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hls.js@latest
!function t(e) {
var r, i;
r = this,
i = function() {
"use strict";
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if (Object.getOwnPropertySymbols) {
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e && (i = i.filter((function(e) {
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var i = null != arguments[e] ? arguments[e] : {};
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s(t, e, i[e])
}
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Object.defineProperty(t, e, Object.getOwnPropertyDescriptor(i, e))
}
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}
return t
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i.enumerable = i.enumerable || !1,
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Object.defineProperty(t, m(i.key), i)
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r && n(t, r),
Object.defineProperty(t, "prototype", {
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value: r,
enumerable: !0,
configurable: !0,
writable: !0
}) : t[e] = r,
t
}
function o() {
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for (var i in r)
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}
return t
}
,
o.apply(this, arguments)
}
function l(t, e) {
t.prototype = Object.create(e.prototype),
t.prototype.constructor = t,
h(t, e)
}
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return t.__proto__ || Object.getPrototypeOf(t)
}
,
u(t)
}
function h(t, e) {
return h = Object.setPrototypeOf ? Object.setPrototypeOf.bind() : function(t, e) {
return t.__proto__ = e,
t
}
,
h(t, e)
}
function d() {
if ("undefined" == typeof Reflect || !Reflect.construct)
return !1;
if (Reflect.construct.sham)
return !1;
if ("function" == typeof Proxy)
return !0;
try {
return Boolean.prototype.valueOf.call(Reflect.construct(Boolean, [], (function() {}
))),
!0
} catch (t) {
return !1
}
}
function c(t, e, r) {
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var i = [null];
i.push.apply(i, e);
var n = new (Function.bind.apply(t, i));
return r && h(n, r.prototype),
n
}
,
c.apply(null, arguments)
}
function f(t) {
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return f = function(t) {
if (null === t || (r = t,
-1 === Function.toString.call(r).indexOf("[native code]")))
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var r;
if ("function" != typeof t)
throw new TypeError("Super expression must either be null or a function");
if (void 0 !== e) {
if (e.has(t))
return e.get(t);
e.set(t, i)
}
function i() {
return c(t, arguments, u(this).constructor)
}
return i.prototype = Object.create(t.prototype, {
constructor: {
value: i,
enumerable: !1,
writable: !0,
configurable: !0
}
}),
h(i, t)
}
,
f(t)
}
function g(t, e) {
(null == e || e > t.length) && (e = t.length);
for (var r = 0, i = new Array(e); r < e; r++)
i[r] = t[r];
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}
function v(t, e) {
var r = "undefined" != typeof Symbol && t[Symbol.iterator] || t["@@iterator"];
if (r)
return (r = r.call(t)).next.bind(r);
if (Array.isArray(t) || (r = function(t, e) {
if (t) {
if ("string" == typeof t)
return g(t, e);
var r = Object.prototype.toString.call(t).slice(8, -1);
return "Object" === r && t.constructor && (r = t.constructor.name),
"Map" === r || "Set" === r ? Array.from(t) : "Arguments" === r || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(r) ? g(t, e) : void 0
}
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r && (t = r);
var i = 0;
return function() {
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done: !0
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value: t[i++]
}
}
}
throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method.")
}
function m(t) {
var e = function(t, e) {
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throw new TypeError("@@toPrimitive must return a primitive value.")
}
return ("string" === e ? String : Number)(t)
}(t, "string");
return "symbol" == typeof e ? e : String(e)
}
function p(t) {
return t && t.__esModule && Object.prototype.hasOwnProperty.call(t, "default") ? t.default : t
}
var y = {
exports: {}
};
!function(t, e) {
var r, i, n, a, s;
r = /^(?=((?:[a-zA-Z0-9+\-.]+:)?))\1(?=((?:\/\/[^\/?#]*)?))\2(?=((?:(?:[^?#\/]*\/)*[^;?#\/]*)?))\3((?:;[^?#]*)?)(\?[^#]*)?(#[^]*)?$/,
i = /^(?=([^\/?#]*))\1([^]*)$/,
n = /(?:\/|^)\.(?=\/)/g,
a = /(?:\/|^)\.\.\/(?!\.\.\/)[^\/]*(?=\/)/g,
s = {
buildAbsoluteURL: function(t, e, r) {
if (r = r || {},
t = t.trim(),
!(e = e.trim())) {
if (!r.alwaysNormalize)
return t;
var n = s.parseURL(t);
if (!n)
throw new Error("Error trying to parse base URL.");
return n.path = s.normalizePath(n.path),
s.buildURLFromParts(n)
}
var a = s.parseURL(e);
if (!a)
throw new Error("Error trying to parse relative URL.");
if (a.scheme)
return r.alwaysNormalize ? (a.path = s.normalizePath(a.path),
s.buildURLFromParts(a)) : e;
var o = s.parseURL(t);
if (!o)
throw new Error("Error trying to parse base URL.");
if (!o.netLoc && o.path && "/" !== o.path[0]) {
var l = i.exec(o.path);
o.netLoc = l[1],
o.path = l[2]
}
o.netLoc && !o.path && (o.path = "/");
var u = {
scheme: o.scheme,
netLoc: a.netLoc,
path: null,
params: a.params,
query: a.query,
fragment: a.fragment
};
if (!a.netLoc && (u.netLoc = o.netLoc,
"/" !== a.path[0]))
if (a.path) {
var h = o.path
, d = h.substring(0, h.lastIndexOf("/") + 1) + a.path;
u.path = s.normalizePath(d)
} else
u.path = o.path,
a.params || (u.params = o.params,
a.query || (u.query = o.query));
return null === u.path && (u.path = r.alwaysNormalize ? s.normalizePath(a.path) : a.path),
s.buildURLFromParts(u)
},
parseURL: function(t) {
var e = r.exec(t);
return e ? {
scheme: e[1] || "",
netLoc: e[2] || "",
path: e[3] || "",
params: e[4] || "",
query: e[5] || "",
fragment: e[6] || ""
} : null
},
normalizePath: function(t) {
for (t = t.split("").reverse().join("").replace(n, ""); t.length !== (t = t.replace(a, "")).length; )
;
return t.split("").reverse().join("")
},
buildURLFromParts: function(t) {
return t.scheme + t.netLoc + t.path + t.params + t.query + t.fragment
}
},
t.exports = s
}(y);
var T = y.exports
, E = Number.isFinite || function(t) {
return "number" == typeof t && isFinite(t)
}
, S = function(t) {
return t.MEDIA_ATTACHING = "hlsMediaAttaching",
t.MEDIA_ATTACHED = "hlsMediaAttached",
t.MEDIA_DETACHING = "hlsMediaDetaching",
t.MEDIA_DETACHED = "hlsMediaDetached",
t.BUFFER_RESET = "hlsBufferReset",
t.BUFFER_CODECS = "hlsBufferCodecs",
t.BUFFER_CREATED = "hlsBufferCreated",
t.BUFFER_APPENDING = "hlsBufferAppending",
t.BUFFER_APPENDED = "hlsBufferAppended",
t.BUFFER_EOS = "hlsBufferEos",
t.BUFFER_FLUSHING = "hlsBufferFlushing",
t.BUFFER_FLUSHED = "hlsBufferFlushed",
t.MANIFEST_LOADING = "hlsManifestLoading",
t.MANIFEST_LOADED = "hlsManifestLoaded",
t.MANIFEST_PARSED = "hlsManifestParsed",
t.LEVEL_SWITCHING = "hlsLevelSwitching",
t.LEVEL_SWITCHED = "hlsLevelSwitched",
t.LEVEL_LOADING = "hlsLevelLoading",
t.LEVEL_LOADED = "hlsLevelLoaded",
t.LEVEL_UPDATED = "hlsLevelUpdated",
t.LEVEL_PTS_UPDATED = "hlsLevelPtsUpdated",
t.LEVELS_UPDATED = "hlsLevelsUpdated",
t.AUDIO_TRACKS_UPDATED = "hlsAudioTracksUpdated",
t.AUDIO_TRACK_SWITCHING = "hlsAudioTrackSwitching",
t.AUDIO_TRACK_SWITCHED = "hlsAudioTrackSwitched",
t.AUDIO_TRACK_LOADING = "hlsAudioTrackLoading",
t.AUDIO_TRACK_LOADED = "hlsAudioTrackLoaded",
t.SUBTITLE_TRACKS_UPDATED = "hlsSubtitleTracksUpdated",
t.SUBTITLE_TRACKS_CLEARED = "hlsSubtitleTracksCleared",
t.SUBTITLE_TRACK_SWITCH = "hlsSubtitleTrackSwitch",
t.SUBTITLE_TRACK_LOADING = "hlsSubtitleTrackLoading",
t.SUBTITLE_TRACK_LOADED = "hlsSubtitleTrackLoaded",
t.SUBTITLE_FRAG_PROCESSED = "hlsSubtitleFragProcessed",
t.CUES_PARSED = "hlsCuesParsed",
t.NON_NATIVE_TEXT_TRACKS_FOUND = "hlsNonNativeTextTracksFound",
t.INIT_PTS_FOUND = "hlsInitPtsFound",
t.FRAG_LOADING = "hlsFragLoading",
t.FRAG_LOAD_EMERGENCY_ABORTED = "hlsFragLoadEmergencyAborted",
t.FRAG_LOADED = "hlsFragLoaded",
t.FRAG_DECRYPTED = "hlsFragDecrypted",
t.FRAG_PARSING_INIT_SEGMENT = "hlsFragParsingInitSegment",
t.FRAG_PARSING_USERDATA = "hlsFragParsingUserdata",
t.FRAG_PARSING_METADATA = "hlsFragParsingMetadata",
t.FRAG_PARSED = "hlsFragParsed",
t.FRAG_BUFFERED = "hlsFragBuffered",
t.FRAG_CHANGED = "hlsFragChanged",
t.FPS_DROP = "hlsFpsDrop",
t.FPS_DROP_LEVEL_CAPPING = "hlsFpsDropLevelCapping",
t.ERROR = "hlsError",
t.DESTROYING = "hlsDestroying",
t.KEY_LOADING = "hlsKeyLoading",
t.KEY_LOADED = "hlsKeyLoaded",
t.LIVE_BACK_BUFFER_REACHED = "hlsLiveBackBufferReached",
t.BACK_BUFFER_REACHED = "hlsBackBufferReached",
t
}({})
, L = function(t) {
return t.NETWORK_ERROR = "networkError",
t.MEDIA_ERROR = "mediaError",
t.KEY_SYSTEM_ERROR = "keySystemError",
t.MUX_ERROR = "muxError",
t.OTHER_ERROR = "otherError",
t
}({})
, R = function(t) {
return t.KEY_SYSTEM_NO_KEYS = "keySystemNoKeys",
t.KEY_SYSTEM_NO_ACCESS = "keySystemNoAccess",
t.KEY_SYSTEM_NO_SESSION = "keySystemNoSession",
t.KEY_SYSTEM_NO_CONFIGURED_LICENSE = "keySystemNoConfiguredLicense",
t.KEY_SYSTEM_LICENSE_REQUEST_FAILED = "keySystemLicenseRequestFailed",
t.KEY_SYSTEM_SERVER_CERTIFICATE_REQUEST_FAILED = "keySystemServerCertificateRequestFailed",
t.KEY_SYSTEM_SERVER_CERTIFICATE_UPDATE_FAILED = "keySystemServerCertificateUpdateFailed",
t.KEY_SYSTEM_SESSION_UPDATE_FAILED = "keySystemSessionUpdateFailed",
t.KEY_SYSTEM_STATUS_OUTPUT_RESTRICTED = "keySystemStatusOutputRestricted",
t.KEY_SYSTEM_STATUS_INTERNAL_ERROR = "keySystemStatusInternalError",
t.MANIFEST_LOAD_ERROR = "manifestLoadError",
t.MANIFEST_LOAD_TIMEOUT = "manifestLoadTimeOut",
t.MANIFEST_PARSING_ERROR = "manifestParsingError",
t.MANIFEST_INCOMPATIBLE_CODECS_ERROR = "manifestIncompatibleCodecsError",
t.LEVEL_EMPTY_ERROR = "levelEmptyError",
t.LEVEL_LOAD_ERROR = "levelLoadError",
t.LEVEL_LOAD_TIMEOUT = "levelLoadTimeOut",
t.LEVEL_PARSING_ERROR = "levelParsingError",
t.LEVEL_SWITCH_ERROR = "levelSwitchError",
t.AUDIO_TRACK_LOAD_ERROR = "audioTrackLoadError",
t.AUDIO_TRACK_LOAD_TIMEOUT = "audioTrackLoadTimeOut",
t.SUBTITLE_LOAD_ERROR = "subtitleTrackLoadError",
t.SUBTITLE_TRACK_LOAD_TIMEOUT = "subtitleTrackLoadTimeOut",
t.FRAG_LOAD_ERROR = "fragLoadError",
t.FRAG_LOAD_TIMEOUT = "fragLoadTimeOut",
t.FRAG_DECRYPT_ERROR = "fragDecryptError",
t.FRAG_PARSING_ERROR = "fragParsingError",
t.FRAG_GAP = "fragGap",
t.REMUX_ALLOC_ERROR = "remuxAllocError",
t.KEY_LOAD_ERROR = "keyLoadError",
t.KEY_LOAD_TIMEOUT = "keyLoadTimeOut",
t.BUFFER_ADD_CODEC_ERROR = "bufferAddCodecError",
t.BUFFER_INCOMPATIBLE_CODECS_ERROR = "bufferIncompatibleCodecsError",
t.BUFFER_APPEND_ERROR = "bufferAppendError",
t.BUFFER_APPENDING_ERROR = "bufferAppendingError",
t.BUFFER_STALLED_ERROR = "bufferStalledError",
t.BUFFER_FULL_ERROR = "bufferFullError",
t.BUFFER_SEEK_OVER_HOLE = "bufferSeekOverHole",
t.BUFFER_NUDGE_ON_STALL = "bufferNudgeOnStall",
t.INTERNAL_EXCEPTION = "internalException",
t.INTERNAL_ABORTED = "aborted",
t.UNKNOWN = "unknown",
t
}({})
, A = function() {}
, k = {
trace: A,
debug: A,
log: A,
warn: A,
info: A,
error: A
}
, b = k;
function D(t) {
var e = self.console[t];
return e ? e.bind(self.console, "[" + t + "] >") : A
}
function I(t, e) {
if (self.console && !0 === t || "object" == typeof t) {
!function(t) {
for (var e = arguments.length, r = new Array(e > 1 ? e - 1 : 0), i = 1; i < e; i++)
r[i - 1] = arguments[i];
r.forEach((function(e) {
b[e] = t[e] ? t[e].bind(t) : D(e)
}
))
}(t, "debug", "log", "info", "warn", "error");
try {
b.log('Debug logs enabled for "' + e + '" in hls.js version 1.4.12')
} catch (t) {
b = k
}
} else
b = k
}
var w = b
, C = /^(\d+)x(\d+)$/
, _ = /(.+?)=(".*?"|.*?)(?:,|$)/g
, P = function() {
function t(e) {
for (var r in "string" == typeof e && (e = t.parseAttrList(e)),
e)
e.hasOwnProperty(r) && ("X-" === r.substring(0, 2) && (this.clientAttrs = this.clientAttrs || [],
this.clientAttrs.push(r)),
this[r] = e[r])
}
var e = t.prototype;
return e.decimalInteger = function(t) {
var e = parseInt(this[t], 10);
return e > Number.MAX_SAFE_INTEGER ? 1 / 0 : e
}
,
e.hexadecimalInteger = function(t) {
if (this[t]) {
var e = (this[t] || "0x").slice(2);
e = (1 & e.length ? "0" : "") + e;
for (var r = new Uint8Array(e.length / 2), i = 0; i < e.length / 2; i++)
r[i] = parseInt(e.slice(2 * i, 2 * i + 2), 16);
return r
}
return null
}
,
e.hexadecimalIntegerAsNumber = function(t) {
var e = parseInt(this[t], 16);
return e > Number.MAX_SAFE_INTEGER ? 1 / 0 : e
}
,
e.decimalFloatingPoint = function(t) {
return parseFloat(this[t])
}
,
e.optionalFloat = function(t, e) {
var r = this[t];
return r ? parseFloat(r) : e
}
,
e.enumeratedString = function(t) {
return this[t]
}
,
e.bool = function(t) {
return "YES" === this[t]
}
,
e.decimalResolution = function(t) {
var e = C.exec(this[t]);
if (null !== e)
return {
width: parseInt(e[1], 10),
height: parseInt(e[2], 10)
}
}
,
t.parseAttrList = function(t) {
var e, r = {};
for (_.lastIndex = 0; null !== (e = _.exec(t)); ) {
var i = e[2];
0 === i.indexOf('"') && i.lastIndexOf('"') === i.length - 1 && (i = i.slice(1, -1)),
r[e[1].trim()] = i
}
return r
}
,
t
}();
function x(t) {
return "SCTE35-OUT" === t || "SCTE35-IN" === t
}
var F = function() {
function t(t, e) {
if (this.attr = void 0,
this._startDate = void 0,
this._endDate = void 0,
this._badValueForSameId = void 0,
e) {
var r = e.attr;
for (var i in r)
if (Object.prototype.hasOwnProperty.call(t, i) && t[i] !== r[i]) {
w.warn('DATERANGE tag attribute: "' + i + '" does not match for tags with ID: "' + t.ID + '"'),
this._badValueForSameId = i;
break
}
t = o(new P({}), r, t)
}
if (this.attr = t,
this._startDate = new Date(t["START-DATE"]),
"END-DATE"in this.attr) {
var n = new Date(this.attr["END-DATE"]);
E(n.getTime()) && (this._endDate = n)
}
}
return a(t, [{
key: "id",
get: function() {
return this.attr.ID
}
}, {
key: "class",
get: function() {
return this.attr.CLASS
}
}, {
key: "startDate",
get: function() {
return this._startDate
}
}, {
key: "endDate",
get: function() {
if (this._endDate)
return this._endDate;
var t = this.duration;
return null !== t ? new Date(this._startDate.getTime() + 1e3 * t) : null
}
}, {
key: "duration",
get: function() {
if ("DURATION"in this.attr) {
var t = this.attr.decimalFloatingPoint("DURATION");
if (E(t))
return t
} else if (this._endDate)
return (this._endDate.getTime() - this._startDate.getTime()) / 1e3;
return null
}
}, {
key: "plannedDuration",
get: function() {
return "PLANNED-DURATION"in this.attr ? this.attr.decimalFloatingPoint("PLANNED-DURATION") : null
}
}, {
key: "endOnNext",
get: function() {
return this.attr.bool("END-ON-NEXT")
}
}, {
key: "isValid",
get: function() {
return !!this.id && !this._badValueForSameId && E(this.startDate.getTime()) && (null === this.duration || this.duration >= 0) && (!this.endOnNext || !!this.class)
}
}]),
t
}()
, M = function() {
this.aborted = !1,
this.loaded = 0,
this.retry = 0,
this.total = 0,
this.chunkCount = 0,
this.bwEstimate = 0,
this.loading = {
start: 0,
first: 0,
end: 0
},
this.parsing = {
start: 0,
end: 0
},
this.buffering = {
start: 0,
first: 0,
end: 0
}
}
, O = "audio"
, N = "video"
, U = "audiovideo"
, B = function() {
function t(t) {
var e;
this._byteRange = null,
this._url = null,
this.baseurl = void 0,
this.relurl = void 0,
this.elementaryStreams = ((e = {})[O] = null,
e[N] = null,
e[U] = null,
e),
this.baseurl = t
}
return t.prototype.setByteRange = function(t, e) {
var r = t.split("@", 2)
, i = [];
1 === r.length ? i[0] = e ? e.byteRangeEndOffset : 0 : i[0] = parseInt(r[1]),
i[1] = parseInt(r[0]) + i[0],
this._byteRange = i
}
,
a(t, [{
key: "byteRange",
get: function() {
return this._byteRange ? this._byteRange : []
}
}, {
key: "byteRangeStartOffset",
get: function() {
return this.byteRange[0]
}
}, {
key: "byteRangeEndOffset",
get: function() {
return this.byteRange[1]
}
}, {
key: "url",
get: function() {
return !this._url && this.baseurl && this.relurl && (this._url = T.buildAbsoluteURL(this.baseurl, this.relurl, {
alwaysNormalize: !0
})),
this._url || ""
},
set: function(t) {
this._url = t
}
}]),
t
}()
, G = function(t) {
function e(e, r) {
var i;
return (i = t.call(this, r) || this)._decryptdata = null,
i.rawProgramDateTime = null,
i.programDateTime = null,
i.tagList = [],
i.duration = 0,
i.sn = 0,
i.levelkeys = void 0,
i.type = void 0,
i.loader = null,
i.keyLoader = null,
i.level = -1,
i.cc = 0,
i.startPTS = void 0,
i.endPTS = void 0,
i.startDTS = void 0,
i.endDTS = void 0,
i.start = 0,
i.deltaPTS = void 0,
i.maxStartPTS = void 0,
i.minEndPTS = void 0,
i.stats = new M,
i.urlId = 0,
i.data = void 0,
i.bitrateTest = !1,
i.title = null,
i.initSegment = null,
i.endList = void 0,
i.gap = void 0,
i.type = e,
i
}
l(e, t);
var r = e.prototype;
return r.setKeyFormat = function(t) {
if (this.levelkeys) {
var e = this.levelkeys[t];
e && !this._decryptdata && (this._decryptdata = e.getDecryptData(this.sn))
}
}
,
r.abortRequests = function() {
var t, e;
null == (t = this.loader) || t.abort(),
null == (e = this.keyLoader) || e.abort()
}
,
r.setElementaryStreamInfo = function(t, e, r, i, n, a) {
void 0 === a && (a = !1);
var s = this.elementaryStreams
, o = s[t];
o ? (o.startPTS = Math.min(o.startPTS, e),
o.endPTS = Math.max(o.endPTS, r),
o.startDTS = Math.min(o.startDTS, i),
o.endDTS = Math.max(o.endDTS, n)) : s[t] = {
startPTS: e,
endPTS: r,
startDTS: i,
endDTS: n,
partial: a
}
}
,
r.clearElementaryStreamInfo = function() {
var t = this.elementaryStreams;
t[O] = null,
t[N] = null,
t[U] = null
}
,
a(e, [{
key: "decryptdata",
get: function() {
if (!this.levelkeys && !this._decryptdata)
return null;
if (!this._decryptdata && this.levelkeys && !this.levelkeys.NONE) {
var t = this.levelkeys.identity;
if (t)
this._decryptdata = t.getDecryptData(this.sn);
else {
var e = Object.keys(this.levelkeys);
if (1 === e.length)
return this._decryptdata = this.levelkeys[e[0]].getDecryptData(this.sn)
}
}
return this._decryptdata
}
}, {
key: "end",
get: function() {
return this.start + this.duration
}
}, {
key: "endProgramDateTime",
get: function() {
if (null === this.programDateTime)
return null;
if (!E(this.programDateTime))
return null;
var t = E(this.duration) ? this.duration : 0;
return this.programDateTime + 1e3 * t
}
}, {
key: "encrypted",
get: function() {
var t;
if (null != (t = this._decryptdata) && t.encrypted)
return !0;
if (this.levelkeys) {
var e = Object.keys(this.levelkeys)
, r = e.length;
if (r > 1 || 1 === r && this.levelkeys[e[0]].encrypted)
return !0
}
return !1
}
}]),
e
}(B)
, K = function(t) {
function e(e, r, i, n, a) {
var s;
(s = t.call(this, i) || this).fragOffset = 0,
s.duration = 0,
s.gap = !1,
s.independent = !1,
s.relurl = void 0,
s.fragment = void 0,
s.index = void 0,
s.stats = new M,
s.duration = e.decimalFloatingPoint("DURATION"),
s.gap = e.bool("GAP"),
s.independent = e.bool("INDEPENDENT"),
s.relurl = e.enumeratedString("URI"),
s.fragment = r,
s.index = n;
var o = e.enumeratedString("BYTERANGE");
return o && s.setByteRange(o, a),
a && (s.fragOffset = a.fragOffset + a.duration),
s
}
return l(e, t),
a(e, [{
key: "start",
get: function() {
return this.fragment.start + this.fragOffset
}
}, {
key: "end",
get: function() {
return this.start + this.duration
}
}, {
key: "loaded",
get: function() {
var t = this.elementaryStreams;
return !!(t.audio || t.video || t.audiovideo)
}
}]),
e
}(B)
, H = function() {
function t(t) {
this.PTSKnown = !1,
this.alignedSliding = !1,
this.averagetargetduration = void 0,
this.endCC = 0,
this.endSN = 0,
this.fragments = void 0,
this.fragmentHint = void 0,
this.partList = null,
this.dateRanges = void 0,
this.live = !0,
this.ageHeader = 0,
this.advancedDateTime = void 0,
this.updated = !0,
this.advanced = !0,
this.availabilityDelay = void 0,
this.misses = 0,
this.startCC = 0,
this.startSN = 0,
this.startTimeOffset = null,
this.targetduration = 0,
this.totalduration = 0,
this.type = null,
this.url = void 0,
this.m3u8 = "",
this.version = null,
this.canBlockReload = !1,
this.canSkipUntil = 0,
this.canSkipDateRanges = !1,
this.skippedSegments = 0,
this.recentlyRemovedDateranges = void 0,
this.partHoldBack = 0,
this.holdBack = 0,
this.partTarget = 0,
this.preloadHint = void 0,
this.renditionReports = void 0,
this.tuneInGoal = 0,
this.deltaUpdateFailed = void 0,
this.driftStartTime = 0,
this.driftEndTime = 0,
this.driftStart = 0,
this.driftEnd = 0,
this.encryptedFragments = void 0,
this.playlistParsingError = null,
this.variableList = null,
this.hasVariableRefs = !1,
this.fragments = [],
this.encryptedFragments = [],
this.dateRanges = {},
this.url = t
}
return t.prototype.reloaded = function(t) {
if (!t)
return this.advanced = !0,
void (this.updated = !0);
var e = this.lastPartSn - t.lastPartSn
, r = this.lastPartIndex - t.lastPartIndex;
this.updated = this.endSN !== t.endSN || !!r || !!e || !this.live,
this.advanced = this.endSN > t.endSN || e > 0 || 0 === e && r > 0,
this.updated || this.advanced ? this.misses = Math.floor(.6 * t.misses) : this.misses = t.misses + 1,
this.availabilityDelay = t.availabilityDelay
}
,
a(t, [{
key: "hasProgramDateTime",
get: function() {
return !!this.fragments.length && E(this.fragments[this.fragments.length - 1].programDateTime)
}
}, {
key: "levelTargetDuration",
get: function() {
return this.averagetargetduration || this.targetduration || 10
}
}, {
key: "drift",
get: function() {
var t = this.driftEndTime - this.driftStartTime;
return t > 0 ? 1e3 * (this.driftEnd - this.driftStart) / t : 1
}
}, {
key: "edge",
get: function() {
return this.partEnd || this.fragmentEnd
}
}, {
key: "partEnd",
get: function() {
var t;
return null != (t = this.partList) && t.length ? this.partList[this.partList.length - 1].end : this.fragmentEnd
}
}, {
key: "fragmentEnd",
get: function() {
var t;
return null != (t = this.fragments) && t.length ? this.fragments[this.fragments.length - 1].end : 0
}
}, {
key: "age",
get: function() {
return this.advancedDateTime ? Math.max(Date.now() - this.advancedDateTime, 0) / 1e3 : 0
}
}, {
key: "lastPartIndex",
get: function() {
var t;
return null != (t = this.partList) && t.length ? this.partList[this.partList.length - 1].index : -1
}
}, {
key: "lastPartSn",
get: function() {
var t;
return null != (t = this.partList) && t.length ? this.partList[this.partList.length - 1].fragment.sn : this.endSN
}
}]),
t
}();
function V(t) {
return Uint8Array.from(atob(t), (function(t) {
return t.charCodeAt(0)
}
))
}
function Y(t) {
var e, r, i = t.split(":"), n = null;
if ("data" === i[0] && 2 === i.length) {
var a = i[1].split(";")
, s = a[a.length - 1].split(",");
if (2 === s.length) {
var o = "base64" === s[0]
, l = s[1];
o ? (a.splice(-1, 1),
n = V(l)) : (e = W(l).subarray(0, 16),
(r = new Uint8Array(16)).set(e, 16 - e.length),
n = r)
}
}
return n
}
function W(t) {
return Uint8Array.from(unescape(encodeURIComponent(t)), (function(t) {
return t.charCodeAt(0)
}
))
}
var j = {
CLEARKEY: "org.w3.clearkey",
FAIRPLAY: "com.apple.fps",
PLAYREADY: "com.microsoft.playready",
WIDEVINE: "com.widevine.alpha"
}
, q = "org.w3.clearkey"
, X = "com.apple.streamingkeydelivery"
, z = "com.microsoft.playready"
, Q = "urn:uuid:edef8ba9-79d6-4ace-a3c8-27dcd51d21ed";
function $(t) {
switch (t) {
case X:
return j.FAIRPLAY;
case z:
return j.PLAYREADY;
case Q:
return j.WIDEVINE;
case q:
return j.CLEARKEY
}
}
var J = "edef8ba979d64acea3c827dcd51d21ed";
function Z(t) {
switch (t) {
case j.FAIRPLAY:
return X;
case j.PLAYREADY:
return z;
case j.WIDEVINE:
return Q;
case j.CLEARKEY:
return q
}
}
function tt(t) {
var e = t.drmSystems
, r = t.widevineLicenseUrl
, i = e ? [j.FAIRPLAY, j.WIDEVINE, j.PLAYREADY, j.CLEARKEY].filter((function(t) {
return !!e[t]
}
)) : [];
return !i[j.WIDEVINE] && r && i.push(j.WIDEVINE),
i
}
var et = "undefined" != typeof self && self.navigator && self.navigator.requestMediaKeySystemAccess ? self.navigator.requestMediaKeySystemAccess.bind(self.navigator) : null;
function rt(t, e, r) {
return Uint8Array.prototype.slice ? t.slice(e, r) : new Uint8Array(Array.prototype.slice.call(t, e, r))
}
var it, nt = function(t, e) {
return e + 10 <= t.length && 73 === t[e] && 68 === t[e + 1] && 51 === t[e + 2] && t[e + 3] < 255 && t[e + 4] < 255 && t[e + 6] < 128 && t[e + 7] < 128 && t[e + 8] < 128 && t[e + 9] < 128
}, at = function(t, e) {
return e + 10 <= t.length && 51 === t[e] && 68 === t[e + 1] && 73 === t[e + 2] && t[e + 3] < 255 && t[e + 4] < 255 && t[e + 6] < 128 && t[e + 7] < 128 && t[e + 8] < 128 && t[e + 9] < 128
}, st = function(t, e) {
for (var r = e, i = 0; nt(t, e); )
i += 10,
i += ot(t, e + 6),
at(t, e + 10) && (i += 10),
e += i;
if (i > 0)
return t.subarray(r, r + i)
}, ot = function(t, e) {
var r = 0;
return r = (127 & t[e]) << 21,
r |= (127 & t[e + 1]) << 14,
r |= (127 & t[e + 2]) << 7,
r |= 127 & t[e + 3]
}, lt = function(t, e) {
return nt(t, e) && ot(t, e + 6) + 10 <= t.length - e
}, ut = function(t) {
return t && "PRIV" === t.key && "com.apple.streaming.transportStreamTimestamp" === t.info
}, ht = function(t) {
var e = String.fromCharCode(t[0], t[1], t[2], t[3])
, r = ot(t, 4);
return {
type: e,
size: r,
data: t.subarray(10, 10 + r)
}
}, dt = function(t) {
for (var e = 0, r = []; nt(t, e); ) {
for (var i = ot(t, e + 6), n = (e += 10) + i; e + 8 < n; ) {
var a = ht(t.subarray(e))
, s = ct(a);
s && r.push(s),
e += a.size + 10
}
at(t, e) && (e += 10)
}
return r
}, ct = function(t) {
return "PRIV" === t.type ? ft(t) : "W" === t.type[0] ? vt(t) : gt(t)
}, ft = function(t) {
if (!(t.size < 2)) {
var e = pt(t.data, !0)
, r = new Uint8Array(t.data.subarray(e.length + 1));
return {
key: t.type,
info: e,
data: r.buffer
}
}
}, gt = function(t) {
if (!(t.size < 2)) {
if ("TXXX" === t.type) {
var e = 1
, r = pt(t.data.subarray(e), !0);
e += r.length + 1;
var i = pt(t.data.subarray(e));
return {
key: t.type,
info: r,
data: i
}
}
var n = pt(t.data.subarray(1));
return {
key: t.type,
data: n
}
}
}, vt = function(t) {
if ("WXXX" === t.type) {
if (t.size < 2)
return;
var e = 1
, r = pt(t.data.subarray(e), !0);
e += r.length + 1;
var i = pt(t.data.subarray(e));
return {
key: t.type,
info: r,
data: i
}
}
var n = pt(t.data);
return {
key: t.type,
data: n
}
}, mt = function(t) {
if (8 === t.data.byteLength) {
var e = new Uint8Array(t.data)
, r = 1 & e[3]
, i = (e[4] << 23) + (e[5] << 15) + (e[6] << 7) + e[7];
return i /= 45,
r && (i += 47721858.84),
Math.round(i)
}
}, pt = function(t, e) {
void 0 === e && (e = !1);
var r = yt();
if (r) {
var i = r.decode(t);
if (e) {
var n = i.indexOf("\0");
return -1 !== n ? i.substring(0, n) : i
}
return i.replace(/\0/g, "")
}
for (var a, s, o, l = t.length, u = "", h = 0; h < l; ) {
if (0 === (a = t[h++]) && e)
return u;
if (0 !== a && 3 !== a)
switch (a >> 4) {
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
u += String.fromCharCode(a);
break;
case 12:
case 13:
s = t[h++],
u += String.fromCharCode((31 & a) << 6 | 63 & s);
break;
case 14:
s = t[h++],
o = t[h++],
u += String.fromCharCode((15 & a) << 12 | (63 & s) << 6 | (63 & o) << 0)
}
}
return u
};
function yt() {
return it || void 0 === self.TextDecoder || (it = new self.TextDecoder("utf-8")),
it
}
var Tt = function(t) {
for (var e = "", r = 0; r < t.length; r++) {
var i = t[r].toString(16);
i.length < 2 && (i = "0" + i),
e += i
}
return e
}
, Et = Math.pow(2, 32) - 1
, St = [].push
, Lt = {
video: 1,
audio: 2,
id3: 3,
text: 4
};
function Rt(t) {
return String.fromCharCode.apply(null, t)
}
function At(t, e) {
var r = t[e] << 8 | t[e + 1];
return r < 0 ? 65536 + r : r
}
function kt(t, e) {
var r = bt(t, e);
return r < 0 ? 4294967296 + r : r
}
function bt(t, e) {
return t[e] << 24 | t[e + 1] << 16 | t[e + 2] << 8 | t[e + 3]
}
function Dt(t, e, r) {
t[e] = r >> 24,
t[e + 1] = r >> 16 & 255,
t[e + 2] = r >> 8 & 255,
t[e + 3] = 255 & r
}
function It(t, e) {
var r = [];
if (!e.length)
return r;
for (var i = t.byteLength, n = 0; n < i; ) {
var a = kt(t, n)
, s = a > 1 ? n + a : i;
if (Rt(t.subarray(n + 4, n + 8)) === e[0])
if (1 === e.length)
r.push(t.subarray(n + 8, s));
else {
var o = It(t.subarray(n + 8, s), e.slice(1));
o.length && St.apply(r, o)
}
n = s
}
return r
}
function wt(t) {
var e = []
, r = t[0]
, i = 8
, n = kt(t, i);
i += 4,
i += 0 === r ? 8 : 16,
i += 2;
var a = t.length + 0
, s = At(t, i);
i += 2;
for (var o = 0; o < s; o++) {
var l = i
, u = kt(t, l);
l += 4;
var h = 2147483647 & u;
if (1 == (2147483648 & u) >>> 31)
return w.warn("SIDX has hierarchical references (not supported)"),
null;
var d = kt(t, l);
l += 4,
e.push({
referenceSize: h,
subsegmentDuration: d,
info: {
duration: d / n,
start: a,
end: a + h - 1
}
}),
a += h,
i = l += 4
}
return {
earliestPresentationTime: 0,
timescale: n,
version: r,
referencesCount: s,
references: e
}
}
function Ct(t) {
for (var e = [], r = It(t, ["moov", "trak"]), i = 0; i < r.length; i++) {
var n = r[i]
, a = It(n, ["tkhd"])[0];
if (a) {
var s = a[0]
, o = 0 === s ? 12 : 20
, l = kt(a, o)
, u = It(n, ["mdia", "mdhd"])[0];
if (u) {
var h = kt(u, o = 0 === (s = u[0]) ? 12 : 20)
, d = It(n, ["mdia", "hdlr"])[0];
if (d) {
var c = Rt(d.subarray(8, 12))
, f = {
soun: O,
vide: N
}[c];
if (f) {
var g = It(n, ["mdia", "minf", "stbl", "stsd"])[0]
, v = void 0;
g && (v = Rt(g.subarray(12, 16))),
e[l] = {
timescale: h,
type: f
},
e[f] = {
timescale: h,
id: l,
codec: v
}
}
}
}
}
}
return It(t, ["moov", "mvex", "trex"]).forEach((function(t) {
var r = kt(t, 4)
, i = e[r];
i && (i.default = {
duration: kt(t, 12),
flags: kt(t, 20)
})
}
)),
e
}
function _t(t) {
var e = It(t, ["schm"])[0];
if (e) {
var r = Rt(e.subarray(4, 8));
if ("cbcs" === r || "cenc" === r)
return It(t, ["schi", "tenc"])[0]
}
return w.error("[eme] missing 'schm' box"),
null
}
function Pt(t) {
var e = kt(t, 0)
, r = 8;
1 & e && (r += 4),
4 & e && (r += 4);
for (var i = 0, n = kt(t, 4), a = 0; a < n; a++)
256 & e && (i += kt(t, r),
r += 4),
512 & e && (r += 4),
1024 & e && (r += 4),
2048 & e && (r += 4);
return i
}
function xt(t, e) {
var r = new Uint8Array(t.length + e.length);
return r.set(t),
r.set(e, t.length),
r
}
function Ft(t, e) {
var r = []
, i = e.samples
, n = e.timescale
, a = e.id
, s = !1;
return It(i, ["moof"]).map((function(o) {
var l = o.byteOffset - 8;
It(o, ["traf"]).map((function(o) {
var u = It(o, ["tfdt"]).map((function(t) {
var e = t[0]
, r = kt(t, 4);
return 1 === e && (r *= Math.pow(2, 32),
r += kt(t, 8)),
r / n
}
))[0];
return void 0 !== u && (t = u),
It(o, ["tfhd"]).map((function(u) {
var h = kt(u, 4)
, d = 16777215 & kt(u, 0)
, c = 0
, f = 0 != (16 & d)
, g = 0
, v = 0 != (32 & d)
, m = 8;
h === a && (0 != (1 & d) && (m += 8),
0 != (2 & d) && (m += 4),
0 != (8 & d) && (c = kt(u, m),
m += 4),
f && (g = kt(u, m),
m += 4),
v && (m += 4),
"video" === e.type && (s = function(t) {
if (!t)
return !1;
var e = t.indexOf(".")
, r = e < 0 ? t : t.substring(0, e);
return "hvc1" === r || "hev1" === r || "dvh1" === r || "dvhe" === r
}(e.codec)),
It(o, ["trun"]).map((function(a) {
var o = a[0]
, u = 16777215 & kt(a, 0)
, h = 0 != (1 & u)
, d = 0
, f = 0 != (4 & u)
, v = 0 != (256 & u)
, m = 0
, p = 0 != (512 & u)
, y = 0
, T = 0 != (1024 & u)
, E = 0 != (2048 & u)
, S = 0
, L = kt(a, 4)
, R = 8;
h && (d = kt(a, R),
R += 4),
f && (R += 4);
for (var A = d + l, k = 0; k < L; k++) {
if (v ? (m = kt(a, R),
R += 4) : m = c,
p ? (y = kt(a, R),
R += 4) : y = g,
T && (R += 4),
E && (S = 0 === o ? kt(a, R) : bt(a, R),
R += 4),
e.type === N)
for (var b = 0; b < y; ) {
var D = kt(i, A);
Mt(s, i[A += 4]) && Ot(i.subarray(A, A + D), s ? 2 : 1, t + S / n, r),
A += D,
b += D + 4
}
t += m / n
}
}
)))
}
))
}
))
}
)),
r
}
function Mt(t, e) {
if (t) {
var r = e >> 1 & 63;
return 39 === r || 40 === r
}
return 6 == (31 & e)
}
function Ot(t, e, r, i) {
var n = Nt(t)
, a = 0;
a += e;
for (var s = 0, o = 0, l = !1, u = 0; a < n.length; ) {
s = 0;
do {
if (a >= n.length)
break;
s += u = n[a++]
} while (255 === u);
o = 0;
do {
if (a >= n.length)
break;
o += u = n[a++]
} while (255 === u);
var h = n.length - a;
if (!l && 4 === s && a < n.length) {
if (l = !0,
181 === n[a++]) {
var d = At(n, a);
if (a += 2,
49 === d) {
var c = kt(n, a);
if (a += 4,
1195456820 === c) {
var f = n[a++];
if (3 === f) {
var g = n[a++]
, v = 64 & g
, m = v ? 2 + 3 * (31 & g) : 0
, p = new Uint8Array(m);
if (v) {
p[0] = g;
for (var y = 1; y < m; y++)
p[y] = n[a++]
}
i.push({
type: f,
payloadType: s,
pts: r,
bytes: p
})
}
}
}
}
} else if (5 === s && o < h) {
if (l = !0,
o > 16) {
for (var T = [], E = 0; E < 16; E++) {
var S = n[a++].toString(16);
T.push(1 == S.length ? "0" + S : S),
3 !== E && 5 !== E && 7 !== E && 9 !== E || T.push("-")
}
for (var L = o - 16, R = new Uint8Array(L), A = 0; A < L; A++)
R[A] = n[a++];
i.push({
payloadType: s,
pts: r,
uuid: T.join(""),
userData: pt(R),
userDataBytes: R
})
}
} else if (o < h)
a += o;
else if (o > h)
break
}
}
function Nt(t) {
for (var e = t.byteLength, r = [], i = 1; i < e - 2; )
0 === t[i] && 0 === t[i + 1] && 3 === t[i + 2] ? (r.push(i + 2),
i += 2) : i++;
if (0 === r.length)
return t;
var n = e - r.length
, a = new Uint8Array(n)
, s = 0;
for (i = 0; i < n; s++,
i++)
s === r[0] && (s++,
r.shift()),
a[i] = t[s];
return a
}
function Ut(t, e, r) {
if (16 !== t.byteLength)
throw new RangeError("Invalid system id");
var i, n, a;
if (e) {
i = 1,
n = new Uint8Array(16 * e.length);
for (var s = 0; s < e.length; s++) {
var o = e[s];
if (16 !== o.byteLength)
throw new RangeError("Invalid key");
n.set(o, 16 * s)
}
} else
i = 0,
n = new Uint8Array;
i > 0 ? (a = new Uint8Array(4),
e.length > 0 && new DataView(a.buffer).setUint32(0, e.length, !1)) : a = new Uint8Array;
var l = new Uint8Array(4);
return r && r.byteLength > 0 && new DataView(l.buffer).setUint32(0, r.byteLength, !1),
function(t) {
for (var e = arguments.length, r = new Array(e > 1 ? e - 1 : 0), i = 1; i < e; i++)
r[i - 1] = arguments[i];
for (var n = r.length, a = 8, s = n; s--; )
a += r[s].byteLength;
var o = new Uint8Array(a);
for (o[0] = a >> 24 & 255,
o[1] = a >> 16 & 255,
o[2] = a >> 8 & 255,
o[3] = 255 & a,
o.set(t, 4),
s = 0,
a = 8; s < n; s++)
o.set(r[s], a),
a += r[s].byteLength;
return o
}([112, 115, 115, 104], new Uint8Array([i, 0, 0, 0]), t, a, n, l, r || new Uint8Array)
}
var Bt = {}
, Gt = function() {
function t(t, e, r, i, n) {
void 0 === i && (i = [1]),
void 0 === n && (n = null),
this.uri = void 0,
this.method = void 0,
this.keyFormat = void 0,
this.keyFormatVersions = void 0,
this.encrypted = void 0,
this.isCommonEncryption = void 0,
this.iv = null,
this.key = null,
this.keyId = null,
this.pssh = null,
this.method = t,
this.uri = e,
this.keyFormat = r,
this.keyFormatVersions = i,
this.iv = n,
this.encrypted = !!t && "NONE" !== t,
this.isCommonEncryption = this.encrypted && "AES-128" !== t
}
t.clearKeyUriToKeyIdMap = function() {
Bt = {}
}
;
var e = t.prototype;
return e.isSupported = function() {
if (this.method) {
if ("AES-128" === this.method || "NONE" === this.method)
return !0;
if ("identity" === this.keyFormat)
return "SAMPLE-AES" === this.method;
switch (this.keyFormat) {
case X:
case Q:
case z:
case q:
return -1 !== ["ISO-23001-7", "SAMPLE-AES", "SAMPLE-AES-CENC", "SAMPLE-AES-CTR"].indexOf(this.method)
}
}
return !1
}
,
e.getDecryptData = function(e) {
if (!this.encrypted || !this.uri)
return null;
if ("AES-128" === this.method && this.uri && !this.iv) {
"number" != typeof e && ("AES-128" !== this.method || this.iv || w.warn('missing IV for initialization segment with method="' + this.method + '" - compliance issue'),
e = 0);
var r = function(t) {
for (var e = new Uint8Array(16), r = 12; r < 16; r++)
e[r] = t >> 8 * (15 - r) & 255;
return e
}(e);
return new t(this.method,this.uri,"identity",this.keyFormatVersions,r)
}
var i = Y(this.uri);
if (i)
switch (this.keyFormat) {
case Q:
this.pssh = i,
i.length >= 22 && (this.keyId = i.subarray(i.length - 22, i.length - 6));
break;
case z:
var n = new Uint8Array([154, 4, 240, 121, 152, 64, 66, 134, 171, 146, 230, 91, 224, 136, 95, 149]);
this.pssh = Ut(n, null, i);
var a = new Uint16Array(i.buffer,i.byteOffset,i.byteLength / 2)
, s = String.fromCharCode.apply(null, Array.from(a))
, o = s.substring(s.indexOf("<"), s.length)
, l = (new DOMParser).parseFromString(o, "text/xml").getElementsByTagName("KID")[0];
if (l) {
var u = l.childNodes[0] ? l.childNodes[0].nodeValue : l.getAttribute("VALUE");
if (u) {
var h = V(u).subarray(0, 16);
!function(t) {
var e = function(t, e, r) {
var i = t[e];
t[e] = t[r],
t[r] = i
};
e(t, 0, 3),
e(t, 1, 2),
e(t, 4, 5),
e(t, 6, 7)
}(h),
this.keyId = h
}
}
break;
default:
var d = i.subarray(0, 16);
if (16 !== d.length) {
var c = new Uint8Array(16);
c.set(d, 16 - d.length),
d = c
}
this.keyId = d
}
if (!this.keyId || 16 !== this.keyId.byteLength) {
var f = Bt[this.uri];
if (!f) {
var g = Object.keys(Bt).length % Number.MAX_SAFE_INTEGER;
f = new Uint8Array(16),
new DataView(f.buffer,12,4).setUint32(0, g),
Bt[this.uri] = f
}
this.keyId = f
}
return this
}
,
t
}()
, Kt = /\{\$([a-zA-Z0-9-_]+)\}/g;
function Ht(t) {
return Kt.test(t)
}
function Vt(t, e, r) {
if (null !== t.variableList || t.hasVariableRefs)
for (var i = r.length; i--; ) {
var n = r[i]
, a = e[n];
a && (e[n] = Yt(t, a))
}
}
function Yt(t, e) {
if (null !== t.variableList || t.hasVariableRefs) {
var r = t.variableList;
return e.replace(Kt, (function(e) {
var i = e.substring(2, e.length - 1)
, n = null == r ? void 0 : r[i];
return void 0 === n ? (t.playlistParsingError || (t.playlistParsingError = new Error('Missing preceding EXT-X-DEFINE tag for Variable Reference: "' + i + '"')),
e) : n
}
))
}
return e
}
function Wt(t, e, r) {
var i, n, a = t.variableList;
if (a || (t.variableList = a = {}),
"QUERYPARAM"in e) {
i = e.QUERYPARAM;
try {
var s = new self.URL(r).searchParams;
if (!s.has(i))
throw new Error('"' + i + '" does not match any query parameter in URI: "' + r + '"');
n = s.get(i)
} catch (e) {
t.playlistParsingError || (t.playlistParsingError = new Error("EXT-X-DEFINE QUERYPARAM: " + e.message))
}
} else
i = e.NAME,
n = e.VALUE;
i in a ? t.playlistParsingError || (t.playlistParsingError = new Error('EXT-X-DEFINE duplicate Variable Name declarations: "' + i + '"')) : a[i] = n || ""
}
function jt(t, e, r) {
var i = e.IMPORT;
if (r && i in r) {
var n = t.variableList;
n || (t.variableList = n = {}),
n[i] = r[i]
} else
t.playlistParsingError || (t.playlistParsingError = new Error('EXT-X-DEFINE IMPORT attribute not found in Multivariant Playlist: "' + i + '"'))
}
function qt() {
if ("undefined" != typeof self)
return self.MediaSource || self.WebKitMediaSource
}
var Xt = {
audio: {
a3ds: !0,
"ac-3": !0,
"ac-4": !0,
alac: !0,
alaw: !0,
dra1: !0,
"dts+": !0,
"dts-": !0,
dtsc: !0,
dtse: !0,
dtsh: !0,
"ec-3": !0,
enca: !0,
g719: !0,
g726: !0,
m4ae: !0,
mha1: !0,
mha2: !0,
mhm1: !0,
mhm2: !0,
mlpa: !0,
mp4a: !0,
"raw ": !0,
Opus: !0,
opus: !0,
samr: !0,
sawb: !0,
sawp: !0,
sevc: !0,
sqcp: !0,
ssmv: !0,
twos: !0,
ulaw: !0
},
video: {
avc1: !0,
avc2: !0,
avc3: !0,
avc4: !0,
avcp: !0,
av01: !0,
drac: !0,
dva1: !0,
dvav: !0,
dvh1: !0,
dvhe: !0,
encv: !0,
hev1: !0,
hvc1: !0,
mjp2: !0,
mp4v: !0,
mvc1: !0,
mvc2: !0,
mvc3: !0,
mvc4: !0,
resv: !0,
rv60: !0,
s263: !0,
svc1: !0,
svc2: !0,
"vc-1": !0,
vp08: !0,
vp09: !0
},
text: {
stpp: !0,
wvtt: !0
}
}
, zt = qt();
function Qt(t, e) {
var r;
return null != (r = null == zt ? void 0 : zt.isTypeSupported((e || "video") + '/mp4;codecs="' + t + '"')) && r
}
var $t = /#EXT-X-STREAM-INF:([^\r\n]*)(?:[\r\n](?:#[^\r\n]*)?)*([^\r\n]+)|#EXT-X-(SESSION-DATA|SESSION-KEY|DEFINE|CONTENT-STEERING|START):([^\r\n]*)[\r\n]+/g
, Jt = /#EXT-X-MEDIA:(.*)/g
, Zt = /^#EXT(?:INF|-X-TARGETDURATION):/m
, te = new RegExp([/#EXTINF:\s*(\d*(?:\.\d+)?)(?:,(.*)\s+)?/.source, /(?!#) *(\S[\S ]*)/.source, /#EXT-X-BYTERANGE:*(.+)/.source, /#EXT-X-PROGRAM-DATE-TIME:(.+)/.source, /#.*/.source].join("|"),"g")
, ee = new RegExp([/#(EXTM3U)/.source, /#EXT-X-(DATERANGE|DEFINE|KEY|MAP|PART|PART-INF|PLAYLIST-TYPE|PRELOAD-HINT|RENDITION-REPORT|SERVER-CONTROL|SKIP|START):(.+)/.source, /#EXT-X-(BITRATE|DISCONTINUITY-SEQUENCE|MEDIA-SEQUENCE|TARGETDURATION|VERSION): *(\d+)/.source, /#EXT-X-(DISCONTINUITY|ENDLIST|GAP)/.source, /(#)([^:]*):(.*)/.source, /(#)(.*)(?:.*)\r?\n?/.source].join("|"))
, re = function() {
function t() {}
return t.findGroup = function(t, e) {
for (var r = 0; r < t.length; r++) {
var i = t[r];
if (i.id === e)
return i
}
}
,
t.convertAVC1ToAVCOTI = function(t) {
var e = t.split(".");
if (e.length > 2) {
var r = e.shift() + ".";
return r += parseInt(e.shift()).toString(16),
r += ("000" + parseInt(e.shift()).toString(16)).slice(-4)
}
return t
}
,
t.resolve = function(t, e) {
return T.buildAbsoluteURL(e, t, {
alwaysNormalize: !0
})
}
,
t.isMediaPlaylist = function(t) {
return Zt.test(t)
}
,
t.parseMasterPlaylist = function(e, r) {
var i, n = {
contentSteering: null,
levels: [],
playlistParsingError: null,
sessionData: null,
sessionKeys: null,
startTimeOffset: null,
variableList: null,
hasVariableRefs: Ht(e)
}, a = [];
for ($t.lastIndex = 0; null != (i = $t.exec(e)); )
if (i[1]) {
var s, o = new P(i[1]);
Vt(n, o, ["CODECS", "SUPPLEMENTAL-CODECS", "ALLOWED-CPC", "PATHWAY-ID", "STABLE-VARIANT-ID", "AUDIO", "VIDEO", "SUBTITLES", "CLOSED-CAPTIONS", "NAME"]);
var l = Yt(n, i[2])
, u = {
attrs: o,
bitrate: o.decimalInteger("AVERAGE-BANDWIDTH") || o.decimalInteger("BANDWIDTH"),
name: o.NAME,
url: t.resolve(l, r)
}
, h = o.decimalResolution("RESOLUTION");
h && (u.width = h.width,
u.height = h.height),
ae((o.CODECS || "").split(/[ ,]+/).filter((function(t) {
return t
}
)), u),
u.videoCodec && -1 !== u.videoCodec.indexOf("avc1") && (u.videoCodec = t.convertAVC1ToAVCOTI(u.videoCodec)),
null != (s = u.unknownCodecs) && s.length || a.push(u),
n.levels.push(u)
} else if (i[3]) {
var d = i[3]
, c = i[4];
switch (d) {
case "SESSION-DATA":
var f = new P(c);
Vt(n, f, ["DATA-ID", "LANGUAGE", "VALUE", "URI"]);
var g = f["DATA-ID"];
g && (null === n.sessionData && (n.sessionData = {}),
n.sessionData[g] = f);
break;
case "SESSION-KEY":
var v = ie(c, r, n);
v.encrypted && v.isSupported() ? (null === n.sessionKeys && (n.sessionKeys = []),
n.sessionKeys.push(v)) : w.warn('[Keys] Ignoring invalid EXT-X-SESSION-KEY tag: "' + c + '"');
break;
case "DEFINE":
var m = new P(c);
Vt(n, m, ["NAME", "VALUE", "QUERYPARAM"]),
Wt(n, m, r);
break;
case "CONTENT-STEERING":
var p = new P(c);
Vt(n, p, ["SERVER-URI", "PATHWAY-ID"]),
n.contentSteering = {
uri: t.resolve(p["SERVER-URI"], r),
pathwayId: p["PATHWAY-ID"] || "."
};
break;
case "START":
n.startTimeOffset = ne(c)
}
}
var y = a.length > 0 && a.length < n.levels.length;
return n.levels = y ? a : n.levels,
0 === n.levels.length && (n.playlistParsingError = new Error("no levels found in manifest")),
n
}
,
t.parseMasterPlaylistMedia = function(e, r, i) {
var n, a = {}, s = i.levels, o = {
AUDIO: s.map((function(t) {
return {
id: t.attrs.AUDIO,
audioCodec: t.audioCodec
}
}
)),
SUBTITLES: s.map((function(t) {
return {
id: t.attrs.SUBTITLES,
textCodec: t.textCodec
}
}
)),
"CLOSED-CAPTIONS": []
}, l = 0;
for (Jt.lastIndex = 0; null !== (n = Jt.exec(e)); ) {
var u = new P(n[1])
, h = u.TYPE;
if (h) {
var d = o[h]
, c = a[h] || [];
a[h] = c,
Vt(i, u, ["URI", "GROUP-ID", "LANGUAGE", "ASSOC-LANGUAGE", "STABLE-RENDITION-ID", "NAME", "INSTREAM-ID", "CHARACTERISTICS", "CHANNELS"]);
var f = {
attrs: u,
bitrate: 0,
id: l++,
groupId: u["GROUP-ID"] || "",
instreamId: u["INSTREAM-ID"],
name: u.NAME || u.LANGUAGE || "",
type: h,
default: u.bool("DEFAULT"),
autoselect: u.bool("AUTOSELECT"),
forced: u.bool("FORCED"),
lang: u.LANGUAGE,
url: u.URI ? t.resolve(u.URI, r) : ""
};
if (null != d && d.length) {
var g = t.findGroup(d, f.groupId) || d[0];
se(f, g, "audioCodec"),
se(f, g, "textCodec")
}
c.push(f)
}
}
return a
}
,
t.parseLevelPlaylist = function(t, e, r, i, n, a) {
var s, l, u, h = new H(e), d = h.fragments, c = null, f = 0, g = 0, v = 0, m = 0, p = null, y = new G(i,e), T = -1, S = !1;
for (te.lastIndex = 0,
h.m3u8 = t,
h.hasVariableRefs = Ht(t); null !== (s = te.exec(t)); ) {
S && (S = !1,
(y = new G(i,e)).start = v,
y.sn = f,
y.cc = m,
y.level = r,
c && (y.initSegment = c,
y.rawProgramDateTime = c.rawProgramDateTime,
c.rawProgramDateTime = null));
var L = s[1];
if (L) {
y.duration = parseFloat(L);
var R = (" " + s[2]).slice(1);
y.title = R || null,
y.tagList.push(R ? ["INF", L, R] : ["INF", L])
} else if (s[3]) {
if (E(y.duration)) {
y.start = v,
u && ue(y, u, h),
y.sn = f,
y.level = r,
y.cc = m,
y.urlId = n,
d.push(y);
var A = (" " + s[3]).slice(1);
y.relurl = Yt(h, A),
oe(y, p),
p = y,
v += y.duration,
f++,
g = 0,
S = !0
}
} else if (s[4]) {
var k = (" " + s[4]).slice(1);
p ? y.setByteRange(k, p) : y.setByteRange(k)
} else if (s[5])
y.rawProgramDateTime = (" " + s[5]).slice(1),
y.tagList.push(["PROGRAM-DATE-TIME", y.rawProgramDateTime]),
-1 === T && (T = d.length);
else {
if (!(s = s[0].match(ee))) {
w.warn("No matches on slow regex match for level playlist!");
continue
}
for (l = 1; l < s.length && void 0 === s[l]; l++)
;
var b = (" " + s[l]).slice(1)
, D = (" " + s[l + 1]).slice(1)
, I = s[l + 2] ? (" " + s[l + 2]).slice(1) : "";
switch (b) {
case "PLAYLIST-TYPE":
h.type = D.toUpperCase();
break;
case "MEDIA-SEQUENCE":
f = h.startSN = parseInt(D);
break;
case "SKIP":
var C = new P(D);
Vt(h, C, ["RECENTLY-REMOVED-DATERANGES"]);
var _ = C.decimalInteger("SKIPPED-SEGMENTS");
if (E(_)) {
h.skippedSegments = _;
for (var x = _; x--; )
d.unshift(null);
f += _
}
var M = C.enumeratedString("RECENTLY-REMOVED-DATERANGES");
M && (h.recentlyRemovedDateranges = M.split("\t"));
break;
case "TARGETDURATION":
h.targetduration = Math.max(parseInt(D), 1);
break;
case "VERSION":
h.version = parseInt(D);
break;
case "EXTM3U":
break;
case "ENDLIST":
h.live = !1;
break;
case "#":
(D || I) && y.tagList.push(I ? [D, I] : [D]);
break;
case "DISCONTINUITY":
m++,
y.tagList.push(["DIS"]);
break;
case "GAP":
y.gap = !0,
y.tagList.push([b]);
break;
case "BITRATE":
y.tagList.push([b, D]);
break;
case "DATERANGE":
var O = new P(D);
Vt(h, O, ["ID", "CLASS", "START-DATE", "END-DATE", "SCTE35-CMD", "SCTE35-OUT", "SCTE35-IN"]),
Vt(h, O, O.clientAttrs);
var N = new F(O,h.dateRanges[O.ID]);
N.isValid || h.skippedSegments ? h.dateRanges[N.id] = N : w.warn('Ignoring invalid DATERANGE tag: "' + D + '"'),
y.tagList.push(["EXT-X-DATERANGE", D]);
break;
case "DEFINE":
var U = new P(D);
Vt(h, U, ["NAME", "VALUE", "IMPORT", "QUERYPARAM"]),
"IMPORT"in U ? jt(h, U, a) : Wt(h, U, e);
break;
case "DISCONTINUITY-SEQUENCE":
m = parseInt(D);
break;
case "KEY":
var B = ie(D, e, h);
if (B.isSupported()) {
if ("NONE" === B.method) {
u = void 0;
break
}
u || (u = {}),
u[B.keyFormat] && (u = o({}, u)),
u[B.keyFormat] = B
} else
w.warn('[Keys] Ignoring invalid EXT-X-KEY tag: "' + D + '"');
break;
case "START":
h.startTimeOffset = ne(D);
break;
case "MAP":
var V = new P(D);
if (Vt(h, V, ["BYTERANGE", "URI"]),
y.duration) {
var Y = new G(i,e);
le(Y, V, r, u),
c = Y,
y.initSegment = c,
c.rawProgramDateTime && !y.rawProgramDateTime && (y.rawProgramDateTime = c.rawProgramDateTime)
} else
le(y, V, r, u),
c = y,
S = !0;
break;
case "SERVER-CONTROL":
var W = new P(D);
h.canBlockReload = W.bool("CAN-BLOCK-RELOAD"),
h.canSkipUntil = W.optionalFloat("CAN-SKIP-UNTIL", 0),
h.canSkipDateRanges = h.canSkipUntil > 0 && W.bool("CAN-SKIP-DATERANGES"),
h.partHoldBack = W.optionalFloat("PART-HOLD-BACK", 0),
h.holdBack = W.optionalFloat("HOLD-BACK", 0);
break;
case "PART-INF":
var j = new P(D);
h.partTarget = j.decimalFloatingPoint("PART-TARGET");
break;
case "PART":
var q = h.partList;
q || (q = h.partList = []);
var X = g > 0 ? q[q.length - 1] : void 0
, z = g++
, Q = new P(D);
Vt(h, Q, ["BYTERANGE", "URI"]);
var $ = new K(Q,y,e,z,X);
q.push($),
y.duration += $.duration;
break;
case "PRELOAD-HINT":
var J = new P(D);
Vt(h, J, ["URI"]),
h.preloadHint = J;
break;
case "RENDITION-REPORT":
var Z = new P(D);
Vt(h, Z, ["URI"]),
h.renditionReports = h.renditionReports || [],
h.renditionReports.push(Z);
break;
default:
w.warn("line parsed but not handled: " + s)
}
}
}
p && !p.relurl ? (d.pop(),
v -= p.duration,
h.partList && (h.fragmentHint = p)) : h.partList && (oe(y, p),
y.cc = m,
h.fragmentHint = y,
u && ue(y, u, h));
var tt = d.length
, et = d[0]
, rt = d[tt - 1];
if ((v += h.skippedSegments * h.targetduration) > 0 && tt && rt) {
h.averagetargetduration = v / tt;
var it = rt.sn;
h.endSN = "initSegment" !== it ? it : 0,
h.live || (rt.endList = !0),
et && (h.startCC = et.cc)
} else
h.endSN = 0,
h.startCC = 0;
return h.fragmentHint && (v += h.fragmentHint.duration),
h.totalduration = v,
h.endCC = m,
T > 0 && function(t, e) {
for (var r = t[e], i = e; i--; ) {
var n = t[i];
if (!n)
return;
n.programDateTime = r.programDateTime - 1e3 * n.duration,
r = n
}
}(d, T),
h
}
,
t
}();
function ie(t, e, r) {
var i, n, a = new P(t);
Vt(r, a, ["KEYFORMAT", "KEYFORMATVERSIONS", "URI", "IV", "URI"]);
var s = null != (i = a.METHOD) ? i : ""
, o = a.URI
, l = a.hexadecimalInteger("IV")
, u = a.KEYFORMATVERSIONS
, h = null != (n = a.KEYFORMAT) ? n : "identity";
o && a.IV && !l && w.error("Invalid IV: " + a.IV);
var d = o ? re.resolve(o, e) : ""
, c = (u || "1").split("/").map(Number).filter(Number.isFinite);
return new Gt(s,d,h,c,l)
}
function ne(t) {
var e = new P(t).decimalFloatingPoint("TIME-OFFSET");
return E(e) ? e : null
}
function ae(t, e) {
["video", "audio", "text"].forEach((function(r) {
var i = t.filter((function(t) {
return function(t, e) {
var r = Xt[e];
return !!r && !0 === r[t.slice(0, 4)]
}(t, r)
}
));
if (i.length) {
var n = i.filter((function(t) {
return 0 === t.lastIndexOf("avc1", 0) || 0 === t.lastIndexOf("mp4a", 0)
}
));
e[r + "Codec"] = n.length > 0 ? n[0] : i[0],
t = t.filter((function(t) {
return -1 === i.indexOf(t)
}
))
}
}
)),
e.unknownCodecs = t
}
function se(t, e, r) {
var i = e[r];
i && (t[r] = i)
}
function oe(t, e) {
t.rawProgramDateTime ? t.programDateTime = Date.parse(t.rawProgramDateTime) : null != e && e.programDateTime && (t.programDateTime = e.endProgramDateTime),
E(t.programDateTime) || (t.programDateTime = null,
t.rawProgramDateTime = null)
}
function le(t, e, r, i) {
t.relurl = e.URI,
e.BYTERANGE && t.setByteRange(e.BYTERANGE),
t.level = r,
t.sn = "initSegment",
i && (t.levelkeys = i),
t.initSegment = null
}
function ue(t, e, r) {
t.levelkeys = e;
var i = r.encryptedFragments;
i.length && i[i.length - 1].levelkeys === e || !Object.keys(e).some((function(t) {
return e[t].isCommonEncryption
}
)) || i.push(t)
}
var he = "manifest"
, de = "level"
, ce = "audioTrack"
, fe = "subtitleTrack"
, ge = "main"
, ve = "audio"
, me = "subtitle";
function pe(t) {
switch (t.type) {
case ce:
return ve;
case fe:
return me;
default:
return ge
}
}
function ye(t, e) {
var r = t.url;
return void 0 !== r && 0 !== r.indexOf("data:") || (r = e.url),
r
}
var Te = function() {
function t(t) {
this.hls = void 0,
this.loaders = Object.create(null),
this.variableList = null,
this.hls = t,
this.registerListeners()
}
var e = t.prototype;
return e.startLoad = function(t) {}
,
e.stopLoad = function() {
this.destroyInternalLoaders()
}
,
e.registerListeners = function() {
var t = this.hls;
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.LEVEL_LOADING, this.onLevelLoading, this),
t.on(S.AUDIO_TRACK_LOADING, this.onAudioTrackLoading, this),
t.on(S.SUBTITLE_TRACK_LOADING, this.onSubtitleTrackLoading, this)
}
,
e.unregisterListeners = function() {
var t = this.hls;
t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.LEVEL_LOADING, this.onLevelLoading, this),
t.off(S.AUDIO_TRACK_LOADING, this.onAudioTrackLoading, this),
t.off(S.SUBTITLE_TRACK_LOADING, this.onSubtitleTrackLoading, this)
}
,
e.createInternalLoader = function(t) {
var e = this.hls.config
, r = e.pLoader
, i = e.loader
, n = new (r || i)(e);
return this.loaders[t.type] = n,
n
}
,
e.getInternalLoader = function(t) {
return this.loaders[t.type]
}
,
e.resetInternalLoader = function(t) {
this.loaders[t] && delete this.loaders[t]
}
,
e.destroyInternalLoaders = function() {
for (var t in this.loaders) {
var e = this.loaders[t];
e && e.destroy(),
this.resetInternalLoader(t)
}
}
,
e.destroy = function() {
this.variableList = null,
this.unregisterListeners(),
this.destroyInternalLoaders()
}
,
e.onManifestLoading = function(t, e) {
var r = e.url;
this.variableList = null,
this.load({
id: null,
level: 0,
responseType: "text",
type: he,
url: r,
deliveryDirectives: null
})
}
,
e.onLevelLoading = function(t, e) {
var r = e.id
, i = e.level
, n = e.url
, a = e.deliveryDirectives;
this.load({
id: r,
level: i,
responseType: "text",
type: de,
url: n,
deliveryDirectives: a
})
}
,
e.onAudioTrackLoading = function(t, e) {
var r = e.id
, i = e.groupId
, n = e.url
, a = e.deliveryDirectives;
this.load({
id: r,
groupId: i,
level: null,
responseType: "text",
type: ce,
url: n,
deliveryDirectives: a
})
}
,
e.onSubtitleTrackLoading = function(t, e) {
var r = e.id
, i = e.groupId
, n = e.url
, a = e.deliveryDirectives;
this.load({
id: r,
groupId: i,
level: null,
responseType: "text",
type: fe,
url: n,
deliveryDirectives: a
})
}
,
e.load = function(t) {
var e, r, i, n = this, a = this.hls.config, s = this.getInternalLoader(t);
if (s) {
var l = s.context;
if (l && l.url === t.url)
return void w.trace("[playlist-loader]: playlist request ongoing");
w.log("[playlist-loader]: aborting previous loader for type: " + t.type),
s.abort()
}
if (r = t.type === he ? a.manifestLoadPolicy.default : o({}, a.playlistLoadPolicy.default, {
timeoutRetry: null,
errorRetry: null
}),
s = this.createInternalLoader(t),
null != (e = t.deliveryDirectives) && e.part && (t.type === de && null !== t.level ? i = this.hls.levels[t.level].details : t.type === ce && null !== t.id ? i = this.hls.audioTracks[t.id].details : t.type === fe && null !== t.id && (i = this.hls.subtitleTracks[t.id].details),
i)) {
var u = i.partTarget
, h = i.targetduration;
if (u && h) {
var d = 1e3 * Math.max(3 * u, .8 * h);
r = o({}, r, {
maxTimeToFirstByteMs: Math.min(d, r.maxTimeToFirstByteMs),
maxLoadTimeMs: Math.min(d, r.maxTimeToFirstByteMs)
})
}
}
var c = r.errorRetry || r.timeoutRetry || {}
, f = {
loadPolicy: r,
timeout: r.maxLoadTimeMs,
maxRetry: c.maxNumRetry || 0,
retryDelay: c.retryDelayMs || 0,
maxRetryDelay: c.maxRetryDelayMs || 0
}
, g = {
onSuccess: function(t, e, r, i) {
var a = n.getInternalLoader(r);
n.resetInternalLoader(r.type);
var s = t.data;
0 === s.indexOf("#EXTM3U") ? (e.parsing.start = performance.now(),
re.isMediaPlaylist(s) ? n.handleTrackOrLevelPlaylist(t, e, r, i || null, a) : n.handleMasterPlaylist(t, e, r, i)) : n.handleManifestParsingError(t, r, new Error("no EXTM3U delimiter"), i || null, e)
},
onError: function(t, e, r, i) {
n.handleNetworkError(e, r, !1, t, i)
},
onTimeout: function(t, e, r) {
n.handleNetworkError(e, r, !0, void 0, t)
}
};
s.load(t, f, g)
}
,
e.handleMasterPlaylist = function(t, e, r, i) {
var n = this.hls
, a = t.data
, s = ye(t, r)
, o = re.parseMasterPlaylist(a, s);
if (o.playlistParsingError)
this.handleManifestParsingError(t, r, o.playlistParsingError, i, e);
else {
var l = o.contentSteering
, u = o.levels
, h = o.sessionData
, d = o.sessionKeys
, c = o.startTimeOffset
, f = o.variableList;
this.variableList = f;
var g = re.parseMasterPlaylistMedia(a, s, o)
, v = g.AUDIO
, m = void 0 === v ? [] : v
, p = g.SUBTITLES
, y = g["CLOSED-CAPTIONS"];
m.length && (m.some((function(t) {
return !t.url
}
)) || !u[0].audioCodec || u[0].attrs.AUDIO || (w.log("[playlist-loader]: audio codec signaled in quality level, but no embedded audio track signaled, create one"),
m.unshift({
type: "main",
name: "main",
groupId: "main",
default: !1,
autoselect: !1,
forced: !1,
id: -1,
attrs: new P({}),
bitrate: 0,
url: ""
}))),
n.trigger(S.MANIFEST_LOADED, {
levels: u,
audioTracks: m,
subtitles: p,
captions: y,
contentSteering: l,
url: s,
stats: e,
networkDetails: i,
sessionData: h,
sessionKeys: d,
startTimeOffset: c,
variableList: f
})
}
}
,
e.handleTrackOrLevelPlaylist = function(t, e, r, i, n) {
var a = this.hls
, s = r.id
, o = r.level
, l = r.type
, u = ye(t, r)
, h = E(s) ? s : 0
, d = E(o) ? o : h
, c = pe(r)
, f = re.parseLevelPlaylist(t.data, u, d, c, h, this.variableList);
if (l === he) {
var g = {
attrs: new P({}),
bitrate: 0,
details: f,
name: "",
url: u
};
a.trigger(S.MANIFEST_LOADED, {
levels: [g],
audioTracks: [],
url: u,
stats: e,
networkDetails: i,
sessionData: null,
sessionKeys: null,
contentSteering: null,
startTimeOffset: null,
variableList: null
})
}
e.parsing.end = performance.now(),
r.levelDetails = f,
this.handlePlaylistLoaded(f, t, e, r, i, n)
}
,
e.handleManifestParsingError = function(t, e, r, i, n) {
this.hls.trigger(S.ERROR, {
type: L.NETWORK_ERROR,
details: R.MANIFEST_PARSING_ERROR,
fatal: e.type === he,
url: t.url,
err: r,
error: r,
reason: r.message,
response: t,
context: e,
networkDetails: i,
stats: n
})
}
,
e.handleNetworkError = function(t, e, r, n, a) {
void 0 === r && (r = !1);
var s = "A network " + (r ? "timeout" : "error" + (n ? " (status " + n.code + ")" : "")) + " occurred while loading " + t.type;
t.type === de ? s += ": " + t.level + " id: " + t.id : t.type !== ce && t.type !== fe || (s += " id: " + t.id + ' group-id: "' + t.groupId + '"');
var o = new Error(s);
w.warn("[playlist-loader]: " + s);
var l = R.UNKNOWN
, u = !1
, h = this.getInternalLoader(t);
switch (t.type) {
case he:
l = r ? R.MANIFEST_LOAD_TIMEOUT : R.MANIFEST_LOAD_ERROR,
u = !0;
break;
case de:
l = r ? R.LEVEL_LOAD_TIMEOUT : R.LEVEL_LOAD_ERROR,
u = !1;
break;
case ce:
l = r ? R.AUDIO_TRACK_LOAD_TIMEOUT : R.AUDIO_TRACK_LOAD_ERROR,
u = !1;
break;
case fe:
l = r ? R.SUBTITLE_TRACK_LOAD_TIMEOUT : R.SUBTITLE_LOAD_ERROR,
u = !1
}
h && this.resetInternalLoader(t.type);
var d = {
type: L.NETWORK_ERROR,
details: l,
fatal: u,
url: t.url,
loader: h,
context: t,
error: o,
networkDetails: e,
stats: a
};
if (n) {
var c = (null == e ? void 0 : e.url) || t.url;
d.response = i({
url: c,
data: void 0
}, n)
}
this.hls.trigger(S.ERROR, d)
}
,
e.handlePlaylistLoaded = function(t, e, r, i, n, a) {
var s = this.hls
, o = i.type
, l = i.level
, u = i.id
, h = i.groupId
, d = i.deliveryDirectives
, c = ye(e, i)
, f = pe(i)
, g = "number" == typeof i.level && f === ge ? l : void 0;
if (t.fragments.length) {
t.targetduration || (t.playlistParsingError = new Error("Missing Target Duration"));
var v = t.playlistParsingError;
if (v)
s.trigger(S.ERROR, {
type: L.NETWORK_ERROR,
details: R.LEVEL_PARSING_ERROR,
fatal: !1,
url: c,
error: v,
reason: v.message,
response: e,
context: i,
level: g,
parent: f,
networkDetails: n,
stats: r
});
else
switch (t.live && a && (a.getCacheAge && (t.ageHeader = a.getCacheAge() || 0),
a.getCacheAge && !isNaN(t.ageHeader) || (t.ageHeader = 0)),
o) {
case he:
case de:
s.trigger(S.LEVEL_LOADED, {
details: t,
level: g || 0,
id: u || 0,
stats: r,
networkDetails: n,
deliveryDirectives: d
});
break;
case ce:
s.trigger(S.AUDIO_TRACK_LOADED, {
details: t,
id: u || 0,
groupId: h || "",
stats: r,
networkDetails: n,
deliveryDirectives: d
});
break;
case fe:
s.trigger(S.SUBTITLE_TRACK_LOADED, {
details: t,
id: u || 0,
groupId: h || "",
stats: r,
networkDetails: n,
deliveryDirectives: d
})
}
} else {
var m = new Error("No Segments found in Playlist");
s.trigger(S.ERROR, {
type: L.NETWORK_ERROR,
details: R.LEVEL_EMPTY_ERROR,
fatal: !1,
url: c,
error: m,
reason: m.message,
response: e,
context: i,
level: g,
parent: f,
networkDetails: n,
stats: r
})
}
}
,
t
}();
function Ee(t, e) {
var r;
try {
r = new Event("addtrack")
} catch (t) {
(r = document.createEvent("Event")).initEvent("addtrack", !1, !1)
}
r.track = t,
e.dispatchEvent(r)
}
function Se(t, e) {
var r = t.mode;
if ("disabled" === r && (t.mode = "hidden"),
t.cues && !t.cues.getCueById(e.id))
try {
if (t.addCue(e),
!t.cues.getCueById(e.id))
throw new Error("addCue is failed for: " + e)
} catch (r) {
w.debug("[texttrack-utils]: " + r);
try {
var i = new self.TextTrackCue(e.startTime,e.endTime,e.text);
i.id = e.id,
t.addCue(i)
} catch (t) {
w.debug("[texttrack-utils]: Legacy TextTrackCue fallback failed: " + t)
}
}
"disabled" === r && (t.mode = r)
}
function Le(t) {
var e = t.mode;
if ("disabled" === e && (t.mode = "hidden"),
t.cues)
for (var r = t.cues.length; r--; )
t.removeCue(t.cues[r]);
"disabled" === e && (t.mode = e)
}
function Re(t, e, r, i) {
var n = t.mode;
if ("disabled" === n && (t.mode = "hidden"),
t.cues && t.cues.length > 0)
for (var a = function(t, e, r) {
var i = []
, n = function(t, e) {
if (e < t[0].startTime)
return 0;
var r = t.length - 1;
if (e > t[r].endTime)
return -1;
for (var i = 0, n = r; i <= n; ) {
var a = Math.floor((n + i) / 2);
if (e < t[a].startTime)
n = a - 1;
else {
if (!(e > t[a].startTime && i < r))
return a;
i = a + 1
}
}
return t[i].startTime - e < e - t[n].startTime ? i : n
}(t, e);
if (n > -1)
for (var a = n, s = t.length; a < s; a++) {
var o = t[a];
if (o.startTime >= e && o.endTime <= r)
i.push(o);
else if (o.startTime > r)
return i
}
return i
}(t.cues, e, r), s = 0; s < a.length; s++)
i && !i(a[s]) || t.removeCue(a[s]);
"disabled" === n && (t.mode = n)
}
var Ae = "org.id3"
, ke = "com.apple.quicktime.HLS"
, be = "https://aomedia.org/emsg/ID3";
function De() {
if ("undefined" != typeof self)
return self.WebKitDataCue || self.VTTCue || self.TextTrackCue
}
var Ie = function() {
var t = De();
try {
new t(0,Number.POSITIVE_INFINITY,"")
} catch (t) {
return Number.MAX_VALUE
}
return Number.POSITIVE_INFINITY
}();
function we(t, e) {
return t.getTime() / 1e3 - e
}
var Ce = function() {
function t(t) {
this.hls = void 0,
this.id3Track = null,
this.media = null,
this.dateRangeCuesAppended = {},
this.hls = t,
this._registerListeners()
}
var e = t.prototype;
return e.destroy = function() {
this._unregisterListeners(),
this.id3Track = null,
this.media = null,
this.dateRangeCuesAppended = {},
this.hls = null
}
,
e._registerListeners = function() {
var t = this.hls;
t.on(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.on(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.FRAG_PARSING_METADATA, this.onFragParsingMetadata, this),
t.on(S.BUFFER_FLUSHING, this.onBufferFlushing, this),
t.on(S.LEVEL_UPDATED, this.onLevelUpdated, this)
}
,
e._unregisterListeners = function() {
var t = this.hls;
t.off(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.off(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.FRAG_PARSING_METADATA, this.onFragParsingMetadata, this),
t.off(S.BUFFER_FLUSHING, this.onBufferFlushing, this),
t.off(S.LEVEL_UPDATED, this.onLevelUpdated, this)
}
,
e.onMediaAttached = function(t, e) {
this.media = e.media
}
,
e.onMediaDetaching = function() {
this.id3Track && (Le(this.id3Track),
this.id3Track = null,
this.media = null,
this.dateRangeCuesAppended = {})
}
,
e.onManifestLoading = function() {
this.dateRangeCuesAppended = {}
}
,
e.createTrack = function(t) {
var e = this.getID3Track(t.textTracks);
return e.mode = "hidden",
e
}
,
e.getID3Track = function(t) {
if (this.media) {
for (var e = 0; e < t.length; e++) {
var r = t[e];
if ("metadata" === r.kind && "id3" === r.label)
return Ee(r, this.media),
r
}
return this.media.addTextTrack("metadata", "id3")
}
}
,
e.onFragParsingMetadata = function(t, e) {
if (this.media) {
var r = this.hls.config
, i = r.enableEmsgMetadataCues
, n = r.enableID3MetadataCues;
if (i || n) {
var a = e.samples;
this.id3Track || (this.id3Track = this.createTrack(this.media));
for (var s = De(), o = 0; o < a.length; o++) {
var l = a[o].type;
if ((l !== be || i) && n) {
var u = dt(a[o].data);
if (u) {
var h = a[o].pts
, d = h + a[o].duration;
d > Ie && (d = Ie),
d - h <= 0 && (d = h + .25);
for (var c = 0; c < u.length; c++) {
var f = u[c];
if (!ut(f)) {
this.updateId3CueEnds(h, l);
var g = new s(h,d,"");
g.value = f,
l && (g.type = l),
this.id3Track.addCue(g)
}
}
}
}
}
}
}
}
,
e.updateId3CueEnds = function(t, e) {
var r, i = null == (r = this.id3Track) ? void 0 : r.cues;
if (i)
for (var n = i.length; n--; ) {
var a = i[n];
a.type === e && a.startTime < t && a.endTime === Ie && (a.endTime = t)
}
}
,
e.onBufferFlushing = function(t, e) {
var r = e.startOffset
, i = e.endOffset
, n = e.type
, a = this.id3Track
, s = this.hls;
if (s) {
var o = s.config
, l = o.enableEmsgMetadataCues
, u = o.enableID3MetadataCues;
a && (l || u) && Re(a, r, i, "audio" === n ? function(t) {
return t.type === Ae && u
}
: "video" === n ? function(t) {
return t.type === be && l
}
: function(t) {
return t.type === Ae && u || t.type === be && l
}
)
}
}
,
e.onLevelUpdated = function(t, e) {
var r = this
, i = e.details;
if (this.media && i.hasProgramDateTime && this.hls.config.enableDateRangeMetadataCues) {
var n = this.dateRangeCuesAppended
, a = this.id3Track
, s = i.dateRanges
, o = Object.keys(s);
if (a)
for (var l = Object.keys(n).filter((function(t) {
return !o.includes(t)
}
)), u = function() {
var t = l[h];
Object.keys(n[t].cues).forEach((function(e) {
a.removeCue(n[t].cues[e])
}
)),
delete n[t]
}, h = l.length; h--; )
u();
var d = i.fragments[i.fragments.length - 1];
if (0 !== o.length && E(null == d ? void 0 : d.programDateTime)) {
this.id3Track || (this.id3Track = this.createTrack(this.media));
for (var c = d.programDateTime / 1e3 - d.start, f = De(), g = function() {
var t = o[v]
, e = s[t]
, i = n[t]
, a = (null == i ? void 0 : i.cues) || {}
, l = (null == i ? void 0 : i.durationKnown) || !1
, u = we(e.startDate, c)
, h = Ie
, d = e.endDate;
if (d)
h = we(d, c),
l = !0;
else if (e.endOnNext && !l) {
var g = o.reduce((function(t, r) {
var i = s[r];
return i.class === e.class && i.id !== r && i.startDate > e.startDate && t.push(i),
t
}
), []).sort((function(t, e) {
return t.startDate.getTime() - e.startDate.getTime()
}
))[0];
g && (h = we(g.startDate, c),
l = !0)
}
for (var m, p, y = Object.keys(e.attr), T = 0; T < y.length; T++) {
var E = y[T];
if ("ID" !== (p = E) && "CLASS" !== p && "START-DATE" !== p && "DURATION" !== p && "END-DATE" !== p && "END-ON-NEXT" !== p) {
var S = a[E];
if (S)
l && !i.durationKnown && (S.endTime = h);
else {
var L = e.attr[E];
S = new f(u,h,""),
x(E) && (m = L,
L = Uint8Array.from(m.replace(/^0x/, "").replace(/([\da-fA-F]{2}) ?/g, "0x$1 ").replace(/ +$/, "").split(" ")).buffer),
S.value = {
key: E,
data: L
},
S.type = ke,
S.id = t,
r.id3Track.addCue(S),
a[E] = S
}
}
}
n[t] = {
cues: a,
dateRange: e,
durationKnown: l
}
}, v = 0; v < o.length; v++)
g()
}
}
}
,
t
}()
, _e = function() {
function t(t) {
var e = this;
this.hls = void 0,
this.config = void 0,
this.media = null,
this.levelDetails = null,
this.currentTime = 0,
this.stallCount = 0,
this._latency = null,
this.timeupdateHandler = function() {
return e.timeupdate()
}
,
this.hls = t,
this.config = t.config,
this.registerListeners()
}
var e = t.prototype;
return e.destroy = function() {
this.unregisterListeners(),
this.onMediaDetaching(),
this.levelDetails = null,
this.hls = this.timeupdateHandler = null
}
,
e.registerListeners = function() {
this.hls.on(S.MEDIA_ATTACHED, this.onMediaAttached, this),
this.hls.on(S.MEDIA_DETACHING, this.onMediaDetaching, this),
this.hls.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
this.hls.on(S.LEVEL_UPDATED, this.onLevelUpdated, this),
this.hls.on(S.ERROR, this.onError, this)
}
,
e.unregisterListeners = function() {
this.hls.off(S.MEDIA_ATTACHED, this.onMediaAttached, this),
this.hls.off(S.MEDIA_DETACHING, this.onMediaDetaching, this),
this.hls.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
this.hls.off(S.LEVEL_UPDATED, this.onLevelUpdated, this),
this.hls.off(S.ERROR, this.onError, this)
}
,
e.onMediaAttached = function(t, e) {
this.media = e.media,
this.media.addEventListener("timeupdate", this.timeupdateHandler)
}
,
e.onMediaDetaching = function() {
this.media && (this.media.removeEventListener("timeupdate", this.timeupdateHandler),
this.media = null)
}
,
e.onManifestLoading = function() {
this.levelDetails = null,
this._latency = null,
this.stallCount = 0
}
,
e.onLevelUpdated = function(t, e) {
var r = e.details;
this.levelDetails = r,
r.advanced && this.timeupdate(),
!r.live && this.media && this.media.removeEventListener("timeupdate", this.timeupdateHandler)
}
,
e.onError = function(t, e) {
var r;
e.details === R.BUFFER_STALLED_ERROR && (this.stallCount++,
null != (r = this.levelDetails) && r.live && w.warn("[playback-rate-controller]: Stall detected, adjusting target latency"))
}
,
e.timeupdate = function() {
var t = this.media
, e = this.levelDetails;
if (t && e) {
this.currentTime = t.currentTime;
var r = this.computeLatency();
if (null !== r) {
this._latency = r;
var i = this.config
, n = i.lowLatencyMode
, a = i.maxLiveSyncPlaybackRate;
if (n && 1 !== a) {
var s = this.targetLatency;
if (null !== s) {
var o = r - s
, l = o < Math.min(this.maxLatency, s + e.targetduration);
if (e.live && l && o > .05 && this.forwardBufferLength > 1) {
var u = Math.min(2, Math.max(1, a))
, h = Math.round(2 / (1 + Math.exp(-.75 * o - this.edgeStalled)) * 20) / 20;
t.playbackRate = Math.min(u, Math.max(1, h))
} else
1 !== t.playbackRate && 0 !== t.playbackRate && (t.playbackRate = 1)
}
}
}
}
}
,
e.estimateLiveEdge = function() {
var t = this.levelDetails;
return null === t ? null : t.edge + t.age
}
,
e.computeLatency = function() {
var t = this.estimateLiveEdge();
return null === t ? null : t - this.currentTime
}
,
a(t, [{
key: "latency",
get: function() {
return this._latency || 0
}
}, {
key: "maxLatency",
get: function() {
var t = this.config
, e = this.levelDetails;
return void 0 !== t.liveMaxLatencyDuration ? t.liveMaxLatencyDuration : e ? t.liveMaxLatencyDurationCount * e.targetduration : 0
}
}, {
key: "targetLatency",
get: function() {
var t = this.levelDetails;
if (null === t)
return null;
var e = t.holdBack
, r = t.partHoldBack
, i = t.targetduration
, n = this.config
, a = n.liveSyncDuration
, s = n.liveSyncDurationCount
, o = n.lowLatencyMode
, l = this.hls.userConfig
, u = o && r || e;
(l.liveSyncDuration || l.liveSyncDurationCount || 0 === u) && (u = void 0 !== a ? a : s * i);
var h = i;
return u + Math.min(1 * this.stallCount, h)
}
}, {
key: "liveSyncPosition",
get: function() {
var t = this.estimateLiveEdge()
, e = this.targetLatency
, r = this.levelDetails;
if (null === t || null === e || null === r)
return null;
var i = r.edge
, n = t - e - this.edgeStalled
, a = i - r.totalduration
, s = i - (this.config.lowLatencyMode && r.partTarget || r.targetduration);
return Math.min(Math.max(a, n), s)
}
}, {
key: "drift",
get: function() {
var t = this.levelDetails;
return null === t ? 1 : t.drift
}
}, {
key: "edgeStalled",
get: function() {
var t = this.levelDetails;
if (null === t)
return 0;
var e = 3 * (this.config.lowLatencyMode && t.partTarget || t.targetduration);
return Math.max(t.age - e, 0)
}
}, {
key: "forwardBufferLength",
get: function() {
var t = this.media
, e = this.levelDetails;
if (!t || !e)
return 0;
var r = t.buffered.length;
return (r ? t.buffered.end(r - 1) : e.edge) - this.currentTime
}
}]),
t
}()
, Pe = ["NONE", "TYPE-0", "TYPE-1", null]
, xe = ""
, Fe = "YES"
, Me = "v2"
, Oe = function() {
function t(t, e, r) {
this.msn = void 0,
this.part = void 0,
this.skip = void 0,
this.msn = t,
this.part = e,
this.skip = r
}
return t.prototype.addDirectives = function(t) {
var e = new self.URL(t);
return void 0 !== this.msn && e.searchParams.set("_HLS_msn", this.msn.toString()),
void 0 !== this.part && e.searchParams.set("_HLS_part", this.part.toString()),
this.skip && e.searchParams.set("_HLS_skip", this.skip),
e.href
}
,
t
}()
, Ne = function() {
function t(t) {
this._attrs = void 0,
this.audioCodec = void 0,
this.bitrate = void 0,
this.codecSet = void 0,
this.height = void 0,
this.id = void 0,
this.name = void 0,
this.videoCodec = void 0,
this.width = void 0,
this.unknownCodecs = void 0,
this.audioGroupIds = void 0,
this.details = void 0,
this.fragmentError = 0,
this.loadError = 0,
this.loaded = void 0,
this.realBitrate = 0,
this.textGroupIds = void 0,
this.url = void 0,
this._urlId = 0,
this.url = [t.url],
this._attrs = [t.attrs],
this.bitrate = t.bitrate,
t.details && (this.details = t.details),
this.id = t.id || 0,
this.name = t.name,
this.width = t.width || 0,
this.height = t.height || 0,
this.audioCodec = t.audioCodec,
this.videoCodec = t.videoCodec,
this.unknownCodecs = t.unknownCodecs,
this.codecSet = [t.videoCodec, t.audioCodec].filter((function(t) {
return t
}
)).join(",").replace(/\.[^.,]+/g, "")
}
return t.prototype.addFallback = function(t) {
this.url.push(t.url),
this._attrs.push(t.attrs)
}
,
a(t, [{
key: "maxBitrate",
get: function() {
return Math.max(this.realBitrate, this.bitrate)
}
}, {
key: "attrs",
get: function() {
return this._attrs[this._urlId]
}
}, {
key: "pathwayId",
get: function() {
return this.attrs["PATHWAY-ID"] || "."
}
}, {
key: "uri",
get: function() {
return this.url[this._urlId] || ""
}
}, {
key: "urlId",
get: function() {
return this._urlId
},
set: function(t) {
var e = t % this.url.length;
this._urlId !== e && (this.fragmentError = 0,
this.loadError = 0,
this.details = void 0,
this._urlId = e)
}
}, {
key: "audioGroupId",
get: function() {
var t;
return null == (t = this.audioGroupIds) ? void 0 : t[this.urlId]
}
}, {
key: "textGroupId",
get: function() {
var t;
return null == (t = this.textGroupIds) ? void 0 : t[this.urlId]
}
}]),
t
}();
function Ue(t, e) {
var r = e.startPTS;
if (E(r)) {
var i, n = 0;
e.sn > t.sn ? (n = r - t.start,
i = t) : (n = t.start - r,
i = e),
i.duration !== n && (i.duration = n)
} else
e.sn > t.sn ? t.cc === e.cc && t.minEndPTS ? e.start = t.start + (t.minEndPTS - t.start) : e.start = t.start + t.duration : e.start = Math.max(t.start - e.duration, 0)
}
function Be(t, e, r, i, n, a) {
i - r <= 0 && (w.warn("Fragment should have a positive duration", e),
i = r + e.duration,
a = n + e.duration);
var s = r
, o = i
, l = e.startPTS
, u = e.endPTS;
if (E(l)) {
var h = Math.abs(l - r);
E(e.deltaPTS) ? e.deltaPTS = Math.max(h, e.deltaPTS) : e.deltaPTS = h,
s = Math.max(r, l),
r = Math.min(r, l),
n = Math.min(n, e.startDTS),
o = Math.min(i, u),
i = Math.max(i, u),
a = Math.max(a, e.endDTS)
}
var d = r - e.start;
0 !== e.start && (e.start = r),
e.duration = i - e.start,
e.startPTS = r,
e.maxStartPTS = s,
e.startDTS = n,
e.endPTS = i,
e.minEndPTS = o,
e.endDTS = a;
var c, f = e.sn;
if (!t || f < t.startSN || f > t.endSN)
return 0;
var g = f - t.startSN
, v = t.fragments;
for (v[g] = e,
c = g; c > 0; c--)
Ue(v[c], v[c - 1]);
for (c = g; c < v.length - 1; c++)
Ue(v[c], v[c + 1]);
return t.fragmentHint && Ue(v[v.length - 1], t.fragmentHint),
t.PTSKnown = t.alignedSliding = !0,
d
}
function Ge(t, e) {
for (var r = null, i = t.fragments, n = i.length - 1; n >= 0; n--) {
var a = i[n].initSegment;
if (a) {
r = a;
break
}
}
t.fragmentHint && delete t.fragmentHint.endPTS;
var s, l, u, h, d, c = 0;
if (function(t, e, r) {
for (var i = e.skippedSegments, n = Math.max(t.startSN, e.startSN) - e.startSN, a = (t.fragmentHint ? 1 : 0) + (i ? e.endSN : Math.min(t.endSN, e.endSN)) - e.startSN, s = e.startSN - t.startSN, o = e.fragmentHint ? e.fragments.concat(e.fragmentHint) : e.fragments, l = t.fragmentHint ? t.fragments.concat(t.fragmentHint) : t.fragments, u = n; u <= a; u++) {
var h = l[s + u]
, d = o[u];
i && !d && u < i && (d = e.fragments[u] = h),
h && d && r(h, d)
}
}(t, e, (function(t, i) {
t.relurl && (c = t.cc - i.cc),
E(t.startPTS) && E(t.endPTS) && (i.start = i.startPTS = t.startPTS,
i.startDTS = t.startDTS,
i.maxStartPTS = t.maxStartPTS,
i.endPTS = t.endPTS,
i.endDTS = t.endDTS,
i.minEndPTS = t.minEndPTS,
i.duration = t.endPTS - t.startPTS,
i.duration && (s = i),
e.PTSKnown = e.alignedSliding = !0),
i.elementaryStreams = t.elementaryStreams,
i.loader = t.loader,
i.stats = t.stats,
i.urlId = t.urlId,
t.initSegment && (i.initSegment = t.initSegment,
r = t.initSegment)
}
)),
r && (e.fragmentHint ? e.fragments.concat(e.fragmentHint) : e.fragments).forEach((function(t) {
var e;
t.initSegment && t.initSegment.relurl !== (null == (e = r) ? void 0 : e.relurl) || (t.initSegment = r)
}
)),
e.skippedSegments)
if (e.deltaUpdateFailed = e.fragments.some((function(t) {
return !t
}
)),
e.deltaUpdateFailed) {
w.warn("[level-helper] Previous playlist missing segments skipped in delta playlist");
for (var f = e.skippedSegments; f--; )
e.fragments.shift();
e.startSN = e.fragments[0].sn,
e.startCC = e.fragments[0].cc
} else
e.canSkipDateRanges && (e.dateRanges = (l = t.dateRanges,
u = e.dateRanges,
h = e.recentlyRemovedDateranges,
d = o({}, l),
h && h.forEach((function(t) {
delete d[t]
}
)),
Object.keys(u).forEach((function(t) {
var e = new F(u[t].attr,d[t]);
e.isValid ? d[t] = e : w.warn('Ignoring invalid Playlist Delta Update DATERANGE tag: "' + JSON.stringify(u[t].attr) + '"')
}
)),
d));
var g = e.fragments;
if (c) {
w.warn("discontinuity sliding from playlist, take drift into account");
for (var v = 0; v < g.length; v++)
g[v].cc += c
}
e.skippedSegments && (e.startCC = e.fragments[0].cc),
function(t, e, r) {
if (t && e)
for (var i = 0, n = 0, a = t.length; n <= a; n++) {
var s = t[n]
, o = e[n + i];
s && o && s.index === o.index && s.fragment.sn === o.fragment.sn ? r(s, o) : i--
}
}(t.partList, e.partList, (function(t, e) {
e.elementaryStreams = t.elementaryStreams,
e.stats = t.stats
}
)),
s ? Be(e, s, s.startPTS, s.endPTS, s.startDTS, s.endDTS) : Ke(t, e),
g.length && (e.totalduration = e.edge - g[0].start),
e.driftStartTime = t.driftStartTime,
e.driftStart = t.driftStart;
var m = e.advancedDateTime;
if (e.advanced && m) {
var p = e.edge;
e.driftStart || (e.driftStartTime = m,
e.driftStart = p),
e.driftEndTime = m,
e.driftEnd = p
} else
e.driftEndTime = t.driftEndTime,
e.driftEnd = t.driftEnd,
e.advancedDateTime = t.advancedDateTime
}
function Ke(t, e) {
var r = e.startSN + e.skippedSegments - t.startSN
, i = t.fragments;
r < 0 || r >= i.length || He(e, i[r].start)
}
function He(t, e) {
if (e) {
for (var r = t.fragments, i = t.skippedSegments; i < r.length; i++)
r[i].start += e;
t.fragmentHint && (t.fragmentHint.start += e)
}
}
function Ve(t, e, r) {
var i;
return null != t && t.details ? Ye(null == (i = t.details) ? void 0 : i.partList, e, r) : null
}
function Ye(t, e, r) {
if (t)
for (var i = t.length; i--; ) {
var n = t[i];
if (n.index === r && n.fragment.sn === e)
return n
}
return null
}
function We(t) {
switch (t.details) {
case R.FRAG_LOAD_TIMEOUT:
case R.KEY_LOAD_TIMEOUT:
case R.LEVEL_LOAD_TIMEOUT:
case R.MANIFEST_LOAD_TIMEOUT:
return !0
}
return !1
}
function je(t, e) {
var r = We(e);
return t.default[(r ? "timeout" : "error") + "Retry"]
}
function qe(t, e) {
var r = "linear" === t.backoff ? 1 : Math.pow(2, e);
return Math.min(r * t.retryDelayMs, t.maxRetryDelayMs)
}
function Xe(t) {
return i(i({}, t), {
errorRetry: null,
timeoutRetry: null
})
}
function ze(t, e, r, i) {
return !!t && e < t.maxNumRetry && (function(t) {
return 0 === t && !1 === navigator.onLine || !!t && (t < 400 || t > 499)
}(i) || !!r)
}
var Qe = function(t, e) {
for (var r = 0, i = t.length - 1, n = null, a = null; r <= i; ) {
var s = e(a = t[n = (r + i) / 2 | 0]);
if (s > 0)
r = n + 1;
else {
if (!(s < 0))
return a;
i = n - 1
}
}
return null
};
function $e(t, e, r, i) {
void 0 === r && (r = 0),
void 0 === i && (i = 0);
var n = null;
if (t ? n = e[t.sn - e[0].sn + 1] || null : 0 === r && 0 === e[0].start && (n = e[0]),
n && 0 === Je(r, i, n))
return n;
var a = Qe(e, Je.bind(null, r, i));
return !a || a === t && n ? n : a
}
function Je(t, e, r) {
if (void 0 === t && (t = 0),
void 0 === e && (e = 0),
r.start <= t && r.start + r.duration > t)
return 0;
var i = Math.min(e, r.duration + (r.deltaPTS ? r.deltaPTS : 0));
return r.start + r.duration - i <= t ? 1 : r.start - i > t && r.start ? -1 : 0
}
function Ze(t, e, r) {
var i = 1e3 * Math.min(e, r.duration + (r.deltaPTS ? r.deltaPTS : 0));
return (r.endProgramDateTime || 0) - i > t
}
var tr, er = 3e5, rr = 0, ir = 2, nr = 5, ar = 0, sr = 1, or = 2, lr = function() {
function t(t) {
this.hls = void 0,
this.playlistError = 0,
this.penalizedRenditions = {},
this.log = void 0,
this.warn = void 0,
this.error = void 0,
this.hls = t,
this.log = w.log.bind(w, "[info]:"),
this.warn = w.warn.bind(w, "[warning]:"),
this.error = w.error.bind(w, "[error]:"),
this.registerListeners()
}
var e = t.prototype;
return e.registerListeners = function() {
var t = this.hls;
t.on(S.ERROR, this.onError, this),
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.LEVEL_UPDATED, this.onLevelUpdated, this)
}
,
e.unregisterListeners = function() {
var t = this.hls;
t && (t.off(S.ERROR, this.onError, this),
t.off(S.ERROR, this.onErrorOut, this),
t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.LEVEL_UPDATED, this.onLevelUpdated, this))
}
,
e.destroy = function() {
this.unregisterListeners(),
this.hls = null,
this.penalizedRenditions = {}
}
,
e.startLoad = function(t) {
this.playlistError = 0
}
,
e.stopLoad = function() {}
,
e.getVariantLevelIndex = function(t) {
return (null == t ? void 0 : t.type) === ge ? t.level : this.hls.loadLevel
}
,
e.onManifestLoading = function() {
this.playlistError = 0,
this.penalizedRenditions = {}
}
,
e.onLevelUpdated = function() {
this.playlistError = 0
}
,
e.onError = function(t, e) {
var r, i;
if (!e.fatal) {
var n = this.hls
, a = e.context;
switch (e.details) {
case R.FRAG_LOAD_ERROR:
case R.FRAG_LOAD_TIMEOUT:
case R.KEY_LOAD_ERROR:
case R.KEY_LOAD_TIMEOUT:
return void (e.errorAction = this.getFragRetryOrSwitchAction(e));
case R.FRAG_PARSING_ERROR:
if (null != (r = e.frag) && r.gap)
return void (e.errorAction = {
action: rr,
flags: ar
});
case R.FRAG_GAP:
case R.FRAG_DECRYPT_ERROR:
return e.errorAction = this.getFragRetryOrSwitchAction(e),
void (e.errorAction.action = ir);
case R.LEVEL_EMPTY_ERROR:
case R.LEVEL_PARSING_ERROR:
var s, o, l = e.parent === ge ? e.level : n.loadLevel;
return void (e.details === R.LEVEL_EMPTY_ERROR && null != (s = e.context) && null != (o = s.levelDetails) && o.live ? e.errorAction = this.getPlaylistRetryOrSwitchAction(e, l) : (e.levelRetry = !1,
e.errorAction = this.getLevelSwitchAction(e, l)));
case R.LEVEL_LOAD_ERROR:
case R.LEVEL_LOAD_TIMEOUT:
return void ("number" == typeof (null == a ? void 0 : a.level) && (e.errorAction = this.getPlaylistRetryOrSwitchAction(e, a.level)));
case R.AUDIO_TRACK_LOAD_ERROR:
case R.AUDIO_TRACK_LOAD_TIMEOUT:
case R.SUBTITLE_LOAD_ERROR:
case R.SUBTITLE_TRACK_LOAD_TIMEOUT:
if (a) {
var u = n.levels[n.loadLevel];
if (u && (a.type === ce && a.groupId === u.audioGroupId || a.type === fe && a.groupId === u.textGroupId))
return e.errorAction = this.getPlaylistRetryOrSwitchAction(e, n.loadLevel),
e.errorAction.action = ir,
void (e.errorAction.flags = sr)
}
return;
case R.KEY_SYSTEM_STATUS_OUTPUT_RESTRICTED:
var h = n.levels[n.loadLevel]
, d = null == h ? void 0 : h.attrs["HDCP-LEVEL"];
return void (d && (e.errorAction = {
action: ir,
flags: or,
hdcpLevel: d
}));
case R.BUFFER_ADD_CODEC_ERROR:
case R.REMUX_ALLOC_ERROR:
return void (e.errorAction = this.getLevelSwitchAction(e, null != (i = e.level) ? i : n.loadLevel));
case R.INTERNAL_EXCEPTION:
case R.BUFFER_APPENDING_ERROR:
case R.BUFFER_APPEND_ERROR:
case R.BUFFER_FULL_ERROR:
case R.LEVEL_SWITCH_ERROR:
case R.BUFFER_STALLED_ERROR:
case R.BUFFER_SEEK_OVER_HOLE:
case R.BUFFER_NUDGE_ON_STALL:
return void (e.errorAction = {
action: rr,
flags: ar
})
}
if (e.type === L.KEY_SYSTEM_ERROR) {
var c = this.getVariantLevelIndex(e.frag);
return e.levelRetry = !1,
void (e.errorAction = this.getLevelSwitchAction(e, c))
}
}
}
,
e.getPlaylistRetryOrSwitchAction = function(t, e) {
var r, i = je(this.hls.config.playlistLoadPolicy, t), n = this.playlistError++, a = null == (r = t.response) ? void 0 : r.code;
if (ze(i, n, We(t), a))
return {
action: nr,
flags: ar,
retryConfig: i,
retryCount: n
};
var s = this.getLevelSwitchAction(t, e);
return i && (s.retryConfig = i,
s.retryCount = n),
s
}
,
e.getFragRetryOrSwitchAction = function(t) {
var e = this.hls
, r = this.getVariantLevelIndex(t.frag)
, i = e.levels[r]
, n = e.config
, a = n.fragLoadPolicy
, s = n.keyLoadPolicy
, o = je(t.details.startsWith("key") ? s : a, t)
, l = e.levels.reduce((function(t, e) {
return t + e.fragmentError
}
), 0);
if (i) {
var u;
t.details !== R.FRAG_GAP && i.fragmentError++;
var h = null == (u = t.response) ? void 0 : u.code;
if (ze(o, l, We(t), h))
return {
action: nr,
flags: ar,
retryConfig: o,
retryCount: l
}
}
var d = this.getLevelSwitchAction(t, r);
return o && (d.retryConfig = o,
d.retryCount = l),
d
}
,
e.getLevelSwitchAction = function(t, e) {
var r = this.hls;
null == e && (e = r.loadLevel);
var i = this.hls.levels[e];
if (i && (i.loadError++,
r.autoLevelEnabled)) {
for (var n, a, s = -1, o = r.levels, l = r.loadLevel, u = r.minAutoLevel, h = r.maxAutoLevel, d = null == (n = t.frag) ? void 0 : n.type, c = null != (a = t.context) ? a : {}, f = c.type, g = c.groupId, v = o.length; v--; ) {
var m = (v + l) % o.length;
if (m !== l && m >= u && m <= h && 0 === o[m].loadError) {
var p = o[m];
if (t.details === R.FRAG_GAP && t.frag) {
var y = o[m].details;
if (y) {
var T = $e(t.frag, y.fragments, t.frag.start);
if (null != T && T.gap)
continue
}
} else {
if (f === ce && g === p.audioGroupId || f === fe && g === p.textGroupId)
continue;
if (d === ve && i.audioGroupId === p.audioGroupId || d === me && i.textGroupId === p.textGroupId)
continue
}
s = m;
break
}
}
if (s > -1 && r.loadLevel !== s)
return t.levelRetry = !0,
this.playlistError = 0,
{
action: ir,
flags: ar,
nextAutoLevel: s
}
}
return {
action: ir,
flags: sr
}
}
,
e.onErrorOut = function(t, e) {
var r;
switch (null == (r = e.errorAction) ? void 0 : r.action) {
case rr:
break;
case ir:
this.sendAlternateToPenaltyBox(e),
e.errorAction.resolved || e.details === R.FRAG_GAP || (e.fatal = !0)
}
e.fatal && this.hls.stopLoad()
}
,
e.sendAlternateToPenaltyBox = function(t) {
var e = this.hls
, r = t.errorAction;
if (r) {
var i = r.flags
, n = r.hdcpLevel
, a = r.nextAutoLevel;
switch (i) {
case ar:
this.switchLevel(t, a);
break;
case sr:
r.resolved || (r.resolved = this.redundantFailover(t));
break;
case or:
n && (e.maxHdcpLevel = Pe[Pe.indexOf(n) - 1],
r.resolved = !0),
this.warn('Restricting playback to HDCP-LEVEL of "' + e.maxHdcpLevel + '" or lower')
}
r.resolved || this.switchLevel(t, a)
}
}
,
e.switchLevel = function(t, e) {
void 0 !== e && t.errorAction && (this.warn("switching to level " + e + " after " + t.details),
this.hls.nextAutoLevel = e,
t.errorAction.resolved = !0,
this.hls.nextLoadLevel = this.hls.nextAutoLevel)
}
,
e.redundantFailover = function(t) {
var e = this
, r = this.hls
, i = this.penalizedRenditions
, n = t.parent === ge ? t.level : r.loadLevel
, a = r.levels[n]
, s = a.url.length
, o = t.frag ? t.frag.urlId : a.urlId;
a.urlId !== o || t.frag && !a.details || this.penalizeRendition(a, t);
for (var l = function() {
var l = (o + u) % s
, h = i[l];
if (!h || function(t, e, r) {
if (performance.now() - t.lastErrorPerfMs > er)
return !0;
var i = t.details;
if (e.details === R.FRAG_GAP && i && e.frag) {
var n = e.frag.start
, a = $e(null, i.fragments, n);
if (a && !a.gap)
return !0
}
if (r && t.errors.length < r.errors.length) {
var s = t.errors[t.errors.length - 1];
if (i && s.frag && e.frag && Math.abs(s.frag.start - e.frag.start) > 3 * i.targetduration)
return !0
}
return !1
}(h, t, i[o]))
return e.warn("Switching to Redundant Stream " + (l + 1) + "/" + s + ': "' + a.url[l] + '" after ' + t.details),
e.playlistError = 0,
r.levels.forEach((function(t) {
t.urlId = l
}
)),
r.nextLoadLevel = n,
{
v: !0
}
}, u = 1; u < s; u++) {
var h = l();
if ("object" == typeof h)
return h.v
}
return !1
}
,
e.penalizeRendition = function(t, e) {
var r = this.penalizedRenditions
, i = r[t.urlId] || {
lastErrorPerfMs: 0,
errors: [],
details: void 0
};
i.lastErrorPerfMs = performance.now(),
i.errors.push(e),
i.details = t.details,
r[t.urlId] = i
}
,
t
}(), ur = function() {
function t(t, e) {
this.hls = void 0,
this.timer = -1,
this.requestScheduled = -1,
this.canLoad = !1,
this.log = void 0,
this.warn = void 0,
this.log = w.log.bind(w, e + ":"),
this.warn = w.warn.bind(w, e + ":"),
this.hls = t
}
var e = t.prototype;
return e.destroy = function() {
this.clearTimer(),
this.hls = this.log = this.warn = null
}
,
e.clearTimer = function() {
clearTimeout(this.timer),
this.timer = -1
}
,
e.startLoad = function() {
this.canLoad = !0,
this.requestScheduled = -1,
this.loadPlaylist()
}
,
e.stopLoad = function() {
this.canLoad = !1,
this.clearTimer()
}
,
e.switchParams = function(t, e) {
var r = null == e ? void 0 : e.renditionReports;
if (r) {
for (var i = -1, n = 0; n < r.length; n++) {
var a = r[n]
, s = void 0;
try {
s = new self.URL(a.URI,e.url).href
} catch (t) {
w.warn("Could not construct new URL for Rendition Report: " + t),
s = a.URI || ""
}
if (s === t) {
i = n;
break
}
s === t.substring(0, s.length) && (i = n)
}
if (-1 !== i) {
var o = r[i]
, l = parseInt(o["LAST-MSN"]) || (null == e ? void 0 : e.lastPartSn)
, u = parseInt(o["LAST-PART"]) || (null == e ? void 0 : e.lastPartIndex);
if (this.hls.config.lowLatencyMode) {
var h = Math.min(e.age - e.partTarget, e.targetduration);
u >= 0 && h > e.partTarget && (u += 1)
}
return new Oe(l,u >= 0 ? u : void 0,xe)
}
}
}
,
e.loadPlaylist = function(t) {
-1 === this.requestScheduled && (this.requestScheduled = self.performance.now())
}
,
e.shouldLoadPlaylist = function(t) {
return this.canLoad && !!t && !!t.url && (!t.details || t.details.live)
}
,
e.shouldReloadPlaylist = function(t) {
return -1 === this.timer && -1 === this.requestScheduled && this.shouldLoadPlaylist(t)
}
,
e.playlistLoaded = function(t, e, r) {
var i = this
, n = e.details
, a = e.stats
, s = self.performance.now()
, o = a.loading.first ? Math.max(0, s - a.loading.first) : 0;
if (n.advancedDateTime = Date.now() - o,
n.live || null != r && r.live) {
if (n.reloaded(r),
r && this.log("live playlist " + t + " " + (n.advanced ? "REFRESHED " + n.lastPartSn + "-" + n.lastPartIndex : n.updated ? "UPDATED" : "MISSED")),
r && n.fragments.length > 0 && Ge(r, n),
!this.canLoad || !n.live)
return;
var l, u = void 0, h = void 0;
if (n.canBlockReload && n.endSN && n.advanced) {
var d = this.hls.config.lowLatencyMode
, c = n.lastPartSn
, f = n.endSN
, g = n.lastPartIndex
, v = c === f;
-1 !== g ? (u = v ? f + 1 : c,
h = v ? d ? 0 : g : g + 1) : u = f + 1;
var m = n.age
, p = m + n.ageHeader
, y = Math.min(p - n.partTarget, 1.5 * n.targetduration);
if (y > 0) {
if (r && y > r.tuneInGoal)
this.warn("CDN Tune-in goal increased from: " + r.tuneInGoal + " to: " + y + " with playlist age: " + n.age),
y = 0;
else {
var T = Math.floor(y / n.targetduration);
u += T,
void 0 !== h && (h += Math.round(y % n.targetduration / n.partTarget)),
this.log("CDN Tune-in age: " + n.ageHeader + "s last advanced " + m.toFixed(2) + "s goal: " + y + " skip sn " + T + " to part " + h)
}
n.tuneInGoal = y
}
if (l = this.getDeliveryDirectives(n, e.deliveryDirectives, u, h),
d || !v)
return void this.loadPlaylist(l)
} else
(n.canBlockReload || n.canSkipUntil) && (l = this.getDeliveryDirectives(n, e.deliveryDirectives, u, h));
var E = this.hls.mainForwardBufferInfo
, S = E ? E.end - E.len : 0
, L = function(t, e) {
void 0 === e && (e = 1 / 0);
var r = 1e3 * t.targetduration;
if (t.updated) {
var i = t.fragments;
if (i.length && 4 * r > e) {
var n = 1e3 * i[i.length - 1].duration;
n < r && (r = n)
}
} else
r /= 2;
return Math.round(r)
}(n, 1e3 * (n.edge - S));
n.updated && s > this.requestScheduled + L && (this.requestScheduled = a.loading.start),
void 0 !== u && n.canBlockReload ? this.requestScheduled = a.loading.first + L - (1e3 * n.partTarget || 1e3) : -1 === this.requestScheduled || this.requestScheduled + L < s ? this.requestScheduled = s : this.requestScheduled - s <= 0 && (this.requestScheduled += L);
var R = this.requestScheduled - s;
R = Math.max(0, R),
this.log("reload live playlist " + t + " in " + Math.round(R) + " ms"),
this.timer = self.setTimeout((function() {
return i.loadPlaylist(l)
}
), R)
} else
this.clearTimer()
}
,
e.getDeliveryDirectives = function(t, e, r, i) {
var n = function(t, e) {
var r = t.canSkipUntil
, i = t.canSkipDateRanges
, n = t.endSN;
return r && (void 0 !== e ? e - n : 0) < r ? i ? Me : Fe : xe
}(t, r);
return null != e && e.skip && t.deltaUpdateFailed && (r = e.msn,
i = e.part,
n = xe),
new Oe(r,i,n)
}
,
e.checkRetry = function(t) {
var e = this
, r = t.details
, i = We(t)
, n = t.errorAction
, a = n || {}
, s = a.action
, o = a.retryCount
, l = void 0 === o ? 0 : o
, u = a.retryConfig
, h = !!n && !!u && (s === nr || !n.resolved && s === ir);
if (h) {
var d;
if (this.requestScheduled = -1,
l >= u.maxNumRetry)
return !1;
if (i && null != (d = t.context) && d.deliveryDirectives)
this.warn("Retrying playlist loading " + (l + 1) + "/" + u.maxNumRetry + ' after "' + r + '" without delivery-directives'),
this.loadPlaylist();
else {
var c = qe(u, l);
this.timer = self.setTimeout((function() {
return e.loadPlaylist()
}
), c),
this.warn("Retrying playlist loading " + (l + 1) + "/" + u.maxNumRetry + ' after "' + r + '" in ' + c + "ms")
}
t.levelRetry = !0,
n.resolved = !0
}
return h
}
,
t
}(), hr = function(t) {
function e(e, r) {
var i;
return (i = t.call(this, e, "[level-controller]") || this)._levels = [],
i._firstLevel = -1,
i._startLevel = void 0,
i.currentLevel = null,
i.currentLevelIndex = -1,
i.manualLevelIndex = -1,
i.steering = void 0,
i.onParsedComplete = void 0,
i.steering = r,
i._registerListeners(),
i
}
l(e, t);
var r = e.prototype;
return r._registerListeners = function() {
var t = this.hls;
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.MANIFEST_LOADED, this.onManifestLoaded, this),
t.on(S.LEVEL_LOADED, this.onLevelLoaded, this),
t.on(S.LEVELS_UPDATED, this.onLevelsUpdated, this),
t.on(S.AUDIO_TRACK_SWITCHED, this.onAudioTrackSwitched, this),
t.on(S.FRAG_LOADED, this.onFragLoaded, this),
t.on(S.ERROR, this.onError, this)
}
,
r._unregisterListeners = function() {
var t = this.hls;
t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.MANIFEST_LOADED, this.onManifestLoaded, this),
t.off(S.LEVEL_LOADED, this.onLevelLoaded, this),
t.off(S.LEVELS_UPDATED, this.onLevelsUpdated, this),
t.off(S.AUDIO_TRACK_SWITCHED, this.onAudioTrackSwitched, this),
t.off(S.FRAG_LOADED, this.onFragLoaded, this),
t.off(S.ERROR, this.onError, this)
}
,
r.destroy = function() {
this._unregisterListeners(),
this.steering = null,
this.resetLevels(),
t.prototype.destroy.call(this)
}
,
r.startLoad = function() {
this._levels.forEach((function(t) {
t.loadError = 0,
t.fragmentError = 0
}
)),
t.prototype.startLoad.call(this)
}
,
r.resetLevels = function() {
this._startLevel = void 0,
this.manualLevelIndex = -1,
this.currentLevelIndex = -1,
this.currentLevel = null,
this._levels = []
}
,
r.onManifestLoading = function(t, e) {
this.resetLevels()
}
,
r.onManifestLoaded = function(t, e) {
var r, i = [], n = {};
e.levels.forEach((function(t) {
var e, a = t.attrs;
-1 !== (null == (e = t.audioCodec) ? void 0 : e.indexOf("mp4a.40.34")) && (tr || (tr = /chrome|firefox/i.test(navigator.userAgent)),
tr && (t.audioCodec = void 0));
var s = a.AUDIO
, o = a.CODECS
, l = a["FRAME-RATE"]
, u = a["PATHWAY-ID"]
, h = a.RESOLUTION
, d = a.SUBTITLES
, c = (u || ".") + "-" + t.bitrate + "-" + h + "-" + l + "-" + o;
(r = n[c]) ? r.addFallback(t) : (r = new Ne(t),
n[c] = r,
i.push(r)),
dr(r, "audio", s),
dr(r, "text", d)
}
)),
this.filterAndSortMediaOptions(i, e)
}
,
r.filterAndSortMediaOptions = function(t, e) {
var r = this
, i = []
, n = []
, a = !1
, s = !1
, o = !1
, l = t.filter((function(t) {
var e = t.audioCodec
, r = t.videoCodec
, i = t.width
, n = t.height
, l = t.unknownCodecs;
return a || (a = !(!i || !n)),
s || (s = !!r),
o || (o = !!e),
!(null != l && l.length) && (!e || Qt(e, "audio")) && (!r || Qt(r, "video"))
}
));
if ((a || s) && o && (l = l.filter((function(t) {
var e = t.videoCodec
, r = t.width
, i = t.height;
return !!e || !(!r || !i)
}
))),
0 !== l.length) {
e.audioTracks && cr(i = e.audioTracks.filter((function(t) {
return !t.audioCodec || Qt(t.audioCodec, "audio")
}
))),
e.subtitles && cr(n = e.subtitles);
var u = l.slice(0);
l.sort((function(t, e) {
return t.attrs["HDCP-LEVEL"] !== e.attrs["HDCP-LEVEL"] ? (t.attrs["HDCP-LEVEL"] || "") > (e.attrs["HDCP-LEVEL"] || "") ? 1 : -1 : t.bitrate !== e.bitrate ? t.bitrate - e.bitrate : t.attrs["FRAME-RATE"] !== e.attrs["FRAME-RATE"] ? t.attrs.decimalFloatingPoint("FRAME-RATE") - e.attrs.decimalFloatingPoint("FRAME-RATE") : t.attrs.SCORE !== e.attrs.SCORE ? t.attrs.decimalFloatingPoint("SCORE") - e.attrs.decimalFloatingPoint("SCORE") : a && t.height !== e.height ? t.height - e.height : 0
}
));
var h = u[0];
if (this.steering && (l = this.steering.filterParsedLevels(l)).length !== u.length)
for (var d = 0; d < u.length; d++)
if (u[d].pathwayId === l[0].pathwayId) {
h = u[d];
break
}
this._levels = l;
for (var c = 0; c < l.length; c++)
if (l[c] === h) {
this._firstLevel = c,
this.log("manifest loaded, " + l.length + " level(s) found, first bitrate: " + h.bitrate);
break
}
var f = o && !s
, g = {
levels: l,
audioTracks: i,
subtitleTracks: n,
sessionData: e.sessionData,
sessionKeys: e.sessionKeys,
firstLevel: this._firstLevel,
stats: e.stats,
audio: o,
video: s,
altAudio: !f && i.some((function(t) {
return !!t.url
}
))
};
this.hls.trigger(S.MANIFEST_PARSED, g),
(this.hls.config.autoStartLoad || this.hls.forceStartLoad) && this.hls.startLoad(this.hls.config.startPosition)
} else
Promise.resolve().then((function() {
if (r.hls) {
var t = new Error("no level with compatible codecs found in manifest");
r.hls.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.MANIFEST_INCOMPATIBLE_CODECS_ERROR,
fatal: !0,
url: e.url,
error: t,
reason: t.message
})
}
}
))
}
,
r.onError = function(t, e) {
!e.fatal && e.context && e.context.type === de && e.context.level === this.level && this.checkRetry(e)
}
,
r.onFragLoaded = function(t, e) {
var r = e.frag;
if (void 0 !== r && r.type === ge) {
var i = this._levels[r.level];
void 0 !== i && (i.loadError = 0)
}
}
,
r.onLevelLoaded = function(t, e) {
var r, i, n = e.level, a = e.details, s = this._levels[n];
if (!s)
return this.warn("Invalid level index " + n),
void (null != (i = e.deliveryDirectives) && i.skip && (a.deltaUpdateFailed = !0));
n === this.currentLevelIndex ? (0 === s.fragmentError && (s.loadError = 0),
this.playlistLoaded(n, e, s.details)) : null != (r = e.deliveryDirectives) && r.skip && (a.deltaUpdateFailed = !0)
}
,
r.onAudioTrackSwitched = function(t, e) {
var r = this.currentLevel;
if (r) {
var i = this.hls.audioTracks[e.id].groupId;
if (r.audioGroupIds && r.audioGroupId !== i) {
for (var n = -1, a = 0; a < r.audioGroupIds.length; a++)
if (r.audioGroupIds[a] === i) {
n = a;
break
}
-1 !== n && n !== r.urlId && (r.urlId = n,
this.canLoad && this.startLoad())
}
}
}
,
r.loadPlaylist = function(e) {
t.prototype.loadPlaylist.call(this);
var r = this.currentLevelIndex
, i = this.currentLevel;
if (i && this.shouldLoadPlaylist(i)) {
var n = i.urlId
, a = i.uri;
if (e)
try {
a = e.addDirectives(a)
} catch (t) {
this.warn("Could not construct new URL with HLS Delivery Directives: " + t)
}
var s = i.attrs["PATHWAY-ID"];
this.log("Loading level index " + r + (void 0 !== (null == e ? void 0 : e.msn) ? " at sn " + e.msn + " part " + e.part : "") + " with" + (s ? " Pathway " + s : "") + " URI " + (n + 1) + "/" + i.url.length + " " + a),
this.clearTimer(),
this.hls.trigger(S.LEVEL_LOADING, {
url: a,
level: r,
id: n,
deliveryDirectives: e || null
})
}
}
,
r.removeLevel = function(t, e) {
var r = this
, i = function(t, r) {
return r !== e
}
, n = this._levels.filter((function(n, a) {
return a !== t || (n.url.length > 1 && void 0 !== e ? (n.url = n.url.filter(i),
n.audioGroupIds && (n.audioGroupIds = n.audioGroupIds.filter(i)),
n.textGroupIds && (n.textGroupIds = n.textGroupIds.filter(i)),
n.urlId = 0,
!0) : (r.steering && r.steering.removeLevel(n),
!1))
}
));
this.hls.trigger(S.LEVELS_UPDATED, {
levels: n
})
}
,
r.onLevelsUpdated = function(t, e) {
var r = e.levels;
r.forEach((function(t, e) {
var r = t.details;
null != r && r.fragments && r.fragments.forEach((function(t) {
t.level = e
}
))
}
)),
this._levels = r
}
,
a(e, [{
key: "levels",
get: function() {
return 0 === this._levels.length ? null : this._levels
}
}, {
key: "level",
get: function() {
return this.currentLevelIndex
},
set: function(t) {
var e = this._levels;
if (0 !== e.length) {
if (t < 0 || t >= e.length) {
var r = new Error("invalid level idx")
, i = t < 0;
if (this.hls.trigger(S.ERROR, {
type: L.OTHER_ERROR,
details: R.LEVEL_SWITCH_ERROR,
level: t,
fatal: i,
error: r,
reason: r.message
}),
i)
return;
t = Math.min(t, e.length - 1)
}
var n = this.currentLevelIndex
, a = this.currentLevel
, s = a ? a.attrs["PATHWAY-ID"] : void 0
, l = e[t]
, u = l.attrs["PATHWAY-ID"];
if (this.currentLevelIndex = t,
this.currentLevel = l,
n !== t || !l.details || !a || s !== u) {
this.log("Switching to level " + t + (u ? " with Pathway " + u : "") + " from level " + n + (s ? " with Pathway " + s : ""));
var h = o({}, l, {
level: t,
maxBitrate: l.maxBitrate,
attrs: l.attrs,
uri: l.uri,
urlId: l.urlId
});
delete h._attrs,
delete h._urlId,
this.hls.trigger(S.LEVEL_SWITCHING, h);
var d = l.details;
if (!d || d.live) {
var c = this.switchParams(l.uri, null == a ? void 0 : a.details);
this.loadPlaylist(c)
}
}
}
}
}, {
key: "manualLevel",
get: function() {
return this.manualLevelIndex
},
set: function(t) {
this.manualLevelIndex = t,
void 0 === this._startLevel && (this._startLevel = t),
-1 !== t && (this.level = t)
}
}, {
key: "firstLevel",
get: function() {
return this._firstLevel
},
set: function(t) {
this._firstLevel = t
}
}, {
key: "startLevel",
get: function() {
if (void 0 === this._startLevel) {
var t = this.hls.config.startLevel;
return void 0 !== t ? t : this._firstLevel
}
return this._startLevel
},
set: function(t) {
this._startLevel = t
}
}, {
key: "nextLoadLevel",
get: function() {
return -1 !== this.manualLevelIndex ? this.manualLevelIndex : this.hls.nextAutoLevel
},
set: function(t) {
this.level = t,
-1 === this.manualLevelIndex && (this.hls.nextAutoLevel = t)
}
}]),
e
}(ur);
function dr(t, e, r) {
r && ("audio" === e ? (t.audioGroupIds || (t.audioGroupIds = []),
t.audioGroupIds[t.url.length - 1] = r) : "text" === e && (t.textGroupIds || (t.textGroupIds = []),
t.textGroupIds[t.url.length - 1] = r))
}
function cr(t) {
var e = {};
t.forEach((function(t) {
var r = t.groupId || "";
t.id = e[r] = e[r] || 0,
e[r]++
}
))
}
var fr = "NOT_LOADED"
, gr = "APPENDING"
, vr = "PARTIAL"
, mr = "OK"
, pr = function() {
function t(t) {
this.activePartLists = Object.create(null),
this.endListFragments = Object.create(null),
this.fragments = Object.create(null),
this.timeRanges = Object.create(null),
this.bufferPadding = .2,
this.hls = void 0,
this.hasGaps = !1,
this.hls = t,
this._registerListeners()
}
var e = t.prototype;
return e._registerListeners = function() {
var t = this.hls;
t.on(S.BUFFER_APPENDED, this.onBufferAppended, this),
t.on(S.FRAG_BUFFERED, this.onFragBuffered, this),
t.on(S.FRAG_LOADED, this.onFragLoaded, this)
}
,
e._unregisterListeners = function() {
var t = this.hls;
t.off(S.BUFFER_APPENDED, this.onBufferAppended, this),
t.off(S.FRAG_BUFFERED, this.onFragBuffered, this),
t.off(S.FRAG_LOADED, this.onFragLoaded, this)
}
,
e.destroy = function() {
this._unregisterListeners(),
this.fragments = this.activePartLists = this.endListFragments = this.timeRanges = null
}
,
e.getAppendedFrag = function(t, e) {
var r = this.activePartLists[e];
if (r)
for (var i = r.length; i--; ) {
var n = r[i];
if (!n)
break;
var a = n.end;
if (n.start <= t && null !== a && t <= a)
return n
}
return this.getBufferedFrag(t, e)
}
,
e.getBufferedFrag = function(t, e) {
for (var r = this.fragments, i = Object.keys(r), n = i.length; n--; ) {
var a = r[i[n]];
if ((null == a ? void 0 : a.body.type) === e && a.buffered) {
var s = a.body;
if (s.start <= t && t <= s.end)
return s
}
}
return null
}
,
e.detectEvictedFragments = function(t, e, r, i) {
var n = this;
this.timeRanges && (this.timeRanges[t] = e);
var a = (null == i ? void 0 : i.fragment.sn) || -1;
Object.keys(this.fragments).forEach((function(i) {
var s = n.fragments[i];
if (s && !(a >= s.body.sn))
if (s.buffered || s.loaded) {
var o = s.range[t];
o && o.time.some((function(t) {
var r = !n.isTimeBuffered(t.startPTS, t.endPTS, e);
return r && n.removeFragment(s.body),
r
}
))
} else
s.body.type === r && n.removeFragment(s.body)
}
))
}
,
e.detectPartialFragments = function(t) {
var e = this
, r = this.timeRanges
, i = t.frag
, n = t.part;
if (r && "initSegment" !== i.sn) {
var a = Tr(i)
, s = this.fragments[a];
if (!(!s || s.buffered && i.gap)) {
var o = !i.relurl;
Object.keys(r).forEach((function(t) {
var a = i.elementaryStreams[t];
if (a) {
var l = r[t]
, u = o || !0 === a.partial;
s.range[t] = e.getBufferedTimes(i, n, u, l)
}
}
)),
s.loaded = null,
Object.keys(s.range).length ? (s.buffered = !0,
(s.body.endList = i.endList || s.body.endList) && (this.endListFragments[s.body.type] = s),
yr(s) || this.removeParts(i.sn - 1, i.type)) : this.removeFragment(s.body)
}
}
}
,
e.removeParts = function(t, e) {
var r = this.activePartLists[e];
r && (this.activePartLists[e] = r.filter((function(e) {
return e.fragment.sn >= t
}
)))
}
,
e.fragBuffered = function(t, e) {
var r = Tr(t)
, i = this.fragments[r];
!i && e && (i = this.fragments[r] = {
body: t,
appendedPTS: null,
loaded: null,
buffered: !1,
range: Object.create(null)
},
t.gap && (this.hasGaps = !0)),
i && (i.loaded = null,
i.buffered = !0)
}
,
e.getBufferedTimes = function(t, e, r, i) {
for (var n = {
time: [],
partial: r
}, a = t.start, s = t.end, o = t.minEndPTS || s, l = t.maxStartPTS || a, u = 0; u < i.length; u++) {
var h = i.start(u) - this.bufferPadding
, d = i.end(u) + this.bufferPadding;
if (l >= h && o <= d) {
n.time.push({
startPTS: Math.max(a, i.start(u)),
endPTS: Math.min(s, i.end(u))
});
break
}
if (a < d && s > h)
n.partial = !0,
n.time.push({
startPTS: Math.max(a, i.start(u)),
endPTS: Math.min(s, i.end(u))
});
else if (s <= h)
break
}
return n
}
,
e.getPartialFragment = function(t) {
var e, r, i, n = null, a = 0, s = this.bufferPadding, o = this.fragments;
return Object.keys(o).forEach((function(l) {
var u = o[l];
u && yr(u) && (r = u.body.start - s,
i = u.body.end + s,
t >= r && t <= i && (e = Math.min(t - r, i - t),
a <= e && (n = u.body,
a = e)))
}
)),
n
}
,
e.isEndListAppended = function(t) {
var e = this.endListFragments[t];
return void 0 !== e && (e.buffered || yr(e))
}
,
e.getState = function(t) {
var e = Tr(t)
, r = this.fragments[e];
return r ? r.buffered ? yr(r) ? vr : mr : gr : fr
}
,
e.isTimeBuffered = function(t, e, r) {
for (var i, n, a = 0; a < r.length; a++) {
if (i = r.start(a) - this.bufferPadding,
n = r.end(a) + this.bufferPadding,
t >= i && e <= n)
return !0;
if (e <= i)
return !1
}
return !1
}
,
e.onFragLoaded = function(t, e) {
var r = e.frag
, i = e.part;
if ("initSegment" !== r.sn && !r.bitrateTest) {
var n = i ? null : e
, a = Tr(r);
this.fragments[a] = {
body: r,
appendedPTS: null,
loaded: n,
buffered: !1,
range: Object.create(null)
}
}
}
,
e.onBufferAppended = function(t, e) {
var r = this
, i = e.frag
, n = e.part
, a = e.timeRanges;
if ("initSegment" !== i.sn) {
var s = i.type;
if (n) {
var o = this.activePartLists[s];
o || (this.activePartLists[s] = o = []),
o.push(n)
}
this.timeRanges = a,
Object.keys(a).forEach((function(t) {
var e = a[t];
r.detectEvictedFragments(t, e, s, n)
}
))
}
}
,
e.onFragBuffered = function(t, e) {
this.detectPartialFragments(e)
}
,
e.hasFragment = function(t) {
var e = Tr(t);
return !!this.fragments[e]
}
,
e.hasParts = function(t) {
var e;
return !(null == (e = this.activePartLists[t]) || !e.length)
}
,
e.removeFragmentsInRange = function(t, e, r, i, n) {
var a = this;
i && !this.hasGaps || Object.keys(this.fragments).forEach((function(s) {
var o = a.fragments[s];
if (o) {
var l = o.body;
l.type !== r || i && !l.gap || l.start < e && l.end > t && (o.buffered || n) && a.removeFragment(l)
}
}
))
}
,
e.removeFragment = function(t) {
var e = Tr(t);
t.stats.loaded = 0,
t.clearElementaryStreamInfo();
var r = this.activePartLists[t.type];
if (r) {
var i = t.sn;
this.activePartLists[t.type] = r.filter((function(t) {
return t.fragment.sn !== i
}
))
}
delete this.fragments[e],
t.endList && delete this.endListFragments[t.type]
}
,
e.removeAllFragments = function() {
this.fragments = Object.create(null),
this.endListFragments = Object.create(null),
this.activePartLists = Object.create(null),
this.hasGaps = !1
}
,
t
}();
function yr(t) {
var e, r, i;
return t.buffered && (t.body.gap || (null == (e = t.range.video) ? void 0 : e.partial) || (null == (r = t.range.audio) ? void 0 : r.partial) || (null == (i = t.range.audiovideo) ? void 0 : i.partial))
}
function Tr(t) {
return t.type + "_" + t.level + "_" + t.urlId + "_" + t.sn
}
var Er = Math.pow(2, 17)
, Sr = function() {
function t(t) {
this.config = void 0,
this.loader = null,
this.partLoadTimeout = -1,
this.config = t
}
var e = t.prototype;
return e.destroy = function() {
this.loader && (this.loader.destroy(),
this.loader = null)
}
,
e.abort = function() {
this.loader && this.loader.abort()
}
,
e.load = function(t, e) {
var r = this
, n = t.url;
if (!n)
return Promise.reject(new Ar({
type: L.NETWORK_ERROR,
details: R.FRAG_LOAD_ERROR,
fatal: !1,
frag: t,
error: new Error("Fragment does not have a " + (n ? "part list" : "url")),
networkDetails: null
}));
this.abort();
var a = this.config
, s = a.fLoader
, o = a.loader;
return new Promise((function(l, u) {
if (r.loader && r.loader.destroy(),
t.gap) {
if (t.tagList.some((function(t) {
return "GAP" === t[0]
}
)))
return void u(Rr(t));
t.gap = !1
}
var h = r.loader = t.loader = s ? new s(a) : new o(a)
, d = Lr(t)
, c = Xe(a.fragLoadPolicy.default)
, f = {
loadPolicy: c,
timeout: c.maxLoadTimeMs,
maxRetry: 0,
retryDelay: 0,
maxRetryDelay: 0,
highWaterMark: "initSegment" === t.sn ? 1 / 0 : Er
};
t.stats = h.stats,
h.load(d, f, {
onSuccess: function(e, i, n, a) {
r.resetLoader(t, h);
var s = e.data;
n.resetIV && t.decryptdata && (t.decryptdata.iv = new Uint8Array(s.slice(0, 16)),
s = s.slice(16)),
l({
frag: t,
part: null,
payload: s,
networkDetails: a
})
},
onError: function(e, a, s, o) {
r.resetLoader(t, h),
u(new Ar({
type: L.NETWORK_ERROR,
details: R.FRAG_LOAD_ERROR,
fatal: !1,
frag: t,
response: i({
url: n,
data: void 0
}, e),
error: new Error("HTTP Error " + e.code + " " + e.text),
networkDetails: s,
stats: o
}))
},
onAbort: function(e, i, n) {
r.resetLoader(t, h),
u(new Ar({
type: L.NETWORK_ERROR,
details: R.INTERNAL_ABORTED,
fatal: !1,
frag: t,
error: new Error("Aborted"),
networkDetails: n,
stats: e
}))
},
onTimeout: function(e, i, n) {
r.resetLoader(t, h),
u(new Ar({
type: L.NETWORK_ERROR,
details: R.FRAG_LOAD_TIMEOUT,
fatal: !1,
frag: t,
error: new Error("Timeout after " + f.timeout + "ms"),
networkDetails: n,
stats: e
}))
},
onProgress: function(r, i, n, a) {
e && e({
frag: t,
part: null,
payload: n,
networkDetails: a
})
}
})
}
))
}
,
e.loadPart = function(t, e, r) {
var n = this;
this.abort();
var a = this.config
, s = a.fLoader
, o = a.loader;
return new Promise((function(l, u) {
if (n.loader && n.loader.destroy(),
t.gap || e.gap)
u(Rr(t, e));
else {
var h = n.loader = t.loader = s ? new s(a) : new o(a)
, d = Lr(t, e)
, c = Xe(a.fragLoadPolicy.default)
, f = {
loadPolicy: c,
timeout: c.maxLoadTimeMs,
maxRetry: 0,
retryDelay: 0,
maxRetryDelay: 0,
highWaterMark: Er
};
e.stats = h.stats,
h.load(d, f, {
onSuccess: function(i, a, s, o) {
n.resetLoader(t, h),
n.updateStatsFromPart(t, e);
var u = {
frag: t,
part: e,
payload: i.data,
networkDetails: o
};
r(u),
l(u)
},
onError: function(r, a, s, o) {
n.resetLoader(t, h),
u(new Ar({
type: L.NETWORK_ERROR,
details: R.FRAG_LOAD_ERROR,
fatal: !1,
frag: t,
part: e,
response: i({
url: d.url,
data: void 0
}, r),
error: new Error("HTTP Error " + r.code + " " + r.text),
networkDetails: s,
stats: o
}))
},
onAbort: function(r, i, a) {
t.stats.aborted = e.stats.aborted,
n.resetLoader(t, h),
u(new Ar({
type: L.NETWORK_ERROR,
details: R.INTERNAL_ABORTED,
fatal: !1,
frag: t,
part: e,
error: new Error("Aborted"),
networkDetails: a,
stats: r
}))
},
onTimeout: function(r, i, a) {
n.resetLoader(t, h),
u(new Ar({
type: L.NETWORK_ERROR,
details: R.FRAG_LOAD_TIMEOUT,
fatal: !1,
frag: t,
part: e,
error: new Error("Timeout after " + f.timeout + "ms"),
networkDetails: a,
stats: r
}))
}
})
}
}
))
}
,
e.updateStatsFromPart = function(t, e) {
var r = t.stats
, i = e.stats
, n = i.total;
if (r.loaded += i.loaded,
n) {
var a = Math.round(t.duration / e.duration)
, s = Math.min(Math.round(r.loaded / n), a)
, o = (a - s) * Math.round(r.loaded / s);
r.total = r.loaded + o
} else
r.total = Math.max(r.loaded, r.total);
var l = r.loading
, u = i.loading;
l.start ? l.first += u.first - u.start : (l.start = u.start,
l.first = u.first),
l.end = u.end
}
,
e.resetLoader = function(t, e) {
t.loader = null,
this.loader === e && (self.clearTimeout(this.partLoadTimeout),
this.loader = null),
e.destroy()
}
,
t
}();
function Lr(t, e) {
void 0 === e && (e = null);
var r = e || t
, i = {
frag: t,
part: e,
responseType: "arraybuffer",
url: r.url,
headers: {},
rangeStart: 0,
rangeEnd: 0
}
, n = r.byteRangeStartOffset
, a = r.byteRangeEndOffset;
if (E(n) && E(a)) {
var s, o = n, l = a;
if ("initSegment" === t.sn && "AES-128" === (null == (s = t.decryptdata) ? void 0 : s.method)) {
var u = a - n;
u % 16 && (l = a + (16 - u % 16)),
0 !== n && (i.resetIV = !0,
o = n - 16)
}
i.rangeStart = o,
i.rangeEnd = l
}
return i
}
function Rr(t, e) {
var r = new Error("GAP " + (t.gap ? "tag" : "attribute") + " found")
, i = {
type: L.MEDIA_ERROR,
details: R.FRAG_GAP,
fatal: !1,
frag: t,
error: r,
networkDetails: null
};
return e && (i.part = e),
(e || t).stats.aborted = !0,
new Ar(i)
}
var Ar = function(t) {
function e(e) {
var r;
return (r = t.call(this, e.error.message) || this).data = void 0,
r.data = e,
r
}
return l(e, t),
e
}(f(Error))
, kr = function() {
function t(t) {
this.config = void 0,
this.keyUriToKeyInfo = {},
this.emeController = null,
this.config = t
}
var e = t.prototype;
return e.abort = function(t) {
for (var e in this.keyUriToKeyInfo) {
var r = this.keyUriToKeyInfo[e].loader;
if (r) {
if (t && t !== r.context.frag.type)
return;
r.abort()
}
}
}
,
e.detach = function() {
for (var t in this.keyUriToKeyInfo) {
var e = this.keyUriToKeyInfo[t];
(e.mediaKeySessionContext || e.decryptdata.isCommonEncryption) && delete this.keyUriToKeyInfo[t]
}
}
,
e.destroy = function() {
for (var t in this.detach(),
this.keyUriToKeyInfo) {
var e = this.keyUriToKeyInfo[t].loader;
e && e.destroy()
}
this.keyUriToKeyInfo = {}
}
,
e.createKeyLoadError = function(t, e, r, i, n) {
return void 0 === e && (e = R.KEY_LOAD_ERROR),
new Ar({
type: L.NETWORK_ERROR,
details: e,
fatal: !1,
frag: t,
response: n,
error: r,
networkDetails: i
})
}
,
e.loadClear = function(t, e) {
var r = this;
if (this.emeController && this.config.emeEnabled)
for (var i = t.sn, n = t.cc, a = function() {
var t = e[s];
if (n <= t.cc && ("initSegment" === i || "initSegment" === t.sn || i < t.sn))
return r.emeController.selectKeySystemFormat(t).then((function(e) {
t.setKeyFormat(e)
}
)),
"break"
}, s = 0; s < e.length && "break" !== a(); s++)
;
}
,
e.load = function(t) {
var e = this;
return !t.decryptdata && t.encrypted && this.emeController ? this.emeController.selectKeySystemFormat(t).then((function(r) {
return e.loadInternal(t, r)
}
)) : this.loadInternal(t)
}
,
e.loadInternal = function(t, e) {
var r, i;
e && t.setKeyFormat(e);
var n = t.decryptdata;
if (!n) {
var a = new Error(e ? "Expected frag.decryptdata to be defined after setting format " + e : "Missing decryption data on fragment in onKeyLoading");
return Promise.reject(this.createKeyLoadError(t, R.KEY_LOAD_ERROR, a))
}
var s = n.uri;
if (!s)
return Promise.reject(this.createKeyLoadError(t, R.KEY_LOAD_ERROR, new Error('Invalid key URI: "' + s + '"')));
var o, l = this.keyUriToKeyInfo[s];
if (null != (r = l) && r.decryptdata.key)
return n.key = l.decryptdata.key,
Promise.resolve({
frag: t,
keyInfo: l
});
if (null != (i = l) && i.keyLoadPromise)
switch (null == (o = l.mediaKeySessionContext) ? void 0 : o.keyStatus) {
case void 0:
case "status-pending":
case "usable":
case "usable-in-future":
return l.keyLoadPromise.then((function(e) {
return n.key = e.keyInfo.decryptdata.key,
{
frag: t,
keyInfo: l
}
}
))
}
switch (l = this.keyUriToKeyInfo[s] = {
decryptdata: n,
keyLoadPromise: null,
loader: null,
mediaKeySessionContext: null
},
n.method) {
case "ISO-23001-7":
case "SAMPLE-AES":
case "SAMPLE-AES-CENC":
case "SAMPLE-AES-CTR":
return "identity" === n.keyFormat ? this.loadKeyHTTP(l, t) : this.loadKeyEME(l, t);
case "AES-128":
return this.loadKeyHTTP(l, t);
default:
return Promise.reject(this.createKeyLoadError(t, R.KEY_LOAD_ERROR, new Error('Key supplied with unsupported METHOD: "' + n.method + '"')))
}
}
,
e.loadKeyEME = function(t, e) {
var r = {
frag: e,
keyInfo: t
};
if (this.emeController && this.config.emeEnabled) {
var i = this.emeController.loadKey(r);
if (i)
return (t.keyLoadPromise = i.then((function(e) {
return t.mediaKeySessionContext = e,
r
}
))).catch((function(e) {
throw t.keyLoadPromise = null,
e
}
))
}
return Promise.resolve(r)
}
,
e.loadKeyHTTP = function(t, e) {
var r = this
, n = this.config
, a = new (0,
n.loader)(n);
return e.keyLoader = t.loader = a,
t.keyLoadPromise = new Promise((function(s, o) {
var l = {
keyInfo: t,
frag: e,
responseType: "arraybuffer",
url: t.decryptdata.uri
}
, u = n.keyLoadPolicy.default
, h = {
loadPolicy: u,
timeout: u.maxLoadTimeMs,
maxRetry: 0,
retryDelay: 0,
maxRetryDelay: 0
}
, d = {
onSuccess: function(t, e, i, n) {
var a = i.frag
, l = i.keyInfo
, u = i.url;
if (!a.decryptdata || l !== r.keyUriToKeyInfo[u])
return o(r.createKeyLoadError(a, R.KEY_LOAD_ERROR, new Error("after key load, decryptdata unset or changed"), n));
l.decryptdata.key = a.decryptdata.key = new Uint8Array(t.data),
a.keyLoader = null,
l.loader = null,
s({
frag: a,
keyInfo: l
})
},
onError: function(t, n, a, s) {
r.resetLoader(n),
o(r.createKeyLoadError(e, R.KEY_LOAD_ERROR, new Error("HTTP Error " + t.code + " loading key " + t.text), a, i({
url: l.url,
data: void 0
}, t)))
},
onTimeout: function(t, i, n) {
r.resetLoader(i),
o(r.createKeyLoadError(e, R.KEY_LOAD_TIMEOUT, new Error("key loading timed out"), n))
},
onAbort: function(t, i, n) {
r.resetLoader(i),
o(r.createKeyLoadError(e, R.INTERNAL_ABORTED, new Error("key loading aborted"), n))
}
};
a.load(l, h, d)
}
))
}
,
e.resetLoader = function(t) {
var e = t.frag
, r = t.keyInfo
, i = t.url
, n = r.loader;
e.keyLoader === n && (e.keyLoader = null,
r.loader = null),
delete this.keyUriToKeyInfo[i],
n && n.destroy()
}
,
t
}()
, br = function() {
function t() {
this._boundTick = void 0,
this._tickTimer = null,
this._tickInterval = null,
this._tickCallCount = 0,
this._boundTick = this.tick.bind(this)
}
var e = t.prototype;
return e.destroy = function() {
this.onHandlerDestroying(),
this.onHandlerDestroyed()
}
,
e.onHandlerDestroying = function() {
this.clearNextTick(),
this.clearInterval()
}
,
e.onHandlerDestroyed = function() {}
,
e.hasInterval = function() {
return !!this._tickInterval
}
,
e.hasNextTick = function() {
return !!this._tickTimer
}
,
e.setInterval = function(t) {
return !this._tickInterval && (this._tickCallCount = 0,
this._tickInterval = self.setInterval(this._boundTick, t),
!0)
}
,
e.clearInterval = function() {
return !!this._tickInterval && (self.clearInterval(this._tickInterval),
this._tickInterval = null,
!0)
}
,
e.clearNextTick = function() {
return !!this._tickTimer && (self.clearTimeout(this._tickTimer),
this._tickTimer = null,
!0)
}
,
e.tick = function() {
this._tickCallCount++,
1 === this._tickCallCount && (this.doTick(),
this._tickCallCount > 1 && this.tickImmediate(),
this._tickCallCount = 0)
}
,
e.tickImmediate = function() {
this.clearNextTick(),
this._tickTimer = self.setTimeout(this._boundTick, 0)
}
,
e.doTick = function() {}
,
t
}()
, Dr = {
length: 0,
start: function() {
return 0
},
end: function() {
return 0
}
}
, Ir = function() {
function t() {}
return t.isBuffered = function(e, r) {
try {
if (e)
for (var i = t.getBuffered(e), n = 0; n < i.length; n++)
if (r >= i.start(n) && r <= i.end(n))
return !0
} catch (t) {}
return !1
}
,
t.bufferInfo = function(e, r, i) {
try {
if (e) {
var n, a = t.getBuffered(e), s = [];
for (n = 0; n < a.length; n++)
s.push({
start: a.start(n),
end: a.end(n)
});
return this.bufferedInfo(s, r, i)
}
} catch (t) {}
return {
len: 0,
start: r,
end: r,
nextStart: void 0
}
}
,
t.bufferedInfo = function(t, e, r) {
e = Math.max(0, e),
t.sort((function(t, e) {
var r = t.start - e.start;
return r || e.end - t.end
}
));
var i = [];
if (r)
for (var n = 0; n < t.length; n++) {
var a = i.length;
if (a) {
var s = i[a - 1].end;
t[n].start - s < r ? t[n].end > s && (i[a - 1].end = t[n].end) : i.push(t[n])
} else
i.push(t[n])
}
else
i = t;
for (var o, l = 0, u = e, h = e, d = 0; d < i.length; d++) {
var c = i[d].start
, f = i[d].end;
if (e + r >= c && e < f)
u = c,
l = (h = f) - e;
else if (e + r < c) {
o = c;
break
}
}
return {
len: l,
start: u || 0,
end: h || 0,
nextStart: o
}
}
,
t.getBuffered = function(t) {
try {
return t.buffered
} catch (t) {
return w.log("failed to get media.buffered", t),
Dr
}
}
,
t
}()
, wr = function(t, e, r, i, n, a) {
void 0 === i && (i = 0),
void 0 === n && (n = -1),
void 0 === a && (a = !1),
this.level = void 0,
this.sn = void 0,
this.part = void 0,
this.id = void 0,
this.size = void 0,
this.partial = void 0,
this.transmuxing = {
start: 0,
executeStart: 0,
executeEnd: 0,
end: 0
},
this.buffering = {
audio: {
start: 0,
executeStart: 0,
executeEnd: 0,
end: 0
},
video: {
start: 0,
executeStart: 0,
executeEnd: 0,
end: 0
},
audiovideo: {
start: 0,
executeStart: 0,
executeEnd: 0,
end: 0
}
},
this.level = t,
this.sn = e,
this.id = r,
this.size = i,
this.part = n,
this.partial = a
};
function Cr(t, e) {
for (var r = null, i = 0, n = t.length; i < n; i++) {
var a = t[i];
if (a && a.cc === e) {
r = a;
break
}
}
return r
}
function _r(t, e) {
if (t) {
var r = t.start + e;
t.start = t.startPTS = r,
t.endPTS = r + t.duration
}
}
function Pr(t, e) {
for (var r = e.fragments, i = 0, n = r.length; i < n; i++)
_r(r[i], t);
e.fragmentHint && _r(e.fragmentHint, t),
e.alignedSliding = !0
}
function xr(t, e, r) {
e && (function(t, e, r) {
if (function(t, e, r) {
return !(!e.details || !(r.endCC > r.startCC || t && t.cc < r.startCC))
}(t, r, e)) {
var i = function(t, e, r) {
var i = t.fragments
, n = e.fragments;
if (n.length && i.length) {
var a = Cr(i, n[0].cc);
if (a && (!a || a.startPTS))
return a;
w.log("No frag in previous level to align on")
} else
w.log("No fragments to align")
}(r.details, e);
i && E(i.start) && (w.log("Adjusting PTS using last level due to CC increase within current level " + e.url),
Pr(i.start, e))
}
}(t, r, e),
!r.alignedSliding && e.details && function(t, e) {
if (e.fragments.length && t.hasProgramDateTime && e.hasProgramDateTime) {
var r = e.fragments[0].programDateTime
, i = t.fragments[0].programDateTime
, n = (i - r) / 1e3 + e.fragments[0].start;
n && E(n) && (w.log("Adjusting PTS using programDateTime delta " + (i - r) + "ms, sliding:" + n.toFixed(3) + " " + t.url + " "),
Pr(n, t))
}
}(r, e.details),
r.alignedSliding || !e.details || r.skippedSegments || Ke(e.details, r))
}
function Fr(t, e) {
if (t.hasProgramDateTime && e.hasProgramDateTime) {
var r = t.fragments
, i = e.fragments;
if (r.length && i.length) {
var n = i[Math.round(i.length / 2) - 1]
, a = Cr(r, n.cc) || r[Math.round(r.length / 2) - 1]
, s = n.programDateTime
, o = a.programDateTime;
null !== s && null !== o && Pr((o - s) / 1e3 - (a.start - n.start), t)
}
}
}
var Mr = function() {
function t(t, e) {
this.subtle = void 0,
this.aesIV = void 0,
this.subtle = t,
this.aesIV = e
}
return t.prototype.decrypt = function(t, e) {
return this.subtle.decrypt({
name: "AES-CBC",
iv: this.aesIV
}, e, t)
}
,
t
}()
, Or = function() {
function t(t, e) {
this.subtle = void 0,
this.key = void 0,
this.subtle = t,
this.key = e
}
return t.prototype.expandKey = function() {
return this.subtle.importKey("raw", this.key, {
name: "AES-CBC"
}, !1, ["encrypt", "decrypt"])
}
,
t
}()
, Nr = function() {
function t() {
this.rcon = [0, 1, 2, 4, 8, 16, 32, 64, 128, 27, 54],
this.subMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)],
this.invSubMix = [new Uint32Array(256), new Uint32Array(256), new Uint32Array(256), new Uint32Array(256)],
this.sBox = new Uint32Array(256),
this.invSBox = new Uint32Array(256),
this.key = new Uint32Array(0),
this.ksRows = 0,
this.keySize = 0,
this.keySchedule = void 0,
this.invKeySchedule = void 0,
this.initTable()
}
var e = t.prototype;
return e.uint8ArrayToUint32Array_ = function(t) {
for (var e = new DataView(t), r = new Uint32Array(4), i = 0; i < 4; i++)
r[i] = e.getUint32(4 * i);
return r
}
,
e.initTable = function() {
var t = this.sBox
, e = this.invSBox
, r = this.subMix
, i = r[0]
, n = r[1]
, a = r[2]
, s = r[3]
, o = this.invSubMix
, l = o[0]
, u = o[1]
, h = o[2]
, d = o[3]
, c = new Uint32Array(256)
, f = 0
, g = 0
, v = 0;
for (v = 0; v < 256; v++)
c[v] = v < 128 ? v << 1 : v << 1 ^ 283;
for (v = 0; v < 256; v++) {
var m = g ^ g << 1 ^ g << 2 ^ g << 3 ^ g << 4;
m = m >>> 8 ^ 255 & m ^ 99,
t[f] = m,
e[m] = f;
var p = c[f]
, y = c[p]
, T = c[y]
, E = 257 * c[m] ^ 16843008 * m;
i[f] = E << 24 | E >>> 8,
n[f] = E << 16 | E >>> 16,
a[f] = E << 8 | E >>> 24,
s[f] = E,
E = 16843009 * T ^ 65537 * y ^ 257 * p ^ 16843008 * f,
l[m] = E << 24 | E >>> 8,
u[m] = E << 16 | E >>> 16,
h[m] = E << 8 | E >>> 24,
d[m] = E,
f ? (f = p ^ c[c[c[T ^ p]]],
g ^= c[c[g]]) : f = g = 1
}
}
,
e.expandKey = function(t) {
for (var e = this.uint8ArrayToUint32Array_(t), r = !0, i = 0; i < e.length && r; )
r = e[i] === this.key[i],
i++;
if (!r) {
this.key = e;
var n = this.keySize = e.length;
if (4 !== n && 6 !== n && 8 !== n)
throw new Error("Invalid aes key size=" + n);
var a, s, o, l, u = this.ksRows = 4 * (n + 6 + 1), h = this.keySchedule = new Uint32Array(u), d = this.invKeySchedule = new Uint32Array(u), c = this.sBox, f = this.rcon, g = this.invSubMix, v = g[0], m = g[1], p = g[2], y = g[3];
for (a = 0; a < u; a++)
a < n ? o = h[a] = e[a] : (l = o,
a % n == 0 ? (l = c[(l = l << 8 | l >>> 24) >>> 24] << 24 | c[l >>> 16 & 255] << 16 | c[l >>> 8 & 255] << 8 | c[255 & l],
l ^= f[a / n | 0] << 24) : n > 6 && a % n == 4 && (l = c[l >>> 24] << 24 | c[l >>> 16 & 255] << 16 | c[l >>> 8 & 255] << 8 | c[255 & l]),
h[a] = o = (h[a - n] ^ l) >>> 0);
for (s = 0; s < u; s++)
a = u - s,
l = 3 & s ? h[a] : h[a - 4],
d[s] = s < 4 || a <= 4 ? l : v[c[l >>> 24]] ^ m[c[l >>> 16 & 255]] ^ p[c[l >>> 8 & 255]] ^ y[c[255 & l]],
d[s] = d[s] >>> 0
}
}
,
e.networkToHostOrderSwap = function(t) {
return t << 24 | (65280 & t) << 8 | (16711680 & t) >> 8 | t >>> 24
}
,
e.decrypt = function(t, e, r) {
for (var i, n, a, s, o, l, u, h, d, c, f, g, v, m, p = this.keySize + 6, y = this.invKeySchedule, T = this.invSBox, E = this.invSubMix, S = E[0], L = E[1], R = E[2], A = E[3], k = this.uint8ArrayToUint32Array_(r), b = k[0], D = k[1], I = k[2], w = k[3], C = new Int32Array(t), _ = new Int32Array(C.length), P = this.networkToHostOrderSwap; e < C.length; ) {
for (d = P(C[e]),
c = P(C[e + 1]),
f = P(C[e + 2]),
g = P(C[e + 3]),
o = d ^ y[0],
l = g ^ y[1],
u = f ^ y[2],
h = c ^ y[3],
v = 4,
m = 1; m < p; m++)
i = S[o >>> 24] ^ L[l >> 16 & 255] ^ R[u >> 8 & 255] ^ A[255 & h] ^ y[v],
n = S[l >>> 24] ^ L[u >> 16 & 255] ^ R[h >> 8 & 255] ^ A[255 & o] ^ y[v + 1],
a = S[u >>> 24] ^ L[h >> 16 & 255] ^ R[o >> 8 & 255] ^ A[255 & l] ^ y[v + 2],
s = S[h >>> 24] ^ L[o >> 16 & 255] ^ R[l >> 8 & 255] ^ A[255 & u] ^ y[v + 3],
o = i,
l = n,
u = a,
h = s,
v += 4;
i = T[o >>> 24] << 24 ^ T[l >> 16 & 255] << 16 ^ T[u >> 8 & 255] << 8 ^ T[255 & h] ^ y[v],
n = T[l >>> 24] << 24 ^ T[u >> 16 & 255] << 16 ^ T[h >> 8 & 255] << 8 ^ T[255 & o] ^ y[v + 1],
a = T[u >>> 24] << 24 ^ T[h >> 16 & 255] << 16 ^ T[o >> 8 & 255] << 8 ^ T[255 & l] ^ y[v + 2],
s = T[h >>> 24] << 24 ^ T[o >> 16 & 255] << 16 ^ T[l >> 8 & 255] << 8 ^ T[255 & u] ^ y[v + 3],
_[e] = P(i ^ b),
_[e + 1] = P(s ^ D),
_[e + 2] = P(a ^ I),
_[e + 3] = P(n ^ w),
b = d,
D = c,
I = f,
w = g,
e += 4
}
return _.buffer
}
,
t
}()
, Ur = function() {
function t(t, e) {
var r = (void 0 === e ? {} : e).removePKCS7Padding
, i = void 0 === r || r;
if (this.logEnabled = !0,
this.removePKCS7Padding = void 0,
this.subtle = null,
this.softwareDecrypter = null,
this.key = null,
this.fastAesKey = null,
this.remainderData = null,
this.currentIV = null,
this.currentResult = null,
this.useSoftware = void 0,
this.useSoftware = t.enableSoftwareAES,
this.removePKCS7Padding = i,
i)
try {
var n = self.crypto;
n && (this.subtle = n.subtle || n.webkitSubtle)
} catch (t) {}
null === this.subtle && (this.useSoftware = !0)
}
var e = t.prototype;
return e.destroy = function() {
this.subtle = null,
this.softwareDecrypter = null,
this.key = null,
this.fastAesKey = null,
this.remainderData = null,
this.currentIV = null,
this.currentResult = null
}
,
e.isSync = function() {
return this.useSoftware
}
,
e.flush = function() {
var t = this.currentResult
, e = this.remainderData;
if (!t || e)
return this.reset(),
null;
var r, i, n, a = new Uint8Array(t);
return this.reset(),
this.removePKCS7Padding ? (i = (r = a).byteLength,
(n = i && new DataView(r.buffer).getUint8(i - 1)) ? rt(r, 0, i - n) : r) : a
}
,
e.reset = function() {
this.currentResult = null,
this.currentIV = null,
this.remainderData = null,
this.softwareDecrypter && (this.softwareDecrypter = null)
}
,
e.decrypt = function(t, e, r) {
var i = this;
return this.useSoftware ? new Promise((function(n, a) {
i.softwareDecrypt(new Uint8Array(t), e, r);
var s = i.flush();
s ? n(s.buffer) : a(new Error("[softwareDecrypt] Failed to decrypt data"))
}
)) : this.webCryptoDecrypt(new Uint8Array(t), e, r)
}
,
e.softwareDecrypt = function(t, e, r) {
var i = this.currentIV
, n = this.currentResult
, a = this.remainderData;
this.logOnce("JS AES decrypt"),
a && (t = xt(a, t),
this.remainderData = null);
var s = this.getValidChunk(t);
if (!s.length)
return null;
i && (r = i);
var o = this.softwareDecrypter;
o || (o = this.softwareDecrypter = new Nr),
o.expandKey(e);
var l = n;
return this.currentResult = o.decrypt(s.buffer, 0, r),
this.currentIV = rt(s, -16).buffer,
l || null
}
,
e.webCryptoDecrypt = function(t, e, r) {
var i = this
, n = this.subtle;
return this.key === e && this.fastAesKey || (this.key = e,
this.fastAesKey = new Or(n,e)),
this.fastAesKey.expandKey().then((function(e) {
return n ? (i.logOnce("WebCrypto AES decrypt"),
new Mr(n,new Uint8Array(r)).decrypt(t.buffer, e)) : Promise.reject(new Error("web crypto not initialized"))
}
)).catch((function(n) {
return w.warn("[decrypter]: WebCrypto Error, disable WebCrypto API, " + n.name + ": " + n.message),
i.onWebCryptoError(t, e, r)
}
))
}
,
e.onWebCryptoError = function(t, e, r) {
this.useSoftware = !0,
this.logEnabled = !0,
this.softwareDecrypt(t, e, r);
var i = this.flush();
if (i)
return i.buffer;
throw new Error("WebCrypto and softwareDecrypt: failed to decrypt data")
}
,
e.getValidChunk = function(t) {
var e = t
, r = t.length - t.length % 16;
return r !== t.length && (e = rt(t, 0, r),
this.remainderData = rt(t, r)),
e
}
,
e.logOnce = function(t) {
this.logEnabled && (w.log("[decrypter]: " + t),
this.logEnabled = !1)
}
,
t
}()
, Br = function(t) {
for (var e = "", r = t.length, i = 0; i < r; i++)
e += "[" + t.start(i).toFixed(3) + "-" + t.end(i).toFixed(3) + "]";
return e
}
, Gr = "STOPPED"
, Kr = "IDLE"
, Hr = "KEY_LOADING"
, Vr = "FRAG_LOADING"
, Yr = "FRAG_LOADING_WAITING_RETRY"
, Wr = "WAITING_TRACK"
, jr = "PARSING"
, qr = "PARSED"
, Xr = "ENDED"
, zr = "ERROR"
, Qr = "WAITING_INIT_PTS"
, $r = "WAITING_LEVEL"
, Jr = function(t) {
function e(e, r, i, n, a) {
var s;
return (s = t.call(this) || this).hls = void 0,
s.fragPrevious = null,
s.fragCurrent = null,
s.fragmentTracker = void 0,
s.transmuxer = null,
s._state = Gr,
s.playlistType = void 0,
s.media = null,
s.mediaBuffer = null,
s.config = void 0,
s.bitrateTest = !1,
s.lastCurrentTime = 0,
s.nextLoadPosition = 0,
s.startPosition = 0,
s.startTimeOffset = null,
s.loadedmetadata = !1,
s.retryDate = 0,
s.levels = null,
s.fragmentLoader = void 0,
s.keyLoader = void 0,
s.levelLastLoaded = null,
s.startFragRequested = !1,
s.decrypter = void 0,
s.initPTS = [],
s.onvseeking = null,
s.onvended = null,
s.logPrefix = "",
s.log = void 0,
s.warn = void 0,
s.playlistType = a,
s.logPrefix = n,
s.log = w.log.bind(w, n + ":"),
s.warn = w.warn.bind(w, n + ":"),
s.hls = e,
s.fragmentLoader = new Sr(e.config),
s.keyLoader = i,
s.fragmentTracker = r,
s.config = e.config,
s.decrypter = new Ur(e.config),
e.on(S.MANIFEST_LOADED, s.onManifestLoaded, function(t) {
if (void 0 === t)
throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
return t
}(s)),
s
}
l(e, t);
var r = e.prototype;
return r.doTick = function() {
this.onTickEnd()
}
,
r.onTickEnd = function() {}
,
r.startLoad = function(t) {}
,
r.stopLoad = function() {
this.fragmentLoader.abort(),
this.keyLoader.abort(this.playlistType);
var t = this.fragCurrent;
null != t && t.loader && (t.abortRequests(),
this.fragmentTracker.removeFragment(t)),
this.resetTransmuxer(),
this.fragCurrent = null,
this.fragPrevious = null,
this.clearInterval(),
this.clearNextTick(),
this.state = Gr
}
,
r._streamEnded = function(t, e) {
if (e.live || t.nextStart || !t.end || !this.media)
return !1;
var r = e.partList;
if (null != r && r.length) {
var i = r[r.length - 1];
return Ir.isBuffered(this.media, i.start + i.duration / 2)
}
var n = e.fragments[e.fragments.length - 1].type;
return this.fragmentTracker.isEndListAppended(n)
}
,
r.getLevelDetails = function() {
var t;
if (this.levels && null !== this.levelLastLoaded)
return null == (t = this.levels[this.levelLastLoaded]) ? void 0 : t.details
}
,
r.onMediaAttached = function(t, e) {
var r = this.media = this.mediaBuffer = e.media;
this.onvseeking = this.onMediaSeeking.bind(this),
this.onvended = this.onMediaEnded.bind(this),
r.addEventListener("seeking", this.onvseeking),
r.addEventListener("ended", this.onvended);
var i = this.config;
this.levels && i.autoStartLoad && this.state === Gr && this.startLoad(i.startPosition)
}
,
r.onMediaDetaching = function() {
var t = this.media;
null != t && t.ended && (this.log("MSE detaching and video ended, reset startPosition"),
this.startPosition = this.lastCurrentTime = 0),
t && this.onvseeking && this.onvended && (t.removeEventListener("seeking", this.onvseeking),
t.removeEventListener("ended", this.onvended),
this.onvseeking = this.onvended = null),
this.keyLoader && this.keyLoader.detach(),
this.media = this.mediaBuffer = null,
this.loadedmetadata = !1,
this.fragmentTracker.removeAllFragments(),
this.stopLoad()
}
,
r.onMediaSeeking = function() {
var t = this.config
, e = this.fragCurrent
, r = this.media
, i = this.mediaBuffer
, n = this.state
, a = r ? r.currentTime : 0
, s = Ir.bufferInfo(i || r, a, t.maxBufferHole);
if (this.log("media seeking to " + (E(a) ? a.toFixed(3) : a) + ", state: " + n),
this.state === Xr)
this.resetLoadingState();
else if (e) {
var o = t.maxFragLookUpTolerance
, l = e.start - o
, u = e.start + e.duration + o;
if (!s.len || u < s.start || l > s.end) {
var h = a > u;
(a < l || h) && (h && e.loader && (this.log("seeking outside of buffer while fragment load in progress, cancel fragment load"),
e.abortRequests(),
this.resetLoadingState()),
this.fragPrevious = null)
}
}
r && (this.fragmentTracker.removeFragmentsInRange(a, 1 / 0, this.playlistType, !0),
this.lastCurrentTime = a),
this.loadedmetadata || s.len || (this.nextLoadPosition = this.startPosition = a),
this.tickImmediate()
}
,
r.onMediaEnded = function() {
this.startPosition = this.lastCurrentTime = 0
}
,
r.onManifestLoaded = function(t, e) {
this.startTimeOffset = e.startTimeOffset,
this.initPTS = []
}
,
r.onHandlerDestroying = function() {
this.stopLoad(),
t.prototype.onHandlerDestroying.call(this)
}
,
r.onHandlerDestroyed = function() {
this.state = Gr,
this.fragmentLoader && this.fragmentLoader.destroy(),
this.keyLoader && this.keyLoader.destroy(),
this.decrypter && this.decrypter.destroy(),
this.hls = this.log = this.warn = this.decrypter = this.keyLoader = this.fragmentLoader = this.fragmentTracker = null,
t.prototype.onHandlerDestroyed.call(this)
}
,
r.loadFragment = function(t, e, r) {
this._loadFragForPlayback(t, e, r)
}
,
r._loadFragForPlayback = function(t, e, r) {
var i = this;
this._doFragLoad(t, e, r, (function(e) {
if (i.fragContextChanged(t))
return i.warn("Fragment " + t.sn + (e.part ? " p: " + e.part.index : "") + " of level " + t.level + " was dropped during download."),
void i.fragmentTracker.removeFragment(t);
t.stats.chunkCount++,
i._handleFragmentLoadProgress(e)
}
)).then((function(e) {
if (e) {
var r = i.state;
i.fragContextChanged(t) ? (r === Vr || !i.fragCurrent && r === jr) && (i.fragmentTracker.removeFragment(t),
i.state = Kr) : ("payload"in e && (i.log("Loaded fragment " + t.sn + " of level " + t.level),
i.hls.trigger(S.FRAG_LOADED, e)),
i._handleFragmentLoadComplete(e))
}
}
)).catch((function(e) {
i.state !== Gr && i.state !== zr && (i.warn(e),
i.resetFragmentLoading(t))
}
))
}
,
r.clearTrackerIfNeeded = function(t) {
var e, r = this.fragmentTracker;
if (r.getState(t) === gr) {
var i = t.type
, n = this.getFwdBufferInfo(this.mediaBuffer, i)
, a = Math.max(t.duration, n ? n.len : this.config.maxBufferLength);
this.reduceMaxBufferLength(a) && r.removeFragment(t)
} else
0 === (null == (e = this.mediaBuffer) ? void 0 : e.buffered.length) ? r.removeAllFragments() : r.hasParts(t.type) && (r.detectPartialFragments({
frag: t,
part: null,
stats: t.stats,
id: t.type
}),
r.getState(t) === vr && r.removeFragment(t))
}
,
r.checkLiveUpdate = function(t) {
if (t.updated && !t.live) {
var e = t.fragments[t.fragments.length - 1];
this.fragmentTracker.detectPartialFragments({
frag: e,
part: null,
stats: e.stats,
id: e.type
})
}
t.fragments[0] || (t.deltaUpdateFailed = !0)
}
,
r.flushMainBuffer = function(t, e, r) {
if (void 0 === r && (r = null),
t - e) {
var i = {
startOffset: t,
endOffset: e,
type: r
};
this.hls.trigger(S.BUFFER_FLUSHING, i)
}
}
,
r._loadInitSegment = function(t, e) {
var r = this;
this._doFragLoad(t, e).then((function(e) {
if (!e || r.fragContextChanged(t) || !r.levels)
throw new Error("init load aborted");
return e
}
)).then((function(e) {
var i = r.hls
, n = e.payload
, a = t.decryptdata;
if (n && n.byteLength > 0 && a && a.key && a.iv && "AES-128" === a.method) {
var s = self.performance.now();
return r.decrypter.decrypt(new Uint8Array(n), a.key.buffer, a.iv.buffer).catch((function(e) {
throw i.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.FRAG_DECRYPT_ERROR,
fatal: !1,
error: e,
reason: e.message,
frag: t
}),
e
}
)).then((function(r) {
var n = self.performance.now();
return i.trigger(S.FRAG_DECRYPTED, {
frag: t,
payload: r,
stats: {
tstart: s,
tdecrypt: n
}
}),
e.payload = r,
e
}
))
}
return e
}
)).then((function(i) {
var n = r.fragCurrent
, a = r.hls;
if (!r.levels)
throw new Error("init load aborted, missing levels");
var s = t.stats;
r.state = Kr,
e.fragmentError = 0,
t.data = new Uint8Array(i.payload),
s.parsing.start = s.buffering.start = self.performance.now(),
s.parsing.end = s.buffering.end = self.performance.now(),
i.frag === n && a.trigger(S.FRAG_BUFFERED, {
stats: s,
frag: n,
part: null,
id: t.type
}),
r.tick()
}
)).catch((function(e) {
r.state !== Gr && r.state !== zr && (r.warn(e),
r.resetFragmentLoading(t))
}
))
}
,
r.fragContextChanged = function(t) {
var e = this.fragCurrent;
return !t || !e || t.level !== e.level || t.sn !== e.sn || t.urlId !== e.urlId
}
,
r.fragBufferedComplete = function(t, e) {
var r, i, n, a, s = this.mediaBuffer ? this.mediaBuffer : this.media;
this.log("Buffered " + t.type + " sn: " + t.sn + (e ? " part: " + e.index : "") + " of " + (this.playlistType === ge ? "level" : "track") + " " + t.level + " (frag:[" + (null != (r = t.startPTS) ? r : NaN).toFixed(3) + "-" + (null != (i = t.endPTS) ? i : NaN).toFixed(3) + "] > buffer:" + (s ? Br(Ir.getBuffered(s)) : "(detached)") + ")"),
this.state = Kr,
s && (!this.loadedmetadata && t.type == ge && s.buffered.length && (null == (n = this.fragCurrent) ? void 0 : n.sn) === (null == (a = this.fragPrevious) ? void 0 : a.sn) && (this.loadedmetadata = !0,
this.seekToStartPos()),
this.tick())
}
,
r.seekToStartPos = function() {}
,
r._handleFragmentLoadComplete = function(t) {
var e = this.transmuxer;
if (e) {
var r = t.frag
, i = t.part
, n = t.partsLoaded
, a = !n || 0 === n.length || n.some((function(t) {
return !t
}
))
, s = new wr(r.level,r.sn,r.stats.chunkCount + 1,0,i ? i.index : -1,!a);
e.flush(s)
}
}
,
r._handleFragmentLoadProgress = function(t) {}
,
r._doFragLoad = function(t, e, r, i) {
var n, a = this;
void 0 === r && (r = null);
var s = null == e ? void 0 : e.details;
if (!this.levels || !s)
throw new Error("frag load aborted, missing level" + (s ? "" : " detail") + "s");
var o = null;
if (!t.encrypted || null != (n = t.decryptdata) && n.key ? !t.encrypted && s.encryptedFragments.length && this.keyLoader.loadClear(t, s.encryptedFragments) : (this.log("Loading key for " + t.sn + " of [" + s.startSN + "-" + s.endSN + "], " + ("[stream-controller]" === this.logPrefix ? "level" : "track") + " " + t.level),
this.state = Hr,
this.fragCurrent = t,
o = this.keyLoader.load(t).then((function(t) {
if (!a.fragContextChanged(t.frag))
return a.hls.trigger(S.KEY_LOADED, t),
a.state === Hr && (a.state = Kr),
t
}
)),
this.hls.trigger(S.KEY_LOADING, {
frag: t
}),
null === this.fragCurrent && (o = Promise.reject(new Error("frag load aborted, context changed in KEY_LOADING")))),
r = Math.max(t.start, r || 0),
this.config.lowLatencyMode && "initSegment" !== t.sn) {
var l = s.partList;
if (l && i) {
r > t.end && s.fragmentHint && (t = s.fragmentHint);
var u = this.getNextPart(l, t, r);
if (u > -1) {
var h, d = l[u];
return this.log("Loading part sn: " + t.sn + " p: " + d.index + " cc: " + t.cc + " of playlist [" + s.startSN + "-" + s.endSN + "] parts [0-" + u + "-" + (l.length - 1) + "] " + ("[stream-controller]" === this.logPrefix ? "level" : "track") + ": " + t.level + ", target: " + parseFloat(r.toFixed(3))),
this.nextLoadPosition = d.start + d.duration,
this.state = Vr,
h = o ? o.then((function(r) {
return !r || a.fragContextChanged(r.frag) ? null : a.doFragPartsLoad(t, d, e, i)
}
)).catch((function(t) {
return a.handleFragLoadError(t)
}
)) : this.doFragPartsLoad(t, d, e, i).catch((function(t) {
return a.handleFragLoadError(t)
}
)),
this.hls.trigger(S.FRAG_LOADING, {
frag: t,
part: d,
targetBufferTime: r
}),
null === this.fragCurrent ? Promise.reject(new Error("frag load aborted, context changed in FRAG_LOADING parts")) : h
}
if (!t.url || this.loadedEndOfParts(l, r))
return Promise.resolve(null)
}
}
this.log("Loading fragment " + t.sn + " cc: " + t.cc + " " + (s ? "of [" + s.startSN + "-" + s.endSN + "] " : "") + ("[stream-controller]" === this.logPrefix ? "level" : "track") + ": " + t.level + ", target: " + parseFloat(r.toFixed(3))),
E(t.sn) && !this.bitrateTest && (this.nextLoadPosition = t.start + t.duration),
this.state = Vr;
var c, f = this.config.progressive;
return c = f && o ? o.then((function(e) {
return !e || a.fragContextChanged(null == e ? void 0 : e.frag) ? null : a.fragmentLoader.load(t, i)
}
)).catch((function(t) {
return a.handleFragLoadError(t)
}
)) : Promise.all([this.fragmentLoader.load(t, f ? i : void 0), o]).then((function(t) {
var e = t[0];
return !f && e && i && i(e),
e
}
)).catch((function(t) {
return a.handleFragLoadError(t)
}
)),
this.hls.trigger(S.FRAG_LOADING, {
frag: t,
targetBufferTime: r
}),
null === this.fragCurrent ? Promise.reject(new Error("frag load aborted, context changed in FRAG_LOADING")) : c
}
,
r.doFragPartsLoad = function(t, e, r, i) {
var n = this;
return new Promise((function(a, s) {
var o, l = [], u = null == (o = r.details) ? void 0 : o.partList;
!function e(o) {
n.fragmentLoader.loadPart(t, o, i).then((function(i) {
l[o.index] = i;
var s = i.part;
n.hls.trigger(S.FRAG_LOADED, i);
var h = Ve(r, t.sn, o.index + 1) || Ye(u, t.sn, o.index + 1);
if (!h)
return a({
frag: t,
part: s,
partsLoaded: l
});
e(h)
}
)).catch(s)
}(e)
}
))
}
,
r.handleFragLoadError = function(t) {
if ("data"in t) {
var e = t.data;
t.data && e.details === R.INTERNAL_ABORTED ? this.handleFragLoadAborted(e.frag, e.part) : this.hls.trigger(S.ERROR, e)
} else
this.hls.trigger(S.ERROR, {
type: L.OTHER_ERROR,
details: R.INTERNAL_EXCEPTION,
err: t,
error: t,
fatal: !0
});
return null
}
,
r._handleTransmuxerFlush = function(t) {
var e = this.getCurrentContext(t);
if (e && this.state === jr) {
var r = e.frag
, i = e.part
, n = e.level
, a = self.performance.now();
r.stats.parsing.end = a,
i && (i.stats.parsing.end = a),
this.updateLevelTiming(r, i, n, t.partial)
} else
this.fragCurrent || this.state === Gr || this.state === zr || (this.state = Kr)
}
,
r.getCurrentContext = function(t) {
var e = this.levels
, r = this.fragCurrent
, i = t.level
, n = t.sn
, a = t.part;
if (null == e || !e[i])
return this.warn("Levels object was unset while buffering fragment " + n + " of level " + i + ". The current chunk will not be buffered."),
null;
var s = e[i]
, o = a > -1 ? Ve(s, n, a) : null
, l = o ? o.fragment : function(t, e, r) {
if (null == t || !t.details)
return null;
var i = t.details
, n = i.fragments[e - i.startSN];
return n || ((n = i.fragmentHint) && n.sn === e ? n : e < i.startSN && r && r.sn === e ? r : null)
}(s, n, r);
return l ? (r && r !== l && (l.stats = r.stats),
{
frag: l,
part: o,
level: s
}) : null
}
,
r.bufferFragmentData = function(t, e, r, i, n) {
var a;
if (t && this.state === jr) {
var s = t.data1
, o = t.data2
, l = s;
if (s && o && (l = xt(s, o)),
null != (a = l) && a.length) {
var u = {
type: t.type,
frag: e,
part: r,
chunkMeta: i,
parent: e.type,
data: l
};
if (this.hls.trigger(S.BUFFER_APPENDING, u),
t.dropped && t.independent && !r) {
if (n)
return;
this.flushBufferGap(e)
}
}
}
}
,
r.flushBufferGap = function(t) {
var e = this.media;
if (e)
if (Ir.isBuffered(e, e.currentTime)) {
var r = e.currentTime
, i = Ir.bufferInfo(e, r, 0)
, n = t.duration
, a = Math.min(2 * this.config.maxFragLookUpTolerance, .25 * n)
, s = Math.max(Math.min(t.start - a, i.end - a), r + a);
t.start - s > a && this.flushMainBuffer(s, t.start)
} else
this.flushMainBuffer(0, t.start)
}
,
r.getFwdBufferInfo = function(t, e) {
var r = this.getLoadPosition();
return E(r) ? this.getFwdBufferInfoAtPos(t, r, e) : null
}
,
r.getFwdBufferInfoAtPos = function(t, e, r) {
var i = this.config.maxBufferHole
, n = Ir.bufferInfo(t, e, i);
if (0 === n.len && void 0 !== n.nextStart) {
var a = this.fragmentTracker.getBufferedFrag(e, r);
if (a && n.nextStart < a.end)
return Ir.bufferInfo(t, e, Math.max(n.nextStart, i))
}
return n
}
,
r.getMaxBufferLength = function(t) {
var e, r = this.config;
return e = t ? Math.max(8 * r.maxBufferSize / t, r.maxBufferLength) : r.maxBufferLength,
Math.min(e, r.maxMaxBufferLength)
}
,
r.reduceMaxBufferLength = function(t) {
var e = this.config
, r = t || e.maxBufferLength;
return e.maxMaxBufferLength >= r && (e.maxMaxBufferLength /= 2,
this.warn("Reduce max buffer length to " + e.maxMaxBufferLength + "s"),
!0)
}
,
r.getAppendedFrag = function(t, e) {
var r = this.fragmentTracker.getAppendedFrag(t, ge);
return r && "fragment"in r ? r.fragment : r
}
,
r.getNextFragment = function(t, e) {
var r = e.fragments
, i = r.length;
if (!i)
return null;
var n, a = this.config, s = r[0].start;
if (e.live) {
var o = a.initialLiveManifestSize;
if (i < o)
return this.warn("Not enough fragments to start playback (have: " + i + ", need: " + o + ")"),
null;
e.PTSKnown || this.startFragRequested || -1 !== this.startPosition || (n = this.getInitialLiveFragment(e, r),
this.startPosition = n ? this.hls.liveSyncPosition || n.start : t)
} else
t <= s && (n = r[0]);
if (!n) {
var l = a.lowLatencyMode ? e.partEnd : e.fragmentEnd;
n = this.getFragmentAtPosition(t, l, e)
}
return this.mapToInitFragWhenRequired(n)
}
,
r.isLoopLoading = function(t, e) {
var r = this.fragmentTracker.getState(t);
return (r === mr || r === vr && !!t.gap) && this.nextLoadPosition > e
}
,
r.getNextFragmentLoopLoading = function(t, e, r, i, n) {
var a = t.gap
, s = this.getNextFragment(this.nextLoadPosition, e);
if (null === s)
return s;
if (t = s,
a && t && !t.gap && r.nextStart) {
var o = this.getFwdBufferInfoAtPos(this.mediaBuffer ? this.mediaBuffer : this.media, r.nextStart, i);
if (null !== o && r.len + o.len >= n)
return this.log('buffer full after gaps in "' + i + '" playlist starting at sn: ' + t.sn),
null
}
return t
}
,
r.mapToInitFragWhenRequired = function(t) {
return null == t || !t.initSegment || null != t && t.initSegment.data || this.bitrateTest ? t : t.initSegment
}
,
r.getNextPart = function(t, e, r) {
for (var i = -1, n = !1, a = !0, s = 0, o = t.length; s < o; s++) {
var l = t[s];
if (a = a && !l.independent,
i > -1 && r < l.start)
break;
var u = l.loaded;
u ? i = -1 : (n || l.independent || a) && l.fragment === e && (i = s),
n = u
}
return i
}
,
r.loadedEndOfParts = function(t, e) {
var r = t[t.length - 1];
return r && e > r.start && r.loaded
}
,
r.getInitialLiveFragment = function(t, e) {
var r = this.fragPrevious
, i = null;
if (r) {
if (t.hasProgramDateTime && (this.log("Live playlist, switching playlist, load frag with same PDT: " + r.programDateTime),
i = function(t, e, r) {
if (null === e || !Array.isArray(t) || !t.length || !E(e))
return null;
if (e < (t[0].programDateTime || 0))
return null;
if (e >= (t[t.length - 1].endProgramDateTime || 0))
return null;
r = r || 0;
for (var i = 0; i < t.length; ++i) {
var n = t[i];
if (Ze(e, r, n))
return n
}
return null
}(e, r.endProgramDateTime, this.config.maxFragLookUpTolerance)),
!i) {
var n = r.sn + 1;
if (n >= t.startSN && n <= t.endSN) {
var a = e[n - t.startSN];
r.cc === a.cc && (i = a,
this.log("Live playlist, switching playlist, load frag with next SN: " + i.sn))
}
i || (i = function(t, e) {
return Qe(t, (function(t) {
return t.cc < e ? 1 : t.cc > e ? -1 : 0
}
))
}(e, r.cc),
i && this.log("Live playlist, switching playlist, load frag with same CC: " + i.sn))
}
} else {
var s = this.hls.liveSyncPosition;
null !== s && (i = this.getFragmentAtPosition(s, this.bitrateTest ? t.fragmentEnd : t.edge, t))
}
return i
}
,
r.getFragmentAtPosition = function(t, e, r) {
var i, n = this.config, a = this.fragPrevious, s = r.fragments, o = r.endSN, l = r.fragmentHint, u = n.maxFragLookUpTolerance, h = r.partList, d = !!(n.lowLatencyMode && null != h && h.length && l);
if (d && l && !this.bitrateTest && (s = s.concat(l),
o = l.sn),
i = t < e ? $e(a, s, t, t > e - u ? 0 : u) : s[s.length - 1]) {
var c = i.sn - r.startSN
, f = this.fragmentTracker.getState(i);
if ((f === mr || f === vr && i.gap) && (a = i),
a && i.sn === a.sn && (!d || h[0].fragment.sn > i.sn) && a && i.level === a.level) {
var g = s[c + 1];
i = i.sn < o && this.fragmentTracker.getState(g) !== mr ? g : null
}
}
return i
}
,
r.synchronizeToLiveEdge = function(t) {
var e = this.config
, r = this.media;
if (r) {
var i = this.hls.liveSyncPosition
, n = r.currentTime
, a = t.fragments[0].start
, s = t.edge
, o = n >= a - e.maxFragLookUpTolerance && n <= s;
if (null !== i && r.duration > i && (n < i || !o)) {
var l = void 0 !== e.liveMaxLatencyDuration ? e.liveMaxLatencyDuration : e.liveMaxLatencyDurationCount * t.targetduration;
(!o && r.readyState < 4 || n < s - l) && (this.loadedmetadata || (this.nextLoadPosition = i),
r.readyState && (this.warn("Playback: " + n.toFixed(3) + " is located too far from the end of live sliding playlist: " + s + ", reset currentTime to : " + i.toFixed(3)),
r.currentTime = i))
}
}
}
,
r.alignPlaylists = function(t, e) {
var r = this.levels
, i = this.levelLastLoaded
, n = this.fragPrevious
, a = null !== i ? r[i] : null
, s = t.fragments.length;
if (!s)
return this.warn("No fragments in live playlist"),
0;
var o = t.fragments[0].start
, l = !e
, u = t.alignedSliding && E(o);
if (l || !u && !o) {
xr(n, a, t);
var h = t.fragments[0].start;
return this.log("Live playlist sliding: " + h.toFixed(2) + " start-sn: " + (e ? e.startSN : "na") + "->" + t.startSN + " prev-sn: " + (n ? n.sn : "na") + " fragments: " + s),
h
}
return o
}
,
r.waitForCdnTuneIn = function(t) {
return t.live && t.canBlockReload && t.partTarget && t.tuneInGoal > Math.max(t.partHoldBack, 3 * t.partTarget)
}
,
r.setStartPosition = function(t, e) {
var r = this.startPosition;
if (r < e && (r = -1),
-1 === r || -1 === this.lastCurrentTime) {
var i = null !== this.startTimeOffset
, n = i ? this.startTimeOffset : t.startTimeOffset;
null !== n && E(n) ? (r = e + n,
n < 0 && (r += t.totalduration),
r = Math.min(Math.max(e, r), e + t.totalduration),
this.log("Start time offset " + n + " found in " + (i ? "multivariant" : "media") + " playlist, adjust startPosition to " + r),
this.startPosition = r) : t.live ? r = this.hls.liveSyncPosition || e : this.startPosition = r = 0,
this.lastCurrentTime = r
}
this.nextLoadPosition = r
}
,
r.getLoadPosition = function() {
var t = this.media
, e = 0;
return this.loadedmetadata && t ? e = t.currentTime : this.nextLoadPosition && (e = this.nextLoadPosition),
e
}
,
r.handleFragLoadAborted = function(t, e) {
this.transmuxer && "initSegment" !== t.sn && t.stats.aborted && (this.warn("Fragment " + t.sn + (e ? " part " + e.index : "") + " of level " + t.level + " was aborted"),
this.resetFragmentLoading(t))
}
,
r.resetFragmentLoading = function(t) {
this.fragCurrent && (this.fragContextChanged(t) || this.state === Yr) || (this.state = Kr)
}
,
r.onFragmentOrKeyLoadError = function(t, e) {
if (e.chunkMeta && !e.frag) {
var r = this.getCurrentContext(e.chunkMeta);
r && (e.frag = r.frag)
}
var i = e.frag;
if (i && i.type === t && this.levels)
if (this.fragContextChanged(i)) {
var n;
this.warn("Frag load error must match current frag to retry " + i.url + " > " + (null == (n = this.fragCurrent) ? void 0 : n.url))
} else {
var a = e.details === R.FRAG_GAP;
a && this.fragmentTracker.fragBuffered(i, !0);
var s = e.errorAction
, o = s || {}
, l = o.action
, u = o.retryCount
, h = void 0 === u ? 0 : u
, d = o.retryConfig;
if (s && l === nr && d) {
var c;
this.resetStartWhenNotLoaded(null != (c = this.levelLastLoaded) ? c : i.level);
var f = qe(d, h);
this.warn("Fragment " + i.sn + " of " + t + " " + i.level + " errored with " + e.details + ", retrying loading " + (h + 1) + "/" + d.maxNumRetry + " in " + f + "ms"),
s.resolved = !0,
this.retryDate = self.performance.now() + f,
this.state = Yr
} else
d && s ? (this.resetFragmentErrors(t),
h < d.maxNumRetry ? a || (s.resolved = !0) : w.warn(e.details + " reached or exceeded max retry (" + h + ")")) : (null == s ? void 0 : s.action) === ir ? this.state = $r : this.state = zr;
this.tickImmediate()
}
}
,
r.reduceLengthAndFlushBuffer = function(t) {
if (this.state === jr || this.state === qr) {
var e = t.parent
, r = this.getFwdBufferInfo(this.mediaBuffer, e)
, i = r && r.len > .5;
i && this.reduceMaxBufferLength(r.len);
var n = !i;
return n && this.warn("Buffer full error while media.currentTime is not buffered, flush " + e + " buffer"),
t.frag && (this.fragmentTracker.removeFragment(t.frag),
this.nextLoadPosition = t.frag.start),
this.resetLoadingState(),
n
}
return !1
}
,
r.resetFragmentErrors = function(t) {
t === ve && (this.fragCurrent = null),
this.loadedmetadata || (this.startFragRequested = !1),
this.state !== Gr && (this.state = Kr)
}
,
r.afterBufferFlushed = function(t, e, r) {
if (t) {
var i = Ir.getBuffered(t);
this.fragmentTracker.detectEvictedFragments(e, i, r),
this.state === Xr && this.resetLoadingState()
}
}
,
r.resetLoadingState = function() {
this.log("Reset loading state"),
this.fragCurrent = null,
this.fragPrevious = null,
this.state = Kr
}
,
r.resetStartWhenNotLoaded = function(t) {
if (!this.loadedmetadata) {
this.startFragRequested = !1;
var e = this.levels ? this.levels[t].details : null;
null != e && e.live ? (this.startPosition = -1,
this.setStartPosition(e, 0),
this.resetLoadingState()) : this.nextLoadPosition = this.startPosition
}
}
,
r.resetWhenMissingContext = function(t) {
var e;
this.warn("The loading context changed while buffering fragment " + t.sn + " of level " + t.level + ". This chunk will not be buffered."),
this.removeUnbufferedFrags(),
this.resetStartWhenNotLoaded(null != (e = this.levelLastLoaded) ? e : t.level),
this.resetLoadingState()
}
,
r.removeUnbufferedFrags = function(t) {
void 0 === t && (t = 0),
this.fragmentTracker.removeFragmentsInRange(t, 1 / 0, this.playlistType, !1, !0)
}
,
r.updateLevelTiming = function(t, e, r, i) {
var n, a = this, s = r.details;
if (s) {
if (Object.keys(t.elementaryStreams).reduce((function(e, n) {
var o = t.elementaryStreams[n];
if (o) {
var l = o.endPTS - o.startPTS;
if (l <= 0)
return a.warn("Could not parse fragment " + t.sn + " " + n + " duration reliably (" + l + ")"),
e || !1;
var u = i ? 0 : Be(s, t, o.startPTS, o.endPTS, o.startDTS, o.endDTS);
return a.hls.trigger(S.LEVEL_PTS_UPDATED, {
details: s,
level: r,
drift: u,
type: n,
frag: t,
start: o.startPTS,
end: o.endPTS
}),
!0
}
return e
}
), !1))
r.fragmentError = 0;
else if (null === (null == (n = this.transmuxer) ? void 0 : n.error)) {
var o = new Error("Found no media in fragment " + t.sn + " of level " + t.level + " resetting transmuxer to fallback to playlist timing");
if (0 === r.fragmentError && (r.fragmentError++,
t.gap = !0,
this.fragmentTracker.removeFragment(t),
this.fragmentTracker.fragBuffered(t, !0)),
this.warn(o.message),
this.hls.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.FRAG_PARSING_ERROR,
fatal: !1,
error: o,
frag: t,
reason: "Found no media in msn " + t.sn + ' of level "' + r.url + '"'
}),
!this.hls)
return;
this.resetTransmuxer()
}
this.state = qr,
this.hls.trigger(S.FRAG_PARSED, {
frag: t,
part: e
})
} else
this.warn("level.details undefined")
}
,
r.resetTransmuxer = function() {
this.transmuxer && (this.transmuxer.destroy(),
this.transmuxer = null)
}
,
r.recoverWorkerError = function(t) {
var e, r, i;
"demuxerWorker" === t.event && (this.fragmentTracker.removeAllFragments(),
this.resetTransmuxer(),
this.resetStartWhenNotLoaded(null != (e = null != (r = this.levelLastLoaded) ? r : null == (i = this.fragCurrent) ? void 0 : i.level) ? e : 0),
this.resetLoadingState())
}
,
a(e, [{
key: "state",
get: function() {
return this._state
},
set: function(t) {
var e = this._state;
e !== t && (this._state = t,
this.log(e + "->" + t))
}
}]),
e
}(br);
function Zr() {
return self.SourceBuffer || self.WebKitSourceBuffer
}
function ti(t, e) {
return void 0 === t && (t = ""),
void 0 === e && (e = 9e4),
{
type: t,
id: -1,
pid: -1,
inputTimeScale: e,
sequenceNumber: -1,
samples: [],
dropped: 0
}
}
var ei = function() {
function t() {
this._audioTrack = void 0,
this._id3Track = void 0,
this.frameIndex = 0,
this.cachedData = null,
this.basePTS = null,
this.initPTS = null,
this.lastPTS = null
}
var e = t.prototype;
return e.resetInitSegment = function(t, e, r, i) {
this._id3Track = {
type: "id3",
id: 3,
pid: -1,
inputTimeScale: 9e4,
sequenceNumber: 0,
samples: [],
dropped: 0
}
}
,
e.resetTimeStamp = function(t) {
this.initPTS = t,
this.resetContiguity()
}
,
e.resetContiguity = function() {
this.basePTS = null,
this.lastPTS = null,
this.frameIndex = 0
}
,
e.canParse = function(t, e) {
return !1
}
,
e.appendFrame = function(t, e, r) {}
,
e.demux = function(t, e) {
this.cachedData && (t = xt(this.cachedData, t),
this.cachedData = null);
var r, i = st(t, 0), n = i ? i.length : 0, a = this._audioTrack, s = this._id3Track, o = i ? function(t) {
for (var e = dt(t), r = 0; r < e.length; r++) {
var i = e[r];
if (ut(i))
return mt(i)
}
}(i) : void 0, l = t.length;
for ((null === this.basePTS || 0 === this.frameIndex && E(o)) && (this.basePTS = ri(o, e, this.initPTS),
this.lastPTS = this.basePTS),
null === this.lastPTS && (this.lastPTS = this.basePTS),
i && i.length > 0 && s.samples.push({
pts: this.lastPTS,
dts: this.lastPTS,
data: i,
type: Ae,
duration: Number.POSITIVE_INFINITY
}); n < l; ) {
if (this.canParse(t, n)) {
var u = this.appendFrame(a, t, n);
u ? (this.frameIndex++,
this.lastPTS = u.sample.pts,
r = n += u.length) : n = l
} else
lt(t, n) ? (i = st(t, n),
s.samples.push({
pts: this.lastPTS,
dts: this.lastPTS,
data: i,
type: Ae,
duration: Number.POSITIVE_INFINITY
}),
r = n += i.length) : n++;
if (n === l && r !== l) {
var h = rt(t, r);
this.cachedData ? this.cachedData = xt(this.cachedData, h) : this.cachedData = h
}
}
return {
audioTrack: a,
videoTrack: ti(),
id3Track: s,
textTrack: ti()
}
}
,
e.demuxSampleAes = function(t, e, r) {
return Promise.reject(new Error("[" + this + "] This demuxer does not support Sample-AES decryption"))
}
,
e.flush = function(t) {
var e = this.cachedData;
return e && (this.cachedData = null,
this.demux(e, 0)),
{
audioTrack: this._audioTrack,
videoTrack: ti(),
id3Track: this._id3Track,
textTrack: ti()
}
}
,
e.destroy = function() {}
,
t
}()
, ri = function(t, e, r) {
return E(t) ? 90 * t : 9e4 * e + (r ? 9e4 * r.baseTime / r.timescale : 0)
};
function ii(t, e) {
return 255 === t[e] && 240 == (246 & t[e + 1])
}
function ni(t, e) {
return 1 & t[e + 1] ? 7 : 9
}
function ai(t, e) {
return (3 & t[e + 3]) << 11 | t[e + 4] << 3 | (224 & t[e + 5]) >>> 5
}
function si(t, e) {
return e + 1 < t.length && ii(t, e)
}
function oi(t, e) {
if (si(t, e)) {
var r = ni(t, e);
if (e + r >= t.length)
return !1;
var i = ai(t, e);
if (i <= r)
return !1;
var n = e + i;
return n === t.length || si(t, n)
}
return !1
}
function li(t, e, r, i, n) {
if (!t.samplerate) {
var a = function(t, e, r, i) {
var n, a, s, o, l = navigator.userAgent.toLowerCase(), u = i, h = [96e3, 88200, 64e3, 48e3, 44100, 32e3, 24e3, 22050, 16e3, 12e3, 11025, 8e3, 7350];
n = 1 + ((192 & e[r + 2]) >>> 6);
var d = (60 & e[r + 2]) >>> 2;
if (!(d > h.length - 1))
return s = (1 & e[r + 2]) << 2,
s |= (192 & e[r + 3]) >>> 6,
w.log("manifest codec:" + i + ", ADTS type:" + n + ", samplingIndex:" + d),
/firefox/i.test(l) ? d >= 6 ? (n = 5,
o = new Array(4),
a = d - 3) : (n = 2,
o = new Array(2),
a = d) : -1 !== l.indexOf("android") ? (n = 2,
o = new Array(2),
a = d) : (n = 5,
o = new Array(4),
i && (-1 !== i.indexOf("mp4a.40.29") || -1 !== i.indexOf("mp4a.40.5")) || !i && d >= 6 ? a = d - 3 : ((i && -1 !== i.indexOf("mp4a.40.2") && (d >= 6 && 1 === s || /vivaldi/i.test(l)) || !i && 1 === s) && (n = 2,
o = new Array(2)),
a = d)),
o[0] = n << 3,
o[0] |= (14 & d) >> 1,
o[1] |= (1 & d) << 7,
o[1] |= s << 3,
5 === n && (o[1] |= (14 & a) >> 1,
o[2] = (1 & a) << 7,
o[2] |= 8,
o[3] = 0),
{
config: o,
samplerate: h[d],
channelCount: s,
codec: "mp4a.40." + n,
manifestCodec: u
};
t.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.FRAG_PARSING_ERROR,
fatal: !0,
reason: "invalid ADTS sampling index:" + d
})
}(e, r, i, n);
if (!a)
return;
t.config = a.config,
t.samplerate = a.samplerate,
t.channelCount = a.channelCount,
t.codec = a.codec,
t.manifestCodec = a.manifestCodec,
w.log("parsed codec:" + t.codec + ", rate:" + a.samplerate + ", channels:" + a.channelCount)
}
}
function ui(t) {
return 9216e4 / t
}
function hi(t, e, r, i, n) {
var a, s = i + n * ui(t.samplerate), o = function(t, e) {
var r = ni(t, e);
if (e + r <= t.length) {
var i = ai(t, e) - r;
if (i > 0)
return {
headerLength: r,
frameLength: i
}
}
}(e, r);
if (o) {
var l = o.frameLength
, u = o.headerLength
, h = u + l
, d = Math.max(0, r + h - e.length);
d ? (a = new Uint8Array(h - u)).set(e.subarray(r + u, e.length), 0) : a = e.subarray(r + u, r + h);
var c = {
unit: a,
pts: s
};
return d || t.samples.push(c),
{
sample: c,
length: h,
missing: d
}
}
var f = e.length - r;
return (a = new Uint8Array(f)).set(e.subarray(r, e.length), 0),
{
sample: {
unit: a,
pts: s
},
length: f,
missing: -1
}
}
var di = function(t) {
function e(e, r) {
var i;
return (i = t.call(this) || this).observer = void 0,
i.config = void 0,
i.observer = e,
i.config = r,
i
}
l(e, t);
var r = e.prototype;
return r.resetInitSegment = function(e, r, i, n) {
t.prototype.resetInitSegment.call(this, e, r, i, n),
this._audioTrack = {
container: "audio/adts",
type: "audio",
id: 2,
pid: -1,
sequenceNumber: 0,
segmentCodec: "aac",
samples: [],
manifestCodec: r,
duration: n,
inputTimeScale: 9e4,
dropped: 0
}
}
,
e.probe = function(t) {
if (!t)
return !1;
for (var e = (st(t, 0) || []).length, r = t.length; e < r; e++)
if (oi(t, e))
return w.log("ADTS sync word found !"),
!0;
return !1
}
,
r.canParse = function(t, e) {
return function(t, e) {
return function(t, e) {
return e + 5 < t.length
}(t, e) && ii(t, e) && ai(t, e) <= t.length - e
}(t, e)
}
,
r.appendFrame = function(t, e, r) {
li(t, this.observer, e, r, t.manifestCodec);
var i = hi(t, e, r, this.basePTS, this.frameIndex);
if (i && 0 === i.missing)
return i
}
,
e
}(ei)
, ci = /\/emsg[-/]ID3/i
, fi = function() {
function t(t, e) {
this.remainderData = null,
this.timeOffset = 0,
this.config = void 0,
this.videoTrack = void 0,
this.audioTrack = void 0,
this.id3Track = void 0,
this.txtTrack = void 0,
this.config = e
}
var e = t.prototype;
return e.resetTimeStamp = function() {}
,
e.resetInitSegment = function(t, e, r, i) {
var n = this.videoTrack = ti("video", 1)
, a = this.audioTrack = ti("audio", 1)
, s = this.txtTrack = ti("text", 1);
if (this.id3Track = ti("id3", 1),
this.timeOffset = 0,
null != t && t.byteLength) {
var o = Ct(t);
if (o.video) {
var l = o.video
, u = l.id
, h = l.timescale
, d = l.codec;
n.id = u,
n.timescale = s.timescale = h,
n.codec = d
}
if (o.audio) {
var c = o.audio
, f = c.id
, g = c.timescale
, v = c.codec;
a.id = f,
a.timescale = g,
a.codec = v
}
s.id = Lt.text,
n.sampleDuration = 0,
n.duration = a.duration = i
}
}
,
e.resetContiguity = function() {
this.remainderData = null
}
,
t.probe = function(t) {
return It(t = t.length > 16384 ? t.subarray(0, 16384) : t, ["moof"]).length > 0
}
,
e.demux = function(t, e) {
this.timeOffset = e;
var r = t
, i = this.videoTrack
, n = this.txtTrack;
if (this.config.progressive) {
this.remainderData && (r = xt(this.remainderData, t));
var a = function(t) {
var e = {
valid: null,
remainder: null
}
, r = It(t, ["moof"]);
if (!r)
return e;
if (r.length < 2)
return e.remainder = t,
e;
var i = r[r.length - 1];
return e.valid = rt(t, 0, i.byteOffset - 8),
e.remainder = rt(t, i.byteOffset - 8),
e
}(r);
this.remainderData = a.remainder,
i.samples = a.valid || new Uint8Array
} else
i.samples = r;
var s = this.extractID3Track(i, e);
return n.samples = Ft(e, i),
{
videoTrack: i,
audioTrack: this.audioTrack,
id3Track: s,
textTrack: this.txtTrack
}
}
,
e.flush = function() {
var t = this.timeOffset
, e = this.videoTrack
, r = this.txtTrack;
e.samples = this.remainderData || new Uint8Array,
this.remainderData = null;
var i = this.extractID3Track(e, this.timeOffset);
return r.samples = Ft(t, e),
{
videoTrack: e,
audioTrack: ti(),
id3Track: i,
textTrack: ti()
}
}
,
e.extractID3Track = function(t, e) {
var r = this.id3Track;
if (t.samples.length) {
var i = It(t.samples, ["emsg"]);
i && i.forEach((function(t) {
var i = function(t) {
var e = t[0]
, r = ""
, i = ""
, n = 0
, a = 0
, s = 0
, o = 0
, l = 0
, u = 0;
if (0 === e) {
for (; "\0" !== Rt(t.subarray(u, u + 1)); )
r += Rt(t.subarray(u, u + 1)),
u += 1;
for (r += Rt(t.subarray(u, u + 1)),
u += 1; "\0" !== Rt(t.subarray(u, u + 1)); )
i += Rt(t.subarray(u, u + 1)),
u += 1;
i += Rt(t.subarray(u, u + 1)),
u += 1,
n = kt(t, 12),
a = kt(t, 16),
o = kt(t, 20),
l = kt(t, 24),
u = 28
} else if (1 === e) {
n = kt(t, u += 4);
var h = kt(t, u += 4)
, d = kt(t, u += 4);
for (u += 4,
s = Math.pow(2, 32) * h + d,
Number.isSafeInteger(s) || (s = Number.MAX_SAFE_INTEGER,
w.warn("Presentation time exceeds safe integer limit and wrapped to max safe integer in parsing emsg box")),
o = kt(t, u),
l = kt(t, u += 4),
u += 4; "\0" !== Rt(t.subarray(u, u + 1)); )
r += Rt(t.subarray(u, u + 1)),
u += 1;
for (r += Rt(t.subarray(u, u + 1)),
u += 1; "\0" !== Rt(t.subarray(u, u + 1)); )
i += Rt(t.subarray(u, u + 1)),
u += 1;
i += Rt(t.subarray(u, u + 1)),
u += 1
}
return {
schemeIdUri: r,
value: i,
timeScale: n,
presentationTime: s,
presentationTimeDelta: a,
eventDuration: o,
id: l,
payload: t.subarray(u, t.byteLength)
}
}(t);
if (ci.test(i.schemeIdUri)) {
var n = E(i.presentationTime) ? i.presentationTime / i.timeScale : e + i.presentationTimeDelta / i.timeScale
, a = 4294967295 === i.eventDuration ? Number.POSITIVE_INFINITY : i.eventDuration / i.timeScale;
a <= .001 && (a = Number.POSITIVE_INFINITY);
var s = i.payload;
r.samples.push({
data: s,
len: s.byteLength,
dts: n,
pts: n,
type: be,
duration: a
})
}
}
))
}
return r
}
,
e.demuxSampleAes = function(t, e, r) {
return Promise.reject(new Error("The MP4 demuxer does not support SAMPLE-AES decryption"))
}
,
e.destroy = function() {}
,
t
}()
, gi = null
, vi = [32, 64, 96, 128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 32, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 384, 32, 40, 48, 56, 64, 80, 96, 112, 128, 160, 192, 224, 256, 320, 32, 48, 56, 64, 80, 96, 112, 128, 144, 160, 176, 192, 224, 256, 8, 16, 24, 32, 40, 48, 56, 64, 80, 96, 112, 128, 144, 160]
, mi = [44100, 48e3, 32e3, 22050, 24e3, 16e3, 11025, 12e3, 8e3]
, pi = [[0, 72, 144, 12], [0, 0, 0, 0], [0, 72, 144, 12], [0, 144, 144, 12]]
, yi = [0, 1, 1, 4];
function Ti(t, e, r, i, n) {
if (!(r + 24 > e.length)) {
var a = Ei(e, r);
if (a && r + a.frameLength <= e.length) {
var s = i + n * (9e4 * a.samplesPerFrame / a.sampleRate)
, o = {
unit: e.subarray(r, r + a.frameLength),
pts: s,
dts: s
};
return t.config = [],
t.channelCount = a.channelCount,
t.samplerate = a.sampleRate,
t.samples.push(o),
{
sample: o,
length: a.frameLength,
missing: 0
}
}
}
}
function Ei(t, e) {
var r = t[e + 1] >> 3 & 3
, i = t[e + 1] >> 1 & 3
, n = t[e + 2] >> 4 & 15
, a = t[e + 2] >> 2 & 3;
if (1 !== r && 0 !== n && 15 !== n && 3 !== a) {
var s = t[e + 2] >> 1 & 1
, o = t[e + 3] >> 6
, l = 1e3 * vi[14 * (3 === r ? 3 - i : 3 === i ? 3 : 4) + n - 1]
, u = mi[3 * (3 === r ? 0 : 2 === r ? 1 : 2) + a]
, h = 3 === o ? 1 : 2
, d = pi[r][i]
, c = yi[i]
, f = 8 * d * c
, g = Math.floor(d * l / u + s) * c;
if (null === gi) {
var v = (navigator.userAgent || "").match(/Chrome\/(\d+)/i);
gi = v ? parseInt(v[1]) : 0
}
return !!gi && gi <= 87 && 2 === i && l >= 224e3 && 0 === o && (t[e + 3] = 128 | t[e + 3]),
{
sampleRate: u,
channelCount: h,
frameLength: g,
samplesPerFrame: f
}
}
}
function Si(t, e) {
return 255 === t[e] && 224 == (224 & t[e + 1]) && 0 != (6 & t[e + 1])
}
function Li(t, e) {
return e + 1 < t.length && Si(t, e)
}
function Ri(t, e) {
if (e + 1 < t.length && Si(t, e)) {
var r = Ei(t, e)
, i = 4;
null != r && r.frameLength && (i = r.frameLength);
var n = e + i;
return n === t.length || Li(t, n)
}
return !1
}
var Ai = function() {
function t(t) {
this.data = void 0,
this.bytesAvailable = void 0,
this.word = void 0,
this.bitsAvailable = void 0,
this.data = t,
this.bytesAvailable = t.byteLength,
this.word = 0,
this.bitsAvailable = 0
}
var e = t.prototype;
return e.loadWord = function() {
var t = this.data
, e = this.bytesAvailable
, r = t.byteLength - e
, i = new Uint8Array(4)
, n = Math.min(4, e);
if (0 === n)
throw new Error("no bytes available");
i.set(t.subarray(r, r + n)),
this.word = new DataView(i.buffer).getUint32(0),
this.bitsAvailable = 8 * n,
this.bytesAvailable -= n
}
,
e.skipBits = function(t) {
var e;
t = Math.min(t, 8 * this.bytesAvailable + this.bitsAvailable),
this.bitsAvailable > t ? (this.word <<= t,
this.bitsAvailable -= t) : (t -= this.bitsAvailable,
t -= (e = t >> 3) << 3,
this.bytesAvailable -= e,
this.loadWord(),
this.word <<= t,
this.bitsAvailable -= t)
}
,
e.readBits = function(t) {
var e = Math.min(this.bitsAvailable, t)
, r = this.word >>> 32 - e;
if (t > 32 && w.error("Cannot read more than 32 bits at a time"),
this.bitsAvailable -= e,
this.bitsAvailable > 0)
this.word <<= e;
else {
if (!(this.bytesAvailable > 0))
throw new Error("no bits available");
this.loadWord()
}
return (e = t - e) > 0 && this.bitsAvailable ? r << e | this.readBits(e) : r
}
,
e.skipLZ = function() {
var t;
for (t = 0; t < this.bitsAvailable; ++t)
if (0 != (this.word & 2147483648 >>> t))
return this.word <<= t,
this.bitsAvailable -= t,
t;
return this.loadWord(),
t + this.skipLZ()
}
,
e.skipUEG = function() {
this.skipBits(1 + this.skipLZ())
}
,
e.skipEG = function() {
this.skipBits(1 + this.skipLZ())
}
,
e.readUEG = function() {
var t = this.skipLZ();
return this.readBits(t + 1) - 1
}
,
e.readEG = function() {
var t = this.readUEG();
return 1 & t ? 1 + t >>> 1 : -1 * (t >>> 1)
}
,
e.readBoolean = function() {
return 1 === this.readBits(1)
}
,
e.readUByte = function() {
return this.readBits(8)
}
,
e.readUShort = function() {
return this.readBits(16)
}
,
e.readUInt = function() {
return this.readBits(32)
}
,
e.skipScalingList = function(t) {
for (var e = 8, r = 8, i = 0; i < t; i++)
0 !== r && (r = (e + this.readEG() + 256) % 256),
e = 0 === r ? e : r
}
,
e.readSPS = function() {
var t, e, r, i = 0, n = 0, a = 0, s = 0, o = this.readUByte.bind(this), l = this.readBits.bind(this), u = this.readUEG.bind(this), h = this.readBoolean.bind(this), d = this.skipBits.bind(this), c = this.skipEG.bind(this), f = this.skipUEG.bind(this), g = this.skipScalingList.bind(this);
o();
var v = o();
if (l(5),
d(3),
o(),
f(),
100 === v || 110 === v || 122 === v || 244 === v || 44 === v || 83 === v || 86 === v || 118 === v || 128 === v) {
var m = u();
if (3 === m && d(1),
f(),
f(),
d(1),
h())
for (e = 3 !== m ? 8 : 12,
r = 0; r < e; r++)
h() && g(r < 6 ? 16 : 64)
}
f();
var p = u();
if (0 === p)
u();
else if (1 === p)
for (d(1),
c(),
c(),
t = u(),
r = 0; r < t; r++)
c();
f(),
d(1);
var y = u()
, T = u()
, E = l(1);
0 === E && d(1),
d(1),
h() && (i = u(),
n = u(),
a = u(),
s = u());
var S = [1, 1];
if (h() && h())
switch (o()) {
case 1:
S = [1, 1];
break;
case 2:
S = [12, 11];
break;
case 3:
S = [10, 11];
break;
case 4:
S = [16, 11];
break;
case 5:
S = [40, 33];
break;
case 6:
S = [24, 11];
break;
case 7:
S = [20, 11];
break;
case 8:
S = [32, 11];
break;
case 9:
S = [80, 33];
break;
case 10:
S = [18, 11];
break;
case 11:
S = [15, 11];
break;
case 12:
S = [64, 33];
break;
case 13:
S = [160, 99];
break;
case 14:
S = [4, 3];
break;
case 15:
S = [3, 2];
break;
case 16:
S = [2, 1];
break;
case 255:
S = [o() << 8 | o(), o() << 8 | o()]
}
return {
width: Math.ceil(16 * (y + 1) - 2 * i - 2 * n),
height: (2 - E) * (T + 1) * 16 - (E ? 2 : 4) * (a + s),
pixelRatio: S
}
}
,
e.readSliceType = function() {
return this.readUByte(),
this.readUEG(),
this.readUEG()
}
,
t
}()
, ki = function() {
function t(t, e, r) {
this.keyData = void 0,
this.decrypter = void 0,
this.keyData = r,
this.decrypter = new Ur(e,{
removePKCS7Padding: !1
})
}
var e = t.prototype;
return e.decryptBuffer = function(t) {
return this.decrypter.decrypt(t, this.keyData.key.buffer, this.keyData.iv.buffer)
}
,
e.decryptAacSample = function(t, e, r) {
var i = this
, n = t[e].unit;
if (!(n.length <= 16)) {
var a = n.subarray(16, n.length - n.length % 16)
, s = a.buffer.slice(a.byteOffset, a.byteOffset + a.length);
this.decryptBuffer(s).then((function(a) {
var s = new Uint8Array(a);
n.set(s, 16),
i.decrypter.isSync() || i.decryptAacSamples(t, e + 1, r)
}
))
}
}
,
e.decryptAacSamples = function(t, e, r) {
for (; ; e++) {
if (e >= t.length)
return void r();
if (!(t[e].unit.length < 32 || (this.decryptAacSample(t, e, r),
this.decrypter.isSync())))
return
}
}
,
e.getAvcEncryptedData = function(t) {
for (var e = 16 * Math.floor((t.length - 48) / 160) + 16, r = new Int8Array(e), i = 0, n = 32; n < t.length - 16; n += 160,
i += 16)
r.set(t.subarray(n, n + 16), i);
return r
}
,
e.getAvcDecryptedUnit = function(t, e) {
for (var r = new Uint8Array(e), i = 0, n = 32; n < t.length - 16; n += 160,
i += 16)
t.set(r.subarray(i, i + 16), n);
return t
}
,
e.decryptAvcSample = function(t, e, r, i, n) {
var a = this
, s = Nt(n.data)
, o = this.getAvcEncryptedData(s);
this.decryptBuffer(o.buffer).then((function(o) {
n.data = a.getAvcDecryptedUnit(s, o),
a.decrypter.isSync() || a.decryptAvcSamples(t, e, r + 1, i)
}
))
}
,
e.decryptAvcSamples = function(t, e, r, i) {
if (t instanceof Uint8Array)
throw new Error("Cannot decrypt samples of type Uint8Array");
for (; ; e++,
r = 0) {
if (e >= t.length)
return void i();
for (var n = t[e].units; !(r >= n.length); r++) {
var a = n[r];
if (!(a.data.length <= 48 || 1 !== a.type && 5 !== a.type || (this.decryptAvcSample(t, e, r, i, a),
this.decrypter.isSync())))
return
}
}
}
,
t
}()
, bi = 188
, Di = function() {
function t(t, e, r) {
this.observer = void 0,
this.config = void 0,
this.typeSupported = void 0,
this.sampleAes = null,
this.pmtParsed = !1,
this.audioCodec = void 0,
this.videoCodec = void 0,
this._duration = 0,
this._pmtId = -1,
this._avcTrack = void 0,
this._audioTrack = void 0,
this._id3Track = void 0,
this._txtTrack = void 0,
this.aacOverFlow = null,
this.avcSample = null,
this.remainderData = null,
this.observer = t,
this.config = e,
this.typeSupported = r
}
t.probe = function(e) {
var r = t.syncOffset(e);
return r > 0 && w.warn("MPEG2-TS detected but first sync word found @ offset " + r),
-1 !== r
}
,
t.syncOffset = function(t) {
for (var e = t.length, r = Math.min(940, t.length - bi) + 1, i = 0; i < r; ) {
for (var n = !1, a = -1, s = 0, o = i; o < e; o += bi) {
if (71 !== t[o]) {
if (s)
return -1;
break
}
if (s++,
-1 === a && 0 !== (a = o) && (r = Math.min(a + 18612, t.length - bi) + 1),
n || (n = 0 === wi(t, o)),
n && s > 1 && (0 === a && s > 2 || o + bi > r))
return a
}
i++
}
return -1
}
,
t.createTrack = function(t, e) {
return {
container: "video" === t || "audio" === t ? "video/mp2t" : void 0,
type: t,
id: Lt[t],
pid: -1,
inputTimeScale: 9e4,
sequenceNumber: 0,
samples: [],
dropped: 0,
duration: "audio" === t ? e : void 0
}
}
;
var e = t.prototype;
return e.resetInitSegment = function(e, r, i, n) {
this.pmtParsed = !1,
this._pmtId = -1,
this._avcTrack = t.createTrack("video"),
this._audioTrack = t.createTrack("audio", n),
this._id3Track = t.createTrack("id3"),
this._txtTrack = t.createTrack("text"),
this._audioTrack.segmentCodec = "aac",
this.aacOverFlow = null,
this.avcSample = null,
this.remainderData = null,
this.audioCodec = r,
this.videoCodec = i,
this._duration = n
}
,
e.resetTimeStamp = function() {}
,
e.resetContiguity = function() {
var t = this._audioTrack
, e = this._avcTrack
, r = this._id3Track;
t && (t.pesData = null),
e && (e.pesData = null),
r && (r.pesData = null),
this.aacOverFlow = null,
this.avcSample = null,
this.remainderData = null
}
,
e.demux = function(e, r, i, n) {
var a;
void 0 === i && (i = !1),
void 0 === n && (n = !1),
i || (this.sampleAes = null);
var s = this._avcTrack
, o = this._audioTrack
, l = this._id3Track
, u = this._txtTrack
, h = s.pid
, d = s.pesData
, c = o.pid
, f = l.pid
, g = o.pesData
, v = l.pesData
, m = null
, p = this.pmtParsed
, y = this._pmtId
, T = e.length;
if (this.remainderData && (T = (e = xt(this.remainderData, e)).length,
this.remainderData = null),
T < bi && !n)
return this.remainderData = e,
{
audioTrack: o,
videoTrack: s,
id3Track: l,
textTrack: u
};
var E = Math.max(0, t.syncOffset(e));
(T -= (T - E) % bi) < e.byteLength && !n && (this.remainderData = new Uint8Array(e.buffer,T,e.buffer.byteLength - T));
for (var A = 0, k = E; k < T; k += bi)
if (71 === e[k]) {
var b = !!(64 & e[k + 1])
, D = wi(e, k)
, I = void 0;
if ((48 & e[k + 3]) >> 4 > 1) {
if ((I = k + 5 + e[k + 4]) === k + bi)
continue
} else
I = k + 4;
switch (D) {
case h:
b && (d && (a = Pi(d)) && this.parseAVCPES(s, u, a, !1),
d = {
data: [],
size: 0
}),
d && (d.data.push(e.subarray(I, k + bi)),
d.size += k + bi - I);
break;
case c:
if (b) {
if (g && (a = Pi(g)))
switch (o.segmentCodec) {
case "aac":
this.parseAACPES(o, a);
break;
case "mp3":
this.parseMPEGPES(o, a)
}
g = {
data: [],
size: 0
}
}
g && (g.data.push(e.subarray(I, k + bi)),
g.size += k + bi - I);
break;
case f:
b && (v && (a = Pi(v)) && this.parseID3PES(l, a),
v = {
data: [],
size: 0
}),
v && (v.data.push(e.subarray(I, k + bi)),
v.size += k + bi - I);
break;
case 0:
b && (I += e[I] + 1),
y = this._pmtId = Ci(e, I);
break;
case y:
b && (I += e[I] + 1);
var C = _i(e, I, this.typeSupported, i);
(h = C.avc) > 0 && (s.pid = h),
(c = C.audio) > 0 && (o.pid = c,
o.segmentCodec = C.segmentCodec),
(f = C.id3) > 0 && (l.pid = f),
null === m || p || (w.warn("MPEG-TS PMT found at " + k + " after unknown PID '" + m + "'. Backtracking to sync byte @" + E + " to parse all TS packets."),
m = null,
k = E - 188),
p = this.pmtParsed = !0;
break;
case 17:
case 8191:
break;
default:
m = D
}
} else
A++;
if (A > 0) {
var _ = new Error("Found " + A + " TS packet/s that do not start with 0x47");
this.observer.emit(S.ERROR, S.ERROR, {
type: L.MEDIA_ERROR,
details: R.FRAG_PARSING_ERROR,
fatal: !1,
error: _,
reason: _.message
})
}
s.pesData = d,
o.pesData = g,
l.pesData = v;
var P = {
audioTrack: o,
videoTrack: s,
id3Track: l,
textTrack: u
};
return n && this.extractRemainingSamples(P),
P
}
,
e.flush = function() {
var t, e = this.remainderData;
return this.remainderData = null,
t = e ? this.demux(e, -1, !1, !0) : {
videoTrack: this._avcTrack,
audioTrack: this._audioTrack,
id3Track: this._id3Track,
textTrack: this._txtTrack
},
this.extractRemainingSamples(t),
this.sampleAes ? this.decrypt(t, this.sampleAes) : t
}
,
e.extractRemainingSamples = function(t) {
var e, r = t.audioTrack, i = t.videoTrack, n = t.id3Track, a = t.textTrack, s = i.pesData, o = r.pesData, l = n.pesData;
if (s && (e = Pi(s)) ? (this.parseAVCPES(i, a, e, !0),
i.pesData = null) : i.pesData = s,
o && (e = Pi(o))) {
switch (r.segmentCodec) {
case "aac":
this.parseAACPES(r, e);
break;
case "mp3":
this.parseMPEGPES(r, e)
}
r.pesData = null
} else
null != o && o.size && w.log("last AAC PES packet truncated,might overlap between fragments"),
r.pesData = o;
l && (e = Pi(l)) ? (this.parseID3PES(n, e),
n.pesData = null) : n.pesData = l
}
,
e.demuxSampleAes = function(t, e, r) {
var i = this.demux(t, r, !0, !this.config.progressive)
, n = this.sampleAes = new ki(this.observer,this.config,e);
return this.decrypt(i, n)
}
,
e.decrypt = function(t, e) {
return new Promise((function(r) {
var i = t.audioTrack
, n = t.videoTrack;
i.samples && "aac" === i.segmentCodec ? e.decryptAacSamples(i.samples, 0, (function() {
n.samples ? e.decryptAvcSamples(n.samples, 0, 0, (function() {
r(t)
}
)) : r(t)
}
)) : n.samples && e.decryptAvcSamples(n.samples, 0, 0, (function() {
r(t)
}
))
}
))
}
,
e.destroy = function() {
this._duration = 0
}
,
e.parseAVCPES = function(t, e, r, i) {
var n, a = this, s = this.parseAVCNALu(t, r.data), o = this.avcSample, l = !1;
r.data = null,
o && s.length && !t.audFound && (xi(o, t),
o = this.avcSample = Ii(!1, r.pts, r.dts, "")),
s.forEach((function(i) {
var s;
switch (i.type) {
case 1:
var u = !1;
n = !0;
var h, d = i.data;
if (l && d.length > 4) {
var c = new Ai(d).readSliceType();
2 !== c && 4 !== c && 7 !== c && 9 !== c || (u = !0)
}
u && null != (h = o) && h.frame && !o.key && (xi(o, t),
o = a.avcSample = null),
o || (o = a.avcSample = Ii(!0, r.pts, r.dts, "")),
o.frame = !0,
o.key = u;
break;
case 5:
n = !0,
null != (s = o) && s.frame && !o.key && (xi(o, t),
o = a.avcSample = null),
o || (o = a.avcSample = Ii(!0, r.pts, r.dts, "")),
o.key = !0,
o.frame = !0;
break;
case 6:
n = !0,
Ot(i.data, 1, r.pts, e.samples);
break;
case 7:
if (n = !0,
l = !0,
!t.sps) {
var f = i.data
, g = new Ai(f).readSPS();
t.width = g.width,
t.height = g.height,
t.pixelRatio = g.pixelRatio,
t.sps = [f],
t.duration = a._duration;
for (var v = f.subarray(1, 4), m = "avc1.", p = 0; p < 3; p++) {
var y = v[p].toString(16);
y.length < 2 && (y = "0" + y),
m += y
}
t.codec = m
}
break;
case 8:
n = !0,
t.pps || (t.pps = [i.data]);
break;
case 9:
n = !1,
t.audFound = !0,
o && xi(o, t),
o = a.avcSample = Ii(!1, r.pts, r.dts, "");
break;
case 12:
n = !0;
break;
default:
n = !1,
o && (o.debug += "unknown NAL " + i.type + " ")
}
o && n && o.units.push(i)
}
)),
i && o && (xi(o, t),
this.avcSample = null)
}
,
e.getLastNalUnit = function(t) {
var e, r, i = this.avcSample;
if (i && 0 !== i.units.length || (i = t[t.length - 1]),
null != (e = i) && e.units) {
var n = i.units;
r = n[n.length - 1]
}
return r
}
,
e.parseAVCNALu = function(t, e) {
var r, i, n = e.byteLength, a = t.naluState || 0, s = a, o = [], l = 0, u = -1, h = 0;
for (-1 === a && (u = 0,
h = 31 & e[0],
a = 0,
l = 1); l < n; )
if (r = e[l++],
a)
if (1 !== a)
if (r)
if (1 === r) {
if (u >= 0) {
var d = {
data: e.subarray(u, l - a - 1),
type: h
};
o.push(d)
} else {
var c = this.getLastNalUnit(t.samples);
if (c && (s && l <= 4 - s && c.state && (c.data = c.data.subarray(0, c.data.byteLength - s)),
(i = l - a - 1) > 0)) {
var f = new Uint8Array(c.data.byteLength + i);
f.set(c.data, 0),
f.set(e.subarray(0, i), c.data.byteLength),
c.data = f,
c.state = 0
}
}
l < n ? (u = l,
h = 31 & e[l],
a = 0) : a = -1
} else
a = 0;
else
a = 3;
else
a = r ? 0 : 2;
else
a = r ? 0 : 1;
if (u >= 0 && a >= 0) {
var g = {
data: e.subarray(u, n),
type: h,
state: a
};
o.push(g)
}
if (0 === o.length) {
var v = this.getLastNalUnit(t.samples);
if (v) {
var m = new Uint8Array(v.data.byteLength + e.byteLength);
m.set(v.data, 0),
m.set(e, v.data.byteLength),
v.data = m
}
}
return t.naluState = a,
o
}
,
e.parseAACPES = function(t, e) {
var r, i, n, a = 0, s = this.aacOverFlow, o = e.data;
if (s) {
this.aacOverFlow = null;
var l = s.missing
, u = s.sample.unit.byteLength;
if (-1 === l) {
var h = new Uint8Array(u + o.byteLength);
h.set(s.sample.unit, 0),
h.set(o, u),
o = h
} else {
var d = u - l;
s.sample.unit.set(o.subarray(0, l), d),
t.samples.push(s.sample),
a = s.missing
}
}
for (r = a,
i = o.length; r < i - 1 && !si(o, r); r++)
;
if (r !== a) {
var c, f = r < i - 1;
c = f ? "AAC PES did not start with ADTS header,offset:" + r : "No ADTS header found in AAC PES";
var g = new Error(c);
if (w.warn("parsing error: " + c),
this.observer.emit(S.ERROR, S.ERROR, {
type: L.MEDIA_ERROR,
details: R.FRAG_PARSING_ERROR,
fatal: !1,
levelRetry: f,
error: g,
reason: c
}),
!f)
return
}
if (li(t, this.observer, o, r, this.audioCodec),
void 0 !== e.pts)
n = e.pts;
else {
if (!s)
return void w.warn("[tsdemuxer]: AAC PES unknown PTS");
var v = ui(t.samplerate);
n = s.sample.pts + v
}
for (var m, p = 0; r < i; ) {
if (r += (m = hi(t, o, r, n, p)).length,
m.missing) {
this.aacOverFlow = m;
break
}
for (p++; r < i - 1 && !si(o, r); r++)
;
}
}
,
e.parseMPEGPES = function(t, e) {
var r = e.data
, i = r.length
, n = 0
, a = 0
, s = e.pts;
if (void 0 !== s)
for (; a < i; )
if (Li(r, a)) {
var o = Ti(t, r, a, s, n);
if (!o)
break;
a += o.length,
n++
} else
a++;
else
w.warn("[tsdemuxer]: MPEG PES unknown PTS")
}
,
e.parseID3PES = function(t, e) {
if (void 0 !== e.pts) {
var r = o({}, e, {
type: this._avcTrack ? be : Ae,
duration: Number.POSITIVE_INFINITY
});
t.samples.push(r)
} else
w.warn("[tsdemuxer]: ID3 PES unknown PTS")
}
,
t
}();
function Ii(t, e, r, i) {
return {
key: t,
frame: !1,
pts: e,
dts: r,
units: [],
debug: i,
length: 0
}
}
function wi(t, e) {
return ((31 & t[e + 1]) << 8) + t[e + 2]
}
function Ci(t, e) {
return (31 & t[e + 10]) << 8 | t[e + 11]
}
function _i(t, e, r, i) {
var n = {
audio: -1,
avc: -1,
id3: -1,
segmentCodec: "aac"
}
, a = e + 3 + ((15 & t[e + 1]) << 8 | t[e + 2]) - 4;
for (e += 12 + ((15 & t[e + 10]) << 8 | t[e + 11]); e < a; ) {
var s = wi(t, e);
switch (t[e]) {
case 207:
if (!i) {
w.log("ADTS AAC with AES-128-CBC frame encryption found in unencrypted stream");
break
}
case 15:
-1 === n.audio && (n.audio = s);
break;
case 21:
-1 === n.id3 && (n.id3 = s);
break;
case 219:
if (!i) {
w.log("H.264 with AES-128-CBC slice encryption found in unencrypted stream");
break
}
case 27:
-1 === n.avc && (n.avc = s);
break;
case 3:
case 4:
!0 !== r.mpeg && !0 !== r.mp3 ? w.log("MPEG audio found, not supported in this browser") : -1 === n.audio && (n.audio = s,
n.segmentCodec = "mp3");
break;
case 36:
w.warn("Unsupported HEVC stream type found")
}
e += 5 + ((15 & t[e + 3]) << 8 | t[e + 4])
}
return n
}
function Pi(t) {
var e, r, i, n, a, s = 0, o = t.data;
if (!t || 0 === t.size)
return null;
for (; o[0].length < 19 && o.length > 1; ) {
var l = new Uint8Array(o[0].length + o[1].length);
l.set(o[0]),
l.set(o[1], o[0].length),
o[0] = l,
o.splice(1, 1)
}
if (1 === ((e = o[0])[0] << 16) + (e[1] << 8) + e[2]) {
if ((r = (e[4] << 8) + e[5]) && r > t.size - 6)
return null;
var u = e[7];
192 & u && (n = 536870912 * (14 & e[9]) + 4194304 * (255 & e[10]) + 16384 * (254 & e[11]) + 128 * (255 & e[12]) + (254 & e[13]) / 2,
64 & u ? n - (a = 536870912 * (14 & e[14]) + 4194304 * (255 & e[15]) + 16384 * (254 & e[16]) + 128 * (255 & e[17]) + (254 & e[18]) / 2) > 54e5 && (w.warn(Math.round((n - a) / 9e4) + "s delta between PTS and DTS, align them"),
n = a) : a = n);
var h = (i = e[8]) + 9;
if (t.size <= h)
return null;
t.size -= h;
for (var d = new Uint8Array(t.size), c = 0, f = o.length; c < f; c++) {
var g = (e = o[c]).byteLength;
if (h) {
if (h > g) {
h -= g;
continue
}
e = e.subarray(h),
g -= h,
h = 0
}
d.set(e, s),
s += g
}
return r && (r -= i + 3),
{
data: d,
pts: n,
dts: a,
len: r
}
}
return null
}
function xi(t, e) {
if (t.units.length && t.frame) {
if (void 0 === t.pts) {
var r = e.samples
, i = r.length;
if (!i)
return void e.dropped++;
var n = r[i - 1];
t.pts = n.pts,
t.dts = n.dts
}
e.samples.push(t)
}
t.debug.length && w.log(t.pts + "/" + t.dts + ":" + t.debug)
}
var Fi = function(t) {
function e() {
return t.apply(this, arguments) || this
}
l(e, t);
var r = e.prototype;
return r.resetInitSegment = function(e, r, i, n) {
t.prototype.resetInitSegment.call(this, e, r, i, n),
this._audioTrack = {
container: "audio/mpeg",
type: "audio",
id: 2,
pid: -1,
sequenceNumber: 0,
segmentCodec: "mp3",
samples: [],
manifestCodec: r,
duration: n,
inputTimeScale: 9e4,
dropped: 0
}
}
,
e.probe = function(t) {
if (!t)
return !1;
for (var e = (st(t, 0) || []).length, r = t.length; e < r; e++)
if (Ri(t, e))
return w.log("MPEG Audio sync word found !"),
!0;
return !1
}
,
r.canParse = function(t, e) {
return function(t, e) {
return Si(t, e) && 4 <= t.length - e
}(t, e)
}
,
r.appendFrame = function(t, e, r) {
if (null !== this.basePTS)
return Ti(t, e, r, this.basePTS, this.frameIndex)
}
,
e
}(ei)
, Mi = function() {
function t() {}
return t.getSilentFrame = function(t, e) {
if ("mp4a.40.2" === t) {
if (1 === e)
return new Uint8Array([0, 200, 0, 128, 35, 128]);
if (2 === e)
return new Uint8Array([33, 0, 73, 144, 2, 25, 0, 35, 128]);
if (3 === e)
return new Uint8Array([0, 200, 0, 128, 32, 132, 1, 38, 64, 8, 100, 0, 142]);
if (4 === e)
return new Uint8Array([0, 200, 0, 128, 32, 132, 1, 38, 64, 8, 100, 0, 128, 44, 128, 8, 2, 56]);
if (5 === e)
return new Uint8Array([0, 200, 0, 128, 32, 132, 1, 38, 64, 8, 100, 0, 130, 48, 4, 153, 0, 33, 144, 2, 56]);
if (6 === e)
return new Uint8Array([0, 200, 0, 128, 32, 132, 1, 38, 64, 8, 100, 0, 130, 48, 4, 153, 0, 33, 144, 2, 0, 178, 0, 32, 8, 224])
} else {
if (1 === e)
return new Uint8Array([1, 64, 34, 128, 163, 78, 230, 128, 186, 8, 0, 0, 0, 28, 6, 241, 193, 10, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 94]);
if (2 === e)
return new Uint8Array([1, 64, 34, 128, 163, 94, 230, 128, 186, 8, 0, 0, 0, 0, 149, 0, 6, 241, 161, 10, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 94]);
if (3 === e)
return new Uint8Array([1, 64, 34, 128, 163, 94, 230, 128, 186, 8, 0, 0, 0, 0, 149, 0, 6, 241, 161, 10, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 90, 94])
}
}
,
t
}()
, Oi = Math.pow(2, 32) - 1
, Ni = function() {
function t() {}
return t.init = function() {
var e;
for (e in t.types = {
avc1: [],
avcC: [],
btrt: [],
dinf: [],
dref: [],
esds: [],
ftyp: [],
hdlr: [],
mdat: [],
mdhd: [],
mdia: [],
mfhd: [],
minf: [],
moof: [],
moov: [],
mp4a: [],
".mp3": [],
mvex: [],
mvhd: [],
pasp: [],
sdtp: [],
stbl: [],
stco: [],
stsc: [],
stsd: [],
stsz: [],
stts: [],
tfdt: [],
tfhd: [],
traf: [],
trak: [],
trun: [],
trex: [],
tkhd: [],
vmhd: [],
smhd: []
},
t.types)
t.types.hasOwnProperty(e) && (t.types[e] = [e.charCodeAt(0), e.charCodeAt(1), e.charCodeAt(2), e.charCodeAt(3)]);
var r = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 118, 105, 100, 101, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 86, 105, 100, 101, 111, 72, 97, 110, 100, 108, 101, 114, 0])
, i = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 115, 111, 117, 110, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 83, 111, 117, 110, 100, 72, 97, 110, 100, 108, 101, 114, 0]);
t.HDLR_TYPES = {
video: r,
audio: i
};
var n = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 12, 117, 114, 108, 32, 0, 0, 0, 1])
, a = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0]);
t.STTS = t.STSC = t.STCO = a,
t.STSZ = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]),
t.VMHD = new Uint8Array([0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0]),
t.SMHD = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 0]),
t.STSD = new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1]);
var s = new Uint8Array([105, 115, 111, 109])
, o = new Uint8Array([97, 118, 99, 49])
, l = new Uint8Array([0, 0, 0, 1]);
t.FTYP = t.box(t.types.ftyp, s, l, s, o),
t.DINF = t.box(t.types.dinf, t.box(t.types.dref, n))
}
,
t.box = function(t) {
for (var e = 8, r = arguments.length, i = new Array(r > 1 ? r - 1 : 0), n = 1; n < r; n++)
i[n - 1] = arguments[n];
for (var a = i.length, s = a; a--; )
e += i[a].byteLength;
var o = new Uint8Array(e);
for (o[0] = e >> 24 & 255,
o[1] = e >> 16 & 255,
o[2] = e >> 8 & 255,
o[3] = 255 & e,
o.set(t, 4),
a = 0,
e = 8; a < s; a++)
o.set(i[a], e),
e += i[a].byteLength;
return o
}
,
t.hdlr = function(e) {
return t.box(t.types.hdlr, t.HDLR_TYPES[e])
}
,
t.mdat = function(e) {
return t.box(t.types.mdat, e)
}
,
t.mdhd = function(e, r) {
r *= e;
var i = Math.floor(r / (Oi + 1))
, n = Math.floor(r % (Oi + 1));
return t.box(t.types.mdhd, new Uint8Array([1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 3, e >> 24 & 255, e >> 16 & 255, e >> 8 & 255, 255 & e, i >> 24, i >> 16 & 255, i >> 8 & 255, 255 & i, n >> 24, n >> 16 & 255, n >> 8 & 255, 255 & n, 85, 196, 0, 0]))
}
,
t.mdia = function(e) {
return t.box(t.types.mdia, t.mdhd(e.timescale, e.duration), t.hdlr(e.type), t.minf(e))
}
,
t.mfhd = function(e) {
return t.box(t.types.mfhd, new Uint8Array([0, 0, 0, 0, e >> 24, e >> 16 & 255, e >> 8 & 255, 255 & e]))
}
,
t.minf = function(e) {
return "audio" === e.type ? t.box(t.types.minf, t.box(t.types.smhd, t.SMHD), t.DINF, t.stbl(e)) : t.box(t.types.minf, t.box(t.types.vmhd, t.VMHD), t.DINF, t.stbl(e))
}
,
t.moof = function(e, r, i) {
return t.box(t.types.moof, t.mfhd(e), t.traf(i, r))
}
,
t.moov = function(e) {
for (var r = e.length, i = []; r--; )
i[r] = t.trak(e[r]);
return t.box.apply(null, [t.types.moov, t.mvhd(e[0].timescale, e[0].duration)].concat(i).concat(t.mvex(e)))
}
,
t.mvex = function(e) {
for (var r = e.length, i = []; r--; )
i[r] = t.trex(e[r]);
return t.box.apply(null, [t.types.mvex].concat(i))
}
,
t.mvhd = function(e, r) {
r *= e;
var i = Math.floor(r / (Oi + 1))
, n = Math.floor(r % (Oi + 1))
, a = new Uint8Array([1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 3, e >> 24 & 255, e >> 16 & 255, e >> 8 & 255, 255 & e, i >> 24, i >> 16 & 255, i >> 8 & 255, 255 & i, n >> 24, n >> 16 & 255, n >> 8 & 255, 255 & n, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 255, 255, 255, 255]);
return t.box(t.types.mvhd, a)
}
,
t.sdtp = function(e) {
var r, i, n = e.samples || [], a = new Uint8Array(4 + n.length);
for (r = 0; r < n.length; r++)
i = n[r].flags,
a[r + 4] = i.dependsOn << 4 | i.isDependedOn << 2 | i.hasRedundancy;
return t.box(t.types.sdtp, a)
}
,
t.stbl = function(e) {
return t.box(t.types.stbl, t.stsd(e), t.box(t.types.stts, t.STTS), t.box(t.types.stsc, t.STSC), t.box(t.types.stsz, t.STSZ), t.box(t.types.stco, t.STCO))
}
,
t.avc1 = function(e) {
var r, i, n, a = [], s = [];
for (r = 0; r < e.sps.length; r++)
n = (i = e.sps[r]).byteLength,
a.push(n >>> 8 & 255),
a.push(255 & n),
a = a.concat(Array.prototype.slice.call(i));
for (r = 0; r < e.pps.length; r++)
n = (i = e.pps[r]).byteLength,
s.push(n >>> 8 & 255),
s.push(255 & n),
s = s.concat(Array.prototype.slice.call(i));
var o = t.box(t.types.avcC, new Uint8Array([1, a[3], a[4], a[5], 255, 224 | e.sps.length].concat(a).concat([e.pps.length]).concat(s)))
, l = e.width
, u = e.height
, h = e.pixelRatio[0]
, d = e.pixelRatio[1];
return t.box(t.types.avc1, new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, l >> 8 & 255, 255 & l, u >> 8 & 255, 255 & u, 0, 72, 0, 0, 0, 72, 0, 0, 0, 0, 0, 0, 0, 1, 18, 100, 97, 105, 108, 121, 109, 111, 116, 105, 111, 110, 47, 104, 108, 115, 46, 106, 115, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 24, 17, 17]), o, t.box(t.types.btrt, new Uint8Array([0, 28, 156, 128, 0, 45, 198, 192, 0, 45, 198, 192])), t.box(t.types.pasp, new Uint8Array([h >> 24, h >> 16 & 255, h >> 8 & 255, 255 & h, d >> 24, d >> 16 & 255, d >> 8 & 255, 255 & d])))
}
,
t.esds = function(t) {
var e = t.config.length;
return new Uint8Array([0, 0, 0, 0, 3, 23 + e, 0, 1, 0, 4, 15 + e, 64, 21, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5].concat([e]).concat(t.config).concat([6, 1, 2]))
}
,
t.mp4a = function(e) {
var r = e.samplerate;
return t.box(t.types.mp4a, new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, e.channelCount, 0, 16, 0, 0, 0, 0, r >> 8 & 255, 255 & r, 0, 0]), t.box(t.types.esds, t.esds(e)))
}
,
t.mp3 = function(e) {
var r = e.samplerate;
return t.box(t.types[".mp3"], new Uint8Array([0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, e.channelCount, 0, 16, 0, 0, 0, 0, r >> 8 & 255, 255 & r, 0, 0]))
}
,
t.stsd = function(e) {
return "audio" === e.type ? "mp3" === e.segmentCodec && "mp3" === e.codec ? t.box(t.types.stsd, t.STSD, t.mp3(e)) : t.box(t.types.stsd, t.STSD, t.mp4a(e)) : t.box(t.types.stsd, t.STSD, t.avc1(e))
}
,
t.tkhd = function(e) {
var r = e.id
, i = e.duration * e.timescale
, n = e.width
, a = e.height
, s = Math.floor(i / (Oi + 1))
, o = Math.floor(i % (Oi + 1));
return t.box(t.types.tkhd, new Uint8Array([1, 0, 0, 7, 0, 0, 0, 0, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 3, r >> 24 & 255, r >> 16 & 255, r >> 8 & 255, 255 & r, 0, 0, 0, 0, s >> 24, s >> 16 & 255, s >> 8 & 255, 255 & s, o >> 24, o >> 16 & 255, o >> 8 & 255, 255 & o, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 64, 0, 0, 0, n >> 8 & 255, 255 & n, 0, 0, a >> 8 & 255, 255 & a, 0, 0]))
}
,
t.traf = function(e, r) {
var i = t.sdtp(e)
, n = e.id
, a = Math.floor(r / (Oi + 1))
, s = Math.floor(r % (Oi + 1));
return t.box(t.types.traf, t.box(t.types.tfhd, new Uint8Array([0, 0, 0, 0, n >> 24, n >> 16 & 255, n >> 8 & 255, 255 & n])), t.box(t.types.tfdt, new Uint8Array([1, 0, 0, 0, a >> 24, a >> 16 & 255, a >> 8 & 255, 255 & a, s >> 24, s >> 16 & 255, s >> 8 & 255, 255 & s])), t.trun(e, i.length + 16 + 20 + 8 + 16 + 8 + 8), i)
}
,
t.trak = function(e) {
return e.duration = e.duration || 4294967295,
t.box(t.types.trak, t.tkhd(e), t.mdia(e))
}
,
t.trex = function(e) {
var r = e.id;
return t.box(t.types.trex, new Uint8Array([0, 0, 0, 0, r >> 24, r >> 16 & 255, r >> 8 & 255, 255 & r, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1]))
}
,
t.trun = function(e, r) {
var i, n, a, s, o, l, u = e.samples || [], h = u.length, d = 12 + 16 * h, c = new Uint8Array(d);
for (r += 8 + d,
c.set(["video" === e.type ? 1 : 0, 0, 15, 1, h >>> 24 & 255, h >>> 16 & 255, h >>> 8 & 255, 255 & h, r >>> 24 & 255, r >>> 16 & 255, r >>> 8 & 255, 255 & r], 0),
i = 0; i < h; i++)
a = (n = u[i]).duration,
s = n.size,
o = n.flags,
l = n.cts,
c.set([a >>> 24 & 255, a >>> 16 & 255, a >>> 8 & 255, 255 & a, s >>> 24 & 255, s >>> 16 & 255, s >>> 8 & 255, 255 & s, o.isLeading << 2 | o.dependsOn, o.isDependedOn << 6 | o.hasRedundancy << 4 | o.paddingValue << 1 | o.isNonSync, 61440 & o.degradPrio, 15 & o.degradPrio, l >>> 24 & 255, l >>> 16 & 255, l >>> 8 & 255, 255 & l], 12 + 16 * i);
return t.box(t.types.trun, c)
}
,
t.initSegment = function(e) {
t.types || t.init();
var r = t.moov(e)
, i = new Uint8Array(t.FTYP.byteLength + r.byteLength);
return i.set(t.FTYP),
i.set(r, t.FTYP.byteLength),
i
}
,
t
}();
function Ui(t, e, r, i) {
void 0 === r && (r = 1),
void 0 === i && (i = !1);
var n = t * e * r;
return i ? Math.round(n) : n
}
function Bi(t, e) {
return void 0 === e && (e = !1),
Ui(t, 1e3, 1 / 9e4, e)
}
Ni.types = void 0,
Ni.HDLR_TYPES = void 0,
Ni.STTS = void 0,
Ni.STSC = void 0,
Ni.STCO = void 0,
Ni.STSZ = void 0,
Ni.VMHD = void 0,
Ni.SMHD = void 0,
Ni.STSD = void 0,
Ni.FTYP = void 0,
Ni.DINF = void 0;
var Gi = null
, Ki = null
, Hi = function() {
function t(t, e, r, i) {
if (this.observer = void 0,
this.config = void 0,
this.typeSupported = void 0,
this.ISGenerated = !1,
this._initPTS = null,
this._initDTS = null,
this.nextAvcDts = null,
this.nextAudioPts = null,
this.videoSampleDuration = null,
this.isAudioContiguous = !1,
this.isVideoContiguous = !1,
this.observer = t,
this.config = e,
this.typeSupported = r,
this.ISGenerated = !1,
null === Gi) {
var n = (navigator.userAgent || "").match(/Chrome\/(\d+)/i);
Gi = n ? parseInt(n[1]) : 0
}
if (null === Ki) {
var a = navigator.userAgent.match(/Safari\/(\d+)/i);
Ki = a ? parseInt(a[1]) : 0
}
}
var e = t.prototype;
return e.destroy = function() {}
,
e.resetTimeStamp = function(t) {
w.log("[mp4-remuxer]: initPTS & initDTS reset"),
this._initPTS = this._initDTS = t
}
,
e.resetNextTimestamp = function() {
w.log("[mp4-remuxer]: reset next timestamp"),
this.isVideoContiguous = !1,
this.isAudioContiguous = !1
}
,
e.resetInitSegment = function() {
w.log("[mp4-remuxer]: ISGenerated flag reset"),
this.ISGenerated = !1
}
,
e.getVideoStartPts = function(t) {
var e = !1
, r = t.reduce((function(t, r) {
var i = r.pts - t;
return i < -4294967296 ? (e = !0,
Vi(t, r.pts)) : i > 0 ? t : r.pts
}
), t[0].pts);
return e && w.debug("PTS rollover detected"),
r
}
,
e.remux = function(t, e, r, i, n, a, s, o) {
var l, u, h, d, c, f, g = n, v = n, m = t.pid > -1, p = e.pid > -1, y = e.samples.length, T = t.samples.length > 0, E = s && y > 0 || y > 1;
if ((!m || T) && (!p || E) || this.ISGenerated || s) {
this.ISGenerated || (h = this.generateIS(t, e, n, a));
var S, L = this.isVideoContiguous, R = -1;
if (E && (R = function(t) {
for (var e = 0; e < t.length; e++)
if (t[e].key)
return e;
return -1
}(e.samples),
!L && this.config.forceKeyFrameOnDiscontinuity))
if (f = !0,
R > 0) {
w.warn("[mp4-remuxer]: Dropped " + R + " out of " + y + " video samples due to a missing keyframe");
var A = this.getVideoStartPts(e.samples);
e.samples = e.samples.slice(R),
e.dropped += R,
S = v += (e.samples[0].pts - A) / e.inputTimeScale
} else
-1 === R && (w.warn("[mp4-remuxer]: No keyframe found out of " + y + " video samples"),
f = !1);
if (this.ISGenerated) {
if (T && E) {
var k = this.getVideoStartPts(e.samples)
, b = (Vi(t.samples[0].pts, k) - k) / e.inputTimeScale;
g += Math.max(0, b),
v += Math.max(0, -b)
}
if (T) {
if (t.samplerate || (w.warn("[mp4-remuxer]: regenerate InitSegment as audio detected"),
h = this.generateIS(t, e, n, a)),
u = this.remuxAudio(t, g, this.isAudioContiguous, a, p || E || o === ve ? v : void 0),
E) {
var D = u ? u.endPTS - u.startPTS : 0;
e.inputTimeScale || (w.warn("[mp4-remuxer]: regenerate InitSegment as video detected"),
h = this.generateIS(t, e, n, a)),
l = this.remuxVideo(e, v, L, D)
}
} else
E && (l = this.remuxVideo(e, v, L, 0));
l && (l.firstKeyFrame = R,
l.independent = -1 !== R,
l.firstKeyFramePTS = S)
}
}
return this.ISGenerated && this._initPTS && this._initDTS && (r.samples.length && (c = Yi(r, n, this._initPTS, this._initDTS)),
i.samples.length && (d = Wi(i, n, this._initPTS))),
{
audio: u,
video: l,
initSegment: h,
independent: f,
text: d,
id3: c
}
}
,
e.generateIS = function(t, e, r, i) {
var n, a, s, o = t.samples, l = e.samples, u = this.typeSupported, h = {}, d = this._initPTS, c = !d || i, f = "audio/mp4";
if (c && (n = a = 1 / 0),
t.config && o.length && (t.timescale = t.samplerate,
"mp3" === t.segmentCodec && (u.mpeg ? (f = "audio/mpeg",
t.codec = "") : u.mp3 && (t.codec = "mp3")),
h.audio = {
id: "audio",
container: f,
codec: t.codec,
initSegment: "mp3" === t.segmentCodec && u.mpeg ? new Uint8Array(0) : Ni.initSegment([t]),
metadata: {
channelCount: t.channelCount
}
},
c && (s = t.inputTimeScale,
d && s === d.timescale ? c = !1 : n = a = o[0].pts - Math.round(s * r))),
e.sps && e.pps && l.length && (e.timescale = e.inputTimeScale,
h.video = {
id: "main",
container: "video/mp4",
codec: e.codec,
initSegment: Ni.initSegment([e]),
metadata: {
width: e.width,
height: e.height
}
},
c))
if (s = e.inputTimeScale,
d && s === d.timescale)
c = !1;
else {
var g = this.getVideoStartPts(l)
, v = Math.round(s * r);
a = Math.min(a, Vi(l[0].dts, g) - v),
n = Math.min(n, g - v)
}
if (Object.keys(h).length)
return this.ISGenerated = !0,
c ? (this._initPTS = {
baseTime: n,
timescale: s
},
this._initDTS = {
baseTime: a,
timescale: s
}) : n = s = void 0,
{
tracks: h,
initPTS: n,
timescale: s
}
}
,
e.remuxVideo = function(t, e, r, i) {
var n, a, s = t.inputTimeScale, l = t.samples, u = [], h = l.length, d = this._initPTS, c = this.nextAvcDts, f = 8, g = this.videoSampleDuration, v = Number.POSITIVE_INFINITY, m = Number.NEGATIVE_INFINITY, p = !1;
r && null !== c || (c = e * s - (l[0].pts - Vi(l[0].dts, l[0].pts)));
for (var y = d.baseTime * s / d.timescale, T = 0; T < h; T++) {
var E = l[T];
E.pts = Vi(E.pts - y, c),
E.dts = Vi(E.dts - y, c),
E.dts < l[T > 0 ? T - 1 : T].dts && (p = !0)
}
p && l.sort((function(t, e) {
var r = t.dts - e.dts
, i = t.pts - e.pts;
return r || i
}
)),
n = l[0].dts;
var A = (a = l[l.length - 1].dts) - n
, k = A ? Math.round(A / (h - 1)) : g || t.inputTimeScale / 30;
if (r) {
var b = n - c
, D = b > k
, I = b < -1;
if ((D || I) && (D ? w.warn("AVC: " + Bi(b, !0) + " ms (" + b + "dts) hole between fragments detected, filling it") : w.warn("AVC: " + Bi(-b, !0) + " ms (" + b + "dts) overlapping between fragments detected"),
!I || c >= l[0].pts)) {
n = c;
var C = l[0].pts - b;
l[0].dts = n,
l[0].pts = C,
w.log("Video: First PTS/DTS adjusted: " + Bi(C, !0) + "/" + Bi(n, !0) + ", delta: " + Bi(b, !0) + " ms")
}
}
n = Math.max(0, n);
for (var _ = 0, P = 0, x = 0; x < h; x++) {
for (var F = l[x], M = F.units, O = M.length, N = 0, U = 0; U < O; U++)
N += M[U].data.length;
P += N,
_ += O,
F.length = N,
F.dts = Math.max(F.dts, n),
v = Math.min(F.pts, v),
m = Math.max(F.pts, m)
}
a = l[h - 1].dts;
var B, G = P + 4 * _ + 8;
try {
B = new Uint8Array(G)
} catch (t) {
return void this.observer.emit(S.ERROR, S.ERROR, {
type: L.MUX_ERROR,
details: R.REMUX_ALLOC_ERROR,
fatal: !1,
error: t,
bytes: G,
reason: "fail allocating video mdat " + G
})
}
var K = new DataView(B.buffer);
K.setUint32(0, G),
B.set(Ni.types.mdat, 4);
for (var H = !1, V = Number.POSITIVE_INFINITY, Y = Number.POSITIVE_INFINITY, W = Number.NEGATIVE_INFINITY, j = Number.NEGATIVE_INFINITY, q = 0; q < h; q++) {
for (var X = l[q], z = X.units, Q = 0, $ = 0, J = z.length; $ < J; $++) {
var Z = z[$]
, tt = Z.data
, et = Z.data.byteLength;
K.setUint32(f, et),
f += 4,
B.set(tt, f),
f += et,
Q += 4 + et
}
var rt = void 0;
if (q < h - 1)
g = l[q + 1].dts - X.dts,
rt = l[q + 1].pts - X.pts;
else {
var it = this.config
, nt = q > 0 ? X.dts - l[q - 1].dts : k;
if (rt = q > 0 ? X.pts - l[q - 1].pts : k,
it.stretchShortVideoTrack && null !== this.nextAudioPts) {
var at = Math.floor(it.maxBufferHole * s)
, st = (i ? v + i * s : this.nextAudioPts) - X.pts;
st > at ? ((g = st - nt) < 0 ? g = nt : H = !0,
w.log("[mp4-remuxer]: It is approximately " + st / 90 + " ms to the next segment; using duration " + g / 90 + " ms for the last video frame.")) : g = nt
} else
g = nt
}
var ot = Math.round(X.pts - X.dts);
V = Math.min(V, g),
W = Math.max(W, g),
Y = Math.min(Y, rt),
j = Math.max(j, rt),
u.push(new qi(X.key,g,Q,ot))
}
if (u.length)
if (Gi) {
if (Gi < 70) {
var lt = u[0].flags;
lt.dependsOn = 2,
lt.isNonSync = 0
}
} else if (Ki && j - Y < W - V && k / W < .025 && 0 === u[0].cts) {
w.warn("Found irregular gaps in sample duration. Using PTS instead of DTS to determine MP4 sample duration.");
for (var ut = n, ht = 0, dt = u.length; ht < dt; ht++) {
var ct = ut + u[ht].duration
, ft = ut + u[ht].cts;
if (ht < dt - 1) {
var gt = ct + u[ht + 1].cts;
u[ht].duration = gt - ft
} else
u[ht].duration = ht ? u[ht - 1].duration : k;
u[ht].cts = 0,
ut = ct
}
}
g = H || !g ? k : g,
this.nextAvcDts = c = a + g,
this.videoSampleDuration = g,
this.isVideoContiguous = !0;
var vt = {
data1: Ni.moof(t.sequenceNumber++, n, o({}, t, {
samples: u
})),
data2: B,
startPTS: v / s,
endPTS: (m + g) / s,
startDTS: n / s,
endDTS: c / s,
type: "video",
hasAudio: !1,
hasVideo: !0,
nb: u.length,
dropped: t.dropped
};
return t.samples = [],
t.dropped = 0,
vt
}
,
e.remuxAudio = function(t, e, r, i, n) {
var a = t.inputTimeScale
, s = a / (t.samplerate ? t.samplerate : a)
, l = "aac" === t.segmentCodec ? 1024 : 1152
, u = l * s
, h = this._initPTS
, d = "mp3" === t.segmentCodec && this.typeSupported.mpeg
, c = []
, f = void 0 !== n
, g = t.samples
, v = d ? 0 : 8
, m = this.nextAudioPts || -1
, p = e * a
, y = h.baseTime * a / h.timescale;
if (this.isAudioContiguous = r = r || g.length && m > 0 && (i && Math.abs(p - m) < 9e3 || Math.abs(Vi(g[0].pts - y, p) - m) < 20 * u),
g.forEach((function(t) {
t.pts = Vi(t.pts - y, p)
}
)),
!r || m < 0) {
if (g = g.filter((function(t) {
return t.pts >= 0
}
)),
!g.length)
return;
m = 0 === n ? 0 : i && !f ? Math.max(0, p) : g[0].pts
}
if ("aac" === t.segmentCodec)
for (var T = this.config.maxAudioFramesDrift, E = 0, A = m; E < g.length; E++) {
var k = g[E]
, b = k.pts
, D = b - A
, I = Math.abs(1e3 * D / a);
if (D <= -T * u && f)
0 === E && (w.warn("Audio frame @ " + (b / a).toFixed(3) + "s overlaps nextAudioPts by " + Math.round(1e3 * D / a) + " ms."),
this.nextAudioPts = m = A = b);
else if (D >= T * u && I < 1e4 && f) {
var C = Math.round(D / u);
(A = b - C * u) < 0 && (C--,
A += u),
0 === E && (this.nextAudioPts = m = A),
w.warn("[mp4-remuxer]: Injecting " + C + " audio frame @ " + (A / a).toFixed(3) + "s due to " + Math.round(1e3 * D / a) + " ms gap.");
for (var _ = 0; _ < C; _++) {
var P = Math.max(A, 0)
, x = Mi.getSilentFrame(t.manifestCodec || t.codec, t.channelCount);
x || (w.log("[mp4-remuxer]: Unable to get silent frame for given audio codec; duplicating last frame instead."),
x = k.unit.subarray()),
g.splice(E, 0, {
unit: x,
pts: P
}),
A += u,
E++
}
}
k.pts = A,
A += u
}
for (var F, M = null, O = null, N = 0, U = g.length; U--; )
N += g[U].unit.byteLength;
for (var B = 0, G = g.length; B < G; B++) {
var K = g[B]
, H = K.unit
, V = K.pts;
if (null !== O)
c[B - 1].duration = Math.round((V - O) / s);
else {
if (r && "aac" === t.segmentCodec && (V = m),
M = V,
!(N > 0))
return;
N += v;
try {
F = new Uint8Array(N)
} catch (t) {
return void this.observer.emit(S.ERROR, S.ERROR, {
type: L.MUX_ERROR,
details: R.REMUX_ALLOC_ERROR,
fatal: !1,
error: t,
bytes: N,
reason: "fail allocating audio mdat " + N
})
}
d || (new DataView(F.buffer).setUint32(0, N),
F.set(Ni.types.mdat, 4))
}
F.set(H, v);
var Y = H.byteLength;
v += Y,
c.push(new qi(!0,l,Y,0)),
O = V
}
var W = c.length;
if (W) {
var j = c[c.length - 1];
this.nextAudioPts = m = O + s * j.duration;
var q = d ? new Uint8Array(0) : Ni.moof(t.sequenceNumber++, M / s, o({}, t, {
samples: c
}));
t.samples = [];
var X = M / a
, z = m / a
, Q = {
data1: q,
data2: F,
startPTS: X,
endPTS: z,
startDTS: X,
endDTS: z,
type: "audio",
hasAudio: !0,
hasVideo: !1,
nb: W
};
return this.isAudioContiguous = !0,
Q
}
}
,
e.remuxEmptyAudio = function(t, e, r, i) {
var n = t.inputTimeScale
, a = n / (t.samplerate ? t.samplerate : n)
, s = this.nextAudioPts
, o = this._initDTS
, l = 9e4 * o.baseTime / o.timescale
, u = (null !== s ? s : i.startDTS * n) + l
, h = i.endDTS * n + l
, d = 1024 * a
, c = Math.ceil((h - u) / d)
, f = Mi.getSilentFrame(t.manifestCodec || t.codec, t.channelCount);
if (w.warn("[mp4-remuxer]: remux empty Audio"),
f) {
for (var g = [], v = 0; v < c; v++) {
var m = u + v * d;
g.push({
unit: f,
pts: m,
dts: m
})
}
return t.samples = g,
this.remuxAudio(t, e, r, !1)
}
w.trace("[mp4-remuxer]: Unable to remuxEmptyAudio since we were unable to get a silent frame for given audio codec")
}
,
t
}();
function Vi(t, e) {
var r;
if (null === e)
return t;
for (r = e < t ? -8589934592 : 8589934592; Math.abs(t - e) > 4294967296; )
t += r;
return t
}
function Yi(t, e, r, i) {
var n = t.samples.length;
if (n) {
for (var a = t.inputTimeScale, s = 0; s < n; s++) {
var o = t.samples[s];
o.pts = Vi(o.pts - r.baseTime * a / r.timescale, e * a) / a,
o.dts = Vi(o.dts - i.baseTime * a / i.timescale, e * a) / a
}
var l = t.samples;
return t.samples = [],
{
samples: l
}
}
}
function Wi(t, e, r) {
var i = t.samples.length;
if (i) {
for (var n = t.inputTimeScale, a = 0; a < i; a++) {
var s = t.samples[a];
s.pts = Vi(s.pts - r.baseTime * n / r.timescale, e * n) / n
}
t.samples.sort((function(t, e) {
return t.pts - e.pts
}
));
var o = t.samples;
return t.samples = [],
{
samples: o
}
}
}
var ji, qi = function(t, e, r, i) {
this.size = void 0,
this.duration = void 0,
this.cts = void 0,
this.flags = void 0,
this.duration = e,
this.size = r,
this.cts = i,
this.flags = new Xi(t)
}, Xi = function(t) {
this.isLeading = 0,
this.isDependedOn = 0,
this.hasRedundancy = 0,
this.degradPrio = 0,
this.dependsOn = 1,
this.isNonSync = 1,
this.dependsOn = t ? 2 : 1,
this.isNonSync = t ? 0 : 1
}, zi = function() {
function t() {
this.emitInitSegment = !1,
this.audioCodec = void 0,
this.videoCodec = void 0,
this.initData = void 0,
this.initPTS = null,
this.initTracks = void 0,
this.lastEndTime = null
}
var e = t.prototype;
return e.destroy = function() {}
,
e.resetTimeStamp = function(t) {
this.initPTS = t,
this.lastEndTime = null
}
,
e.resetNextTimestamp = function() {
this.lastEndTime = null
}
,
e.resetInitSegment = function(t, e, r, i) {
this.audioCodec = e,
this.videoCodec = r,
this.generateInitSegment(function(t, e) {
if (!t || !e)
return t;
var r = e.keyId;
return r && e.isCommonEncryption && It(t, ["moov", "trak"]).forEach((function(t) {
var e = It(t, ["mdia", "minf", "stbl", "stsd"])[0].subarray(8)
, i = It(e, ["enca"])
, n = i.length > 0;
n || (i = It(e, ["encv"])),
i.forEach((function(t) {
It(n ? t.subarray(28) : t.subarray(78), ["sinf"]).forEach((function(t) {
var e = _t(t);
if (e) {
var i = e.subarray(8, 24);
i.some((function(t) {
return 0 !== t
}
)) || (w.log("[eme] Patching keyId in 'enc" + (n ? "a" : "v") + ">sinf>>tenc' box: " + Tt(i) + " -> " + Tt(r)),
e.set(r, 8))
}
}
))
}
))
}
)),
t
}(t, i)),
this.emitInitSegment = !0
}
,
e.generateInitSegment = function(t) {
var e = this.audioCodec
, r = this.videoCodec;
if (null == t || !t.byteLength)
return this.initTracks = void 0,
void (this.initData = void 0);
var i = this.initData = Ct(t);
e || (e = Qi(i.audio, O)),
r || (r = Qi(i.video, N));
var n = {};
i.audio && i.video ? n.audiovideo = {
container: "video/mp4",
codec: e + "," + r,
initSegment: t,
id: "main"
} : i.audio ? n.audio = {
container: "audio/mp4",
codec: e,
initSegment: t,
id: "audio"
} : i.video ? n.video = {
container: "video/mp4",
codec: r,
initSegment: t,
id: "main"
} : w.warn("[passthrough-remuxer.ts]: initSegment does not contain moov or trak boxes."),
this.initTracks = n
}
,
e.remux = function(t, e, r, i, n, a) {
var s, o, l = this.initPTS, u = this.lastEndTime, h = {
audio: void 0,
video: void 0,
text: i,
id3: r,
initSegment: void 0
};
E(u) || (u = this.lastEndTime = n || 0);
var d = e.samples;
if (null == d || !d.length)
return h;
var c = {
initPTS: void 0,
timescale: 1
}
, f = this.initData;
if (null != (s = f) && s.length || (this.generateInitSegment(d),
f = this.initData),
null == (o = f) || !o.length)
return w.warn("[passthrough-remuxer.ts]: Failed to generate initSegment."),
h;
this.emitInitSegment && (c.tracks = this.initTracks,
this.emitInitSegment = !1);
var g = function(t, e) {
for (var r = 0, i = 0, n = 0, a = It(t, ["moof", "traf"]), s = 0; s < a.length; s++) {
var o = a[s]
, l = It(o, ["tfhd"])[0]
, u = e[kt(l, 4)];
if (u) {
var h = u.default
, d = kt(l, 0) | (null == h ? void 0 : h.flags)
, c = null == h ? void 0 : h.duration;
8 & d && (c = kt(l, 2 & d ? 12 : 8));
for (var f = u.timescale || 9e4, g = It(o, ["trun"]), v = 0; v < g.length; v++)
!(r = Pt(g[v])) && c && (r = c * kt(g[v], 4)),
u.type === N ? i += r / f : u.type === O && (n += r / f)
}
}
if (0 === i && 0 === n) {
for (var m = 0, p = It(t, ["sidx"]), y = 0; y < p.length; y++) {
var T = wt(p[y]);
null != T && T.references && (m += T.references.reduce((function(t, e) {
return t + e.info.duration || 0
}
), 0))
}
return m
}
return i || n
}(d, f)
, v = function(t, e) {
return It(e, ["moof", "traf"]).reduce((function(e, r) {
var i = It(r, ["tfdt"])[0]
, n = i[0]
, a = It(r, ["tfhd"]).reduce((function(e, r) {
var a = kt(r, 4)
, s = t[a];
if (s) {
var o = kt(i, 4);
if (1 === n) {
if (o === Et)
return w.warn("[mp4-demuxer]: Ignoring assumed invalid signed 64-bit track fragment decode time"),
e;
o *= Et + 1,
o += kt(i, 8)
}
var l = o / (s.timescale || 9e4);
if (isFinite(l) && (null === e || l < e))
return l
}
return e
}
), null);
return null !== a && isFinite(a) && (null === e || a < e) ? a : e
}
), null)
}(f, d)
, m = null === v ? n : v;
(function(t, e, r, i) {
if (null === t)
return !0;
var n = Math.max(i, 1)
, a = e - t.baseTime / t.timescale;
return Math.abs(a - r) > n
}(l, m, n, g) || c.timescale !== l.timescale && a) && (c.initPTS = m - n,
l && 1 === l.timescale && w.warn("Adjusting initPTS by " + (c.initPTS - l.baseTime)),
this.initPTS = l = {
baseTime: c.initPTS,
timescale: 1
});
var p = t ? m - l.baseTime / l.timescale : u
, y = p + g;
!function(t, e, r) {
It(e, ["moof", "traf"]).forEach((function(e) {
It(e, ["tfhd"]).forEach((function(i) {
var n = kt(i, 4)
, a = t[n];
if (a) {
var s = a.timescale || 9e4;
It(e, ["tfdt"]).forEach((function(t) {
var e = t[0]
, i = kt(t, 4);
if (0 === e)
i -= r * s,
Dt(t, 4, i = Math.max(i, 0));
else {
i *= Math.pow(2, 32),
i += kt(t, 8),
i -= r * s,
i = Math.max(i, 0);
var n = Math.floor(i / (Et + 1))
, a = Math.floor(i % (Et + 1));
Dt(t, 4, n),
Dt(t, 8, a)
}
}
))
}
}
))
}
))
}(f, d, l.baseTime / l.timescale),
g > 0 ? this.lastEndTime = y : (w.warn("Duration parsed from mp4 should be greater than zero"),
this.resetNextTimestamp());
var T = !!f.audio
, S = !!f.video
, L = "";
T && (L += "audio"),
S && (L += "video");
var R = {
data1: d,
startPTS: p,
startDTS: p,
endPTS: y,
endDTS: y,
type: L,
hasAudio: T,
hasVideo: S,
nb: 1,
dropped: 0
};
return h.audio = "audio" === R.type ? R : void 0,
h.video = "audio" !== R.type ? R : void 0,
h.initSegment = c,
h.id3 = Yi(r, n, l, l),
i.samples.length && (h.text = Wi(i, n, l)),
h
}
,
t
}();
function Qi(t, e) {
var r = null == t ? void 0 : t.codec;
return r && r.length > 4 ? r : "hvc1" === r || "hev1" === r ? "hvc1.1.6.L120.90" : "av01" === r ? "av01.0.04M.08" : "avc1" === r || e === N ? "avc1.42e01e" : "mp4a.40.5"
}
try {
ji = self.performance.now.bind(self.performance)
} catch (t) {
w.debug("Unable to use Performance API on this environment"),
ji = "undefined" != typeof self && self.Date.now
}
var $i = [{
demux: fi,
remux: zi
}, {
demux: Di,
remux: Hi
}, {
demux: di,
remux: Hi
}, {
demux: Fi,
remux: Hi
}]
, Ji = function() {
function t(t, e, r, i, n) {
this.async = !1,
this.observer = void 0,
this.typeSupported = void 0,
this.config = void 0,
this.vendor = void 0,
this.id = void 0,
this.demuxer = void 0,
this.remuxer = void 0,
this.decrypter = void 0,
this.probe = void 0,
this.decryptionPromise = null,
this.transmuxConfig = void 0,
this.currentTransmuxState = void 0,
this.observer = t,
this.typeSupported = e,
this.config = r,
this.vendor = i,
this.id = n
}
var e = t.prototype;
return e.configure = function(t) {
this.transmuxConfig = t,
this.decrypter && this.decrypter.reset()
}
,
e.push = function(t, e, r, i) {
var n = this
, a = r.transmuxing;
a.executeStart = ji();
var s = new Uint8Array(t)
, o = this.currentTransmuxState
, l = this.transmuxConfig;
i && (this.currentTransmuxState = i);
var u = i || o
, h = u.contiguous
, d = u.discontinuity
, c = u.trackSwitch
, f = u.accurateTimeOffset
, g = u.timeOffset
, v = u.initSegmentChange
, m = l.audioCodec
, p = l.videoCodec
, y = l.defaultInitPts
, T = l.duration
, E = l.initSegmentData
, A = function(t, e) {
var r = null;
return t.byteLength > 0 && null != e && null != e.key && null !== e.iv && null != e.method && (r = e),
r
}(s, e);
if (A && "AES-128" === A.method) {
var k = this.getDecrypter();
if (!k.isSync())
return this.decryptionPromise = k.webCryptoDecrypt(s, A.key.buffer, A.iv.buffer).then((function(t) {
var e = n.push(t, null, r);
return n.decryptionPromise = null,
e
}
)),
this.decryptionPromise;
var b = k.softwareDecrypt(s, A.key.buffer, A.iv.buffer);
if (r.part > -1 && (b = k.flush()),
!b)
return a.executeEnd = ji(),
Zi(r);
s = new Uint8Array(b)
}
var D = this.needsProbing(d, c);
if (D) {
var I = this.configureTransmuxer(s);
if (I)
return w.warn("[transmuxer] " + I.message),
this.observer.emit(S.ERROR, S.ERROR, {
type: L.MEDIA_ERROR,
details: R.FRAG_PARSING_ERROR,
fatal: !1,
error: I,
reason: I.message
}),
a.executeEnd = ji(),
Zi(r)
}
(d || c || v || D) && this.resetInitSegment(E, m, p, T, e),
(d || v || D) && this.resetInitialTimestamp(y),
h || this.resetContiguity();
var C = this.transmux(s, A, g, f, r)
, _ = this.currentTransmuxState;
return _.contiguous = !0,
_.discontinuity = !1,
_.trackSwitch = !1,
a.executeEnd = ji(),
C
}
,
e.flush = function(t) {
var e = this
, r = t.transmuxing;
r.executeStart = ji();
var i = this.decrypter
, n = this.currentTransmuxState
, a = this.decryptionPromise;
if (a)
return a.then((function() {
return e.flush(t)
}
));
var s = []
, o = n.timeOffset;
if (i) {
var l = i.flush();
l && s.push(this.push(l, null, t))
}
var u = this.demuxer
, h = this.remuxer;
if (!u || !h)
return r.executeEnd = ji(),
[Zi(t)];
var d = u.flush(o);
return tn(d) ? d.then((function(r) {
return e.flushRemux(s, r, t),
s
}
)) : (this.flushRemux(s, d, t),
s)
}
,
e.flushRemux = function(t, e, r) {
var i = e.audioTrack
, n = e.videoTrack
, a = e.id3Track
, s = e.textTrack
, o = this.currentTransmuxState
, l = o.accurateTimeOffset
, u = o.timeOffset;
w.log("[transmuxer.ts]: Flushed fragment " + r.sn + (r.part > -1 ? " p: " + r.part : "") + " of level " + r.level);
var h = this.remuxer.remux(i, n, a, s, u, l, !0, this.id);
t.push({
remuxResult: h,
chunkMeta: r
}),
r.transmuxing.executeEnd = ji()
}
,
e.resetInitialTimestamp = function(t) {
var e = this.demuxer
, r = this.remuxer;
e && r && (e.resetTimeStamp(t),
r.resetTimeStamp(t))
}
,
e.resetContiguity = function() {
var t = this.demuxer
, e = this.remuxer;
t && e && (t.resetContiguity(),
e.resetNextTimestamp())
}
,
e.resetInitSegment = function(t, e, r, i, n) {
var a = this.demuxer
, s = this.remuxer;
a && s && (a.resetInitSegment(t, e, r, i),
s.resetInitSegment(t, e, r, n))
}
,
e.destroy = function() {
this.demuxer && (this.demuxer.destroy(),
this.demuxer = void 0),
this.remuxer && (this.remuxer.destroy(),
this.remuxer = void 0)
}
,
e.transmux = function(t, e, r, i, n) {
return e && "SAMPLE-AES" === e.method ? this.transmuxSampleAes(t, e, r, i, n) : this.transmuxUnencrypted(t, r, i, n)
}
,
e.transmuxUnencrypted = function(t, e, r, i) {
var n = this.demuxer.demux(t, e, !1, !this.config.progressive)
, a = n.audioTrack
, s = n.videoTrack
, o = n.id3Track
, l = n.textTrack;
return {
remuxResult: this.remuxer.remux(a, s, o, l, e, r, !1, this.id),
chunkMeta: i
}
}
,
e.transmuxSampleAes = function(t, e, r, i, n) {
var a = this;
return this.demuxer.demuxSampleAes(t, e, r).then((function(t) {
return {
remuxResult: a.remuxer.remux(t.audioTrack, t.videoTrack, t.id3Track, t.textTrack, r, i, !1, a.id),
chunkMeta: n
}
}
))
}
,
e.configureTransmuxer = function(t) {
for (var e, r = this.config, i = this.observer, n = this.typeSupported, a = this.vendor, s = 0, o = $i.length; s < o; s++)
if ($i[s].demux.probe(t)) {
e = $i[s];
break
}
if (!e)
return new Error("Failed to find demuxer by probing fragment data");
var l = this.demuxer
, u = this.remuxer
, h = e.remux
, d = e.demux;
u && u instanceof h || (this.remuxer = new h(i,r,n,a)),
l && l instanceof d || (this.demuxer = new d(i,r,n),
this.probe = d.probe)
}
,
e.needsProbing = function(t, e) {
return !this.demuxer || !this.remuxer || t || e
}
,
e.getDecrypter = function() {
var t = this.decrypter;
return t || (t = this.decrypter = new Ur(this.config)),
t
}
,
t
}()
, Zi = function(t) {
return {
remuxResult: {},
chunkMeta: t
}
};
function tn(t) {
return "then"in t && t.then instanceof Function
}
var en = function(t, e, r, i, n) {
this.audioCodec = void 0,
this.videoCodec = void 0,
this.initSegmentData = void 0,
this.duration = void 0,
this.defaultInitPts = void 0,
this.audioCodec = t,
this.videoCodec = e,
this.initSegmentData = r,
this.duration = i,
this.defaultInitPts = n || null
}
, rn = function(t, e, r, i, n, a) {
this.discontinuity = void 0,
this.contiguous = void 0,
this.accurateTimeOffset = void 0,
this.trackSwitch = void 0,
this.timeOffset = void 0,
this.initSegmentChange = void 0,
this.discontinuity = t,
this.contiguous = e,
this.accurateTimeOffset = r,
this.trackSwitch = i,
this.timeOffset = n,
this.initSegmentChange = a
}
, nn = {
exports: {}
};
!function(t) {
var e = Object.prototype.hasOwnProperty
, r = "~";
function i() {}
function n(t, e, r) {
this.fn = t,
this.context = e,
this.once = r || !1
}
function a(t, e, i, a, s) {
if ("function" != typeof i)
throw new TypeError("The listener must be a function");
var o = new n(i,a || t,s)
, l = r ? r + e : e;
return t._events[l] ? t._events[l].fn ? t._events[l] = [t._events[l], o] : t._events[l].push(o) : (t._events[l] = o,
t._eventsCount++),
t
}
function s(t, e) {
0 == --t._eventsCount ? t._events = new i : delete t._events[e]
}
function o() {
this._events = new i,
this._eventsCount = 0
}
Object.create && (i.prototype = Object.create(null),
(new i).__proto__ || (r = !1)),
o.prototype.eventNames = function() {
var t, i, n = [];
if (0 === this._eventsCount)
return n;
for (i in t = this._events)
e.call(t, i) && n.push(r ? i.slice(1) : i);
return Object.getOwnPropertySymbols ? n.concat(Object.getOwnPropertySymbols(t)) : n
}
,
o.prototype.listeners = function(t) {
var e = r ? r + t : t
, i = this._events[e];
if (!i)
return [];
if (i.fn)
return [i.fn];
for (var n = 0, a = i.length, s = new Array(a); n < a; n++)
s[n] = i[n].fn;
return s
}
,
o.prototype.listenerCount = function(t) {
var e = r ? r + t : t
, i = this._events[e];
return i ? i.fn ? 1 : i.length : 0
}
,
o.prototype.emit = function(t, e, i, n, a, s) {
var o = r ? r + t : t;
if (!this._events[o])
return !1;
var l, u, h = this._events[o], d = arguments.length;
if (h.fn) {
switch (h.once && this.removeListener(t, h.fn, void 0, !0),
d) {
case 1:
return h.fn.call(h.context),
!0;
case 2:
return h.fn.call(h.context, e),
!0;
case 3:
return h.fn.call(h.context, e, i),
!0;
case 4:
return h.fn.call(h.context, e, i, n),
!0;
case 5:
return h.fn.call(h.context, e, i, n, a),
!0;
case 6:
return h.fn.call(h.context, e, i, n, a, s),
!0
}
for (u = 1,
l = new Array(d - 1); u < d; u++)
l[u - 1] = arguments[u];
h.fn.apply(h.context, l)
} else {
var c, f = h.length;
for (u = 0; u < f; u++)
switch (h[u].once && this.removeListener(t, h[u].fn, void 0, !0),
d) {
case 1:
h[u].fn.call(h[u].context);
break;
case 2:
h[u].fn.call(h[u].context, e);
break;
case 3:
h[u].fn.call(h[u].context, e, i);
break;
case 4:
h[u].fn.call(h[u].context, e, i, n);
break;
default:
if (!l)
for (c = 1,
l = new Array(d - 1); c < d; c++)
l[c - 1] = arguments[c];
h[u].fn.apply(h[u].context, l)
}
}
return !0
}
,
o.prototype.on = function(t, e, r) {
return a(this, t, e, r, !1)
}
,
o.prototype.once = function(t, e, r) {
return a(this, t, e, r, !0)
}
,
o.prototype.removeListener = function(t, e, i, n) {
var a = r ? r + t : t;
if (!this._events[a])
return this;
if (!e)
return s(this, a),
this;
var o = this._events[a];
if (o.fn)
o.fn !== e || n && !o.once || i && o.context !== i || s(this, a);
else {
for (var l = 0, u = [], h = o.length; l < h; l++)
(o[l].fn !== e || n && !o[l].once || i && o[l].context !== i) && u.push(o[l]);
u.length ? this._events[a] = 1 === u.length ? u[0] : u : s(this, a)
}
return this
}
,
o.prototype.removeAllListeners = function(t) {
var e;
return t ? (e = r ? r + t : t,
this._events[e] && s(this, e)) : (this._events = new i,
this._eventsCount = 0),
this
}
,
o.prototype.off = o.prototype.removeListener,
o.prototype.addListener = o.prototype.on,
o.prefixed = r,
o.EventEmitter = o,
t.exports = o
}(nn);
var an = p(nn.exports);
function sn(t, e) {
if (!((r = e.remuxResult).audio || r.video || r.text || r.id3 || r.initSegment))
return !1;
var r, i = [], n = e.remuxResult, a = n.audio, s = n.video;
return a && on(i, a),
s && on(i, s),
t.postMessage({
event: "transmuxComplete",
data: e
}, i),
!0
}
function on(t, e) {
e.data1 && t.push(e.data1.buffer),
e.data2 && t.push(e.data2.buffer)
}
function ln(t, e, r) {
e.reduce((function(e, r) {
return sn(t, r) || e
}
), !1) || t.postMessage({
event: "transmuxComplete",
data: e[0]
}),
t.postMessage({
event: "flush",
data: r
})
}
void 0 !== e && e && function(t) {
var e = new an
, r = function(e, r) {
t.postMessage({
event: e,
data: r
})
};
e.on(S.FRAG_DECRYPTED, r),
e.on(S.ERROR, r);
var i = function() {
var t = function(t) {
var e = function(e) {
r("workerLog", {
logType: t,
message: e
})
};
w[t] = e
};
for (var e in w)
t(e)
};
t.addEventListener("message", (function(n) {
var a = n.data;
switch (a.cmd) {
case "init":
var s = JSON.parse(a.config);
t.transmuxer = new Ji(e,a.typeSupported,s,a.vendor,a.id),
I(s.debug, a.id),
i(),
r("init", null);
break;
case "configure":
t.transmuxer.configure(a.config);
break;
case "demux":
var o = t.transmuxer.push(a.data, a.decryptdata, a.chunkMeta, a.state);
tn(o) ? (t.transmuxer.async = !0,
o.then((function(e) {
sn(t, e)
}
)).catch((function(t) {
r(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.FRAG_PARSING_ERROR,
chunkMeta: a.chunkMeta,
fatal: !1,
error: t,
err: t,
reason: "transmuxer-worker push error"
})
}
))) : (t.transmuxer.async = !1,
sn(t, o));
break;
case "flush":
var l = a.chunkMeta
, u = t.transmuxer.flush(l);
tn(u) || t.transmuxer.async ? (tn(u) || (u = Promise.resolve(u)),
u.then((function(e) {
ln(t, e, l)
}
)).catch((function(t) {
r(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.FRAG_PARSING_ERROR,
chunkMeta: a.chunkMeta,
fatal: !1,
error: t,
err: t,
reason: "transmuxer-worker flush error"
})
}
))) : ln(t, u, l)
}
}
))
}(self);
var un = qt() || {
isTypeSupported: function() {
return !1
}
}
, hn = function() {
function e(e, r, i, n) {
var a = this;
this.error = null,
this.hls = void 0,
this.id = void 0,
this.observer = void 0,
this.frag = null,
this.part = null,
this.useWorker = void 0,
this.workerContext = null,
this.onwmsg = void 0,
this.transmuxer = null,
this.onTransmuxComplete = void 0,
this.onFlush = void 0;
var s = e.config;
this.hls = e,
this.id = r,
this.useWorker = !!s.enableWorker,
this.onTransmuxComplete = i,
this.onFlush = n;
var o = function(t, e) {
(e = e || {}).frag = a.frag,
e.id = a.id,
t === S.ERROR && (a.error = e.error),
a.hls.trigger(t, e)
};
this.observer = new an,
this.observer.on(S.FRAG_DECRYPTED, o),
this.observer.on(S.ERROR, o);
var l, u, h, d, c = {
mp4: un.isTypeSupported("video/mp4"),
mpeg: un.isTypeSupported("audio/mpeg"),
mp3: un.isTypeSupported('audio/mp4; codecs="mp3"')
}, f = navigator.vendor;
if (!this.useWorker || "undefined" == typeof Worker || (s.workerPath,
0))
this.transmuxer = new Ji(this.observer,c,s,f,r);
else
try {
s.workerPath ? (w.log("loading Web Worker " + s.workerPath + ' for "' + r + '"'),
this.workerContext = (h = s.workerPath,
d = new self.URL(h,self.location.href).href,
{
worker: new self.Worker(d),
scriptURL: d
})) : (w.log('injecting Web Worker for "' + r + '"'),
this.workerContext = (l = new self.Blob(["var exports={};var module={exports:exports};function define(f){f()};define.amd=true;(" + t.toString() + ")(true);"],{
type: "text/javascript"
}),
u = self.URL.createObjectURL(l),
{
worker: new self.Worker(u),
objectURL: u
})),
this.onwmsg = function(t) {
return a.onWorkerMessage(t)
}
;
var g = this.workerContext.worker;
g.addEventListener("message", this.onwmsg),
g.onerror = function(t) {
var e = new Error(t.message + " (" + t.filename + ":" + t.lineno + ")");
s.enableWorker = !1,
w.warn('Error in "' + r + '" Web Worker, fallback to inline'),
a.hls.trigger(S.ERROR, {
type: L.OTHER_ERROR,
details: R.INTERNAL_EXCEPTION,
fatal: !1,
event: "demuxerWorker",
error: e
})
}
,
g.postMessage({
cmd: "init",
typeSupported: c,
vendor: f,
id: r,
config: JSON.stringify(s)
})
} catch (t) {
w.warn('Error setting up "' + r + '" Web Worker, fallback to inline', t),
this.resetWorker(),
this.error = null,
this.transmuxer = new Ji(this.observer,c,s,f,r)
}
}
var r = e.prototype;
return r.resetWorker = function() {
if (this.workerContext) {
var t = this.workerContext
, e = t.worker
, r = t.objectURL;
r && self.URL.revokeObjectURL(r),
e.removeEventListener("message", this.onwmsg),
e.onerror = null,
e.terminate(),
this.workerContext = null
}
}
,
r.destroy = function() {
if (this.workerContext)
this.resetWorker(),
this.onwmsg = void 0;
else {
var t = this.transmuxer;
t && (t.destroy(),
this.transmuxer = null)
}
var e = this.observer;
e && e.removeAllListeners(),
this.frag = null,
this.observer = null,
this.hls = null
}
,
r.push = function(t, e, r, i, n, a, s, o, l, u) {
var h, d, c = this;
l.transmuxing.start = self.performance.now();
var f = this.transmuxer
, g = a ? a.start : n.start
, v = n.decryptdata
, m = this.frag
, p = !(m && n.cc === m.cc)
, y = !(m && l.level === m.level)
, T = m ? l.sn - m.sn : -1
, E = this.part ? l.part - this.part.index : -1
, S = 0 === T && l.id > 1 && l.id === (null == m ? void 0 : m.stats.chunkCount)
, L = !y && (1 === T || 0 === T && (1 === E || S && E <= 0))
, R = self.performance.now();
(y || T || 0 === n.stats.parsing.start) && (n.stats.parsing.start = R),
!a || !E && L || (a.stats.parsing.start = R);
var A = !(m && (null == (h = n.initSegment) ? void 0 : h.url) === (null == (d = m.initSegment) ? void 0 : d.url))
, k = new rn(p,L,o,y,g,A);
if (!L || p || A) {
w.log("[transmuxer-interface, " + n.type + "]: Starting new transmux session for sn: " + l.sn + " p: " + l.part + " level: " + l.level + " id: " + l.id + "\n discontinuity: " + p + "\n trackSwitch: " + y + "\n contiguous: " + L + "\n accurateTimeOffset: " + o + "\n timeOffset: " + g + "\n initSegmentChange: " + A);
var b = new en(r,i,e,s,u);
this.configureTransmuxer(b)
}
if (this.frag = n,
this.part = a,
this.workerContext)
this.workerContext.worker.postMessage({
cmd: "demux",
data: t,
decryptdata: v,
chunkMeta: l,
state: k
}, t instanceof ArrayBuffer ? [t] : []);
else if (f) {
var D = f.push(t, v, l, k);
tn(D) ? (f.async = !0,
D.then((function(t) {
c.handleTransmuxComplete(t)
}
)).catch((function(t) {
c.transmuxerError(t, l, "transmuxer-interface push error")
}
))) : (f.async = !1,
this.handleTransmuxComplete(D))
}
}
,
r.flush = function(t) {
var e = this;
t.transmuxing.start = self.performance.now();
var r = this.transmuxer;
if (this.workerContext)
this.workerContext.worker.postMessage({
cmd: "flush",
chunkMeta: t
});
else if (r) {
var i = r.flush(t);
tn(i) || r.async ? (tn(i) || (i = Promise.resolve(i)),
i.then((function(r) {
e.handleFlushResult(r, t)
}
)).catch((function(r) {
e.transmuxerError(r, t, "transmuxer-interface flush error")
}
))) : this.handleFlushResult(i, t)
}
}
,
r.transmuxerError = function(t, e, r) {
this.hls && (this.error = t,
this.hls.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.FRAG_PARSING_ERROR,
chunkMeta: e,
fatal: !1,
error: t,
err: t,
reason: r
}))
}
,
r.handleFlushResult = function(t, e) {
var r = this;
t.forEach((function(t) {
r.handleTransmuxComplete(t)
}
)),
this.onFlush(e)
}
,
r.onWorkerMessage = function(t) {
var e = t.data
, r = this.hls;
switch (e.event) {
case "init":
var i, n = null == (i = this.workerContext) ? void 0 : i.objectURL;
n && self.URL.revokeObjectURL(n);
break;
case "transmuxComplete":
this.handleTransmuxComplete(e.data);
break;
case "flush":
this.onFlush(e.data);
break;
case "workerLog":
w[e.data.logType] && w[e.data.logType](e.data.message);
break;
default:
e.data = e.data || {},
e.data.frag = this.frag,
e.data.id = this.id,
r.trigger(e.event, e.data)
}
}
,
r.configureTransmuxer = function(t) {
var e = this.transmuxer;
this.workerContext ? this.workerContext.worker.postMessage({
cmd: "configure",
config: t
}) : e && e.configure(t)
}
,
r.handleTransmuxComplete = function(t) {
t.chunkMeta.transmuxing.end = self.performance.now(),
this.onTransmuxComplete(t)
}
,
e
}()
, dn = function() {
function t(t, e, r, i) {
this.config = void 0,
this.media = null,
this.fragmentTracker = void 0,
this.hls = void 0,
this.nudgeRetry = 0,
this.stallReported = !1,
this.stalled = null,
this.moved = !1,
this.seeking = !1,
this.config = t,
this.media = e,
this.fragmentTracker = r,
this.hls = i
}
var e = t.prototype;
return e.destroy = function() {
this.media = null,
this.hls = this.fragmentTracker = null
}
,
e.poll = function(t, e) {
var r = this.config
, i = this.media
, n = this.stalled;
if (null !== i) {
var a = i.currentTime
, s = i.seeking
, o = this.seeking && !s
, l = !this.seeking && s;
if (this.seeking = s,
a === t) {
if (l || o)
this.stalled = null;
else if (!(i.paused && !s || i.ended || 0 === i.playbackRate) && Ir.getBuffered(i).length) {
var u = Ir.bufferInfo(i, a, 0)
, h = u.len > 0
, d = u.nextStart || 0;
if (h || d) {
if (s) {
var c = u.len > 2
, f = !d || e && e.start <= a || d - a > 2 && !this.fragmentTracker.getPartialFragment(a);
if (c || f)
return;
this.moved = !1
}
if (!this.moved && null !== this.stalled) {
var g, v = Math.max(d, u.start || 0) - a, m = this.hls.levels ? this.hls.levels[this.hls.currentLevel] : null, p = (null == m || null == (g = m.details) ? void 0 : g.live) ? 2 * m.details.targetduration : 2, y = this.fragmentTracker.getPartialFragment(a);
if (v > 0 && (v <= p || y))
return void this._trySkipBufferHole(y)
}
var T = self.performance.now();
if (null !== n) {
var E = T - n;
if (s || !(E >= 250) || (this._reportStall(u),
this.media)) {
var S = Ir.bufferInfo(i, a, r.maxBufferHole);
this._tryFixBufferStall(S, E)
}
} else
this.stalled = T
}
}
} else if (this.moved = !0,
null !== n) {
if (this.stallReported) {
var L = self.performance.now() - n;
w.warn("playback not stuck anymore @" + a + ", after " + Math.round(L) + "ms"),
this.stallReported = !1
}
this.stalled = null,
this.nudgeRetry = 0
}
}
}
,
e._tryFixBufferStall = function(t, e) {
var r = this.config
, i = this.fragmentTracker
, n = this.media;
if (null !== n) {
var a = n.currentTime
, s = i.getPartialFragment(a);
if (s && (this._trySkipBufferHole(s) || !this.media))
return;
(t.len > r.maxBufferHole || t.nextStart && t.nextStart - a < r.maxBufferHole) && e > 1e3 * r.highBufferWatchdogPeriod && (w.warn("Trying to nudge playhead over buffer-hole"),
this.stalled = null,
this._tryNudgeBuffer())
}
}
,
e._reportStall = function(t) {
var e = this.hls
, r = this.media;
if (!this.stallReported && r) {
this.stallReported = !0;
var i = new Error("Playback stalling at @" + r.currentTime + " due to low buffer (" + JSON.stringify(t) + ")");
w.warn(i.message),
e.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.BUFFER_STALLED_ERROR,
fatal: !1,
error: i,
buffer: t.len
})
}
}
,
e._trySkipBufferHole = function(t) {
var e = this.config
, r = this.hls
, i = this.media;
if (null === i)
return 0;
var n = i.currentTime
, a = Ir.bufferInfo(i, n, 0)
, s = n < a.start ? a.start : a.nextStart;
if (s) {
var o = a.len <= e.maxBufferHole
, l = a.len > 0 && a.len < 1 && i.readyState < 3
, u = s - n;
if (u > 0 && (o || l)) {
if (u > e.maxBufferHole) {
var h = this.fragmentTracker
, d = !1;
if (0 === n) {
var c = h.getAppendedFrag(0, ge);
c && s < c.end && (d = !0)
}
if (!d) {
var f = t || h.getAppendedFrag(n, ge);
if (f) {
for (var g = !1, v = f.end; v < s; ) {
var m = h.getPartialFragment(v);
if (!m) {
g = !0;
break
}
v += m.duration
}
if (g)
return 0
}
}
}
var p = Math.max(s + .05, n + .1);
if (w.warn("skipping hole, adjusting currentTime from " + n + " to " + p),
this.moved = !0,
this.stalled = null,
i.currentTime = p,
t && !t.gap) {
var y = new Error("fragment loaded with buffer holes, seeking from " + n + " to " + p);
r.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.BUFFER_SEEK_OVER_HOLE,
fatal: !1,
error: y,
reason: y.message,
frag: t
})
}
return p
}
}
return 0
}
,
e._tryNudgeBuffer = function() {
var t = this.config
, e = this.hls
, r = this.media
, i = this.nudgeRetry;
if (null !== r) {
var n = r.currentTime;
if (this.nudgeRetry++,
i < t.nudgeMaxRetry) {
var a = n + (i + 1) * t.nudgeOffset
, s = new Error("Nudging 'currentTime' from " + n + " to " + a);
w.warn(s.message),
r.currentTime = a,
e.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.BUFFER_NUDGE_ON_STALL,
error: s,
fatal: !1
})
} else {
var o = new Error("Playhead still not moving while enough data buffered @" + n + " after " + t.nudgeMaxRetry + " nudges");
w.error(o.message),
e.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.BUFFER_STALLED_ERROR,
error: o,
fatal: !0
})
}
}
}
,
t
}()
, cn = function(t) {
function e(e, r, i) {
var n;
return (n = t.call(this, e, r, i, "[stream-controller]", ge) || this).audioCodecSwap = !1,
n.gapController = null,
n.level = -1,
n._forceStartLoad = !1,
n.altAudio = !1,
n.audioOnly = !1,
n.fragPlaying = null,
n.onvplaying = null,
n.onvseeked = null,
n.fragLastKbps = 0,
n.couldBacktrack = !1,
n.backtrackFragment = null,
n.audioCodecSwitch = !1,
n.videoBuffer = null,
n._registerListeners(),
n
}
l(e, t);
var r = e.prototype;
return r._registerListeners = function() {
var t = this.hls;
t.on(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.on(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.on(S.LEVEL_LOADING, this.onLevelLoading, this),
t.on(S.LEVEL_LOADED, this.onLevelLoaded, this),
t.on(S.FRAG_LOAD_EMERGENCY_ABORTED, this.onFragLoadEmergencyAborted, this),
t.on(S.ERROR, this.onError, this),
t.on(S.AUDIO_TRACK_SWITCHING, this.onAudioTrackSwitching, this),
t.on(S.AUDIO_TRACK_SWITCHED, this.onAudioTrackSwitched, this),
t.on(S.BUFFER_CREATED, this.onBufferCreated, this),
t.on(S.BUFFER_FLUSHED, this.onBufferFlushed, this),
t.on(S.LEVELS_UPDATED, this.onLevelsUpdated, this),
t.on(S.FRAG_BUFFERED, this.onFragBuffered, this)
}
,
r._unregisterListeners = function() {
var t = this.hls;
t.off(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.off(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.off(S.LEVEL_LOADED, this.onLevelLoaded, this),
t.off(S.FRAG_LOAD_EMERGENCY_ABORTED, this.onFragLoadEmergencyAborted, this),
t.off(S.ERROR, this.onError, this),
t.off(S.AUDIO_TRACK_SWITCHING, this.onAudioTrackSwitching, this),
t.off(S.AUDIO_TRACK_SWITCHED, this.onAudioTrackSwitched, this),
t.off(S.BUFFER_CREATED, this.onBufferCreated, this),
t.off(S.BUFFER_FLUSHED, this.onBufferFlushed, this),
t.off(S.LEVELS_UPDATED, this.onLevelsUpdated, this),
t.off(S.FRAG_BUFFERED, this.onFragBuffered, this)
}
,
r.onHandlerDestroying = function() {
this._unregisterListeners(),
this.onMediaDetaching()
}
,
r.startLoad = function(t) {
if (this.levels) {
var e = this.lastCurrentTime
, r = this.hls;
if (this.stopLoad(),
this.setInterval(100),
this.level = -1,
!this.startFragRequested) {
var i = r.startLevel;
-1 === i && (r.config.testBandwidth && this.levels.length > 1 ? (i = 0,
this.bitrateTest = !0) : i = r.nextAutoLevel),
this.level = r.nextLoadLevel = i,
this.loadedmetadata = !1
}
e > 0 && -1 === t && (this.log("Override startPosition with lastCurrentTime @" + e.toFixed(3)),
t = e),
this.state = Kr,
this.nextLoadPosition = this.startPosition = this.lastCurrentTime = t,
this.tick()
} else
this._forceStartLoad = !0,
this.state = Gr
}
,
r.stopLoad = function() {
this._forceStartLoad = !1,
t.prototype.stopLoad.call(this)
}
,
r.doTick = function() {
switch (this.state) {
case $r:
var t, e = this.levels, r = this.level, i = null == e || null == (t = e[r]) ? void 0 : t.details;
if (i && (!i.live || this.levelLastLoaded === this.level)) {
if (this.waitForCdnTuneIn(i))
break;
this.state = Kr;
break
}
if (this.hls.nextLoadLevel !== this.level) {
this.state = Kr;
break
}
break;
case Yr:
var n, a = self.performance.now(), s = this.retryDate;
(!s || a >= s || null != (n = this.media) && n.seeking) && (this.resetStartWhenNotLoaded(this.level),
this.state = Kr)
}
this.state === Kr && this.doTickIdle(),
this.onTickEnd()
}
,
r.onTickEnd = function() {
t.prototype.onTickEnd.call(this),
this.checkBuffer(),
this.checkFragmentChanged()
}
,
r.doTickIdle = function() {
var t = this.hls
, e = this.levelLastLoaded
, r = this.levels
, i = this.media
, n = t.config
, a = t.nextLoadLevel;
if (null !== e && (i || !this.startFragRequested && n.startFragPrefetch) && (!this.altAudio || !this.audioOnly) && null != r && r[a]) {
var s = r[a]
, o = this.getMainFwdBufferInfo();
if (null !== o) {
var l = this.getLevelDetails();
if (l && this._streamEnded(o, l)) {
var u = {};
return this.altAudio && (u.type = "video"),
this.hls.trigger(S.BUFFER_EOS, u),
void (this.state = Xr)
}
t.loadLevel !== a && -1 === t.manualLevel && this.log("Adapting to level " + a + " from level " + this.level),
this.level = t.nextLoadLevel = a;
var h = s.details;
if (!h || this.state === $r || h.live && this.levelLastLoaded !== a)
return this.level = a,
void (this.state = $r);
var d = o.len
, c = this.getMaxBufferLength(s.maxBitrate);
if (!(d >= c)) {
this.backtrackFragment && this.backtrackFragment.start > o.end && (this.backtrackFragment = null);
var f = this.backtrackFragment ? this.backtrackFragment.start : o.end
, g = this.getNextFragment(f, h);
if (this.couldBacktrack && !this.fragPrevious && g && "initSegment" !== g.sn && this.fragmentTracker.getState(g) !== mr) {
var v, m = (null != (v = this.backtrackFragment) ? v : g).sn - h.startSN, p = h.fragments[m - 1];
p && g.cc === p.cc && (g = p,
this.fragmentTracker.removeFragment(p))
} else
this.backtrackFragment && o.len && (this.backtrackFragment = null);
if (g && this.isLoopLoading(g, f)) {
if (!g.gap) {
var y = this.audioOnly && !this.altAudio ? O : N
, T = (y === N ? this.videoBuffer : this.mediaBuffer) || this.media;
T && this.afterBufferFlushed(T, y, ge)
}
g = this.getNextFragmentLoopLoading(g, h, o, ge, c)
}
g && (!g.initSegment || g.initSegment.data || this.bitrateTest || (g = g.initSegment),
this.loadFragment(g, s, f))
}
}
}
}
,
r.loadFragment = function(e, r, i) {
var n = this.fragmentTracker.getState(e);
this.fragCurrent = e,
n === fr || n === vr ? "initSegment" === e.sn ? this._loadInitSegment(e, r) : this.bitrateTest ? (this.log("Fragment " + e.sn + " of level " + e.level + " is being downloaded to test bitrate and will not be buffered"),
this._loadBitrateTestFrag(e, r)) : (this.startFragRequested = !0,
t.prototype.loadFragment.call(this, e, r, i)) : this.clearTrackerIfNeeded(e)
}
,
r.getBufferedFrag = function(t) {
return this.fragmentTracker.getBufferedFrag(t, ge)
}
,
r.followingBufferedFrag = function(t) {
return t ? this.getBufferedFrag(t.end + .5) : null
}
,
r.immediateLevelSwitch = function() {
this.abortCurrentFrag(),
this.flushMainBuffer(0, Number.POSITIVE_INFINITY)
}
,
r.nextLevelSwitch = function() {
var t = this.levels
, e = this.media;
if (null != e && e.readyState) {
var r, i = this.getAppendedFrag(e.currentTime);
i && i.start > 1 && this.flushMainBuffer(0, i.start - 1);
var n = this.getLevelDetails();
if (null != n && n.live) {
var a = this.getMainFwdBufferInfo();
if (!a || a.len < 2 * n.targetduration)
return
}
if (!e.paused && t) {
var s = t[this.hls.nextLoadLevel]
, o = this.fragLastKbps;
r = o && this.fragCurrent ? this.fragCurrent.duration * s.maxBitrate / (1e3 * o) + 1 : 0
} else
r = 0;
var l = this.getBufferedFrag(e.currentTime + r);
if (l) {
var u = this.followingBufferedFrag(l);
if (u) {
this.abortCurrentFrag();
var h = u.maxStartPTS ? u.maxStartPTS : u.start
, d = u.duration
, c = Math.max(l.end, h + Math.min(Math.max(d - this.config.maxFragLookUpTolerance, .5 * d), .75 * d));
this.flushMainBuffer(c, Number.POSITIVE_INFINITY)
}
}
}
}
,
r.abortCurrentFrag = function() {
var t = this.fragCurrent;
switch (this.fragCurrent = null,
this.backtrackFragment = null,
t && (t.abortRequests(),
this.fragmentTracker.removeFragment(t)),
this.state) {
case Hr:
case Vr:
case Yr:
case jr:
case qr:
this.state = Kr
}
this.nextLoadPosition = this.getLoadPosition()
}
,
r.flushMainBuffer = function(e, r) {
t.prototype.flushMainBuffer.call(this, e, r, this.altAudio ? "video" : null)
}
,
r.onMediaAttached = function(e, r) {
t.prototype.onMediaAttached.call(this, e, r);
var i = r.media;
this.onvplaying = this.onMediaPlaying.bind(this),
this.onvseeked = this.onMediaSeeked.bind(this),
i.addEventListener("playing", this.onvplaying),
i.addEventListener("seeked", this.onvseeked),
this.gapController = new dn(this.config,i,this.fragmentTracker,this.hls)
}
,
r.onMediaDetaching = function() {
var e = this.media;
e && this.onvplaying && this.onvseeked && (e.removeEventListener("playing", this.onvplaying),
e.removeEventListener("seeked", this.onvseeked),
this.onvplaying = this.onvseeked = null,
this.videoBuffer = null),
this.fragPlaying = null,
this.gapController && (this.gapController.destroy(),
this.gapController = null),
t.prototype.onMediaDetaching.call(this)
}
,
r.onMediaPlaying = function() {
this.tick()
}
,
r.onMediaSeeked = function() {
var t = this.media
, e = t ? t.currentTime : null;
E(e) && this.log("Media seeked to " + e.toFixed(3));
var r = this.getMainFwdBufferInfo();
null !== r && 0 !== r.len ? this.tick() : this.warn('Main forward buffer length on "seeked" event ' + (r ? r.len : "empty") + ")")
}
,
r.onManifestLoading = function() {
this.log("Trigger BUFFER_RESET"),
this.hls.trigger(S.BUFFER_RESET, void 0),
this.fragmentTracker.removeAllFragments(),
this.couldBacktrack = !1,
this.startPosition = this.lastCurrentTime = 0,
this.levels = this.fragPlaying = this.backtrackFragment = null,
this.altAudio = this.audioOnly = !1
}
,
r.onManifestParsed = function(t, e) {
var r, i, n, a = !1, s = !1;
e.levels.forEach((function(t) {
(r = t.audioCodec) && (-1 !== r.indexOf("mp4a.40.2") && (a = !0),
-1 !== r.indexOf("mp4a.40.5") && (s = !0))
}
)),
this.audioCodecSwitch = a && s && !("function" == typeof (null == (n = Zr()) || null == (i = n.prototype) ? void 0 : i.changeType)),
this.audioCodecSwitch && this.log("Both AAC/HE-AAC audio found in levels; declaring level codec as HE-AAC"),
this.levels = e.levels,
this.startFragRequested = !1
}
,
r.onLevelLoading = function(t, e) {
var r = this.levels;
if (r && this.state === Kr) {
var i = r[e.level];
(!i.details || i.details.live && this.levelLastLoaded !== e.level || this.waitForCdnTuneIn(i.details)) && (this.state = $r)
}
}
,
r.onLevelLoaded = function(t, e) {
var r, i = this.levels, n = e.level, a = e.details, s = a.totalduration;
if (i) {
this.log("Level " + n + " loaded [" + a.startSN + "," + a.endSN + "]" + (a.lastPartSn ? "[part-" + a.lastPartSn + "-" + a.lastPartIndex + "]" : "") + ", cc [" + a.startCC + ", " + a.endCC + "] duration:" + s);
var o = i[n]
, l = this.fragCurrent;
!l || this.state !== Vr && this.state !== Yr || l.level === e.level && l.urlId === o.urlId || !l.loader || this.abortCurrentFrag();
var u = 0;
if (a.live || null != (r = o.details) && r.live) {
if (this.checkLiveUpdate(a),
a.deltaUpdateFailed)
return;
u = this.alignPlaylists(a, o.details)
}
if (o.details = a,
this.levelLastLoaded = n,
this.hls.trigger(S.LEVEL_UPDATED, {
details: a,
level: n
}),
this.state === $r) {
if (this.waitForCdnTuneIn(a))
return;
this.state = Kr
}
this.startFragRequested ? a.live && this.synchronizeToLiveEdge(a) : this.setStartPosition(a, u),
this.tick()
} else
this.warn("Levels were reset while loading level " + n)
}
,
r._handleFragmentLoadProgress = function(t) {
var e, r = t.frag, i = t.part, n = t.payload, a = this.levels;
if (a) {
var s = a[r.level]
, o = s.details;
if (!o)
return this.warn("Dropping fragment " + r.sn + " of level " + r.level + " after level details were reset"),
void this.fragmentTracker.removeFragment(r);
var l = s.videoCodec
, u = o.PTSKnown || !o.live
, h = null == (e = r.initSegment) ? void 0 : e.data
, d = this._getAudioCodec(s)
, c = this.transmuxer = this.transmuxer || new hn(this.hls,ge,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this))
, f = i ? i.index : -1
, g = -1 !== f
, v = new wr(r.level,r.sn,r.stats.chunkCount,n.byteLength,f,g)
, m = this.initPTS[r.cc];
c.push(n, h, d, l, r, i, o.totalduration, u, v, m)
} else
this.warn("Levels were reset while fragment load was in progress. Fragment " + r.sn + " of level " + r.level + " will not be buffered")
}
,
r.onAudioTrackSwitching = function(t, e) {
var r = this.altAudio;
if (!e.url) {
if (this.mediaBuffer !== this.media) {
this.log("Switching on main audio, use media.buffered to schedule main fragment loading"),
this.mediaBuffer = this.media;
var i = this.fragCurrent;
i && (this.log("Switching to main audio track, cancel main fragment load"),
i.abortRequests(),
this.fragmentTracker.removeFragment(i)),
this.resetTransmuxer(),
this.resetLoadingState()
} else
this.audioOnly && this.resetTransmuxer();
var n = this.hls;
r && (n.trigger(S.BUFFER_FLUSHING, {
startOffset: 0,
endOffset: Number.POSITIVE_INFINITY,
type: null
}),
this.fragmentTracker.removeAllFragments()),
n.trigger(S.AUDIO_TRACK_SWITCHED, e)
}
}
,
r.onAudioTrackSwitched = function(t, e) {
var r = e.id
, i = !!this.hls.audioTracks[r].url;
if (i) {
var n = this.videoBuffer;
n && this.mediaBuffer !== n && (this.log("Switching on alternate audio, use video.buffered to schedule main fragment loading"),
this.mediaBuffer = n)
}
this.altAudio = i,
this.tick()
}
,
r.onBufferCreated = function(t, e) {
var r, i, n = e.tracks, a = !1;
for (var s in n) {
var o = n[s];
if ("main" === o.id) {
if (i = s,
r = o,
"video" === s) {
var l = n[s];
l && (this.videoBuffer = l.buffer)
}
} else
a = !0
}
a && r ? (this.log("Alternate track found, use " + i + ".buffered to schedule main fragment loading"),
this.mediaBuffer = r.buffer) : this.mediaBuffer = this.media
}
,
r.onFragBuffered = function(t, e) {
var r = e.frag
, i = e.part;
if (!r || r.type === ge) {
if (this.fragContextChanged(r))
return this.warn("Fragment " + r.sn + (i ? " p: " + i.index : "") + " of level " + r.level + " finished buffering, but was aborted. state: " + this.state),
void (this.state === qr && (this.state = Kr));
var n = i ? i.stats : r.stats;
this.fragLastKbps = Math.round(8 * n.total / (n.buffering.end - n.loading.first)),
"initSegment" !== r.sn && (this.fragPrevious = r),
this.fragBufferedComplete(r, i)
}
}
,
r.onError = function(t, e) {
var r;
if (e.fatal)
this.state = zr;
else
switch (e.details) {
case R.FRAG_GAP:
case R.FRAG_PARSING_ERROR:
case R.FRAG_DECRYPT_ERROR:
case R.FRAG_LOAD_ERROR:
case R.FRAG_LOAD_TIMEOUT:
case R.KEY_LOAD_ERROR:
case R.KEY_LOAD_TIMEOUT:
this.onFragmentOrKeyLoadError(ge, e);
break;
case R.LEVEL_LOAD_ERROR:
case R.LEVEL_LOAD_TIMEOUT:
case R.LEVEL_PARSING_ERROR:
e.levelRetry || this.state !== $r || (null == (r = e.context) ? void 0 : r.type) !== de || (this.state = Kr);
break;
case R.BUFFER_FULL_ERROR:
if (!e.parent || "main" !== e.parent)
return;
this.reduceLengthAndFlushBuffer(e) && this.flushMainBuffer(0, Number.POSITIVE_INFINITY);
break;
case R.INTERNAL_EXCEPTION:
this.recoverWorkerError(e)
}
}
,
r.checkBuffer = function() {
var t = this.media
, e = this.gapController;
if (t && e && t.readyState) {
if (this.loadedmetadata || !Ir.getBuffered(t).length) {
var r = this.state !== Kr ? this.fragCurrent : null;
e.poll(this.lastCurrentTime, r)
}
this.lastCurrentTime = t.currentTime
}
}
,
r.onFragLoadEmergencyAborted = function() {
this.state = Kr,
this.loadedmetadata || (this.startFragRequested = !1,
this.nextLoadPosition = this.startPosition),
this.tickImmediate()
}
,
r.onBufferFlushed = function(t, e) {
var r = e.type;
if (r !== O || this.audioOnly && !this.altAudio) {
var i = (r === N ? this.videoBuffer : this.mediaBuffer) || this.media;
this.afterBufferFlushed(i, r, ge)
}
}
,
r.onLevelsUpdated = function(t, e) {
this.levels = e.levels
}
,
r.swapAudioCodec = function() {
this.audioCodecSwap = !this.audioCodecSwap
}
,
r.seekToStartPos = function() {
var t = this.media;
if (t) {
var e = t.currentTime
, r = this.startPosition;
if (r >= 0 && e < r) {
if (t.seeking)
return void this.log("could not seek to " + r + ", already seeking at " + e);
var i = Ir.getBuffered(t)
, n = (i.length ? i.start(0) : 0) - r;
n > 0 && (n < this.config.maxBufferHole || n < this.config.maxFragLookUpTolerance) && (this.log("adjusting start position by " + n + " to match buffer start"),
r += n,
this.startPosition = r),
this.log("seek to target start position " + r + " from current time " + e),
t.currentTime = r
}
}
}
,
r._getAudioCodec = function(t) {
var e = this.config.defaultAudioCodec || t.audioCodec;
return this.audioCodecSwap && e && (this.log("Swapping audio codec"),
e = -1 !== e.indexOf("mp4a.40.5") ? "mp4a.40.2" : "mp4a.40.5"),
e
}
,
r._loadBitrateTestFrag = function(t, e) {
var r = this;
t.bitrateTest = !0,
this._doFragLoad(t, e).then((function(i) {
var n = r.hls;
if (i && !r.fragContextChanged(t)) {
e.fragmentError = 0,
r.state = Kr,
r.startFragRequested = !1,
r.bitrateTest = !1;
var a = t.stats;
a.parsing.start = a.parsing.end = a.buffering.start = a.buffering.end = self.performance.now(),
n.trigger(S.FRAG_LOADED, i),
t.bitrateTest = !1
}
}
))
}
,
r._handleTransmuxComplete = function(t) {
var e, r = "main", i = this.hls, n = t.remuxResult, a = t.chunkMeta, s = this.getCurrentContext(a);
if (s) {
var o = s.frag
, l = s.part
, u = s.level
, h = n.video
, d = n.text
, c = n.id3
, f = n.initSegment
, g = u.details
, v = this.altAudio ? void 0 : n.audio;
if (this.fragContextChanged(o))
this.fragmentTracker.removeFragment(o);
else {
if (this.state = jr,
f) {
if (null != f && f.tracks) {
var m = o.initSegment || o;
this._bufferInitSegment(u, f.tracks, m, a),
i.trigger(S.FRAG_PARSING_INIT_SEGMENT, {
frag: m,
id: r,
tracks: f.tracks
})
}
var p = f.initPTS
, y = f.timescale;
E(p) && (this.initPTS[o.cc] = {
baseTime: p,
timescale: y
},
i.trigger(S.INIT_PTS_FOUND, {
frag: o,
id: r,
initPTS: p,
timescale: y
}))
}
if (h && g && "initSegment" !== o.sn) {
var T = g.fragments[o.sn - 1 - g.startSN]
, L = o.sn === g.startSN
, R = !T || o.cc > T.cc;
if (!1 !== n.independent) {
var A = h.startPTS
, k = h.endPTS
, b = h.startDTS
, D = h.endDTS;
if (l)
l.elementaryStreams[h.type] = {
startPTS: A,
endPTS: k,
startDTS: b,
endDTS: D
};
else if (h.firstKeyFrame && h.independent && 1 === a.id && !R && (this.couldBacktrack = !0),
h.dropped && h.independent) {
var I = this.getMainFwdBufferInfo()
, w = (I ? I.end : this.getLoadPosition()) + this.config.maxBufferHole
, C = h.firstKeyFramePTS ? h.firstKeyFramePTS : A;
if (!L && w < C - this.config.maxBufferHole && !R)
return void this.backtrack(o);
R && (o.gap = !0),
o.setElementaryStreamInfo(h.type, o.start, k, o.start, D, !0)
}
o.setElementaryStreamInfo(h.type, A, k, b, D),
this.backtrackFragment && (this.backtrackFragment = o),
this.bufferFragmentData(h, o, l, a, L || R)
} else {
if (!L && !R)
return void this.backtrack(o);
o.gap = !0
}
}
if (v) {
var _ = v.startPTS
, P = v.endPTS
, x = v.startDTS
, F = v.endDTS;
l && (l.elementaryStreams[O] = {
startPTS: _,
endPTS: P,
startDTS: x,
endDTS: F
}),
o.setElementaryStreamInfo(O, _, P, x, F),
this.bufferFragmentData(v, o, l, a)
}
if (g && null != c && null != (e = c.samples) && e.length) {
var M = {
id: r,
frag: o,
details: g,
samples: c.samples
};
i.trigger(S.FRAG_PARSING_METADATA, M)
}
if (g && d) {
var N = {
id: r,
frag: o,
details: g,
samples: d.samples
};
i.trigger(S.FRAG_PARSING_USERDATA, N)
}
}
} else
this.resetWhenMissingContext(a)
}
,
r._bufferInitSegment = function(t, e, r, i) {
var n = this;
if (this.state === jr) {
this.audioOnly = !!e.audio && !e.video,
this.altAudio && !this.audioOnly && delete e.audio;
var a = e.audio
, s = e.video
, o = e.audiovideo;
if (a) {
var l = t.audioCodec
, u = navigator.userAgent.toLowerCase();
this.audioCodecSwitch && (l && (l = -1 !== l.indexOf("mp4a.40.5") ? "mp4a.40.2" : "mp4a.40.5"),
1 !== a.metadata.channelCount && -1 === u.indexOf("firefox") && (l = "mp4a.40.5")),
-1 !== u.indexOf("android") && "audio/mpeg" !== a.container && (l = "mp4a.40.2",
this.log("Android: force audio codec to " + l)),
t.audioCodec && t.audioCodec !== l && this.log('Swapping manifest audio codec "' + t.audioCodec + '" for "' + l + '"'),
a.levelCodec = l,
a.id = "main",
this.log("Init audio buffer, container:" + a.container + ", codecs[selected/level/parsed]=[" + (l || "") + "/" + (t.audioCodec || "") + "/" + a.codec + "]")
}
s && (s.levelCodec = t.videoCodec,
s.id = "main",
this.log("Init video buffer, container:" + s.container + ", codecs[level/parsed]=[" + (t.videoCodec || "") + "/" + s.codec + "]")),
o && this.log("Init audiovideo buffer, container:" + o.container + ", codecs[level/parsed]=[" + (t.attrs.CODECS || "") + "/" + o.codec + "]"),
this.hls.trigger(S.BUFFER_CODECS, e),
Object.keys(e).forEach((function(t) {
var a = e[t].initSegment;
null != a && a.byteLength && n.hls.trigger(S.BUFFER_APPENDING, {
type: t,
data: a,
frag: r,
part: null,
chunkMeta: i,
parent: r.type
})
}
)),
this.tick()
}
}
,
r.getMainFwdBufferInfo = function() {
return this.getFwdBufferInfo(this.mediaBuffer ? this.mediaBuffer : this.media, ge)
}
,
r.backtrack = function(t) {
this.couldBacktrack = !0,
this.backtrackFragment = t,
this.resetTransmuxer(),
this.flushBufferGap(t),
this.fragmentTracker.removeFragment(t),
this.fragPrevious = null,
this.nextLoadPosition = t.start,
this.state = Kr
}
,
r.checkFragmentChanged = function() {
var t = this.media
, e = null;
if (t && t.readyState > 1 && !1 === t.seeking) {
var r = t.currentTime;
if (Ir.isBuffered(t, r) ? e = this.getAppendedFrag(r) : Ir.isBuffered(t, r + .1) && (e = this.getAppendedFrag(r + .1)),
e) {
this.backtrackFragment = null;
var i = this.fragPlaying
, n = e.level;
i && e.sn === i.sn && i.level === n && e.urlId === i.urlId || (this.fragPlaying = e,
this.hls.trigger(S.FRAG_CHANGED, {
frag: e
}),
i && i.level === n || this.hls.trigger(S.LEVEL_SWITCHED, {
level: n
}))
}
}
}
,
a(e, [{
key: "nextLevel",
get: function() {
var t = this.nextBufferedFrag;
return t ? t.level : -1
}
}, {
key: "currentFrag",
get: function() {
var t = this.media;
return t ? this.fragPlaying || this.getAppendedFrag(t.currentTime) : null
}
}, {
key: "currentProgramDateTime",
get: function() {
var t = this.media;
if (t) {
var e = t.currentTime
, r = this.currentFrag;
if (r && E(e) && E(r.programDateTime)) {
var i = r.programDateTime + 1e3 * (e - r.start);
return new Date(i)
}
}
return null
}
}, {
key: "currentLevel",
get: function() {
var t = this.currentFrag;
return t ? t.level : -1
}
}, {
key: "nextBufferedFrag",
get: function() {
var t = this.currentFrag;
return t ? this.followingBufferedFrag(t) : null
}
}, {
key: "forceStartLoad",
get: function() {
return this._forceStartLoad
}
}]),
e
}(Jr)
, fn = function() {
function t(t, e, r) {
void 0 === e && (e = 0),
void 0 === r && (r = 0),
this.halfLife = void 0,
this.alpha_ = void 0,
this.estimate_ = void 0,
this.totalWeight_ = void 0,
this.halfLife = t,
this.alpha_ = t ? Math.exp(Math.log(.5) / t) : 0,
this.estimate_ = e,
this.totalWeight_ = r
}
var e = t.prototype;
return e.sample = function(t, e) {
var r = Math.pow(this.alpha_, t);
this.estimate_ = e * (1 - r) + r * this.estimate_,
this.totalWeight_ += t
}
,
e.getTotalWeight = function() {
return this.totalWeight_
}
,
e.getEstimate = function() {
if (this.alpha_) {
var t = 1 - Math.pow(this.alpha_, this.totalWeight_);
if (t)
return this.estimate_ / t
}
return this.estimate_
}
,
t
}()
, gn = function() {
function t(t, e, r, i) {
void 0 === i && (i = 100),
this.defaultEstimate_ = void 0,
this.minWeight_ = void 0,
this.minDelayMs_ = void 0,
this.slow_ = void 0,
this.fast_ = void 0,
this.defaultTTFB_ = void 0,
this.ttfb_ = void 0,
this.defaultEstimate_ = r,
this.minWeight_ = .001,
this.minDelayMs_ = 50,
this.slow_ = new fn(t),
this.fast_ = new fn(e),
this.defaultTTFB_ = i,
this.ttfb_ = new fn(t)
}
var e = t.prototype;
return e.update = function(t, e) {
var r = this.slow_
, i = this.fast_
, n = this.ttfb_;
r.halfLife !== t && (this.slow_ = new fn(t,r.getEstimate(),r.getTotalWeight())),
i.halfLife !== e && (this.fast_ = new fn(e,i.getEstimate(),i.getTotalWeight())),
n.halfLife !== t && (this.ttfb_ = new fn(t,n.getEstimate(),n.getTotalWeight()))
}
,
e.sample = function(t, e) {
var r = (t = Math.max(t, this.minDelayMs_)) / 1e3
, i = 8 * e / r;
this.fast_.sample(r, i),
this.slow_.sample(r, i)
}
,
e.sampleTTFB = function(t) {
var e = t / 1e3
, r = Math.sqrt(2) * Math.exp(-Math.pow(e, 2) / 2);
this.ttfb_.sample(r, Math.max(t, 5))
}
,
e.canEstimate = function() {
return this.fast_.getTotalWeight() >= this.minWeight_
}
,
e.getEstimate = function() {
return this.canEstimate() ? Math.min(this.fast_.getEstimate(), this.slow_.getEstimate()) : this.defaultEstimate_
}
,
e.getEstimateTTFB = function() {
return this.ttfb_.getTotalWeight() >= this.minWeight_ ? this.ttfb_.getEstimate() : this.defaultTTFB_
}
,
e.destroy = function() {}
,
t
}()
, vn = function() {
function t(t) {
this.hls = void 0,
this.lastLevelLoadSec = 0,
this.lastLoadedFragLevel = 0,
this._nextAutoLevel = -1,
this.timer = -1,
this.onCheck = this._abandonRulesCheck.bind(this),
this.fragCurrent = null,
this.partCurrent = null,
this.bitrateTestDelay = 0,
this.bwEstimator = void 0,
this.hls = t;
var e = t.config;
this.bwEstimator = new gn(e.abrEwmaSlowVoD,e.abrEwmaFastVoD,e.abrEwmaDefaultEstimate),
this.registerListeners()
}
var e = t.prototype;
return e.registerListeners = function() {
var t = this.hls;
t.on(S.FRAG_LOADING, this.onFragLoading, this),
t.on(S.FRAG_LOADED, this.onFragLoaded, this),
t.on(S.FRAG_BUFFERED, this.onFragBuffered, this),
t.on(S.LEVEL_SWITCHING, this.onLevelSwitching, this),
t.on(S.LEVEL_LOADED, this.onLevelLoaded, this)
}
,
e.unregisterListeners = function() {
var t = this.hls;
t.off(S.FRAG_LOADING, this.onFragLoading, this),
t.off(S.FRAG_LOADED, this.onFragLoaded, this),
t.off(S.FRAG_BUFFERED, this.onFragBuffered, this),
t.off(S.LEVEL_SWITCHING, this.onLevelSwitching, this),
t.off(S.LEVEL_LOADED, this.onLevelLoaded, this)
}
,
e.destroy = function() {
this.unregisterListeners(),
this.clearTimer(),
this.hls = this.onCheck = null,
this.fragCurrent = this.partCurrent = null
}
,
e.onFragLoading = function(t, e) {
var r, i = e.frag;
this.ignoreFragment(i) || (this.fragCurrent = i,
this.partCurrent = null != (r = e.part) ? r : null,
this.clearTimer(),
this.timer = self.setInterval(this.onCheck, 100))
}
,
e.onLevelSwitching = function(t, e) {
this.clearTimer()
}
,
e.getTimeToLoadFrag = function(t, e, r, i) {
return t + r / e + (i ? this.lastLevelLoadSec : 0)
}
,
e.onLevelLoaded = function(t, e) {
var r = this.hls.config
, i = e.stats
, n = i.total
, a = i.bwEstimate;
E(n) && E(a) && (this.lastLevelLoadSec = 8 * n / a),
e.details.live ? this.bwEstimator.update(r.abrEwmaSlowLive, r.abrEwmaFastLive) : this.bwEstimator.update(r.abrEwmaSlowVoD, r.abrEwmaFastVoD)
}
,
e._abandonRulesCheck = function() {
var t = this.fragCurrent
, e = this.partCurrent
, r = this.hls
, i = r.autoLevelEnabled
, n = r.media;
if (t && n) {
var a = performance.now()
, s = e ? e.stats : t.stats
, o = e ? e.duration : t.duration
, l = a - s.loading.start;
if (s.aborted || s.loaded && s.loaded === s.total || 0 === t.level)
return this.clearTimer(),
void (this._nextAutoLevel = -1);
if (i && !n.paused && n.playbackRate && n.readyState) {
var u = r.mainForwardBufferInfo;
if (null !== u) {
var h = this.bwEstimator.getEstimateTTFB()
, d = Math.abs(n.playbackRate);
if (!(l <= Math.max(h, o / (2 * d) * 1e3))) {
var c = u.len / d;
if (!(c >= 2 * o / d)) {
var f = s.loading.first ? s.loading.first - s.loading.start : -1
, g = s.loaded && f > -1
, v = this.bwEstimator.getEstimate()
, m = r.levels
, p = r.minAutoLevel
, y = m[t.level]
, T = s.total || Math.max(s.loaded, Math.round(o * y.maxBitrate / 8))
, L = l - f;
L < 1 && g && (L = Math.min(l, 8 * s.loaded / v));
var R = g ? 1e3 * s.loaded / L : 0
, A = R ? (T - s.loaded) / R : 8 * T / v + h / 1e3;
if (!(A <= c)) {
var k, b = R ? 8 * R : v, D = Number.POSITIVE_INFINITY;
for (k = t.level - 1; k > p; k--) {
var I = m[k].maxBitrate;
if ((D = this.getTimeToLoadFrag(h / 1e3, b, o * I, !m[k].details)) < c)
break
}
D >= A || D > 10 * o || (r.nextLoadLevel = k,
g ? this.bwEstimator.sample(l - Math.min(h, f), s.loaded) : this.bwEstimator.sampleTTFB(l),
this.clearTimer(),
w.warn("[abr] Fragment " + t.sn + (e ? " part " + e.index : "") + " of level " + t.level + " is loading too slowly;\n Time to underbuffer: " + c.toFixed(3) + " s\n Estimated load time for current fragment: " + A.toFixed(3) + " s\n Estimated load time for down switch fragment: " + D.toFixed(3) + " s\n TTFB estimate: " + f + "\n Current BW estimate: " + (E(v) ? (v / 1024).toFixed(3) : "Unknown") + " Kb/s\n New BW estimate: " + (this.bwEstimator.getEstimate() / 1024).toFixed(3) + " Kb/s\n Aborting and switching to level " + k),
t.loader && (this.fragCurrent = this.partCurrent = null,
t.abortRequests()),
r.trigger(S.FRAG_LOAD_EMERGENCY_ABORTED, {
frag: t,
part: e,
stats: s
}))
}
}
}
}
}
}
}
,
e.onFragLoaded = function(t, e) {
var r = e.frag
, i = e.part
, n = i ? i.stats : r.stats;
if (r.type === ge && this.bwEstimator.sampleTTFB(n.loading.first - n.loading.start),
!this.ignoreFragment(r)) {
if (this.clearTimer(),
this.lastLoadedFragLevel = r.level,
this._nextAutoLevel = -1,
this.hls.config.abrMaxWithRealBitrate) {
var a = i ? i.duration : r.duration
, s = this.hls.levels[r.level]
, o = (s.loaded ? s.loaded.bytes : 0) + n.loaded
, l = (s.loaded ? s.loaded.duration : 0) + a;
s.loaded = {
bytes: o,
duration: l
},
s.realBitrate = Math.round(8 * o / l)
}
if (r.bitrateTest) {
var u = {
stats: n,
frag: r,
part: i,
id: r.type
};
this.onFragBuffered(S.FRAG_BUFFERED, u),
r.bitrateTest = !1
}
}
}
,
e.onFragBuffered = function(t, e) {
var r = e.frag
, i = e.part
, n = null != i && i.stats.loaded ? i.stats : r.stats;
if (!n.aborted && !this.ignoreFragment(r)) {
var a = n.parsing.end - n.loading.start - Math.min(n.loading.first - n.loading.start, this.bwEstimator.getEstimateTTFB());
this.bwEstimator.sample(a, n.loaded),
n.bwEstimate = this.bwEstimator.getEstimate(),
r.bitrateTest ? this.bitrateTestDelay = a / 1e3 : this.bitrateTestDelay = 0
}
}
,
e.ignoreFragment = function(t) {
return t.type !== ge || "initSegment" === t.sn
}
,
e.clearTimer = function() {
self.clearInterval(this.timer)
}
,
e.getNextABRAutoLevel = function() {
var t = this.fragCurrent
, e = this.partCurrent
, r = this.hls
, i = r.maxAutoLevel
, n = r.config
, a = r.minAutoLevel
, s = r.media
, o = e ? e.duration : t ? t.duration : 0
, l = s && 0 !== s.playbackRate ? Math.abs(s.playbackRate) : 1
, u = this.bwEstimator ? this.bwEstimator.getEstimate() : n.abrEwmaDefaultEstimate
, h = r.mainForwardBufferInfo
, d = (h ? h.len : 0) / l
, c = this.findBestLevel(u, a, i, d, n.abrBandWidthFactor, n.abrBandWidthUpFactor);
if (c >= 0)
return c;
w.trace("[abr] " + (d ? "rebuffering expected" : "buffer is empty") + ", finding optimal quality level");
var f = o ? Math.min(o, n.maxStarvationDelay) : n.maxStarvationDelay
, g = n.abrBandWidthFactor
, v = n.abrBandWidthUpFactor;
if (!d) {
var m = this.bitrateTestDelay;
m && (f = (o ? Math.min(o, n.maxLoadingDelay) : n.maxLoadingDelay) - m,
w.trace("[abr] bitrate test took " + Math.round(1e3 * m) + "ms, set first fragment max fetchDuration to " + Math.round(1e3 * f) + " ms"),
g = v = 1)
}
return c = this.findBestLevel(u, a, i, d + f, g, v),
Math.max(c, 0)
}
,
e.findBestLevel = function(t, e, r, i, n, a) {
for (var s, o = this.fragCurrent, l = this.partCurrent, u = this.lastLoadedFragLevel, h = this.hls.levels, d = h[u], c = !(null == d || null == (s = d.details) || !s.live), f = null == d ? void 0 : d.codecSet, g = l ? l.duration : o ? o.duration : 0, v = this.bwEstimator.getEstimateTTFB() / 1e3, m = e, p = -1, y = r; y >= e; y--) {
var T = h[y];
if (!T || f && T.codecSet !== f)
T && (m = Math.min(y, m),
p = Math.max(y, p));
else {
-1 !== p && w.trace("[abr] Skipped level(s) " + m + "-" + p + ' with CODECS:"' + h[p].attrs.CODECS + '"; not compatible with "' + d.attrs.CODECS + '"');
var S = T.details
, L = (l ? null == S ? void 0 : S.partTarget : null == S ? void 0 : S.averagetargetduration) || g
, R = void 0;
R = y <= u ? n * t : a * t;
var A = h[y].maxBitrate
, k = this.getTimeToLoadFrag(v, R, A * L, void 0 === S);
if (w.trace("[abr] level:" + y + " adjustedbw-bitrate:" + Math.round(R - A) + " avgDuration:" + L.toFixed(1) + " maxFetchDuration:" + i.toFixed(1) + " fetchDuration:" + k.toFixed(1)),
R > A && (0 === k || !E(k) || c && !this.bitrateTestDelay || k < i))
return y
}
}
return -1
}
,
a(t, [{
key: "nextAutoLevel",
get: function() {
var t = this._nextAutoLevel
, e = this.bwEstimator;
if (-1 !== t && !e.canEstimate())
return t;
var r = this.getNextABRAutoLevel();
if (-1 !== t) {
var i = this.hls.levels;
if (i.length > Math.max(t, r) && i[t].loadError <= i[r].loadError)
return t
}
return -1 !== t && (r = Math.min(t, r)),
r
},
set: function(t) {
this._nextAutoLevel = t
}
}]),
t
}()
, mn = function() {
function t() {
this.chunks = [],
this.dataLength = 0
}
var e = t.prototype;
return e.push = function(t) {
this.chunks.push(t),
this.dataLength += t.length
}
,
e.flush = function() {
var t, e = this.chunks, r = this.dataLength;
return e.length ? (t = 1 === e.length ? e[0] : function(t, e) {
for (var r = new Uint8Array(e), i = 0, n = 0; n < t.length; n++) {
var a = t[n];
r.set(a, i),
i += a.length
}
return r
}(e, r),
this.reset(),
t) : new Uint8Array(0)
}
,
e.reset = function() {
this.chunks.length = 0,
this.dataLength = 0
}
,
t
}()
, pn = function(t) {
function e(e, r, i) {
var n;
return (n = t.call(this, e, r, i, "[audio-stream-controller]", ve) || this).videoBuffer = null,
n.videoTrackCC = -1,
n.waitingVideoCC = -1,
n.bufferedTrack = null,
n.switchingTrack = null,
n.trackId = -1,
n.waitingData = null,
n.mainDetails = null,
n.bufferFlushed = !1,
n.cachedTrackLoadedData = null,
n._registerListeners(),
n
}
l(e, t);
var r = e.prototype;
return r.onHandlerDestroying = function() {
this._unregisterListeners(),
this.mainDetails = null,
this.bufferedTrack = null,
this.switchingTrack = null
}
,
r._registerListeners = function() {
var t = this.hls;
t.on(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.on(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.LEVEL_LOADED, this.onLevelLoaded, this),
t.on(S.AUDIO_TRACKS_UPDATED, this.onAudioTracksUpdated, this),
t.on(S.AUDIO_TRACK_SWITCHING, this.onAudioTrackSwitching, this),
t.on(S.AUDIO_TRACK_LOADED, this.onAudioTrackLoaded, this),
t.on(S.ERROR, this.onError, this),
t.on(S.BUFFER_RESET, this.onBufferReset, this),
t.on(S.BUFFER_CREATED, this.onBufferCreated, this),
t.on(S.BUFFER_FLUSHED, this.onBufferFlushed, this),
t.on(S.INIT_PTS_FOUND, this.onInitPtsFound, this),
t.on(S.FRAG_BUFFERED, this.onFragBuffered, this)
}
,
r._unregisterListeners = function() {
var t = this.hls;
t.off(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.off(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.LEVEL_LOADED, this.onLevelLoaded, this),
t.off(S.AUDIO_TRACKS_UPDATED, this.onAudioTracksUpdated, this),
t.off(S.AUDIO_TRACK_SWITCHING, this.onAudioTrackSwitching, this),
t.off(S.AUDIO_TRACK_LOADED, this.onAudioTrackLoaded, this),
t.off(S.ERROR, this.onError, this),
t.off(S.BUFFER_RESET, this.onBufferReset, this),
t.off(S.BUFFER_CREATED, this.onBufferCreated, this),
t.off(S.BUFFER_FLUSHED, this.onBufferFlushed, this),
t.off(S.INIT_PTS_FOUND, this.onInitPtsFound, this),
t.off(S.FRAG_BUFFERED, this.onFragBuffered, this)
}
,
r.onInitPtsFound = function(t, e) {
var r = e.frag
, i = e.id
, n = e.initPTS
, a = e.timescale;
if ("main" === i) {
var s = r.cc;
this.initPTS[r.cc] = {
baseTime: n,
timescale: a
},
this.log("InitPTS for cc: " + s + " found from main: " + n),
this.videoTrackCC = s,
this.state === Qr && this.tick()
}
}
,
r.startLoad = function(t) {
if (!this.levels)
return this.startPosition = t,
void (this.state = Gr);
var e = this.lastCurrentTime;
this.stopLoad(),
this.setInterval(100),
e > 0 && -1 === t ? (this.log("Override startPosition with lastCurrentTime @" + e.toFixed(3)),
t = e,
this.state = Kr) : (this.loadedmetadata = !1,
this.state = Wr),
this.nextLoadPosition = this.startPosition = this.lastCurrentTime = t,
this.tick()
}
,
r.doTick = function() {
switch (this.state) {
case Kr:
this.doTickIdle();
break;
case Wr:
var e, r = this.levels, i = this.trackId, n = null == r || null == (e = r[i]) ? void 0 : e.details;
if (n) {
if (this.waitForCdnTuneIn(n))
break;
this.state = Qr
}
break;
case Yr:
var a, s = performance.now(), o = this.retryDate;
(!o || s >= o || null != (a = this.media) && a.seeking) && (this.log("RetryDate reached, switch back to IDLE state"),
this.resetStartWhenNotLoaded(this.trackId),
this.state = Kr);
break;
case Qr:
var l = this.waitingData;
if (l) {
var u = l.frag
, h = l.part
, d = l.cache
, c = l.complete;
if (void 0 !== this.initPTS[u.cc]) {
this.waitingData = null,
this.waitingVideoCC = -1,
this.state = Vr;
var f = {
frag: u,
part: h,
payload: d.flush(),
networkDetails: null
};
this._handleFragmentLoadProgress(f),
c && t.prototype._handleFragmentLoadComplete.call(this, f)
} else if (this.videoTrackCC !== this.waitingVideoCC)
this.log("Waiting fragment cc (" + u.cc + ") cancelled because video is at cc " + this.videoTrackCC),
this.clearWaitingFragment();
else {
var g = this.getLoadPosition()
, v = Ir.bufferInfo(this.mediaBuffer, g, this.config.maxBufferHole);
Je(v.end, this.config.maxFragLookUpTolerance, u) < 0 && (this.log("Waiting fragment cc (" + u.cc + ") @ " + u.start + " cancelled because another fragment at " + v.end + " is needed"),
this.clearWaitingFragment())
}
} else
this.state = Kr
}
this.onTickEnd()
}
,
r.clearWaitingFragment = function() {
var t = this.waitingData;
t && (this.fragmentTracker.removeFragment(t.frag),
this.waitingData = null,
this.waitingVideoCC = -1,
this.state = Kr)
}
,
r.resetLoadingState = function() {
this.clearWaitingFragment(),
t.prototype.resetLoadingState.call(this)
}
,
r.onTickEnd = function() {
var t = this.media;
null != t && t.readyState && (this.lastCurrentTime = t.currentTime)
}
,
r.doTickIdle = function() {
var t = this.hls
, e = this.levels
, r = this.media
, i = this.trackId
, n = t.config;
if (null != e && e[i] && (r || !this.startFragRequested && n.startFragPrefetch)) {
var a = e[i]
, s = a.details;
if (!s || s.live && this.levelLastLoaded !== i || this.waitForCdnTuneIn(s))
this.state = Wr;
else {
var o = this.mediaBuffer ? this.mediaBuffer : this.media;
this.bufferFlushed && o && (this.bufferFlushed = !1,
this.afterBufferFlushed(o, O, ve));
var l = this.getFwdBufferInfo(o, ve);
if (null !== l) {
var u = this.bufferedTrack
, h = this.switchingTrack;
if (!h && this._streamEnded(l, s))
return t.trigger(S.BUFFER_EOS, {
type: "audio"
}),
void (this.state = Xr);
var d = this.getFwdBufferInfo(this.videoBuffer ? this.videoBuffer : this.media, ge)
, c = l.len
, f = this.getMaxBufferLength(null == d ? void 0 : d.len);
if (!(c >= f) || h) {
var g = s.fragments[0].start
, v = l.end;
if (h && r) {
var m = this.getLoadPosition();
u && h.attrs !== u.attrs && (v = m),
s.PTSKnown && m < g && (l.end > g || l.nextStart) && (this.log("Alt audio track ahead of main track, seek to start of alt audio track"),
r.currentTime = g + .05)
}
var p = this.getNextFragment(v, s)
, y = !1;
if (p && this.isLoopLoading(p, v) && (y = !!p.gap,
p = this.getNextFragmentLoopLoading(p, s, l, ge, f)),
p) {
var T = d && p.start > d.end + s.targetduration;
if (T || (null == d || !d.len) && l.len) {
var E = this.getAppendedFrag(p.start, ge);
if (null === E)
return;
if (y || (y = !!E.gap || !!T && 0 === d.len),
T && !y || y && l.nextStart && l.nextStart < E.end)
return
}
this.loadFragment(p, a, v)
} else
this.bufferFlushed = !0
}
}
}
}
}
,
r.getMaxBufferLength = function(e) {
var r = t.prototype.getMaxBufferLength.call(this);
return e ? Math.min(Math.max(r, e), this.config.maxMaxBufferLength) : r
}
,
r.onMediaDetaching = function() {
this.videoBuffer = null,
t.prototype.onMediaDetaching.call(this)
}
,
r.onAudioTracksUpdated = function(t, e) {
var r = e.audioTracks;
this.resetTransmuxer(),
this.levels = r.map((function(t) {
return new Ne(t)
}
))
}
,
r.onAudioTrackSwitching = function(t, e) {
var r = !!e.url;
this.trackId = e.id;
var i = this.fragCurrent;
i && (i.abortRequests(),
this.removeUnbufferedFrags(i.start)),
this.resetLoadingState(),
r ? this.setInterval(100) : this.resetTransmuxer(),
r ? (this.switchingTrack = e,
this.state = Kr) : (this.switchingTrack = null,
this.bufferedTrack = e,
this.state = Gr),
this.tick()
}
,
r.onManifestLoading = function() {
this.fragmentTracker.removeAllFragments(),
this.startPosition = this.lastCurrentTime = 0,
this.bufferFlushed = !1,
this.levels = this.mainDetails = this.waitingData = this.bufferedTrack = this.cachedTrackLoadedData = this.switchingTrack = null,
this.startFragRequested = !1,
this.trackId = this.videoTrackCC = this.waitingVideoCC = -1
}
,
r.onLevelLoaded = function(t, e) {
this.mainDetails = e.details,
null !== this.cachedTrackLoadedData && (this.hls.trigger(S.AUDIO_TRACK_LOADED, this.cachedTrackLoadedData),
this.cachedTrackLoadedData = null)
}
,
r.onAudioTrackLoaded = function(t, e) {
var r;
if (null != this.mainDetails) {
var i = this.levels
, n = e.details
, a = e.id;
if (i) {
this.log("Track " + a + " loaded [" + n.startSN + "," + n.endSN + "]" + (n.lastPartSn ? "[part-" + n.lastPartSn + "-" + n.lastPartIndex + "]" : "") + ",duration:" + n.totalduration);
var s = i[a]
, o = 0;
if (n.live || null != (r = s.details) && r.live) {
this.checkLiveUpdate(n);
var l = this.mainDetails;
if (n.deltaUpdateFailed || !l)
return;
!s.details && n.hasProgramDateTime && l.hasProgramDateTime ? (Fr(n, l),
o = n.fragments[0].start) : o = this.alignPlaylists(n, s.details)
}
s.details = n,
this.levelLastLoaded = a,
this.startFragRequested || !this.mainDetails && n.live || this.setStartPosition(s.details, o),
this.state !== Wr || this.waitForCdnTuneIn(n) || (this.state = Kr),
this.tick()
} else
this.warn("Audio tracks were reset while loading level " + a)
} else
this.cachedTrackLoadedData = e
}
,
r._handleFragmentLoadProgress = function(t) {
var e, r = t.frag, i = t.part, n = t.payload, a = this.config, s = this.trackId, o = this.levels;
if (o) {
var l = o[s];
if (l) {
var u = l.details;
if (!u)
return this.warn("Audio track details undefined on fragment load progress"),
void this.removeUnbufferedFrags(r.start);
var h = a.defaultAudioCodec || l.audioCodec || "mp4a.40.2"
, d = this.transmuxer;
d || (d = this.transmuxer = new hn(this.hls,ve,this._handleTransmuxComplete.bind(this),this._handleTransmuxerFlush.bind(this)));
var c = this.initPTS[r.cc]
, f = null == (e = r.initSegment) ? void 0 : e.data;
if (void 0 !== c) {
var g = i ? i.index : -1
, v = -1 !== g
, m = new wr(r.level,r.sn,r.stats.chunkCount,n.byteLength,g,v);
d.push(n, f, h, "", r, i, u.totalduration, !1, m, c)
} else
this.log("Unknown video PTS for cc " + r.cc + ", waiting for video PTS before demuxing audio frag " + r.sn + " of [" + u.startSN + " ," + u.endSN + "],track " + s),
(this.waitingData = this.waitingData || {
frag: r,
part: i,
cache: new mn,
complete: !1
}).cache.push(new Uint8Array(n)),
this.waitingVideoCC = this.videoTrackCC,
this.state = Qr
} else
this.warn("Audio track is undefined on fragment load progress")
} else
this.warn("Audio tracks were reset while fragment load was in progress. Fragment " + r.sn + " of level " + r.level + " will not be buffered")
}
,
r._handleFragmentLoadComplete = function(e) {
this.waitingData ? this.waitingData.complete = !0 : t.prototype._handleFragmentLoadComplete.call(this, e)
}
,
r.onBufferReset = function() {
this.mediaBuffer = this.videoBuffer = null,
this.loadedmetadata = !1
}
,
r.onBufferCreated = function(t, e) {
var r = e.tracks.audio;
r && (this.mediaBuffer = r.buffer || null),
e.tracks.video && (this.videoBuffer = e.tracks.video.buffer || null)
}
,
r.onFragBuffered = function(t, e) {
var r = e.frag
, n = e.part;
if (r.type === ve)
if (this.fragContextChanged(r))
this.warn("Fragment " + r.sn + (n ? " p: " + n.index : "") + " of level " + r.level + " finished buffering, but was aborted. state: " + this.state + ", audioSwitch: " + (this.switchingTrack ? this.switchingTrack.name : "false"));
else {
if ("initSegment" !== r.sn) {
this.fragPrevious = r;
var a = this.switchingTrack;
a && (this.bufferedTrack = a,
this.switchingTrack = null,
this.hls.trigger(S.AUDIO_TRACK_SWITCHED, i({}, a)))
}
this.fragBufferedComplete(r, n)
}
else if (!this.loadedmetadata && r.type === ge) {
var s = this.videoBuffer || this.media;
s && Ir.getBuffered(s).length && (this.loadedmetadata = !0)
}
}
,
r.onError = function(e, r) {
var i;
if (r.fatal)
this.state = zr;
else
switch (r.details) {
case R.FRAG_GAP:
case R.FRAG_PARSING_ERROR:
case R.FRAG_DECRYPT_ERROR:
case R.FRAG_LOAD_ERROR:
case R.FRAG_LOAD_TIMEOUT:
case R.KEY_LOAD_ERROR:
case R.KEY_LOAD_TIMEOUT:
this.onFragmentOrKeyLoadError(ve, r);
break;
case R.AUDIO_TRACK_LOAD_ERROR:
case R.AUDIO_TRACK_LOAD_TIMEOUT:
case R.LEVEL_PARSING_ERROR:
r.levelRetry || this.state !== Wr || (null == (i = r.context) ? void 0 : i.type) !== ce || (this.state = Kr);
break;
case R.BUFFER_FULL_ERROR:
if (!r.parent || "audio" !== r.parent)
return;
this.reduceLengthAndFlushBuffer(r) && (this.bufferedTrack = null,
t.prototype.flushMainBuffer.call(this, 0, Number.POSITIVE_INFINITY, "audio"));
break;
case R.INTERNAL_EXCEPTION:
this.recoverWorkerError(r)
}
}
,
r.onBufferFlushed = function(t, e) {
e.type === O && (this.bufferFlushed = !0,
this.state === Xr && (this.state = Kr))
}
,
r._handleTransmuxComplete = function(t) {
var e, r = "audio", i = this.hls, n = t.remuxResult, a = t.chunkMeta, s = this.getCurrentContext(a);
if (s) {
var l = s.frag
, u = s.part
, h = s.level.details
, d = n.audio
, c = n.text
, f = n.id3
, g = n.initSegment;
if (!this.fragContextChanged(l) && h) {
if (this.state = jr,
this.switchingTrack && d && this.completeAudioSwitch(this.switchingTrack),
null != g && g.tracks) {
var v = l.initSegment || l;
this._bufferInitSegment(g.tracks, v, a),
i.trigger(S.FRAG_PARSING_INIT_SEGMENT, {
frag: v,
id: r,
tracks: g.tracks
})
}
if (d) {
var m = d.startPTS
, p = d.endPTS
, y = d.startDTS
, T = d.endDTS;
u && (u.elementaryStreams[O] = {
startPTS: m,
endPTS: p,
startDTS: y,
endDTS: T
}),
l.setElementaryStreamInfo(O, m, p, y, T),
this.bufferFragmentData(d, l, u, a)
}
if (null != f && null != (e = f.samples) && e.length) {
var E = o({
id: r,
frag: l,
details: h
}, f);
i.trigger(S.FRAG_PARSING_METADATA, E)
}
if (c) {
var L = o({
id: r,
frag: l,
details: h
}, c);
i.trigger(S.FRAG_PARSING_USERDATA, L)
}
} else
this.fragmentTracker.removeFragment(l)
} else
this.resetWhenMissingContext(a)
}
,
r._bufferInitSegment = function(t, e, r) {
if (this.state === jr) {
t.video && delete t.video;
var i = t.audio;
if (i) {
i.levelCodec = i.codec,
i.id = "audio",
this.log("Init audio buffer, container:" + i.container + ", codecs[parsed]=[" + i.codec + "]"),
this.hls.trigger(S.BUFFER_CODECS, t);
var n = i.initSegment;
if (null != n && n.byteLength) {
var a = {
type: "audio",
frag: e,
part: null,
chunkMeta: r,
parent: e.type,
data: n
};
this.hls.trigger(S.BUFFER_APPENDING, a)
}
this.tick()
}
}
}
,
r.loadFragment = function(e, r, i) {
var n, a = this.fragmentTracker.getState(e);
this.fragCurrent = e,
this.switchingTrack || a === fr || a === vr ? "initSegment" === e.sn ? this._loadInitSegment(e, r) : null != (n = r.details) && n.live && !this.initPTS[e.cc] ? (this.log("Waiting for video PTS in continuity counter " + e.cc + " of live stream before loading audio fragment " + e.sn + " of level " + this.trackId),
this.state = Qr) : (this.startFragRequested = !0,
t.prototype.loadFragment.call(this, e, r, i)) : this.clearTrackerIfNeeded(e)
}
,
r.completeAudioSwitch = function(e) {
var r = this.hls
, n = this.media
, a = this.bufferedTrack
, s = null == a ? void 0 : a.attrs
, o = e.attrs;
n && s && (s.CHANNELS !== o.CHANNELS || s.NAME !== o.NAME || s.LANGUAGE !== o.LANGUAGE) && (this.log("Switching audio track : flushing all audio"),
t.prototype.flushMainBuffer.call(this, 0, Number.POSITIVE_INFINITY, "audio")),
this.bufferedTrack = e,
this.switchingTrack = null,
r.trigger(S.AUDIO_TRACK_SWITCHED, i({}, e))
}
,
e
}(Jr)
, yn = function(t) {
function e(e) {
var r;
return (r = t.call(this, e, "[audio-track-controller]") || this).tracks = [],
r.groupId = null,
r.tracksInGroup = [],
r.trackId = -1,
r.currentTrack = null,
r.selectDefaultTrack = !0,
r.registerListeners(),
r
}
l(e, t);
var r = e.prototype;
return r.registerListeners = function() {
var t = this.hls;
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.on(S.LEVEL_LOADING, this.onLevelLoading, this),
t.on(S.LEVEL_SWITCHING, this.onLevelSwitching, this),
t.on(S.AUDIO_TRACK_LOADED, this.onAudioTrackLoaded, this),
t.on(S.ERROR, this.onError, this)
}
,
r.unregisterListeners = function() {
var t = this.hls;
t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.off(S.LEVEL_LOADING, this.onLevelLoading, this),
t.off(S.LEVEL_SWITCHING, this.onLevelSwitching, this),
t.off(S.AUDIO_TRACK_LOADED, this.onAudioTrackLoaded, this),
t.off(S.ERROR, this.onError, this)
}
,
r.destroy = function() {
this.unregisterListeners(),
this.tracks.length = 0,
this.tracksInGroup.length = 0,
this.currentTrack = null,
t.prototype.destroy.call(this)
}
,
r.onManifestLoading = function() {
this.tracks = [],
this.groupId = null,
this.tracksInGroup = [],
this.trackId = -1,
this.currentTrack = null,
this.selectDefaultTrack = !0
}
,
r.onManifestParsed = function(t, e) {
this.tracks = e.audioTracks || []
}
,
r.onAudioTrackLoaded = function(t, e) {
var r = e.id
, i = e.groupId
, n = e.details
, a = this.tracksInGroup[r];
if (a && a.groupId === i) {
var s = a.details;
a.details = e.details,
this.log("audio-track " + r + ' "' + a.name + '" lang:' + a.lang + " group:" + i + " loaded [" + n.startSN + "-" + n.endSN + "]"),
r === this.trackId && this.playlistLoaded(r, e, s)
} else
this.warn("Track with id:" + r + " and group:" + i + " not found in active group " + a.groupId)
}
,
r.onLevelLoading = function(t, e) {
this.switchLevel(e.level)
}
,
r.onLevelSwitching = function(t, e) {
this.switchLevel(e.level)
}
,
r.switchLevel = function(t) {
var e = this.hls.levels[t];
if (null != e && e.audioGroupIds) {
var r = e.audioGroupIds[e.urlId];
if (this.groupId !== r) {
this.groupId = r || null;
var i = this.tracks.filter((function(t) {
return !r || t.groupId === r
}
));
this.selectDefaultTrack && !i.some((function(t) {
return t.default
}
)) && (this.selectDefaultTrack = !1),
this.tracksInGroup = i;
var n = {
audioTracks: i
};
this.log("Updating audio tracks, " + i.length + " track(s) found in group:" + r),
this.hls.trigger(S.AUDIO_TRACKS_UPDATED, n),
this.selectInitialTrack()
} else
this.shouldReloadPlaylist(this.currentTrack) && this.setAudioTrack(this.trackId)
}
}
,
r.onError = function(t, e) {
!e.fatal && e.context && e.context.type === ce && e.context.id === this.trackId && e.context.groupId === this.groupId && (this.requestScheduled = -1,
this.checkRetry(e))
}
,
r.setAudioTrack = function(t) {
var e = this.tracksInGroup;
if (t < 0 || t >= e.length)
this.warn("Invalid id passed to audio-track controller");
else {
this.clearTimer();
var r = this.currentTrack;
e[this.trackId];
var n = e[t]
, a = n.groupId
, s = n.name;
if (this.log("Switching to audio-track " + t + ' "' + s + '" lang:' + n.lang + " group:" + a),
this.trackId = t,
this.currentTrack = n,
this.selectDefaultTrack = !1,
this.hls.trigger(S.AUDIO_TRACK_SWITCHING, i({}, n)),
!n.details || n.details.live) {
var o = this.switchParams(n.url, null == r ? void 0 : r.details);
this.loadPlaylist(o)
}
}
}
,
r.selectInitialTrack = function() {
var t = this.tracksInGroup
, e = this.findTrackId(this.currentTrack) | this.findTrackId(null);
if (-1 !== e)
this.setAudioTrack(e);
else {
var r = new Error("No track found for running audio group-ID: " + this.groupId + " track count: " + t.length);
this.warn(r.message),
this.hls.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.AUDIO_TRACK_LOAD_ERROR,
fatal: !0,
error: r
})
}
}
,
r.findTrackId = function(t) {
for (var e = this.tracksInGroup, r = 0; r < e.length; r++) {
var i = e[r];
if (!this.selectDefaultTrack || i.default) {
if (!t || void 0 !== t.attrs["STABLE-RENDITION-ID"] && t.attrs["STABLE-RENDITION-ID"] === i.attrs["STABLE-RENDITION-ID"])
return i.id;
if (t.name === i.name && t.lang === i.lang)
return i.id
}
}
return -1
}
,
r.loadPlaylist = function(e) {
t.prototype.loadPlaylist.call(this);
var r = this.tracksInGroup[this.trackId];
if (this.shouldLoadPlaylist(r)) {
var i = r.id
, n = r.groupId
, a = r.url;
if (e)
try {
a = e.addDirectives(a)
} catch (t) {
this.warn("Could not construct new URL with HLS Delivery Directives: " + t)
}
this.log("loading audio-track playlist " + i + ' "' + r.name + '" lang:' + r.lang + " group:" + n),
this.clearTimer(),
this.hls.trigger(S.AUDIO_TRACK_LOADING, {
url: a,
id: i,
groupId: n,
deliveryDirectives: e || null
})
}
}
,
a(e, [{
key: "audioTracks",
get: function() {
return this.tracksInGroup
}
}, {
key: "audioTrack",
get: function() {
return this.trackId
},
set: function(t) {
this.selectDefaultTrack = !1,
this.setAudioTrack(t)
}
}]),
e
}(ur);
function Tn(t, e) {
if (t.length !== e.length)
return !1;
for (var r = 0; r < t.length; r++)
if (!En(t[r].attrs, e[r].attrs))
return !1;
return !0
}
function En(t, e) {
var r = t["STABLE-RENDITION-ID"];
return r ? r === e["STABLE-RENDITION-ID"] : !["LANGUAGE", "NAME", "CHARACTERISTICS", "AUTOSELECT", "DEFAULT", "FORCED"].some((function(r) {
return t[r] !== e[r]
}
))
}
var Sn = function(t) {
function e(e, r, i) {
var n;
return (n = t.call(this, e, r, i, "[subtitle-stream-controller]", me) || this).levels = [],
n.currentTrackId = -1,
n.tracksBuffered = [],
n.mainDetails = null,
n._registerListeners(),
n
}
l(e, t);
var r = e.prototype;
return r.onHandlerDestroying = function() {
this._unregisterListeners(),
this.mainDetails = null
}
,
r._registerListeners = function() {
var t = this.hls;
t.on(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.on(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.LEVEL_LOADED, this.onLevelLoaded, this),
t.on(S.ERROR, this.onError, this),
t.on(S.SUBTITLE_TRACKS_UPDATED, this.onSubtitleTracksUpdated, this),
t.on(S.SUBTITLE_TRACK_SWITCH, this.onSubtitleTrackSwitch, this),
t.on(S.SUBTITLE_TRACK_LOADED, this.onSubtitleTrackLoaded, this),
t.on(S.SUBTITLE_FRAG_PROCESSED, this.onSubtitleFragProcessed, this),
t.on(S.BUFFER_FLUSHING, this.onBufferFlushing, this),
t.on(S.FRAG_BUFFERED, this.onFragBuffered, this)
}
,
r._unregisterListeners = function() {
var t = this.hls;
t.off(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.off(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.LEVEL_LOADED, this.onLevelLoaded, this),
t.off(S.ERROR, this.onError, this),
t.off(S.SUBTITLE_TRACKS_UPDATED, this.onSubtitleTracksUpdated, this),
t.off(S.SUBTITLE_TRACK_SWITCH, this.onSubtitleTrackSwitch, this),
t.off(S.SUBTITLE_TRACK_LOADED, this.onSubtitleTrackLoaded, this),
t.off(S.SUBTITLE_FRAG_PROCESSED, this.onSubtitleFragProcessed, this),
t.off(S.BUFFER_FLUSHING, this.onBufferFlushing, this),
t.off(S.FRAG_BUFFERED, this.onFragBuffered, this)
}
,
r.startLoad = function(t) {
this.stopLoad(),
this.state = Kr,
this.setInterval(500),
this.nextLoadPosition = this.startPosition = this.lastCurrentTime = t,
this.tick()
}
,
r.onManifestLoading = function() {
this.mainDetails = null,
this.fragmentTracker.removeAllFragments()
}
,
r.onMediaDetaching = function() {
this.tracksBuffered = [],
t.prototype.onMediaDetaching.call(this)
}
,
r.onLevelLoaded = function(t, e) {
this.mainDetails = e.details
}
,
r.onSubtitleFragProcessed = function(t, e) {
var r = e.frag
, i = e.success;
if (this.fragPrevious = r,
this.state = Kr,
i) {
var n = this.tracksBuffered[this.currentTrackId];
if (n) {
for (var a, s = r.start, o = 0; o < n.length; o++)
if (s >= n[o].start && s <= n[o].end) {
a = n[o];
break
}
var l = r.start + r.duration;
a ? a.end = l : (a = {
start: s,
end: l
},
n.push(a)),
this.fragmentTracker.fragBuffered(r)
}
}
}
,
r.onBufferFlushing = function(t, e) {
var r = e.startOffset
, i = e.endOffset;
if (0 === r && i !== Number.POSITIVE_INFINITY) {
var n = i - 1;
if (n <= 0)
return;
e.endOffsetSubtitles = Math.max(0, n),
this.tracksBuffered.forEach((function(t) {
for (var e = 0; e < t.length; )
if (t[e].end <= n)
t.shift();
else {
if (!(t[e].start < n))
break;
t[e].start = n,
e++
}
}
)),
this.fragmentTracker.removeFragmentsInRange(r, n, me)
}
}
,
r.onFragBuffered = function(t, e) {
var r;
this.loadedmetadata || e.frag.type !== ge || null != (r = this.media) && r.buffered.length && (this.loadedmetadata = !0)
}
,
r.onError = function(t, e) {
var r = e.frag;
(null == r ? void 0 : r.type) === me && (this.fragCurrent && this.fragCurrent.abortRequests(),
this.state !== Gr && (this.state = Kr))
}
,
r.onSubtitleTracksUpdated = function(t, e) {
var r = this
, i = e.subtitleTracks;
Tn(this.levels, i) ? this.levels = i.map((function(t) {
return new Ne(t)
}
)) : (this.tracksBuffered = [],
this.levels = i.map((function(t) {
var e = new Ne(t);
return r.tracksBuffered[e.id] = [],
e
}
)),
this.fragmentTracker.removeFragmentsInRange(0, Number.POSITIVE_INFINITY, me),
this.fragPrevious = null,
this.mediaBuffer = null)
}
,
r.onSubtitleTrackSwitch = function(t, e) {
if (this.currentTrackId = e.id,
this.levels.length && -1 !== this.currentTrackId) {
var r = this.levels[this.currentTrackId];
null != r && r.details ? this.mediaBuffer = this.mediaBufferTimeRanges : this.mediaBuffer = null,
r && this.setInterval(500)
} else
this.clearInterval()
}
,
r.onSubtitleTrackLoaded = function(t, e) {
var r, i = e.details, n = e.id, a = this.currentTrackId, s = this.levels;
if (s.length) {
var o = s[a];
if (!(n >= s.length || n !== a) && o) {
this.mediaBuffer = this.mediaBufferTimeRanges;
var l = 0;
if (i.live || null != (r = o.details) && r.live) {
var u = this.mainDetails;
if (i.deltaUpdateFailed || !u)
return;
var h = u.fragments[0];
o.details ? 0 === (l = this.alignPlaylists(i, o.details)) && h && He(i, l = h.start) : i.hasProgramDateTime && u.hasProgramDateTime ? (Fr(i, u),
l = i.fragments[0].start) : h && He(i, l = h.start)
}
o.details = i,
this.levelLastLoaded = n,
this.startFragRequested || !this.mainDetails && i.live || this.setStartPosition(o.details, l),
this.tick(),
i.live && !this.fragCurrent && this.media && this.state === Kr && ($e(null, i.fragments, this.media.currentTime, 0) || (this.warn("Subtitle playlist not aligned with playback"),
o.details = void 0))
}
}
}
,
r._handleFragmentLoadComplete = function(t) {
var e = this
, r = t.frag
, i = t.payload
, n = r.decryptdata
, a = this.hls;
if (!this.fragContextChanged(r) && i && i.byteLength > 0 && n && n.key && n.iv && "AES-128" === n.method) {
var s = performance.now();
this.decrypter.decrypt(new Uint8Array(i), n.key.buffer, n.iv.buffer).catch((function(t) {
throw a.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.FRAG_DECRYPT_ERROR,
fatal: !1,
error: t,
reason: t.message,
frag: r
}),
t
}
)).then((function(t) {
var e = performance.now();
a.trigger(S.FRAG_DECRYPTED, {
frag: r,
payload: t,
stats: {
tstart: s,
tdecrypt: e
}
})
}
)).catch((function(t) {
e.warn(t.name + ": " + t.message),
e.state = Kr
}
))
}
}
,
r.doTick = function() {
if (this.media) {
if (this.state === Kr) {
var t = this.currentTrackId
, e = this.levels
, r = e[t];
if (!e.length || !r || !r.details)
return;
var i = this.config
, n = this.getLoadPosition()
, a = Ir.bufferedInfo(this.tracksBuffered[this.currentTrackId] || [], n, i.maxBufferHole)
, s = a.end
, o = a.len
, l = this.getFwdBufferInfo(this.media, ge)
, u = r.details;
if (o > this.getMaxBufferLength(null == l ? void 0 : l.len) + u.levelTargetDuration)
return;
var h = u.fragments
, d = h.length
, c = u.edge
, f = null
, g = this.fragPrevious;
if (s < c) {
var v = i.maxFragLookUpTolerance
, m = s > c - v ? 0 : v;
!(f = $e(g, h, Math.max(h[0].start, s), m)) && g && g.start < h[0].start && (f = h[0])
} else
f = h[d - 1];
if (!f)
return;
if ("initSegment" !== (f = this.mapToInitFragWhenRequired(f)).sn) {
var p = h[f.sn - u.startSN - 1];
p && p.cc === f.cc && this.fragmentTracker.getState(p) === fr && (f = p)
}
this.fragmentTracker.getState(f) === fr && this.loadFragment(f, r, s)
}
} else
this.state = Kr
}
,
r.getMaxBufferLength = function(e) {
var r = t.prototype.getMaxBufferLength.call(this);
return e ? Math.max(r, e) : r
}
,
r.loadFragment = function(e, r, i) {
this.fragCurrent = e,
"initSegment" === e.sn ? this._loadInitSegment(e, r) : (this.startFragRequested = !0,
t.prototype.loadFragment.call(this, e, r, i))
}
,
a(e, [{
key: "mediaBufferTimeRanges",
get: function() {
return new Ln(this.tracksBuffered[this.currentTrackId] || [])
}
}]),
e
}(Jr)
, Ln = function(t) {
this.buffered = void 0;
var e = function(e, r, i) {
if ((r >>>= 0) > i - 1)
throw new DOMException("Failed to execute '" + e + "' on 'TimeRanges': The index provided (" + r + ") is greater than the maximum bound (" + i + ")");
return t[r][e]
};
this.buffered = {
get length() {
return t.length
},
end: function(r) {
return e("end", r, t.length)
},
start: function(r) {
return e("start", r, t.length)
}
}
}
, Rn = function(t) {
function e(e) {
var r;
return (r = t.call(this, e, "[subtitle-track-controller]") || this).media = null,
r.tracks = [],
r.groupId = null,
r.tracksInGroup = [],
r.trackId = -1,
r.selectDefaultTrack = !0,
r.queuedDefaultTrack = -1,
r.trackChangeListener = function() {
return r.onTextTracksChanged()
}
,
r.asyncPollTrackChange = function() {
return r.pollTrackChange(0)
}
,
r.useTextTrackPolling = !1,
r.subtitlePollingInterval = -1,
r._subtitleDisplay = !0,
r.registerListeners(),
r
}
l(e, t);
var r = e.prototype;
return r.destroy = function() {
this.unregisterListeners(),
this.tracks.length = 0,
this.tracksInGroup.length = 0,
this.trackChangeListener = this.asyncPollTrackChange = null,
t.prototype.destroy.call(this)
}
,
r.registerListeners = function() {
var t = this.hls;
t.on(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.on(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.on(S.LEVEL_LOADING, this.onLevelLoading, this),
t.on(S.LEVEL_SWITCHING, this.onLevelSwitching, this),
t.on(S.SUBTITLE_TRACK_LOADED, this.onSubtitleTrackLoaded, this),
t.on(S.ERROR, this.onError, this)
}
,
r.unregisterListeners = function() {
var t = this.hls;
t.off(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.off(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.off(S.LEVEL_LOADING, this.onLevelLoading, this),
t.off(S.LEVEL_SWITCHING, this.onLevelSwitching, this),
t.off(S.SUBTITLE_TRACK_LOADED, this.onSubtitleTrackLoaded, this),
t.off(S.ERROR, this.onError, this)
}
,
r.onMediaAttached = function(t, e) {
this.media = e.media,
this.media && (this.queuedDefaultTrack > -1 && (this.subtitleTrack = this.queuedDefaultTrack,
this.queuedDefaultTrack = -1),
this.useTextTrackPolling = !(this.media.textTracks && "onchange"in this.media.textTracks),
this.useTextTrackPolling ? this.pollTrackChange(500) : this.media.textTracks.addEventListener("change", this.asyncPollTrackChange))
}
,
r.pollTrackChange = function(t) {
self.clearInterval(this.subtitlePollingInterval),
this.subtitlePollingInterval = self.setInterval(this.trackChangeListener, t)
}
,
r.onMediaDetaching = function() {
this.media && (self.clearInterval(this.subtitlePollingInterval),
this.useTextTrackPolling || this.media.textTracks.removeEventListener("change", this.asyncPollTrackChange),
this.trackId > -1 && (this.queuedDefaultTrack = this.trackId),
An(this.media.textTracks).forEach((function(t) {
Le(t)
}
)),
this.subtitleTrack = -1,
this.media = null)
}
,
r.onManifestLoading = function() {
this.tracks = [],
this.groupId = null,
this.tracksInGroup = [],
this.trackId = -1,
this.selectDefaultTrack = !0
}
,
r.onManifestParsed = function(t, e) {
this.tracks = e.subtitleTracks
}
,
r.onSubtitleTrackLoaded = function(t, e) {
var r = e.id
, i = e.details
, n = this.trackId
, a = this.tracksInGroup[n];
if (a) {
var s = a.details;
a.details = e.details,
this.log("subtitle track " + r + " loaded [" + i.startSN + "-" + i.endSN + "]"),
r === this.trackId && this.playlistLoaded(r, e, s)
} else
this.warn("Invalid subtitle track id " + r)
}
,
r.onLevelLoading = function(t, e) {
this.switchLevel(e.level)
}
,
r.onLevelSwitching = function(t, e) {
this.switchLevel(e.level)
}
,
r.switchLevel = function(t) {
var e = this.hls.levels[t];
if (null != e && e.textGroupIds) {
var r = e.textGroupIds[e.urlId]
, i = this.tracksInGroup ? this.tracksInGroup[this.trackId] : void 0;
if (this.groupId !== r) {
var n = this.tracks.filter((function(t) {
return !r || t.groupId === r
}
));
this.tracksInGroup = n;
var a = this.findTrackId(null == i ? void 0 : i.name) || this.findTrackId();
this.groupId = r || null;
var s = {
subtitleTracks: n
};
this.log("Updating subtitle tracks, " + n.length + ' track(s) found in "' + r + '" group-id'),
this.hls.trigger(S.SUBTITLE_TRACKS_UPDATED, s),
-1 !== a && this.setSubtitleTrack(a, i)
} else
this.shouldReloadPlaylist(i) && this.setSubtitleTrack(this.trackId, i)
}
}
,
r.findTrackId = function(t) {
for (var e = this.tracksInGroup, r = 0; r < e.length; r++) {
var i = e[r];
if ((!this.selectDefaultTrack || i.default) && (!t || t === i.name))
return i.id
}
return -1
}
,
r.onError = function(t, e) {
!e.fatal && e.context && e.context.type === fe && e.context.id === this.trackId && e.context.groupId === this.groupId && this.checkRetry(e)
}
,
r.loadPlaylist = function(e) {
t.prototype.loadPlaylist.call(this);
var r = this.tracksInGroup[this.trackId];
if (this.shouldLoadPlaylist(r)) {
var i = r.id
, n = r.groupId
, a = r.url;
if (e)
try {
a = e.addDirectives(a)
} catch (t) {
this.warn("Could not construct new URL with HLS Delivery Directives: " + t)
}
this.log("Loading subtitle playlist for id " + i),
this.hls.trigger(S.SUBTITLE_TRACK_LOADING, {
url: a,
id: i,
groupId: n,
deliveryDirectives: e || null
})
}
}
,
r.toggleTrackModes = function(t) {
var e = this
, r = this.media
, i = this.trackId;
if (r) {
var n = An(r.textTracks)
, a = n.filter((function(t) {
return t.groupId === e.groupId
}
));
if (-1 === t)
[].slice.call(n).forEach((function(t) {
t.mode = "disabled"
}
));
else {
var s = a[i];
s && (s.mode = "disabled")
}
var o = a[t];
o && (o.mode = this.subtitleDisplay ? "showing" : "hidden")
}
}
,
r.setSubtitleTrack = function(t, e) {
var r, i = this.tracksInGroup;
if (this.media) {
if (this.trackId !== t && this.toggleTrackModes(t),
!(this.trackId === t && (-1 === t || null != (r = i[t]) && r.details) || t < -1 || t >= i.length)) {
this.clearTimer();
var n = i[t];
if (this.log("Switching to subtitle-track " + t + (n ? ' "' + n.name + '" lang:' + n.lang + " group:" + n.groupId : "")),
this.trackId = t,
n) {
var a = n.id
, s = n.groupId
, o = void 0 === s ? "" : s
, l = n.name
, u = n.type
, h = n.url;
this.hls.trigger(S.SUBTITLE_TRACK_SWITCH, {
id: a,
groupId: o,
name: l,
type: u,
url: h
});
var d = this.switchParams(n.url, null == e ? void 0 : e.details);
this.loadPlaylist(d)
} else
this.hls.trigger(S.SUBTITLE_TRACK_SWITCH, {
id: t
})
}
} else
this.queuedDefaultTrack = t
}
,
r.onTextTracksChanged = function() {
if (this.useTextTrackPolling || self.clearInterval(this.subtitlePollingInterval),
this.media && this.hls.config.renderTextTracksNatively) {
for (var t = -1, e = An(this.media.textTracks), r = 0; r < e.length; r++)
if ("hidden" === e[r].mode)
t = r;
else if ("showing" === e[r].mode) {
t = r;
break
}
this.subtitleTrack !== t && (this.subtitleTrack = t)
}
}
,
a(e, [{
key: "subtitleDisplay",
get: function() {
return this._subtitleDisplay
},
set: function(t) {
this._subtitleDisplay = t,
this.trackId > -1 && this.toggleTrackModes(this.trackId)
}
}, {
key: "subtitleTracks",
get: function() {
return this.tracksInGroup
}
}, {
key: "subtitleTrack",
get: function() {
return this.trackId
},
set: function(t) {
this.selectDefaultTrack = !1;
var e = this.tracksInGroup ? this.tracksInGroup[this.trackId] : void 0;
this.setSubtitleTrack(t, e)
}
}]),
e
}(ur);
function An(t) {
for (var e = [], r = 0; r < t.length; r++) {
var i = t[r];
"subtitles" !== i.kind && "captions" !== i.kind || !i.label || e.push(t[r])
}
return e
}
var kn = function() {
function t(t) {
this.buffers = void 0,
this.queues = {
video: [],
audio: [],
audiovideo: []
},
this.buffers = t
}
var e = t.prototype;
return e.append = function(t, e) {
var r = this.queues[e];
r.push(t),
1 === r.length && this.buffers[e] && this.executeNext(e)
}
,
e.insertAbort = function(t, e) {
this.queues[e].unshift(t),
this.executeNext(e)
}
,
e.appendBlocker = function(t) {
var e, r = new Promise((function(t) {
e = t
}
)), i = {
execute: e,
onStart: function() {},
onComplete: function() {},
onError: function() {}
};
return this.append(i, t),
r
}
,
e.executeNext = function(t) {
var e = this.buffers
, r = this.queues
, i = e[t]
, n = r[t];
if (n.length) {
var a = n[0];
try {
a.execute()
} catch (e) {
w.warn("[buffer-operation-queue]: Unhandled exception executing the current operation"),
a.onError(e),
null != i && i.updating || (n.shift(),
this.executeNext(t))
}
}
}
,
e.shiftAndExecuteNext = function(t) {
this.queues[t].shift(),
this.executeNext(t)
}
,
e.current = function(t) {
return this.queues[t][0]
}
,
t
}()
, bn = qt()
, Dn = /([ha]vc.)(?:\.[^.,]+)+/
, In = function() {
function t(t) {
var e = this;
this.details = null,
this._objectUrl = null,
this.operationQueue = void 0,
this.listeners = void 0,
this.hls = void 0,
this.bufferCodecEventsExpected = 0,
this._bufferCodecEventsTotal = 0,
this.media = null,
this.mediaSource = null,
this.lastMpegAudioChunk = null,
this.appendError = 0,
this.tracks = {},
this.pendingTracks = {},
this.sourceBuffer = void 0,
this._onMediaSourceOpen = function() {
var t = e.media
, r = e.mediaSource;
w.log("[buffer-controller]: Media source opened"),
t && (t.removeEventListener("emptied", e._onMediaEmptied),
e.updateMediaElementDuration(),
e.hls.trigger(S.MEDIA_ATTACHED, {
media: t
})),
r && r.removeEventListener("sourceopen", e._onMediaSourceOpen),
e.checkPendingTracks()
}
,
this._onMediaSourceClose = function() {
w.log("[buffer-controller]: Media source closed")
}
,
this._onMediaSourceEnded = function() {
w.log("[buffer-controller]: Media source ended")
}
,
this._onMediaEmptied = function() {
var t = e.media
, r = e._objectUrl;
t && t.src !== r && w.error("Media element src was set while attaching MediaSource (" + r + " > " + t.src + ")")
}
,
this.hls = t,
this._initSourceBuffer(),
this.registerListeners()
}
var e = t.prototype;
return e.hasSourceTypes = function() {
return this.getSourceBufferTypes().length > 0 || Object.keys(this.pendingTracks).length > 0
}
,
e.destroy = function() {
this.unregisterListeners(),
this.details = null,
this.lastMpegAudioChunk = null
}
,
e.registerListeners = function() {
var t = this.hls;
t.on(S.MEDIA_ATTACHING, this.onMediaAttaching, this),
t.on(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.on(S.BUFFER_RESET, this.onBufferReset, this),
t.on(S.BUFFER_APPENDING, this.onBufferAppending, this),
t.on(S.BUFFER_CODECS, this.onBufferCodecs, this),
t.on(S.BUFFER_EOS, this.onBufferEos, this),
t.on(S.BUFFER_FLUSHING, this.onBufferFlushing, this),
t.on(S.LEVEL_UPDATED, this.onLevelUpdated, this),
t.on(S.FRAG_PARSED, this.onFragParsed, this),
t.on(S.FRAG_CHANGED, this.onFragChanged, this)
}
,
e.unregisterListeners = function() {
var t = this.hls;
t.off(S.MEDIA_ATTACHING, this.onMediaAttaching, this),
t.off(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.off(S.BUFFER_RESET, this.onBufferReset, this),
t.off(S.BUFFER_APPENDING, this.onBufferAppending, this),
t.off(S.BUFFER_CODECS, this.onBufferCodecs, this),
t.off(S.BUFFER_EOS, this.onBufferEos, this),
t.off(S.BUFFER_FLUSHING, this.onBufferFlushing, this),
t.off(S.LEVEL_UPDATED, this.onLevelUpdated, this),
t.off(S.FRAG_PARSED, this.onFragParsed, this),
t.off(S.FRAG_CHANGED, this.onFragChanged, this)
}
,
e._initSourceBuffer = function() {
this.sourceBuffer = {},
this.operationQueue = new kn(this.sourceBuffer),
this.listeners = {
audio: [],
video: [],
audiovideo: []
},
this.lastMpegAudioChunk = null
}
,
e.onManifestLoading = function() {
this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = 0,
this.details = null
}
,
e.onManifestParsed = function(t, e) {
var r = 2;
(e.audio && !e.video || !e.altAudio) && (r = 1),
this.bufferCodecEventsExpected = this._bufferCodecEventsTotal = r,
w.log(this.bufferCodecEventsExpected + " bufferCodec event(s) expected")
}
,
e.onMediaAttaching = function(t, e) {
var r = this.media = e.media;
if (r && bn) {
var i = this.mediaSource = new bn;
i.addEventListener("sourceopen", this._onMediaSourceOpen),
i.addEventListener("sourceended", this._onMediaSourceEnded),
i.addEventListener("sourceclose", this._onMediaSourceClose),
r.src = self.URL.createObjectURL(i),
this._objectUrl = r.src,
r.addEventListener("emptied", this._onMediaEmptied)
}
}
,
e.onMediaDetaching = function() {
var t = this.media
, e = this.mediaSource
, r = this._objectUrl;
if (e) {
if (w.log("[buffer-controller]: media source detaching"),
"open" === e.readyState)
try {
e.endOfStream()
} catch (t) {
w.warn("[buffer-controller]: onMediaDetaching: " + t.message + " while calling endOfStream")
}
this.onBufferReset(),
e.removeEventListener("sourceopen", this._onMediaSourceOpen),
e.removeEventListener("sourceended", this._onMediaSourceEnded),
e.removeEventListener("sourceclose", this._onMediaSourceClose),
t && (t.removeEventListener("emptied", this._onMediaEmptied),
r && self.URL.revokeObjectURL(r),
t.src === r ? (t.removeAttribute("src"),
t.load()) : w.warn("[buffer-controller]: media.src was changed by a third party - skip cleanup")),
this.mediaSource = null,
this.media = null,
this._objectUrl = null,
this.bufferCodecEventsExpected = this._bufferCodecEventsTotal,
this.pendingTracks = {},
this.tracks = {}
}
this.hls.trigger(S.MEDIA_DETACHED, void 0)
}
,
e.onBufferReset = function() {
var t = this;
this.getSourceBufferTypes().forEach((function(e) {
var r = t.sourceBuffer[e];
try {
r && (t.removeBufferListeners(e),
t.mediaSource && t.mediaSource.removeSourceBuffer(r),
t.sourceBuffer[e] = void 0)
} catch (t) {
w.warn("[buffer-controller]: Failed to reset the " + e + " buffer", t)
}
}
)),
this._initSourceBuffer()
}
,
e.onBufferCodecs = function(t, e) {
var r = this
, i = this.getSourceBufferTypes().length;
Object.keys(e).forEach((function(t) {
if (i) {
var n = r.tracks[t];
if (n && "function" == typeof n.buffer.changeType) {
var a = e[t]
, s = a.id
, o = a.codec
, l = a.levelCodec
, u = a.container
, h = a.metadata
, d = (n.levelCodec || n.codec).replace(Dn, "$1")
, c = (l || o).replace(Dn, "$1");
if (d !== c) {
var f = u + ";codecs=" + (l || o);
r.appendChangeType(t, f),
w.log("[buffer-controller]: switching codec " + d + " to " + c),
r.tracks[t] = {
buffer: n.buffer,
codec: o,
container: u,
levelCodec: l,
metadata: h,
id: s
}
}
}
} else
r.pendingTracks[t] = e[t]
}
)),
i || (this.bufferCodecEventsExpected = Math.max(this.bufferCodecEventsExpected - 1, 0),
this.mediaSource && "open" === this.mediaSource.readyState && this.checkPendingTracks())
}
,
e.appendChangeType = function(t, e) {
var r = this
, i = this.operationQueue
, n = {
execute: function() {
var n = r.sourceBuffer[t];
n && (w.log("[buffer-controller]: changing " + t + " sourceBuffer type to " + e),
n.changeType(e)),
i.shiftAndExecuteNext(t)
},
onStart: function() {},
onComplete: function() {},
onError: function(e) {
w.warn("[buffer-controller]: Failed to change " + t + " SourceBuffer type", e)
}
};
i.append(n, t)
}
,
e.onBufferAppending = function(t, e) {
var r = this
, i = this.hls
, n = this.operationQueue
, a = this.tracks
, s = e.data
, o = e.type
, l = e.frag
, u = e.part
, h = e.chunkMeta
, d = h.buffering[o]
, c = self.performance.now();
d.start = c;
var f = l.stats.buffering
, g = u ? u.stats.buffering : null;
0 === f.start && (f.start = c),
g && 0 === g.start && (g.start = c);
var v = a.audio
, m = !1;
"audio" === o && "audio/mpeg" === (null == v ? void 0 : v.container) && (m = !this.lastMpegAudioChunk || 1 === h.id || this.lastMpegAudioChunk.sn !== h.sn,
this.lastMpegAudioChunk = h);
var p = l.start
, y = {
execute: function() {
if (d.executeStart = self.performance.now(),
m) {
var t = r.sourceBuffer[o];
if (t) {
var e = p - t.timestampOffset;
Math.abs(e) >= .1 && (w.log("[buffer-controller]: Updating audio SourceBuffer timestampOffset to " + p + " (delta: " + e + ") sn: " + l.sn + ")"),
t.timestampOffset = p)
}
}
r.appendExecutor(s, o)
},
onStart: function() {},
onComplete: function() {
var t = self.performance.now();
d.executeEnd = d.end = t,
0 === f.first && (f.first = t),
g && 0 === g.first && (g.first = t);
var e = r.sourceBuffer
, i = {};
for (var n in e)
i[n] = Ir.getBuffered(e[n]);
r.appendError = 0,
r.hls.trigger(S.BUFFER_APPENDED, {
type: o,
frag: l,
part: u,
chunkMeta: h,
parent: l.type,
timeRanges: i
})
},
onError: function(t) {
w.error("[buffer-controller]: Error encountered while trying to append to the " + o + " SourceBuffer", t);
var e = {
type: L.MEDIA_ERROR,
parent: l.type,
details: R.BUFFER_APPEND_ERROR,
frag: l,
part: u,
chunkMeta: h,
error: t,
err: t,
fatal: !1
};
t.code === DOMException.QUOTA_EXCEEDED_ERR ? e.details = R.BUFFER_FULL_ERROR : (r.appendError++,
e.details = R.BUFFER_APPEND_ERROR,
r.appendError > i.config.appendErrorMaxRetry && (w.error("[buffer-controller]: Failed " + i.config.appendErrorMaxRetry + " times to append segment in sourceBuffer"),
e.fatal = !0)),
i.trigger(S.ERROR, e)
}
};
n.append(y, o)
}
,
e.onBufferFlushing = function(t, e) {
var r = this
, i = this.operationQueue
, n = function(t) {
return {
execute: r.removeExecutor.bind(r, t, e.startOffset, e.endOffset),
onStart: function() {},
onComplete: function() {
r.hls.trigger(S.BUFFER_FLUSHED, {
type: t
})
},
onError: function(e) {
w.warn("[buffer-controller]: Failed to remove from " + t + " SourceBuffer", e)
}
}
};
e.type ? i.append(n(e.type), e.type) : this.getSourceBufferTypes().forEach((function(t) {
i.append(n(t), t)
}
))
}
,
e.onFragParsed = function(t, e) {
var r = this
, i = e.frag
, n = e.part
, a = []
, s = n ? n.elementaryStreams : i.elementaryStreams;
s[U] ? a.push("audiovideo") : (s[O] && a.push("audio"),
s[N] && a.push("video")),
0 === a.length && w.warn("Fragments must have at least one ElementaryStreamType set. type: " + i.type + " level: " + i.level + " sn: " + i.sn),
this.blockBuffers((function() {
var t = self.performance.now();
i.stats.buffering.end = t,
n && (n.stats.buffering.end = t);
var e = n ? n.stats : i.stats;
r.hls.trigger(S.FRAG_BUFFERED, {
frag: i,
part: n,
stats: e,
id: i.type
})
}
), a)
}
,
e.onFragChanged = function(t, e) {
this.flushBackBuffer()
}
,
e.onBufferEos = function(t, e) {
var r = this;
this.getSourceBufferTypes().reduce((function(t, i) {
var n = r.sourceBuffer[i];
return !n || e.type && e.type !== i || (n.ending = !0,
n.ended || (n.ended = !0,
w.log("[buffer-controller]: " + i + " sourceBuffer now EOS"))),
t && !(n && !n.ended)
}
), !0) && (w.log("[buffer-controller]: Queueing mediaSource.endOfStream()"),
this.blockBuffers((function() {
r.getSourceBufferTypes().forEach((function(t) {
var e = r.sourceBuffer[t];
e && (e.ending = !1)
}
));
var t = r.mediaSource;
t && "open" === t.readyState ? (w.log("[buffer-controller]: Calling mediaSource.endOfStream()"),
t.endOfStream()) : t && w.info("[buffer-controller]: Could not call mediaSource.endOfStream(). mediaSource.readyState: " + t.readyState)
}
)))
}
,
e.onLevelUpdated = function(t, e) {
var r = e.details;
r.fragments.length && (this.details = r,
this.getSourceBufferTypes().length ? this.blockBuffers(this.updateMediaElementDuration.bind(this)) : this.updateMediaElementDuration())
}
,
e.flushBackBuffer = function() {
var t = this.hls
, e = this.details
, r = this.media
, i = this.sourceBuffer;
if (r && null !== e) {
var n = this.getSourceBufferTypes();
if (n.length) {
var a = e.live && null !== t.config.liveBackBufferLength ? t.config.liveBackBufferLength : t.config.backBufferLength;
if (E(a) && !(a < 0)) {
var s = r.currentTime
, o = e.levelTargetDuration
, l = Math.max(a, o)
, u = Math.floor(s / o) * o - l;
n.forEach((function(r) {
var n = i[r];
if (n) {
var a = Ir.getBuffered(n);
if (a.length > 0 && u > a.start(0)) {
if (t.trigger(S.BACK_BUFFER_REACHED, {
bufferEnd: u
}),
e.live)
t.trigger(S.LIVE_BACK_BUFFER_REACHED, {
bufferEnd: u
});
else if (n.ended && a.end(a.length - 1) - s < 2 * o)
return void w.info("[buffer-controller]: Cannot flush " + r + " back buffer while SourceBuffer is in ended state");
t.trigger(S.BUFFER_FLUSHING, {
startOffset: 0,
endOffset: u,
type: r
})
}
}
}
))
}
}
}
}
,
e.updateMediaElementDuration = function() {
if (this.details && this.media && this.mediaSource && "open" === this.mediaSource.readyState) {
var t = this.details
, e = this.hls
, r = this.media
, i = this.mediaSource
, n = t.fragments[0].start + t.totalduration
, a = r.duration
, s = E(i.duration) ? i.duration : 0;
t.live && e.config.liveDurationInfinity ? (w.log("[buffer-controller]: Media Source duration is set to Infinity"),
i.duration = 1 / 0,
this.updateSeekableRange(t)) : (n > s && n > a || !E(a)) && (w.log("[buffer-controller]: Updating Media Source duration to " + n.toFixed(3)),
i.duration = n)
}
}
,
e.updateSeekableRange = function(t) {
var e = this.mediaSource
, r = t.fragments;
if (r.length && t.live && null != e && e.setLiveSeekableRange) {
var i = Math.max(0, r[0].start)
, n = Math.max(i, i + t.totalduration);
e.setLiveSeekableRange(i, n)
}
}
,
e.checkPendingTracks = function() {
var t = this.bufferCodecEventsExpected
, e = this.operationQueue
, r = this.pendingTracks
, i = Object.keys(r).length;
if (i && !t || 2 === i) {
this.createSourceBuffers(r),
this.pendingTracks = {};
var n = this.getSourceBufferTypes();
if (n.length)
this.hls.trigger(S.BUFFER_CREATED, {
tracks: this.tracks
}),
n.forEach((function(t) {
e.executeNext(t)
}
));
else {
var a = new Error("could not create source buffer for media codec(s)");
this.hls.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.BUFFER_INCOMPATIBLE_CODECS_ERROR,
fatal: !0,
error: a,
reason: a.message
})
}
}
}
,
e.createSourceBuffers = function(t) {
var e = this.sourceBuffer
, r = this.mediaSource;
if (!r)
throw Error("createSourceBuffers called when mediaSource was null");
for (var i in t)
if (!e[i]) {
var n = t[i];
if (!n)
throw Error("source buffer exists for track " + i + ", however track does not");
var a = n.levelCodec || n.codec
, s = n.container + ";codecs=" + a;
w.log("[buffer-controller]: creating sourceBuffer(" + s + ")");
try {
var o = e[i] = r.addSourceBuffer(s)
, l = i;
this.addBufferListener(l, "updatestart", this._onSBUpdateStart),
this.addBufferListener(l, "updateend", this._onSBUpdateEnd),
this.addBufferListener(l, "error", this._onSBUpdateError),
this.tracks[i] = {
buffer: o,
codec: a,
container: n.container,
levelCodec: n.levelCodec,
metadata: n.metadata,
id: n.id
}
} catch (t) {
w.error("[buffer-controller]: error while trying to add sourceBuffer: " + t.message),
this.hls.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.BUFFER_ADD_CODEC_ERROR,
fatal: !1,
error: t,
mimeType: s
})
}
}
}
,
e._onSBUpdateStart = function(t) {
this.operationQueue.current(t).onStart()
}
,
e._onSBUpdateEnd = function(t) {
var e = this.operationQueue;
e.current(t).onComplete(),
e.shiftAndExecuteNext(t)
}
,
e._onSBUpdateError = function(t, e) {
var r = new Error(t + " SourceBuffer error");
w.error("[buffer-controller]: " + r, e),
this.hls.trigger(S.ERROR, {
type: L.MEDIA_ERROR,
details: R.BUFFER_APPENDING_ERROR,
error: r,
fatal: !1
});
var i = this.operationQueue.current(t);
i && i.onError(e)
}
,
e.removeExecutor = function(t, e, r) {
var i = this.media
, n = this.mediaSource
, a = this.operationQueue
, s = this.sourceBuffer[t];
if (!i || !n || !s)
return w.warn("[buffer-controller]: Attempting to remove from the " + t + " SourceBuffer, but it does not exist"),
void a.shiftAndExecuteNext(t);
var o = E(i.duration) ? i.duration : 1 / 0
, l = E(n.duration) ? n.duration : 1 / 0
, u = Math.max(0, e)
, h = Math.min(r, o, l);
h > u && !s.ending ? (s.ended = !1,
w.log("[buffer-controller]: Removing [" + u + "," + h + "] from the " + t + " SourceBuffer"),
s.remove(u, h)) : a.shiftAndExecuteNext(t)
}
,
e.appendExecutor = function(t, e) {
var r = this.operationQueue
, i = this.sourceBuffer[e];
if (!i)
return w.warn("[buffer-controller]: Attempting to append to the " + e + " SourceBuffer, but it does not exist"),
void r.shiftAndExecuteNext(e);
i.ended = !1,
i.appendBuffer(t)
}
,
e.blockBuffers = function(t, e) {
var r = this;
if (void 0 === e && (e = this.getSourceBufferTypes()),
!e.length)
return w.log("[buffer-controller]: Blocking operation requested, but no SourceBuffers exist"),
void Promise.resolve().then(t);
var i = this.operationQueue
, n = e.map((function(t) {
return i.appendBlocker(t)
}
));
Promise.all(n).then((function() {
t(),
e.forEach((function(t) {
var e = r.sourceBuffer[t];
null != e && e.updating || i.shiftAndExecuteNext(t)
}
))
}
))
}
,
e.getSourceBufferTypes = function() {
return Object.keys(this.sourceBuffer)
}
,
e.addBufferListener = function(t, e, r) {
var i = this.sourceBuffer[t];
if (i) {
var n = r.bind(this, t);
this.listeners[t].push({
event: e,
listener: n
}),
i.addEventListener(e, n)
}
}
,
e.removeBufferListeners = function(t) {
var e = this.sourceBuffer[t];
e && this.listeners[t].forEach((function(t) {
e.removeEventListener(t.event, t.listener)
}
))
}
,
t
}()
, wn = {
42: 225,
92: 233,
94: 237,
95: 243,
96: 250,
123: 231,
124: 247,
125: 209,
126: 241,
127: 9608,
128: 174,
129: 176,
130: 189,
131: 191,
132: 8482,
133: 162,
134: 163,
135: 9834,
136: 224,
137: 32,
138: 232,
139: 226,
140: 234,
141: 238,
142: 244,
143: 251,
144: 193,
145: 201,
146: 211,
147: 218,
148: 220,
149: 252,
150: 8216,
151: 161,
152: 42,
153: 8217,
154: 9473,
155: 169,
156: 8480,
157: 8226,
158: 8220,
159: 8221,
160: 192,
161: 194,
162: 199,
163: 200,
164: 202,
165: 203,
166: 235,
167: 206,
168: 207,
169: 239,
170: 212,
171: 217,
172: 249,
173: 219,
174: 171,
175: 187,
176: 195,
177: 227,
178: 205,
179: 204,
180: 236,
181: 210,
182: 242,
183: 213,
184: 245,
185: 123,
186: 125,
187: 92,
188: 94,
189: 95,
190: 124,
191: 8764,
192: 196,
193: 228,
194: 214,
195: 246,
196: 223,
197: 165,
198: 164,
199: 9475,
200: 197,
201: 229,
202: 216,
203: 248,
204: 9487,
205: 9491,
206: 9495,
207: 9499
}
, Cn = function(t) {
var e = t;
return wn.hasOwnProperty(t) && (e = wn[t]),
String.fromCharCode(e)
}
, _n = 15
, Pn = 100
, xn = {
17: 1,
18: 3,
21: 5,
22: 7,
23: 9,
16: 11,
19: 12,
20: 14
}
, Fn = {
17: 2,
18: 4,
21: 6,
22: 8,
23: 10,
19: 13,
20: 15
}
, Mn = {
25: 1,
26: 3,
29: 5,
30: 7,
31: 9,
24: 11,
27: 12,
28: 14
}
, On = {
25: 2,
26: 4,
29: 6,
30: 8,
31: 10,
27: 13,
28: 15
}
, Nn = ["white", "green", "blue", "cyan", "red", "yellow", "magenta", "black", "transparent"]
, Un = function() {
function t() {
this.time = null,
this.verboseLevel = 0
}
return t.prototype.log = function(t, e) {
if (this.verboseLevel >= t) {
var r = "function" == typeof e ? e() : e;
w.log(this.time + " [" + t + "] " + r)
}
}
,
t
}()
, Bn = function(t) {
for (var e = [], r = 0; r < t.length; r++)
e.push(t[r].toString(16));
return e
}
, Gn = function() {
function t(t, e, r, i, n) {
this.foreground = void 0,
this.underline = void 0,
this.italics = void 0,
this.background = void 0,
this.flash = void 0,
this.foreground = t || "white",
this.underline = e || !1,
this.italics = r || !1,
this.background = i || "black",
this.flash = n || !1
}
var e = t.prototype;
return e.reset = function() {
this.foreground = "white",
this.underline = !1,
this.italics = !1,
this.background = "black",
this.flash = !1
}
,
e.setStyles = function(t) {
for (var e = ["foreground", "underline", "italics", "background", "flash"], r = 0; r < e.length; r++) {
var i = e[r];
t.hasOwnProperty(i) && (this[i] = t[i])
}
}
,
e.isDefault = function() {
return "white" === this.foreground && !this.underline && !this.italics && "black" === this.background && !this.flash
}
,
e.equals = function(t) {
return this.foreground === t.foreground && this.underline === t.underline && this.italics === t.italics && this.background === t.background && this.flash === t.flash
}
,
e.copy = function(t) {
this.foreground = t.foreground,
this.underline = t.underline,
this.italics = t.italics,
this.background = t.background,
this.flash = t.flash
}
,
e.toString = function() {
return "color=" + this.foreground + ", underline=" + this.underline + ", italics=" + this.italics + ", background=" + this.background + ", flash=" + this.flash
}
,
t
}()
, Kn = function() {
function t(t, e, r, i, n, a) {
this.uchar = void 0,
this.penState = void 0,
this.uchar = t || " ",
this.penState = new Gn(e,r,i,n,a)
}
var e = t.prototype;
return e.reset = function() {
this.uchar = " ",
this.penState.reset()
}
,
e.setChar = function(t, e) {
this.uchar = t,
this.penState.copy(e)
}
,
e.setPenState = function(t) {
this.penState.copy(t)
}
,
e.equals = function(t) {
return this.uchar === t.uchar && this.penState.equals(t.penState)
}
,
e.copy = function(t) {
this.uchar = t.uchar,
this.penState.copy(t.penState)
}
,
e.isEmpty = function() {
return " " === this.uchar && this.penState.isDefault()
}
,
t
}()
, Hn = function() {
function t(t) {
this.chars = void 0,
this.pos = void 0,
this.currPenState = void 0,
this.cueStartTime = void 0,
this.logger = void 0,
this.chars = [];
for (var e = 0; e < Pn; e++)
this.chars.push(new Kn);
this.logger = t,
this.pos = 0,
this.currPenState = new Gn
}
var e = t.prototype;
return e.equals = function(t) {
for (var e = !0, r = 0; r < Pn; r++)
if (!this.chars[r].equals(t.chars[r])) {
e = !1;
break
}
return e
}
,
e.copy = function(t) {
for (var e = 0; e < Pn; e++)
this.chars[e].copy(t.chars[e])
}
,
e.isEmpty = function() {
for (var t = !0, e = 0; e < Pn; e++)
if (!this.chars[e].isEmpty()) {
t = !1;
break
}
return t
}
,
e.setCursor = function(t) {
this.pos !== t && (this.pos = t),
this.pos < 0 ? (this.logger.log(3, "Negative cursor position " + this.pos),
this.pos = 0) : this.pos > Pn && (this.logger.log(3, "Too large cursor position " + this.pos),
this.pos = Pn)
}
,
e.moveCursor = function(t) {
var e = this.pos + t;
if (t > 1)
for (var r = this.pos + 1; r < e + 1; r++)
this.chars[r].setPenState(this.currPenState);
this.setCursor(e)
}
,
e.backSpace = function() {
this.moveCursor(-1),
this.chars[this.pos].setChar(" ", this.currPenState)
}
,
e.insertChar = function(t) {
var e = this;
t >= 144 && this.backSpace();
var r = Cn(t);
this.pos >= Pn ? this.logger.log(0, (function() {
return "Cannot insert " + t.toString(16) + " (" + r + ") at position " + e.pos + ". Skipping it!"
}
)) : (this.chars[this.pos].setChar(r, this.currPenState),
this.moveCursor(1))
}
,
e.clearFromPos = function(t) {
var e;
for (e = t; e < Pn; e++)
this.chars[e].reset()
}
,
e.clear = function() {
this.clearFromPos(0),
this.pos = 0,
this.currPenState.reset()
}
,
e.clearToEndOfRow = function() {
this.clearFromPos(this.pos)
}
,
e.getTextString = function() {
for (var t = [], e = !0, r = 0; r < Pn; r++) {
var i = this.chars[r].uchar;
" " !== i && (e = !1),
t.push(i)
}
return e ? "" : t.join("")
}
,
e.setPenStyles = function(t) {
this.currPenState.setStyles(t),
this.chars[this.pos].setPenState(this.currPenState)
}
,
t
}()
, Vn = function() {
function t(t) {
this.rows = void 0,
this.currRow = void 0,
this.nrRollUpRows = void 0,
this.lastOutputScreen = void 0,
this.logger = void 0,
this.rows = [];
for (var e = 0; e < _n; e++)
this.rows.push(new Hn(t));
this.logger = t,
this.currRow = 14,
this.nrRollUpRows = null,
this.lastOutputScreen = null,
this.reset()
}
var e = t.prototype;
return e.reset = function() {
for (var t = 0; t < _n; t++)
this.rows[t].clear();
this.currRow = 14
}
,
e.equals = function(t) {
for (var e = !0, r = 0; r < _n; r++)
if (!this.rows[r].equals(t.rows[r])) {
e = !1;
break
}
return e
}
,
e.copy = function(t) {
for (var e = 0; e < _n; e++)
this.rows[e].copy(t.rows[e])
}
,
e.isEmpty = function() {
for (var t = !0, e = 0; e < _n; e++)
if (!this.rows[e].isEmpty()) {
t = !1;
break
}
return t
}
,
e.backSpace = function() {
this.rows[this.currRow].backSpace()
}
,
e.clearToEndOfRow = function() {
this.rows[this.currRow].clearToEndOfRow()
}
,
e.insertChar = function(t) {
this.rows[this.currRow].insertChar(t)
}
,
e.setPen = function(t) {
this.rows[this.currRow].setPenStyles(t)
}
,
e.moveCursor = function(t) {
this.rows[this.currRow].moveCursor(t)
}
,
e.setCursor = function(t) {
this.logger.log(2, "setCursor: " + t),
this.rows[this.currRow].setCursor(t)
}
,
e.setPAC = function(t) {
this.logger.log(2, (function() {
return "pacData = " + JSON.stringify(t)
}
));
var e = t.row - 1;
if (this.nrRollUpRows && e < this.nrRollUpRows - 1 && (e = this.nrRollUpRows - 1),
this.nrRollUpRows && this.currRow !== e) {
for (var r = 0; r < _n; r++)
this.rows[r].clear();
var i = this.currRow + 1 - this.nrRollUpRows
, n = this.lastOutputScreen;
if (n) {
var a = n.rows[i].cueStartTime
, s = this.logger.time;
if (a && null !== s && a < s)
for (var o = 0; o < this.nrRollUpRows; o++)
this.rows[e - this.nrRollUpRows + o + 1].copy(n.rows[i + o])
}
}
this.currRow = e;
var l = this.rows[this.currRow];
if (null !== t.indent) {
var u = t.indent
, h = Math.max(u - 1, 0);
l.setCursor(t.indent),
t.color = l.chars[h].penState.foreground
}
var d = {
foreground: t.color,
underline: t.underline,
italics: t.italics,
background: "black",
flash: !1
};
this.setPen(d)
}
,
e.setBkgData = function(t) {
this.logger.log(2, (function() {
return "bkgData = " + JSON.stringify(t)
}
)),
this.backSpace(),
this.setPen(t),
this.insertChar(32)
}
,
e.setRollUpRows = function(t) {
this.nrRollUpRows = t
}
,
e.rollUp = function() {
var t = this;
if (null !== this.nrRollUpRows) {
this.logger.log(1, (function() {
return t.getDisplayText()
}
));
var e = this.currRow + 1 - this.nrRollUpRows
, r = this.rows.splice(e, 1)[0];
r.clear(),
this.rows.splice(this.currRow, 0, r),
this.logger.log(2, "Rolling up")
} else
this.logger.log(3, "roll_up but nrRollUpRows not set yet")
}
,
e.getDisplayText = function(t) {
t = t || !1;
for (var e = [], r = "", i = -1, n = 0; n < _n; n++) {
var a = this.rows[n].getTextString();
a && (i = n + 1,
t ? e.push("Row " + i + ": '" + a + "'") : e.push(a.trim()))
}
return e.length > 0 && (r = t ? "[" + e.join(" | ") + "]" : e.join("\n")),
r
}
,
e.getTextAndFormat = function() {
return this.rows
}
,
t
}()
, Yn = function() {
function t(t, e, r) {
this.chNr = void 0,
this.outputFilter = void 0,
this.mode = void 0,
this.verbose = void 0,
this.displayedMemory = void 0,
this.nonDisplayedMemory = void 0,
this.lastOutputScreen = void 0,
this.currRollUpRow = void 0,
this.writeScreen = void 0,
this.cueStartTime = void 0,
this.logger = void 0,
this.chNr = t,
this.outputFilter = e,
this.mode = null,
this.verbose = 0,
this.displayedMemory = new Vn(r),
this.nonDisplayedMemory = new Vn(r),
this.lastOutputScreen = new Vn(r),
this.currRollUpRow = this.displayedMemory.rows[14],
this.writeScreen = this.displayedMemory,
this.mode = null,
this.cueStartTime = null,
this.logger = r
}
var e = t.prototype;
return e.reset = function() {
this.mode = null,
this.displayedMemory.reset(),
this.nonDisplayedMemory.reset(),
this.lastOutputScreen.reset(),
this.outputFilter.reset(),
this.currRollUpRow = this.displayedMemory.rows[14],
this.writeScreen = this.displayedMemory,
this.mode = null,
this.cueStartTime = null
}
,
e.getHandler = function() {
return this.outputFilter
}
,
e.setHandler = function(t) {
this.outputFilter = t
}
,
e.setPAC = function(t) {
this.writeScreen.setPAC(t)
}
,
e.setBkgData = function(t) {
this.writeScreen.setBkgData(t)
}
,
e.setMode = function(t) {
t !== this.mode && (this.mode = t,
this.logger.log(2, (function() {
return "MODE=" + t
}
)),
"MODE_POP-ON" === this.mode ? this.writeScreen = this.nonDisplayedMemory : (this.writeScreen = this.displayedMemory,
this.writeScreen.reset()),
"MODE_ROLL-UP" !== this.mode && (this.displayedMemory.nrRollUpRows = null,
this.nonDisplayedMemory.nrRollUpRows = null),
this.mode = t)
}
,
e.insertChars = function(t) {
for (var e = this, r = 0; r < t.length; r++)
this.writeScreen.insertChar(t[r]);
var i = this.writeScreen === this.displayedMemory ? "DISP" : "NON_DISP";
this.logger.log(2, (function() {
return i + ": " + e.writeScreen.getDisplayText(!0)
}
)),
"MODE_PAINT-ON" !== this.mode && "MODE_ROLL-UP" !== this.mode || (this.logger.log(1, (function() {
return "DISPLAYED: " + e.displayedMemory.getDisplayText(!0)
}
)),
this.outputDataUpdate())
}
,
e.ccRCL = function() {
this.logger.log(2, "RCL - Resume Caption Loading"),
this.setMode("MODE_POP-ON")
}
,
e.ccBS = function() {
this.logger.log(2, "BS - BackSpace"),
"MODE_TEXT" !== this.mode && (this.writeScreen.backSpace(),
this.writeScreen === this.displayedMemory && this.outputDataUpdate())
}
,
e.ccAOF = function() {}
,
e.ccAON = function() {}
,
e.ccDER = function() {
this.logger.log(2, "DER- Delete to End of Row"),
this.writeScreen.clearToEndOfRow(),
this.outputDataUpdate()
}
,
e.ccRU = function(t) {
this.logger.log(2, "RU(" + t + ") - Roll Up"),
this.writeScreen = this.displayedMemory,
this.setMode("MODE_ROLL-UP"),
this.writeScreen.setRollUpRows(t)
}
,
e.ccFON = function() {
this.logger.log(2, "FON - Flash On"),
this.writeScreen.setPen({
flash: !0
})
}
,
e.ccRDC = function() {
this.logger.log(2, "RDC - Resume Direct Captioning"),
this.setMode("MODE_PAINT-ON")
}
,
e.ccTR = function() {
this.logger.log(2, "TR"),
this.setMode("MODE_TEXT")
}
,
e.ccRTD = function() {
this.logger.log(2, "RTD"),
this.setMode("MODE_TEXT")
}
,
e.ccEDM = function() {
this.logger.log(2, "EDM - Erase Displayed Memory"),
this.displayedMemory.reset(),
this.outputDataUpdate(!0)
}
,
e.ccCR = function() {
this.logger.log(2, "CR - Carriage Return"),
this.writeScreen.rollUp(),
this.outputDataUpdate(!0)
}
,
e.ccENM = function() {
this.logger.log(2, "ENM - Erase Non-displayed Memory"),
this.nonDisplayedMemory.reset()
}
,
e.ccEOC = function() {
var t = this;
if (this.logger.log(2, "EOC - End Of Caption"),
"MODE_POP-ON" === this.mode) {
var e = this.displayedMemory;
this.displayedMemory = this.nonDisplayedMemory,
this.nonDisplayedMemory = e,
this.writeScreen = this.nonDisplayedMemory,
this.logger.log(1, (function() {
return "DISP: " + t.displayedMemory.getDisplayText()
}
))
}
this.outputDataUpdate(!0)
}
,
e.ccTO = function(t) {
this.logger.log(2, "TO(" + t + ") - Tab Offset"),
this.writeScreen.moveCursor(t)
}
,
e.ccMIDROW = function(t) {
var e = {
flash: !1
};
if (e.underline = t % 2 == 1,
e.italics = t >= 46,
e.italics)
e.foreground = "white";
else {
var r = Math.floor(t / 2) - 16;
e.foreground = ["white", "green", "blue", "cyan", "red", "yellow", "magenta"][r]
}
this.logger.log(2, "MIDROW: " + JSON.stringify(e)),
this.writeScreen.setPen(e)
}
,
e.outputDataUpdate = function(t) {
void 0 === t && (t = !1);
var e = this.logger.time;
null !== e && this.outputFilter && (null !== this.cueStartTime || this.displayedMemory.isEmpty() ? this.displayedMemory.equals(this.lastOutputScreen) || (this.outputFilter.newCue(this.cueStartTime, e, this.lastOutputScreen),
t && this.outputFilter.dispatchCue && this.outputFilter.dispatchCue(),
this.cueStartTime = this.displayedMemory.isEmpty() ? null : e) : this.cueStartTime = e,
this.lastOutputScreen.copy(this.displayedMemory))
}
,
e.cueSplitAtTime = function(t) {
this.outputFilter && (this.displayedMemory.isEmpty() || (this.outputFilter.newCue && this.outputFilter.newCue(this.cueStartTime, t, this.displayedMemory),
this.cueStartTime = t))
}
,
t
}()
, Wn = function() {
function t(t, e, r) {
this.channels = void 0,
this.currentChannel = 0,
this.cmdHistory = void 0,
this.logger = void 0;
var i = new Un;
this.channels = [null, new Yn(t,e,i), new Yn(t + 1,r,i)],
this.cmdHistory = {
a: null,
b: null
},
this.logger = i
}
var e = t.prototype;
return e.getHandler = function(t) {
return this.channels[t].getHandler()
}
,
e.setHandler = function(t, e) {
this.channels[t].setHandler(e)
}
,
e.addData = function(t, e) {
var r, i, n, a = !1;
this.logger.time = t;
for (var s = 0; s < e.length; s += 2)
if (i = 127 & e[s],
n = 127 & e[s + 1],
0 !== i || 0 !== n) {
if (this.logger.log(3, "[" + Bn([e[s], e[s + 1]]) + "] -> (" + Bn([i, n]) + ")"),
(r = this.parseCmd(i, n)) || (r = this.parseMidrow(i, n)),
r || (r = this.parsePAC(i, n)),
r || (r = this.parseBackgroundAttributes(i, n)),
!r && (a = this.parseChars(i, n))) {
var o = this.currentChannel;
o && o > 0 ? this.channels[o].insertChars(a) : this.logger.log(2, "No channel found yet. TEXT-MODE?")
}
r || a || this.logger.log(2, "Couldn't parse cleaned data " + Bn([i, n]) + " orig: " + Bn([e[s], e[s + 1]]))
}
}
,
e.parseCmd = function(t, e) {
var r = this.cmdHistory;
if (!((20 === t || 28 === t || 21 === t || 29 === t) && e >= 32 && e <= 47 || (23 === t || 31 === t) && e >= 33 && e <= 35))
return !1;
if (qn(t, e, r))
return jn(null, null, r),
this.logger.log(3, "Repeated command (" + Bn([t, e]) + ") is dropped"),
!0;
var i = 20 === t || 21 === t || 23 === t ? 1 : 2
, n = this.channels[i];
return 20 === t || 21 === t || 28 === t || 29 === t ? 32 === e ? n.ccRCL() : 33 === e ? n.ccBS() : 34 === e ? n.ccAOF() : 35 === e ? n.ccAON() : 36 === e ? n.ccDER() : 37 === e ? n.ccRU(2) : 38 === e ? n.ccRU(3) : 39 === e ? n.ccRU(4) : 40 === e ? n.ccFON() : 41 === e ? n.ccRDC() : 42 === e ? n.ccTR() : 43 === e ? n.ccRTD() : 44 === e ? n.ccEDM() : 45 === e ? n.ccCR() : 46 === e ? n.ccENM() : 47 === e && n.ccEOC() : n.ccTO(e - 32),
jn(t, e, r),
this.currentChannel = i,
!0
}
,
e.parseMidrow = function(t, e) {
var r = 0;
if ((17 === t || 25 === t) && e >= 32 && e <= 47) {
if ((r = 17 === t ? 1 : 2) !== this.currentChannel)
return this.logger.log(0, "Mismatch channel in midrow parsing"),
!1;
var i = this.channels[r];
return !!i && (i.ccMIDROW(e),
this.logger.log(3, "MIDROW (" + Bn([t, e]) + ")"),
!0)
}
return !1
}
,
e.parsePAC = function(t, e) {
var r, i = this.cmdHistory;
if (!((t >= 17 && t <= 23 || t >= 25 && t <= 31) && e >= 64 && e <= 127 || (16 === t || 24 === t) && e >= 64 && e <= 95))
return !1;
if (qn(t, e, i))
return jn(null, null, i),
!0;
var n = t <= 23 ? 1 : 2;
r = e >= 64 && e <= 95 ? 1 === n ? xn[t] : Mn[t] : 1 === n ? Fn[t] : On[t];
var a = this.channels[n];
return !!a && (a.setPAC(this.interpretPAC(r, e)),
jn(t, e, i),
this.currentChannel = n,
!0)
}
,
e.interpretPAC = function(t, e) {
var r, i = {
color: null,
italics: !1,
indent: null,
underline: !1,
row: t
};
return r = e > 95 ? e - 96 : e - 64,
i.underline = 1 == (1 & r),
r <= 13 ? i.color = ["white", "green", "blue", "cyan", "red", "yellow", "magenta", "white"][Math.floor(r / 2)] : r <= 15 ? (i.italics = !0,
i.color = "white") : i.indent = 4 * Math.floor((r - 16) / 2),
i
}
,
e.parseChars = function(t, e) {
var r, i, n = null, a = null;
if (t >= 25 ? (r = 2,
a = t - 8) : (r = 1,
a = t),
a >= 17 && a <= 19 ? (i = 17 === a ? e + 80 : 18 === a ? e + 112 : e + 144,
this.logger.log(2, "Special char '" + Cn(i) + "' in channel " + r),
n = [i]) : t >= 32 && t <= 127 && (n = 0 === e ? [t] : [t, e]),
n) {
var s = Bn(n);
this.logger.log(3, "Char codes = " + s.join(",")),
jn(t, e, this.cmdHistory)
}
return n
}
,
e.parseBackgroundAttributes = function(t, e) {
var r;
if (!((16 === t || 24 === t) && e >= 32 && e <= 47 || (23 === t || 31 === t) && e >= 45 && e <= 47))
return !1;
var i = {};
16 === t || 24 === t ? (r = Math.floor((e - 32) / 2),
i.background = Nn[r],
e % 2 == 1 && (i.background = i.background + "_semi")) : 45 === e ? i.background = "transparent" : (i.foreground = "black",
47 === e && (i.underline = !0));
var n = t <= 23 ? 1 : 2;
return this.channels[n].setBkgData(i),
jn(t, e, this.cmdHistory),
!0
}
,
e.reset = function() {
for (var t = 0; t < Object.keys(this.channels).length; t++) {
var e = this.channels[t];
e && e.reset()
}
this.cmdHistory = {
a: null,
b: null
}
}
,
e.cueSplitAtTime = function(t) {
for (var e = 0; e < this.channels.length; e++) {
var r = this.channels[e];
r && r.cueSplitAtTime(t)
}
}
,
t
}();
function jn(t, e, r) {
r.a = t,
r.b = e
}
function qn(t, e, r) {
return r.a === t && r.b === e
}
var Xn = function() {
function t(t, e) {
this.timelineController = void 0,
this.cueRanges = [],
this.trackName = void 0,
this.startTime = null,
this.endTime = null,
this.screen = null,
this.timelineController = t,
this.trackName = e
}
var e = t.prototype;
return e.dispatchCue = function() {
null !== this.startTime && (this.timelineController.addCues(this.trackName, this.startTime, this.endTime, this.screen, this.cueRanges),
this.startTime = null)
}
,
e.newCue = function(t, e, r) {
(null === this.startTime || this.startTime > t) && (this.startTime = t),
this.endTime = e,
this.screen = r,
this.timelineController.createCaptionsTrack(this.trackName)
}
,
e.reset = function() {
this.cueRanges = [],
this.startTime = null
}
,
t
}()
, zn = function() {
if ("undefined" != typeof self && self.VTTCue)
return self.VTTCue;
var t = ["", "lr", "rl"]
, e = ["start", "middle", "end", "left", "right"];
function r(t, e) {
if ("string" != typeof e)
return !1;
if (!Array.isArray(t))
return !1;
var r = e.toLowerCase();
return !!~t.indexOf(r) && r
}
function i(t) {
return r(e, t)
}
function n(t) {
for (var e = arguments.length, r = new Array(e > 1 ? e - 1 : 0), i = 1; i < e; i++)
r[i - 1] = arguments[i];
for (var n = 1; n < arguments.length; n++) {
var a = arguments[n];
for (var s in a)
t[s] = a[s]
}
return t
}
function a(e, a, s) {
var o = this
, l = {
enumerable: !0
};
o.hasBeenReset = !1;
var u = ""
, h = !1
, d = e
, c = a
, f = s
, g = null
, v = ""
, m = !0
, p = "auto"
, y = "start"
, T = 50
, E = "middle"
, S = 50
, L = "middle";
Object.defineProperty(o, "id", n({}, l, {
get: function() {
return u
},
set: function(t) {
u = "" + t
}
})),
Object.defineProperty(o, "pauseOnExit", n({}, l, {
get: function() {
return h
},
set: function(t) {
h = !!t
}
})),
Object.defineProperty(o, "startTime", n({}, l, {
get: function() {
return d
},
set: function(t) {
if ("number" != typeof t)
throw new TypeError("Start time must be set to a number.");
d = t,
this.hasBeenReset = !0
}
})),
Object.defineProperty(o, "endTime", n({}, l, {
get: function() {
return c
},
set: function(t) {
if ("number" != typeof t)
throw new TypeError("End time must be set to a number.");
c = t,
this.hasBeenReset = !0
}
})),
Object.defineProperty(o, "text", n({}, l, {
get: function() {
return f
},
set: function(t) {
f = "" + t,
this.hasBeenReset = !0
}
})),
Object.defineProperty(o, "region", n({}, l, {
get: function() {
return g
},
set: function(t) {
g = t,
this.hasBeenReset = !0
}
})),
Object.defineProperty(o, "vertical", n({}, l, {
get: function() {
return v
},
set: function(e) {
var i = function(e) {
return r(t, e)
}(e);
if (!1 === i)
throw new SyntaxError("An invalid or illegal string was specified.");
v = i,
this.hasBeenReset = !0
}
})),
Object.defineProperty(o, "snapToLines", n({}, l, {
get: function() {
return m
},
set: function(t) {
m = !!t,
this.hasBeenReset = !0
}
})),
Object.defineProperty(o, "line", n({}, l, {
get: function() {
return p
},
set: function(t) {
if ("number" != typeof t && "auto" !== t)
throw new SyntaxError("An invalid number or illegal string was specified.");
p = t,
this.hasBeenReset = !0
}
})),
Object.defineProperty(o, "lineAlign", n({}, l, {
get: function() {
return y
},
set: function(t) {
var e = i(t);
if (!e)
throw new SyntaxError("An invalid or illegal string was specified.");
y = e,
this.hasBeenReset = !0
}
})),
Object.defineProperty(o, "position", n({}, l, {
get: function() {
return T
},
set: function(t) {
if (t < 0 || t > 100)
throw new Error("Position must be between 0 and 100.");
T = t,
this.hasBeenReset = !0
}
})),
Object.defineProperty(o, "positionAlign", n({}, l, {
get: function() {
return E
},
set: function(t) {
var e = i(t);
if (!e)
throw new SyntaxError("An invalid or illegal string was specified.");
E = e,
this.hasBeenReset = !0
}
})),
Object.defineProperty(o, "size", n({}, l, {
get: function() {
return S
},
set: function(t) {
if (t < 0 || t > 100)
throw new Error("Size must be between 0 and 100.");
S = t,
this.hasBeenReset = !0
}
})),
Object.defineProperty(o, "align", n({}, l, {
get: function() {
return L
},
set: function(t) {
var e = i(t);
if (!e)
throw new SyntaxError("An invalid or illegal string was specified.");
L = e,
this.hasBeenReset = !0
}
})),
o.displayState = void 0
}
return a.prototype.getCueAsHTML = function() {
return self.WebVTT.convertCueToDOMTree(self, this.text)
}
,
a
}()
, Qn = function() {
function t() {}
return t.prototype.decode = function(t, e) {
if (!t)
return "";
if ("string" != typeof t)
throw new Error("Error - expected string data.");
return decodeURIComponent(encodeURIComponent(t))
}
,
t
}();
function $n(t) {
function e(t, e, r, i) {
return 3600 * (0 | t) + 60 * (0 | e) + (0 | r) + parseFloat(i || 0)
}
var r = t.match(/^(?:(\d+):)?(\d{2}):(\d{2})(\.\d+)?/);
return r ? parseFloat(r[2]) > 59 ? e(r[2], r[3], 0, r[4]) : e(r[1], r[2], r[3], r[4]) : null
}
var Jn = function() {
function t() {
this.values = Object.create(null)
}
var e = t.prototype;
return e.set = function(t, e) {
this.get(t) || "" === e || (this.values[t] = e)
}
,
e.get = function(t, e, r) {
return r ? this.has(t) ? this.values[t] : e[r] : this.has(t) ? this.values[t] : e
}
,
e.has = function(t) {
return t in this.values
}
,
e.alt = function(t, e, r) {
for (var i = 0; i < r.length; ++i)
if (e === r[i]) {
this.set(t, e);
break
}
}
,
e.integer = function(t, e) {
/^-?\d+$/.test(e) && this.set(t, parseInt(e, 10))
}
,
e.percent = function(t, e) {
if (/^([\d]{1,3})(\.[\d]*)?%$/.test(e)) {
var r = parseFloat(e);
if (r >= 0 && r <= 100)
return this.set(t, r),
!0
}
return !1
}
,
t
}();
function Zn(t, e, r, i) {
var n = i ? t.split(i) : [t];
for (var a in n)
if ("string" == typeof n[a]) {
var s = n[a].split(r);
2 === s.length && e(s[0], s[1])
}
}
var ta = new zn(0,0,"")
, ea = "middle" === ta.align ? "middle" : "center";
function ra(t, e, r) {
var i = t;
function n() {
var e = $n(t);
if (null === e)
throw new Error("Malformed timestamp: " + i);
return t = t.replace(/^[^\sa-zA-Z-]+/, ""),
e
}
function a() {
t = t.replace(/^\s+/, "")
}
if (a(),
e.startTime = n(),
a(),
"--\x3e" !== t.slice(0, 3))
throw new Error("Malformed time stamp (time stamps must be separated by '--\x3e'): " + i);
t = t.slice(3),
a(),
e.endTime = n(),
a(),
function(t, e) {
var i = new Jn;
Zn(t, (function(t, e) {
var n;
switch (t) {
case "region":
for (var a = r.length - 1; a >= 0; a--)
if (r[a].id === e) {
i.set(t, r[a].region);
break
}
break;
case "vertical":
i.alt(t, e, ["rl", "lr"]);
break;
case "line":
n = e.split(","),
i.integer(t, n[0]),
i.percent(t, n[0]) && i.set("snapToLines", !1),
i.alt(t, n[0], ["auto"]),
2 === n.length && i.alt("lineAlign", n[1], ["start", ea, "end"]);
break;
case "position":
n = e.split(","),
i.percent(t, n[0]),
2 === n.length && i.alt("positionAlign", n[1], ["start", ea, "end", "line-left", "line-right", "auto"]);
break;
case "size":
i.percent(t, e);
break;
case "align":
i.alt(t, e, ["start", ea, "end", "left", "right"])
}
}
), /:/, /\s/),
e.region = i.get("region", null),
e.vertical = i.get("vertical", "");
var n = i.get("line", "auto");
"auto" === n && -1 === ta.line && (n = -1),
e.line = n,
e.lineAlign = i.get("lineAlign", "start"),
e.snapToLines = i.get("snapToLines", !0),
e.size = i.get("size", 100),
e.align = i.get("align", ea);
var a = i.get("position", "auto");
"auto" === a && 50 === ta.position && (a = "start" === e.align || "left" === e.align ? 0 : "end" === e.align || "right" === e.align ? 100 : 50),
e.position = a
}(t, e)
}
function ia(t) {
return t.replace(//gi, "\n")
}
var na = function() {
function t() {
this.state = "INITIAL",
this.buffer = "",
this.decoder = new Qn,
this.regionList = [],
this.cue = null,
this.oncue = void 0,
this.onparsingerror = void 0,
this.onflush = void 0
}
var e = t.prototype;
return e.parse = function(t) {
var e = this;
function r() {
var t = e.buffer
, r = 0;
for (t = ia(t); r < t.length && "\r" !== t[r] && "\n" !== t[r]; )
++r;
var i = t.slice(0, r);
return "\r" === t[r] && ++r,
"\n" === t[r] && ++r,
e.buffer = t.slice(r),
i
}
t && (e.buffer += e.decoder.decode(t, {
stream: !0
}));
try {
var i = "";
if ("INITIAL" === e.state) {
if (!/\r\n|\n/.test(e.buffer))
return this;
var n = (i = r()).match(/^()?WEBVTT([ \t].*)?$/);
if (null == n || !n[0])
throw new Error("Malformed WebVTT signature.");
e.state = "HEADER"
}
for (var a = !1; e.buffer; ) {
if (!/\r\n|\n/.test(e.buffer))
return this;
switch (a ? a = !1 : i = r(),
e.state) {
case "HEADER":
/:/.test(i) ? Zn(i, (function(t, e) {}
), /:/) : i || (e.state = "ID");
continue;
case "NOTE":
i || (e.state = "ID");
continue;
case "ID":
if (/^NOTE($|[ \t])/.test(i)) {
e.state = "NOTE";
break
}
if (!i)
continue;
if (e.cue = new zn(0,0,""),
e.state = "CUE",
-1 === i.indexOf("--\x3e")) {
e.cue.id = i;
continue
}
case "CUE":
if (!e.cue) {
e.state = "BADCUE";
continue
}
try {
ra(i, e.cue, e.regionList)
} catch (t) {
e.cue = null,
e.state = "BADCUE";
continue
}
e.state = "CUETEXT";
continue;
case "CUETEXT":
var s = -1 !== i.indexOf("--\x3e");
if (!i || s && (a = !0)) {
e.oncue && e.cue && e.oncue(e.cue),
e.cue = null,
e.state = "ID";
continue
}
if (null === e.cue)
continue;
e.cue.text && (e.cue.text += "\n"),
e.cue.text += i;
continue;
case "BADCUE":
i || (e.state = "ID")
}
}
} catch (t) {
"CUETEXT" === e.state && e.cue && e.oncue && e.oncue(e.cue),
e.cue = null,
e.state = "INITIAL" === e.state ? "BADWEBVTT" : "BADCUE"
}
return this
}
,
e.flush = function() {
var t = this;
try {
if ((t.cue || "HEADER" === t.state) && (t.buffer += "\n\n",
t.parse()),
"INITIAL" === t.state || "BADWEBVTT" === t.state)
throw new Error("Malformed WebVTT signature.")
} catch (e) {
t.onparsingerror && t.onparsingerror(e)
}
return t.onflush && t.onflush(),
this
}
,
t
}()
, aa = /\r\n|\n\r|\n|\r/g
, sa = function(t, e, r) {
return void 0 === r && (r = 0),
t.slice(r, r + e.length) === e
}
, oa = function(t) {
for (var e = 5381, r = t.length; r; )
e = 33 * e ^ t.charCodeAt(--r);
return (e >>> 0).toString()
};
function la(t, e, r) {
return oa(t.toString()) + oa(e.toString()) + oa(r)
}
function ua(t, e, r, i, n, a, s) {
var o, l, u, h = new na, d = pt(new Uint8Array(t)).trim().replace(aa, "\n").split("\n"), c = [], f = e ? (o = e.baseTime,
void 0 === (l = e.timescale) && (l = 1),
Ui(o, 9e4, 1 / l)) : 0, g = "00:00.000", v = 0, m = 0, p = !0;
h.oncue = function(t) {
var a = r[i]
, s = r.ccOffset
, o = (v - f) / 9e4;
if (null != a && a.new && (void 0 !== m ? s = r.ccOffset = a.start : function(t, e, r) {
var i = t[e]
, n = t[i.prevCC];
if (!n || !n.new && i.new)
return t.ccOffset = t.presentationOffset = i.start,
void (i.new = !1);
for (; null != (a = n) && a.new; ) {
var a;
t.ccOffset += i.start - n.start,
i.new = !1,
n = t[(i = n).prevCC]
}
t.presentationOffset = r
}(r, i, o)),
o) {
if (!e)
return void (u = new Error("Missing initPTS for VTT MPEGTS"));
s = o - r.presentationOffset
}
var l = t.endTime - t.startTime
, h = Vi(9e4 * (t.startTime + s - m), 9e4 * n) / 9e4;
t.startTime = Math.max(h, 0),
t.endTime = Math.max(h + l, 0);
var d = t.text.trim();
t.text = decodeURIComponent(encodeURIComponent(d)),
t.id || (t.id = la(t.startTime, t.endTime, d)),
t.endTime > 0 && c.push(t)
}
,
h.onparsingerror = function(t) {
u = t
}
,
h.onflush = function() {
u ? s(u) : a(c)
}
,
d.forEach((function(t) {
if (p) {
if (sa(t, "X-TIMESTAMP-MAP=")) {
p = !1,
t.slice(16).split(",").forEach((function(t) {
sa(t, "LOCAL:") ? g = t.slice(6) : sa(t, "MPEGTS:") && (v = parseInt(t.slice(7)))
}
));
try {
m = function(t) {
var e = parseInt(t.slice(-3))
, r = parseInt(t.slice(-6, -4))
, i = parseInt(t.slice(-9, -7))
, n = t.length > 9 ? parseInt(t.substring(0, t.indexOf(":"))) : 0;
if (!(E(e) && E(r) && E(i) && E(n)))
throw Error("Malformed X-TIMESTAMP-MAP: Local:" + t);
return e += 1e3 * r,
(e += 6e4 * i) + 36e5 * n
}(g) / 1e3
} catch (t) {
u = t
}
return
}
"" === t && (p = !1)
}
h.parse(t + "\n")
}
)),
h.flush()
}
var ha = "stpp.ttml.im1t"
, da = /^(\d{2,}):(\d{2}):(\d{2}):(\d{2})\.?(\d+)?$/
, ca = /^(\d*(?:\.\d*)?)(h|m|s|ms|f|t)$/
, fa = {
left: "start",
center: "center",
right: "end",
start: "start",
end: "end"
};
function ga(t, e, r, i) {
var n = It(new Uint8Array(t), ["mdat"]);
if (0 !== n.length) {
var a, s, l, u, h = n.map((function(t) {
return pt(t)
}
)), d = (a = e.baseTime,
s = 1,
void 0 === (l = e.timescale) && (l = 1),
void 0 === u && (u = !1),
Ui(a, s, 1 / l, u));
try {
h.forEach((function(t) {
return r(function(t, e) {
var r = (new DOMParser).parseFromString(t, "text/xml").getElementsByTagName("tt")[0];
if (!r)
throw new Error("Invalid ttml");
var i = {
frameRate: 30,
subFrameRate: 1,
frameRateMultiplier: 0,
tickRate: 0
}
, n = Object.keys(i).reduce((function(t, e) {
return t[e] = r.getAttribute("ttp:" + e) || i[e],
t
}
), {})
, a = "preserve" !== r.getAttribute("xml:space")
, s = ma(va(r, "styling", "style"))
, l = ma(va(r, "layout", "region"))
, u = va(r, "body", "[begin]");
return [].map.call(u, (function(t) {
var r = pa(t, a);
if (!r || !t.hasAttribute("begin"))
return null;
var i = Ea(t.getAttribute("begin"), n)
, u = Ea(t.getAttribute("dur"), n)
, h = Ea(t.getAttribute("end"), n);
if (null === i)
throw Ta(t);
if (null === h) {
if (null === u)
throw Ta(t);
h = i + u
}
var d = new zn(i - e,h - e,r);
d.id = la(d.startTime, d.endTime, d.text);
var c = function(t, e, r) {
var i = "http://www.w3.org/ns/ttml#styling"
, n = null
, a = ["displayAlign", "textAlign", "color", "backgroundColor", "fontSize", "fontFamily"]
, s = null != t && t.hasAttribute("style") ? t.getAttribute("style") : null;
return s && r.hasOwnProperty(s) && (n = r[s]),
a.reduce((function(r, a) {
var s = ya(e, i, a) || ya(t, i, a) || ya(n, i, a);
return s && (r[a] = s),
r
}
), {})
}(l[t.getAttribute("region")], s[t.getAttribute("style")], s)
, f = c.textAlign;
if (f) {
var g = fa[f];
g && (d.lineAlign = g),
d.align = f
}
return o(d, c),
d
}
)).filter((function(t) {
return null !== t
}
))
}(t, d))
}
))
} catch (t) {
i(t)
}
} else
i(new Error("Could not parse IMSC1 mdat"))
}
function va(t, e, r) {
var i = t.getElementsByTagName(e)[0];
return i ? [].slice.call(i.querySelectorAll(r)) : []
}
function ma(t) {
return t.reduce((function(t, e) {
var r = e.getAttribute("xml:id");
return r && (t[r] = e),
t
}
), {})
}
function pa(t, e) {
return [].slice.call(t.childNodes).reduce((function(t, r, i) {
var n;
return "br" === r.nodeName && i ? t + "\n" : null != (n = r.childNodes) && n.length ? pa(r, e) : e ? t + r.textContent.trim().replace(/\s+/g, " ") : t + r.textContent
}
), "")
}
function ya(t, e, r) {
return t && t.hasAttributeNS(e, r) ? t.getAttributeNS(e, r) : null
}
function Ta(t) {
return new Error("Could not parse ttml timestamp " + t)
}
function Ea(t, e) {
if (!t)
return null;
var r = $n(t);
return null === r && (da.test(t) ? r = function(t, e) {
var r = da.exec(t)
, i = (0 | r[4]) + (0 | r[5]) / e.subFrameRate;
return 3600 * (0 | r[1]) + 60 * (0 | r[2]) + (0 | r[3]) + i / e.frameRate
}(t, e) : ca.test(t) && (r = function(t, e) {
var r = ca.exec(t)
, i = Number(r[1]);
switch (r[2]) {
case "h":
return 3600 * i;
case "m":
return 60 * i;
case "ms":
return 1e3 * i;
case "f":
return i / e.frameRate;
case "t":
return i / e.tickRate
}
return i
}(t, e))),
r
}
var Sa = function() {
function t(t) {
if (this.hls = void 0,
this.media = null,
this.config = void 0,
this.enabled = !0,
this.Cues = void 0,
this.textTracks = [],
this.tracks = [],
this.initPTS = [],
this.unparsedVttFrags = [],
this.captionsTracks = {},
this.nonNativeCaptionsTracks = {},
this.cea608Parser1 = void 0,
this.cea608Parser2 = void 0,
this.lastSn = -1,
this.lastPartIndex = -1,
this.prevCC = -1,
this.vttCCs = {
ccOffset: 0,
presentationOffset: 0,
0: {
start: 0,
prevCC: -1,
new: !0
}
},
this.captionsProperties = void 0,
this.hls = t,
this.config = t.config,
this.Cues = t.config.cueHandler,
this.captionsProperties = {
textTrack1: {
label: this.config.captionsTextTrack1Label,
languageCode: this.config.captionsTextTrack1LanguageCode
},
textTrack2: {
label: this.config.captionsTextTrack2Label,
languageCode: this.config.captionsTextTrack2LanguageCode
},
textTrack3: {
label: this.config.captionsTextTrack3Label,
languageCode: this.config.captionsTextTrack3LanguageCode
},
textTrack4: {
label: this.config.captionsTextTrack4Label,
languageCode: this.config.captionsTextTrack4LanguageCode
}
},
this.config.enableCEA708Captions) {
var e = new Xn(this,"textTrack1")
, r = new Xn(this,"textTrack2")
, i = new Xn(this,"textTrack3")
, n = new Xn(this,"textTrack4");
this.cea608Parser1 = new Wn(1,e,r),
this.cea608Parser2 = new Wn(3,i,n)
}
t.on(S.MEDIA_ATTACHING, this.onMediaAttaching, this),
t.on(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.MANIFEST_LOADED, this.onManifestLoaded, this),
t.on(S.SUBTITLE_TRACKS_UPDATED, this.onSubtitleTracksUpdated, this),
t.on(S.FRAG_LOADING, this.onFragLoading, this),
t.on(S.FRAG_LOADED, this.onFragLoaded, this),
t.on(S.FRAG_PARSING_USERDATA, this.onFragParsingUserdata, this),
t.on(S.FRAG_DECRYPTED, this.onFragDecrypted, this),
t.on(S.INIT_PTS_FOUND, this.onInitPtsFound, this),
t.on(S.SUBTITLE_TRACKS_CLEARED, this.onSubtitleTracksCleared, this),
t.on(S.BUFFER_FLUSHING, this.onBufferFlushing, this)
}
var e = t.prototype;
return e.destroy = function() {
var t = this.hls;
t.off(S.MEDIA_ATTACHING, this.onMediaAttaching, this),
t.off(S.MEDIA_DETACHING, this.onMediaDetaching, this),
t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.MANIFEST_LOADED, this.onManifestLoaded, this),
t.off(S.SUBTITLE_TRACKS_UPDATED, this.onSubtitleTracksUpdated, this),
t.off(S.FRAG_LOADING, this.onFragLoading, this),
t.off(S.FRAG_LOADED, this.onFragLoaded, this),
t.off(S.FRAG_PARSING_USERDATA, this.onFragParsingUserdata, this),
t.off(S.FRAG_DECRYPTED, this.onFragDecrypted, this),
t.off(S.INIT_PTS_FOUND, this.onInitPtsFound, this),
t.off(S.SUBTITLE_TRACKS_CLEARED, this.onSubtitleTracksCleared, this),
t.off(S.BUFFER_FLUSHING, this.onBufferFlushing, this),
this.hls = this.config = this.cea608Parser1 = this.cea608Parser2 = null
}
,
e.addCues = function(t, e, r, i, n) {
for (var a, s, o, l, u = !1, h = n.length; h--; ) {
var d = n[h]
, c = (a = d[0],
s = d[1],
o = e,
l = r,
Math.min(s, l) - Math.max(a, o));
if (c >= 0 && (d[0] = Math.min(d[0], e),
d[1] = Math.max(d[1], r),
u = !0,
c / (r - e) > .5))
return
}
if (u || n.push([e, r]),
this.config.renderTextTracksNatively) {
var f = this.captionsTracks[t];
this.Cues.newCue(f, e, r, i)
} else {
var g = this.Cues.newCue(null, e, r, i);
this.hls.trigger(S.CUES_PARSED, {
type: "captions",
cues: g,
track: t
})
}
}
,
e.onInitPtsFound = function(t, e) {
var r = this
, i = e.frag
, n = e.id
, a = e.initPTS
, s = e.timescale
, o = this.unparsedVttFrags;
"main" === n && (this.initPTS[i.cc] = {
baseTime: a,
timescale: s
}),
o.length && (this.unparsedVttFrags = [],
o.forEach((function(t) {
r.onFragLoaded(S.FRAG_LOADED, t)
}
)))
}
,
e.getExistingTrack = function(t) {
var e = this.media;
if (e)
for (var r = 0; r < e.textTracks.length; r++) {
var i = e.textTracks[r];
if (i[t])
return i
}
return null
}
,
e.createCaptionsTrack = function(t) {
this.config.renderTextTracksNatively ? this.createNativeTrack(t) : this.createNonNativeTrack(t)
}
,
e.createNativeTrack = function(t) {
if (!this.captionsTracks[t]) {
var e = this.captionsProperties
, r = this.captionsTracks
, i = this.media
, n = e[t]
, a = n.label
, s = n.languageCode
, o = this.getExistingTrack(t);
if (o)
r[t] = o,
Le(r[t]),
Ee(r[t], i);
else {
var l = this.createTextTrack("captions", a, s);
l && (l[t] = !0,
r[t] = l)
}
}
}
,
e.createNonNativeTrack = function(t) {
if (!this.nonNativeCaptionsTracks[t]) {
var e = this.captionsProperties[t];
if (e) {
var r = {
_id: t,
label: e.label,
kind: "captions",
default: !!e.media && !!e.media.default,
closedCaptions: e.media
};
this.nonNativeCaptionsTracks[t] = r,
this.hls.trigger(S.NON_NATIVE_TEXT_TRACKS_FOUND, {
tracks: [r]
})
}
}
}
,
e.createTextTrack = function(t, e, r) {
var i = this.media;
if (i)
return i.addTextTrack(t, e, r)
}
,
e.onMediaAttaching = function(t, e) {
this.media = e.media,
this._cleanTracks()
}
,
e.onMediaDetaching = function() {
var t = this.captionsTracks;
Object.keys(t).forEach((function(e) {
Le(t[e]),
delete t[e]
}
)),
this.nonNativeCaptionsTracks = {}
}
,
e.onManifestLoading = function() {
this.lastSn = -1,
this.lastPartIndex = -1,
this.prevCC = -1,
this.vttCCs = {
ccOffset: 0,
presentationOffset: 0,
0: {
start: 0,
prevCC: -1,
new: !0
}
},
this._cleanTracks(),
this.tracks = [],
this.captionsTracks = {},
this.nonNativeCaptionsTracks = {},
this.textTracks = [],
this.unparsedVttFrags = [],
this.initPTS = [],
this.cea608Parser1 && this.cea608Parser2 && (this.cea608Parser1.reset(),
this.cea608Parser2.reset())
}
,
e._cleanTracks = function() {
var t = this.media;
if (t) {
var e = t.textTracks;
if (e)
for (var r = 0; r < e.length; r++)
Le(e[r])
}
}
,
e.onSubtitleTracksUpdated = function(t, e) {
var r = this
, i = e.subtitleTracks || []
, n = i.some((function(t) {
return t.textCodec === ha
}
));
if (this.config.enableWebVTT || n && this.config.enableIMSC1) {
if (Tn(this.tracks, i))
return void (this.tracks = i);
if (this.textTracks = [],
this.tracks = i,
this.config.renderTextTracksNatively) {
var a = this.media ? this.media.textTracks : null;
this.tracks.forEach((function(t, e) {
var i;
if (a && e < a.length) {
for (var n = null, s = 0; s < a.length; s++)
if (La(a[s], t)) {
n = a[s];
break
}
n && (i = n)
}
if (i)
Le(i);
else {
var o = r._captionsOrSubtitlesFromCharacteristics(t);
(i = r.createTextTrack(o, t.name, t.lang)) && (i.mode = "disabled")
}
i && (i.groupId = t.groupId,
r.textTracks.push(i))
}
))
} else if (this.tracks.length) {
var s = this.tracks.map((function(t) {
return {
label: t.name,
kind: t.type.toLowerCase(),
default: t.default,
subtitleTrack: t
}
}
));
this.hls.trigger(S.NON_NATIVE_TEXT_TRACKS_FOUND, {
tracks: s
})
}
}
}
,
e._captionsOrSubtitlesFromCharacteristics = function(t) {
if (t.attrs.CHARACTERISTICS) {
var e = /transcribes-spoken-dialog/gi.test(t.attrs.CHARACTERISTICS)
, r = /describes-music-and-sound/gi.test(t.attrs.CHARACTERISTICS);
if (e && r)
return "captions"
}
return "subtitles"
}
,
e.onManifestLoaded = function(t, e) {
var r = this;
this.config.enableCEA708Captions && e.captions && e.captions.forEach((function(t) {
var e = /(?:CC|SERVICE)([1-4])/.exec(t.instreamId);
if (e) {
var i = "textTrack" + e[1]
, n = r.captionsProperties[i];
n && (n.label = t.name,
t.lang && (n.languageCode = t.lang),
n.media = t)
}
}
))
}
,
e.closedCaptionsForLevel = function(t) {
var e = this.hls.levels[t.level];
return null == e ? void 0 : e.attrs["CLOSED-CAPTIONS"]
}
,
e.onFragLoading = function(t, e) {
var r = this.cea608Parser1
, i = this.cea608Parser2
, n = this.lastSn
, a = this.lastPartIndex;
if (this.enabled && r && i && e.frag.type === ge) {
var s, o, l = e.frag.sn, u = null != (s = null == e || null == (o = e.part) ? void 0 : o.index) ? s : -1;
l === n + 1 || l === n && u === a + 1 || (r.reset(),
i.reset()),
this.lastSn = l,
this.lastPartIndex = u
}
}
,
e.onFragLoaded = function(t, e) {
var r = e.frag
, i = e.payload;
if (r.type === me)
if (i.byteLength) {
var n = r.decryptdata
, a = "stats"in e;
if (null == n || !n.encrypted || a) {
var s = this.tracks[r.level]
, o = this.vttCCs;
o[r.cc] || (o[r.cc] = {
start: r.start,
prevCC: this.prevCC,
new: !0
},
this.prevCC = r.cc),
s && s.textCodec === ha ? this._parseIMSC1(r, i) : this._parseVTTs(e)
}
} else
this.hls.trigger(S.SUBTITLE_FRAG_PROCESSED, {
success: !1,
frag: r,
error: new Error("Empty subtitle payload")
})
}
,
e._parseIMSC1 = function(t, e) {
var r = this
, i = this.hls;
ga(e, this.initPTS[t.cc], (function(e) {
r._appendCues(e, t.level),
i.trigger(S.SUBTITLE_FRAG_PROCESSED, {
success: !0,
frag: t
})
}
), (function(e) {
w.log("Failed to parse IMSC1: " + e),
i.trigger(S.SUBTITLE_FRAG_PROCESSED, {
success: !1,
frag: t,
error: e
})
}
))
}
,
e._parseVTTs = function(t) {
var e, r = this, i = t.frag, n = t.payload, a = this.initPTS, s = this.unparsedVttFrags, o = a.length - 1;
if (a[i.cc] || -1 !== o) {
var l = this.hls;
ua(null != (e = i.initSegment) && e.data ? xt(i.initSegment.data, new Uint8Array(n)) : n, this.initPTS[i.cc], this.vttCCs, i.cc, i.start, (function(t) {
r._appendCues(t, i.level),
l.trigger(S.SUBTITLE_FRAG_PROCESSED, {
success: !0,
frag: i
})
}
), (function(e) {
var a = "Missing initPTS for VTT MPEGTS" === e.message;
a ? s.push(t) : r._fallbackToIMSC1(i, n),
w.log("Failed to parse VTT cue: " + e),
a && o > i.cc || l.trigger(S.SUBTITLE_FRAG_PROCESSED, {
success: !1,
frag: i,
error: e
})
}
))
} else
s.push(t)
}
,
e._fallbackToIMSC1 = function(t, e) {
var r = this
, i = this.tracks[t.level];
i.textCodec || ga(e, this.initPTS[t.cc], (function() {
i.textCodec = ha,
r._parseIMSC1(t, e)
}
), (function() {
i.textCodec = "wvtt"
}
))
}
,
e._appendCues = function(t, e) {
var r = this.hls;
if (this.config.renderTextTracksNatively) {
var i = this.textTracks[e];
if (!i || "disabled" === i.mode)
return;
t.forEach((function(t) {
return Se(i, t)
}
))
} else {
var n = this.tracks[e];
if (!n)
return;
var a = n.default ? "default" : "subtitles" + e;
r.trigger(S.CUES_PARSED, {
type: "subtitles",
cues: t,
track: a
})
}
}
,
e.onFragDecrypted = function(t, e) {
e.frag.type === me && this.onFragLoaded(S.FRAG_LOADED, e)
}
,
e.onSubtitleTracksCleared = function() {
this.tracks = [],
this.captionsTracks = {}
}
,
e.onFragParsingUserdata = function(t, e) {
var r = this.cea608Parser1
, i = this.cea608Parser2;
if (this.enabled && r && i) {
var n = e.frag
, a = e.samples;
if (n.type !== ge || "NONE" !== this.closedCaptionsForLevel(n))
for (var s = 0; s < a.length; s++) {
var o = a[s].bytes;
if (o) {
var l = this.extractCea608Data(o);
r.addData(a[s].pts, l[0]),
i.addData(a[s].pts, l[1])
}
}
}
}
,
e.onBufferFlushing = function(t, e) {
var r = e.startOffset
, i = e.endOffset
, n = e.endOffsetSubtitles
, a = e.type
, s = this.media;
if (s && !(s.currentTime < i)) {
if (!a || "video" === a) {
var o = this.captionsTracks;
Object.keys(o).forEach((function(t) {
return Re(o[t], r, i)
}
))
}
if (this.config.renderTextTracksNatively && 0 === r && void 0 !== n) {
var l = this.textTracks;
Object.keys(l).forEach((function(t) {
return Re(l[t], r, n)
}
))
}
}
}
,
e.extractCea608Data = function(t) {
for (var e = [[], []], r = 31 & t[0], i = 2, n = 0; n < r; n++) {
var a = t[i++]
, s = 127 & t[i++]
, o = 127 & t[i++];
if ((0 !== s || 0 !== o) && 0 != (4 & a)) {
var l = 3 & a;
0 !== l && 1 !== l || (e[l].push(s),
e[l].push(o))
}
}
return e
}
,
t
}();
function La(t, e) {
return !!t && t.label === e.name && !(t.textTrack1 || t.textTrack2)
}
var Ra = function() {
function t(t) {
this.hls = void 0,
this.autoLevelCapping = void 0,
this.firstLevel = void 0,
this.media = void 0,
this.restrictedLevels = void 0,
this.timer = void 0,
this.clientRect = void 0,
this.streamController = void 0,
this.hls = t,
this.autoLevelCapping = Number.POSITIVE_INFINITY,
this.firstLevel = -1,
this.media = null,
this.restrictedLevels = [],
this.timer = void 0,
this.clientRect = null,
this.registerListeners()
}
var e = t.prototype;
return e.setStreamController = function(t) {
this.streamController = t
}
,
e.destroy = function() {
this.unregisterListener(),
this.hls.config.capLevelToPlayerSize && this.stopCapping(),
this.media = null,
this.clientRect = null,
this.hls = this.streamController = null
}
,
e.registerListeners = function() {
var t = this.hls;
t.on(S.FPS_DROP_LEVEL_CAPPING, this.onFpsDropLevelCapping, this),
t.on(S.MEDIA_ATTACHING, this.onMediaAttaching, this),
t.on(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.on(S.BUFFER_CODECS, this.onBufferCodecs, this),
t.on(S.MEDIA_DETACHING, this.onMediaDetaching, this)
}
,
e.unregisterListener = function() {
var t = this.hls;
t.off(S.FPS_DROP_LEVEL_CAPPING, this.onFpsDropLevelCapping, this),
t.off(S.MEDIA_ATTACHING, this.onMediaAttaching, this),
t.off(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.off(S.BUFFER_CODECS, this.onBufferCodecs, this),
t.off(S.MEDIA_DETACHING, this.onMediaDetaching, this)
}
,
e.onFpsDropLevelCapping = function(t, e) {
var r = this.hls.levels[e.droppedLevel];
this.isLevelAllowed(r) && this.restrictedLevels.push({
bitrate: r.bitrate,
height: r.height,
width: r.width
})
}
,
e.onMediaAttaching = function(t, e) {
this.media = e.media instanceof HTMLVideoElement ? e.media : null,
this.clientRect = null
}
,
e.onManifestParsed = function(t, e) {
var r = this.hls;
this.restrictedLevels = [],
this.firstLevel = e.firstLevel,
r.config.capLevelToPlayerSize && e.video && this.startCapping()
}
,
e.onBufferCodecs = function(t, e) {
this.hls.config.capLevelToPlayerSize && e.video && this.startCapping()
}
,
e.onMediaDetaching = function() {
this.stopCapping()
}
,
e.detectPlayerSize = function() {
if (this.media && this.mediaHeight > 0 && this.mediaWidth > 0) {
var t = this.hls.levels;
if (t.length) {
var e = this.hls;
e.autoLevelCapping = this.getMaxLevel(t.length - 1),
e.autoLevelCapping > this.autoLevelCapping && this.streamController && this.streamController.nextLevelSwitch(),
this.autoLevelCapping = e.autoLevelCapping
}
}
}
,
e.getMaxLevel = function(e) {
var r = this
, i = this.hls.levels;
if (!i.length)
return -1;
var n = i.filter((function(t, i) {
return r.isLevelAllowed(t) && i <= e
}
));
return this.clientRect = null,
t.getMaxLevelByMediaSize(n, this.mediaWidth, this.mediaHeight)
}
,
e.startCapping = function() {
this.timer || (this.autoLevelCapping = Number.POSITIVE_INFINITY,
this.hls.firstLevel = this.getMaxLevel(this.firstLevel),
self.clearInterval(this.timer),
this.timer = self.setInterval(this.detectPlayerSize.bind(this), 1e3),
this.detectPlayerSize())
}
,
e.stopCapping = function() {
this.restrictedLevels = [],
this.firstLevel = -1,
this.autoLevelCapping = Number.POSITIVE_INFINITY,
this.timer && (self.clearInterval(this.timer),
this.timer = void 0)
}
,
e.getDimensions = function() {
if (this.clientRect)
return this.clientRect;
var t = this.media
, e = {
width: 0,
height: 0
};
if (t) {
var r = t.getBoundingClientRect();
e.width = r.width,
e.height = r.height,
e.width || e.height || (e.width = r.right - r.left || t.width || 0,
e.height = r.bottom - r.top || t.height || 0)
}
return this.clientRect = e,
e
}
,
e.isLevelAllowed = function(t) {
return !this.restrictedLevels.some((function(e) {
return t.bitrate === e.bitrate && t.width === e.width && t.height === e.height
}
))
}
,
t.getMaxLevelByMediaSize = function(t, e, r) {
if (null == t || !t.length)
return -1;
for (var i, n, a = t.length - 1, s = 0; s < t.length; s += 1) {
var o = t[s];
if ((o.width >= e || o.height >= r) && (i = o,
!(n = t[s + 1]) || i.width !== n.width || i.height !== n.height)) {
a = s;
break
}
}
return a
}
,
a(t, [{
key: "mediaWidth",
get: function() {
return this.getDimensions().width * this.contentScaleFactor
}
}, {
key: "mediaHeight",
get: function() {
return this.getDimensions().height * this.contentScaleFactor
}
}, {
key: "contentScaleFactor",
get: function() {
var t = 1;
if (!this.hls.config.ignoreDevicePixelRatio)
try {
t = self.devicePixelRatio
} catch (t) {}
return t
}
}]),
t
}()
, Aa = function() {
function t(t) {
this.hls = void 0,
this.isVideoPlaybackQualityAvailable = !1,
this.timer = void 0,
this.media = null,
this.lastTime = void 0,
this.lastDroppedFrames = 0,
this.lastDecodedFrames = 0,
this.streamController = void 0,
this.hls = t,
this.registerListeners()
}
var e = t.prototype;
return e.setStreamController = function(t) {
this.streamController = t
}
,
e.registerListeners = function() {
this.hls.on(S.MEDIA_ATTACHING, this.onMediaAttaching, this)
}
,
e.unregisterListeners = function() {
this.hls.off(S.MEDIA_ATTACHING, this.onMediaAttaching, this)
}
,
e.destroy = function() {
this.timer && clearInterval(this.timer),
this.unregisterListeners(),
this.isVideoPlaybackQualityAvailable = !1,
this.media = null
}
,
e.onMediaAttaching = function(t, e) {
var r = this.hls.config;
if (r.capLevelOnFPSDrop) {
var i = e.media instanceof self.HTMLVideoElement ? e.media : null;
this.media = i,
i && "function" == typeof i.getVideoPlaybackQuality && (this.isVideoPlaybackQualityAvailable = !0),
self.clearInterval(this.timer),
this.timer = self.setInterval(this.checkFPSInterval.bind(this), r.fpsDroppedMonitoringPeriod)
}
}
,
e.checkFPS = function(t, e, r) {
var i = performance.now();
if (e) {
if (this.lastTime) {
var n = i - this.lastTime
, a = r - this.lastDroppedFrames
, s = e - this.lastDecodedFrames
, o = 1e3 * a / n
, l = this.hls;
if (l.trigger(S.FPS_DROP, {
currentDropped: a,
currentDecoded: s,
totalDroppedFrames: r
}),
o > 0 && a > l.config.fpsDroppedMonitoringThreshold * s) {
var u = l.currentLevel;
w.warn("drop FPS ratio greater than max allowed value for currentLevel: " + u),
u > 0 && (-1 === l.autoLevelCapping || l.autoLevelCapping >= u) && (u -= 1,
l.trigger(S.FPS_DROP_LEVEL_CAPPING, {
level: u,
droppedLevel: l.currentLevel
}),
l.autoLevelCapping = u,
this.streamController.nextLevelSwitch())
}
}
this.lastTime = i,
this.lastDroppedFrames = r,
this.lastDecodedFrames = e
}
}
,
e.checkFPSInterval = function() {
var t = this.media;
if (t)
if (this.isVideoPlaybackQualityAvailable) {
var e = t.getVideoPlaybackQuality();
this.checkFPS(t, e.totalVideoFrames, e.droppedVideoFrames)
} else
this.checkFPS(t, t.webkitDecodedFrameCount, t.webkitDroppedFrameCount)
}
,
t
}()
, ka = "[eme]"
, ba = function() {
function t(e) {
this.hls = void 0,
this.config = void 0,
this.media = null,
this.keyFormatPromise = null,
this.keySystemAccessPromises = {},
this._requestLicenseFailureCount = 0,
this.mediaKeySessions = [],
this.keyIdToKeySessionPromise = {},
this.setMediaKeysQueue = t.CDMCleanupPromise ? [t.CDMCleanupPromise] : [],
this.onMediaEncrypted = this._onMediaEncrypted.bind(this),
this.onWaitingForKey = this._onWaitingForKey.bind(this),
this.debug = w.debug.bind(w, ka),
this.log = w.log.bind(w, ka),
this.warn = w.warn.bind(w, ka),
this.error = w.error.bind(w, ka),
this.hls = e,
this.config = e.config,
this.registerListeners()
}
var e = t.prototype;
return e.destroy = function() {
this.unregisterListeners(),
this.onMediaDetached();
var t = this.config;
t.requestMediaKeySystemAccessFunc = null,
t.licenseXhrSetup = t.licenseResponseCallback = void 0,
t.drmSystems = t.drmSystemOptions = {},
this.hls = this.onMediaEncrypted = this.onWaitingForKey = this.keyIdToKeySessionPromise = null,
this.config = null
}
,
e.registerListeners = function() {
this.hls.on(S.MEDIA_ATTACHED, this.onMediaAttached, this),
this.hls.on(S.MEDIA_DETACHED, this.onMediaDetached, this),
this.hls.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
this.hls.on(S.MANIFEST_LOADED, this.onManifestLoaded, this)
}
,
e.unregisterListeners = function() {
this.hls.off(S.MEDIA_ATTACHED, this.onMediaAttached, this),
this.hls.off(S.MEDIA_DETACHED, this.onMediaDetached, this),
this.hls.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
this.hls.off(S.MANIFEST_LOADED, this.onManifestLoaded, this)
}
,
e.getLicenseServerUrl = function(t) {
var e = this.config
, r = e.drmSystems
, i = e.widevineLicenseUrl
, n = r[t];
if (n)
return n.licenseUrl;
if (t === j.WIDEVINE && i)
return i;
throw new Error('no license server URL configured for key-system "' + t + '"')
}
,
e.getServerCertificateUrl = function(t) {
var e = this.config.drmSystems[t];
if (e)
return e.serverCertificateUrl;
this.log('No Server Certificate in config.drmSystems["' + t + '"]')
}
,
e.attemptKeySystemAccess = function(t) {
var e = this
, r = this.hls.levels
, i = function(t, e, r) {
return !!t && r.indexOf(t) === e
}
, n = r.map((function(t) {
return t.audioCodec
}
)).filter(i)
, a = r.map((function(t) {
return t.videoCodec
}
)).filter(i);
return n.length + a.length === 0 && a.push("avc1.42e01e"),
new Promise((function(r, i) {
!function t(s) {
var o = s.shift();
e.getMediaKeysPromise(o, n, a).then((function(t) {
return r({
keySystem: o,
mediaKeys: t
})
}
)).catch((function(e) {
s.length ? t(s) : i(e instanceof Da ? e : new Da({
type: L.KEY_SYSTEM_ERROR,
details: R.KEY_SYSTEM_NO_ACCESS,
error: e,
fatal: !0
},e.message))
}
))
}(t)
}
))
}
,
e.requestMediaKeySystemAccess = function(t, e) {
var r = this.config.requestMediaKeySystemAccessFunc;
if ("function" != typeof r) {
var i = "Configured requestMediaKeySystemAccess is not a function " + r;
return null === et && "http:" === self.location.protocol && (i = "navigator.requestMediaKeySystemAccess is not available over insecure protocol " + location.protocol),
Promise.reject(new Error(i))
}
return r(t, e)
}
,
e.getMediaKeysPromise = function(t, e, r) {
var i = this
, n = function(t, e, r, i) {
var n;
switch (t) {
case j.FAIRPLAY:
n = ["cenc", "sinf"];
break;
case j.WIDEVINE:
case j.PLAYREADY:
n = ["cenc"];
break;
case j.CLEARKEY:
n = ["cenc", "keyids"];
break;
default:
throw new Error("Unknown key-system: " + t)
}
return function(t, e, r, i) {
return [{
initDataTypes: t,
persistentState: i.persistentState || "not-allowed",
distinctiveIdentifier: i.distinctiveIdentifier || "not-allowed",
sessionTypes: i.sessionTypes || [i.sessionType || "temporary"],
audioCapabilities: e.map((function(t) {
return {
contentType: 'audio/mp4; codecs="' + t + '"',
robustness: i.audioRobustness || "",
encryptionScheme: i.audioEncryptionScheme || null
}
}
)),
videoCapabilities: r.map((function(t) {
return {
contentType: 'video/mp4; codecs="' + t + '"',
robustness: i.videoRobustness || "",
encryptionScheme: i.videoEncryptionScheme || null
}
}
))
}]
}(n, e, r, i)
}(t, e, r, this.config.drmSystemOptions)
, a = this.keySystemAccessPromises[t]
, s = null == a ? void 0 : a.keySystemAccess;
if (!s) {
this.log('Requesting encrypted media "' + t + '" key-system access with config: ' + JSON.stringify(n)),
s = this.requestMediaKeySystemAccess(t, n);
var o = this.keySystemAccessPromises[t] = {
keySystemAccess: s
};
return s.catch((function(e) {
i.log('Failed to obtain access to key-system "' + t + '": ' + e)
}
)),
s.then((function(e) {
i.log('Access for key-system "' + e.keySystem + '" obtained');
var r = i.fetchServerCertificate(t);
return i.log('Create media-keys for "' + t + '"'),
o.mediaKeys = e.createMediaKeys().then((function(e) {
return i.log('Media-keys created for "' + t + '"'),
r.then((function(r) {
return r ? i.setMediaKeysServerCertificate(e, t, r) : e
}
))
}
)),
o.mediaKeys.catch((function(e) {
i.error('Failed to create media-keys for "' + t + '"}: ' + e)
}
)),
o.mediaKeys
}
))
}
return s.then((function() {
return a.mediaKeys
}
))
}
,
e.createMediaKeySessionContext = function(t) {
var e = t.decryptdata
, r = t.keySystem
, i = t.mediaKeys;
this.log('Creating key-system session "' + r + '" keyId: ' + Tt(e.keyId || []));
var n = i.createSession()
, a = {
decryptdata: e,
keySystem: r,
mediaKeys: i,
mediaKeysSession: n,
keyStatus: "status-pending"
};
return this.mediaKeySessions.push(a),
a
}
,
e.renewKeySession = function(t) {
var e = t.decryptdata;
if (e.pssh) {
var r = this.createMediaKeySessionContext(t)
, i = this.getKeyIdString(e);
this.keyIdToKeySessionPromise[i] = this.generateRequestWithPreferredKeySession(r, "cenc", e.pssh, "expired")
} else
this.warn("Could not renew expired session. Missing pssh initData.");
this.removeSession(t)
}
,
e.getKeyIdString = function(t) {
if (!t)
throw new Error("Could not read keyId of undefined decryptdata");
if (null === t.keyId)
throw new Error("keyId is null");
return Tt(t.keyId)
}
,
e.updateKeySession = function(t, e) {
var r, i = t.mediaKeysSession;
return this.log('Updating key-session "' + i.sessionId + '" for keyID ' + Tt((null == (r = t.decryptdata) ? void 0 : r.keyId) || []) + "\n } (data length: " + (e ? e.byteLength : e) + ")"),
i.update(e)
}
,
e.selectKeySystemFormat = function(t) {
var e = Object.keys(t.levelkeys || {});
return this.keyFormatPromise || (this.log("Selecting key-system from fragment (sn: " + t.sn + " " + t.type + ": " + t.level + ") key formats " + e.join(", ")),
this.keyFormatPromise = this.getKeyFormatPromise(e)),
this.keyFormatPromise
}
,
e.getKeyFormatPromise = function(t) {
var e = this;
return new Promise((function(r, i) {
var n = tt(e.config)
, a = t.map($).filter((function(t) {
return !!t && -1 !== n.indexOf(t)
}
));
return e.getKeySystemSelectionPromise(a).then((function(t) {
var e = t.keySystem
, n = Z(e);
n ? r(n) : i(new Error('Unable to find format for key-system "' + e + '"'))
}
)).catch(i)
}
))
}
,
e.loadKey = function(t) {
var e = this
, r = t.keyInfo.decryptdata
, i = this.getKeyIdString(r)
, n = "(keyId: " + i + ' format: "' + r.keyFormat + '" method: ' + r.method + " uri: " + r.uri + ")";
this.log("Starting session for key " + n);
var a = this.keyIdToKeySessionPromise[i];
return a || (a = this.keyIdToKeySessionPromise[i] = this.getKeySystemForKeyPromise(r).then((function(i) {
var a = i.keySystem
, s = i.mediaKeys;
return e.throwIfDestroyed(),
e.log("Handle encrypted media sn: " + t.frag.sn + " " + t.frag.type + ": " + t.frag.level + " using key " + n),
e.attemptSetMediaKeys(a, s).then((function() {
e.throwIfDestroyed();
var t = e.createMediaKeySessionContext({
keySystem: a,
mediaKeys: s,
decryptdata: r
});
return e.generateRequestWithPreferredKeySession(t, "cenc", r.pssh, "playlist-key")
}
))
}
))).catch((function(t) {
return e.handleError(t)
}
)),
a
}
,
e.throwIfDestroyed = function(t) {
if (!this.hls)
throw new Error("invalid state")
}
,
e.handleError = function(t) {
this.hls && (this.error(t.message),
t instanceof Da ? this.hls.trigger(S.ERROR, t.data) : this.hls.trigger(S.ERROR, {
type: L.KEY_SYSTEM_ERROR,
details: R.KEY_SYSTEM_NO_KEYS,
error: t,
fatal: !0
}))
}
,
e.getKeySystemForKeyPromise = function(t) {
var e = this.getKeyIdString(t)
, r = this.keyIdToKeySessionPromise[e];
if (!r) {
var i = $(t.keyFormat)
, n = i ? [i] : tt(this.config);
return this.attemptKeySystemAccess(n)
}
return r
}
,
e.getKeySystemSelectionPromise = function(t) {
if (t.length || (t = tt(this.config)),
0 === t.length)
throw new Da({
type: L.KEY_SYSTEM_ERROR,
details: R.KEY_SYSTEM_NO_CONFIGURED_LICENSE,
fatal: !0
},"Missing key-system license configuration options " + JSON.stringify({
drmSystems: this.config.drmSystems
}));
return this.attemptKeySystemAccess(t)
}
,
e._onMediaEncrypted = function(t) {
var e = this
, r = t.initDataType
, i = t.initData;
if (this.debug('"' + t.type + '" event: init data type: "' + r + '"'),
null !== i) {
var n, a;
if ("sinf" === r && this.config.drmSystems[j.FAIRPLAY]) {
var s = Rt(new Uint8Array(i));
try {
var o = V(JSON.parse(s).sinf)
, l = _t(new Uint8Array(o));
if (!l)
return;
n = l.subarray(8, 24),
a = j.FAIRPLAY
} catch (t) {
return void this.warn('Failed to parse sinf "encrypted" event message initData')
}
} else {
var u = function(t) {
if (!(t instanceof ArrayBuffer) || t.byteLength < 32)
return null;
var e = {
version: 0,
systemId: "",
kids: null,
data: null
}
, r = new DataView(t)
, i = r.getUint32(0);
if (t.byteLength !== i && i > 44)
return null;
if (1886614376 !== r.getUint32(4))
return null;
if (e.version = r.getUint32(8) >>> 24,
e.version > 1)
return null;
e.systemId = Tt(new Uint8Array(t,12,16));
var n = r.getUint32(28);
if (0 === e.version) {
if (i - 32 < n)
return null;
e.data = new Uint8Array(t,32,n)
} else if (1 === e.version) {
e.kids = [];
for (var a = 0; a < n; a++)
e.kids.push(new Uint8Array(t,32 + 16 * a,16))
}
return e
}(i);
if (null === u)
return;
0 === u.version && u.systemId === J && u.data && (n = u.data.subarray(8, 24)),
a = function(t) {
if (t === J)
return j.WIDEVINE
}(u.systemId)
}
if (a && n) {
for (var h = Tt(n), d = this.keyIdToKeySessionPromise, c = this.mediaKeySessions, f = d[h], g = function() {
var t = c[v]
, a = t.decryptdata;
if (a.pssh || !a.keyId)
return "continue";
var s = Tt(a.keyId);
return h === s || -1 !== a.uri.replace(/-/g, "").indexOf(h) ? (f = d[s],
delete d[s],
a.pssh = new Uint8Array(i),
a.keyId = n,
f = d[h] = f.then((function() {
return e.generateRequestWithPreferredKeySession(t, r, i, "encrypted-event-key-match")
}
)),
"break") : void 0
}, v = 0; v < c.length; v++) {
var m = g();
if ("continue" !== m && "break" === m)
break
}
f || (f = d[h] = this.getKeySystemSelectionPromise([a]).then((function(t) {
var a, s = t.keySystem, o = t.mediaKeys;
e.throwIfDestroyed();
var l = new Gt("ISO-23001-7",h,null != (a = Z(s)) ? a : "");
return l.pssh = new Uint8Array(i),
l.keyId = n,
e.attemptSetMediaKeys(s, o).then((function() {
e.throwIfDestroyed();
var t = e.createMediaKeySessionContext({
decryptdata: l,
keySystem: s,
mediaKeys: o
});
return e.generateRequestWithPreferredKeySession(t, r, i, "encrypted-event-no-match")
}
))
}
))),
f.catch((function(t) {
return e.handleError(t)
}
))
}
}
}
,
e._onWaitingForKey = function(t) {
this.log('"' + t.type + '" event')
}
,
e.attemptSetMediaKeys = function(t, e) {
var r = this
, i = this.setMediaKeysQueue.slice();
this.log('Setting media-keys for "' + t + '"');
var n = Promise.all(i).then((function() {
if (!r.media)
throw new Error("Attempted to set mediaKeys without media element attached");
return r.media.setMediaKeys(e)
}
));
return this.setMediaKeysQueue.push(n),
n.then((function() {
r.log('Media-keys set for "' + t + '"'),
i.push(n),
r.setMediaKeysQueue = r.setMediaKeysQueue.filter((function(t) {
return -1 === i.indexOf(t)
}
))
}
))
}
,
e.generateRequestWithPreferredKeySession = function(t, e, r, i) {
var n, a, s = this, o = null == (n = this.config.drmSystems) || null == (a = n[t.keySystem]) ? void 0 : a.generateRequest;
if (o)
try {
var l = o.call(this.hls, e, r, t);
if (!l)
throw new Error("Invalid response from configured generateRequest filter");
e = l.initDataType,
r = t.decryptdata.pssh = l.initData ? new Uint8Array(l.initData) : null
} catch (t) {
var u;
if (this.warn(t.message),
null != (u = this.hls) && u.config.debug)
throw t
}
if (null === r)
return this.log('Skipping key-session request for "' + i + '" (no initData)'),
Promise.resolve(t);
var h = this.getKeyIdString(t.decryptdata);
this.log('Generating key-session request for "' + i + '": ' + h + " (init data type: " + e + " length: " + (r ? r.byteLength : null) + ")");
var d = new an;
t.mediaKeysSession.onmessage = function(e) {
var r = t.mediaKeysSession;
if (r) {
var i = e.messageType
, n = e.message;
s.log('"' + i + '" message event for session "' + r.sessionId + '" message size: ' + n.byteLength),
"license-request" === i || "license-renewal" === i ? s.renewLicense(t, n).catch((function(t) {
s.handleError(t),
d.emit("error", t)
}
)) : "license-release" === i ? t.keySystem === j.FAIRPLAY && (s.updateKeySession(t, W("acknowledged")),
s.removeSession(t)) : s.warn('unhandled media key message type "' + i + '"')
} else
d.emit("error", new Error("invalid state"))
}
,
t.mediaKeysSession.onkeystatuseschange = function(e) {
if (t.mediaKeysSession) {
s.onKeyStatusChange(t);
var r = t.keyStatus;
d.emit("keyStatus", r),
"expired" === r && (s.warn(t.keySystem + " expired for key " + h),
s.renewKeySession(t))
} else
d.emit("error", new Error("invalid state"))
}
;
var c = new Promise((function(t, e) {
d.on("error", e),
d.on("keyStatus", (function(r) {
r.startsWith("usable") ? t() : "output-restricted" === r ? e(new Da({
type: L.KEY_SYSTEM_ERROR,
details: R.KEY_SYSTEM_STATUS_OUTPUT_RESTRICTED,
fatal: !1
},"HDCP level output restricted")) : "internal-error" === r ? e(new Da({
type: L.KEY_SYSTEM_ERROR,
details: R.KEY_SYSTEM_STATUS_INTERNAL_ERROR,
fatal: !0
},'key status changed to "' + r + '"')) : "expired" === r ? e(new Error("key expired while generating request")) : s.warn('unhandled key status change "' + r + '"')
}
))
}
));
return t.mediaKeysSession.generateRequest(e, r).then((function() {
var e;
s.log('Request generated for key-session "' + (null == (e = t.mediaKeysSession) ? void 0 : e.sessionId) + '" keyId: ' + h)
}
)).catch((function(t) {
throw new Da({
type: L.KEY_SYSTEM_ERROR,
details: R.KEY_SYSTEM_NO_SESSION,
error: t,
fatal: !1
},"Error generating key-session request: " + t)
}
)).then((function() {
return c
}
)).catch((function(e) {
throw d.removeAllListeners(),
s.removeSession(t),
e
}
)).then((function() {
return d.removeAllListeners(),
t
}
))
}
,
e.onKeyStatusChange = function(t) {
var e = this;
t.mediaKeysSession.keyStatuses.forEach((function(r, i) {
e.log('key status change "' + r + '" for keyStatuses keyId: ' + Tt("buffer"in i ? new Uint8Array(i.buffer,i.byteOffset,i.byteLength) : new Uint8Array(i)) + " session keyId: " + Tt(new Uint8Array(t.decryptdata.keyId || [])) + " uri: " + t.decryptdata.uri),
t.keyStatus = r
}
))
}
,
e.fetchServerCertificate = function(t) {
var e = this.config
, r = new (0,
e.loader)(e)
, n = this.getServerCertificateUrl(t);
return n ? (this.log('Fetching serverCertificate for "' + t + '"'),
new Promise((function(a, s) {
var o = {
responseType: "arraybuffer",
url: n
}
, l = e.certLoadPolicy.default
, u = {
loadPolicy: l,
timeout: l.maxLoadTimeMs,
maxRetry: 0,
retryDelay: 0,
maxRetryDelay: 0
}
, h = {
onSuccess: function(t, e, r, i) {
a(t.data)
},
onError: function(e, r, a, l) {
s(new Da({
type: L.KEY_SYSTEM_ERROR,
details: R.KEY_SYSTEM_SERVER_CERTIFICATE_REQUEST_FAILED,
fatal: !0,
networkDetails: a,
response: i({
url: o.url,
data: void 0
}, e)
},'"' + t + '" certificate request failed (' + n + "). Status: " + e.code + " (" + e.text + ")"))
},
onTimeout: function(e, r, i) {
s(new Da({
type: L.KEY_SYSTEM_ERROR,
details: R.KEY_SYSTEM_SERVER_CERTIFICATE_REQUEST_FAILED,
fatal: !0,
networkDetails: i,
response: {
url: o.url,
data: void 0
}
},'"' + t + '" certificate request timed out (' + n + ")"))
},
onAbort: function(t, e, r) {
s(new Error("aborted"))
}
};
r.load(o, u, h)
}
))) : Promise.resolve()
}
,
e.setMediaKeysServerCertificate = function(t, e, r) {
var i = this;
return new Promise((function(n, a) {
t.setServerCertificate(r).then((function(a) {
i.log("setServerCertificate " + (a ? "success" : "not supported by CDM") + " (" + (null == r ? void 0 : r.byteLength) + ') on "' + e + '"'),
n(t)
}
)).catch((function(t) {
a(new Da({
type: L.KEY_SYSTEM_ERROR,
details: R.KEY_SYSTEM_SERVER_CERTIFICATE_UPDATE_FAILED,
error: t,
fatal: !0
},t.message))
}
))
}
))
}
,
e.renewLicense = function(t, e) {
var r = this;
return this.requestLicense(t, new Uint8Array(e)).then((function(e) {
return r.updateKeySession(t, new Uint8Array(e)).catch((function(t) {
throw new Da({
type: L.KEY_SYSTEM_ERROR,
details: R.KEY_SYSTEM_SESSION_UPDATE_FAILED,
error: t,
fatal: !0
},t.message)
}
))
}
))
}
,
e.setupLicenseXHR = function(t, e, r, i) {
var n = this
, a = this.config.licenseXhrSetup;
return a ? Promise.resolve().then((function() {
if (!r.decryptdata)
throw new Error("Key removed");
return a.call(n.hls, t, e, r, i)
}
)).catch((function(s) {
if (!r.decryptdata)
throw s;
return t.open("POST", e, !0),
a.call(n.hls, t, e, r, i)
}
)).then((function(r) {
return t.readyState || t.open("POST", e, !0),
{
xhr: t,
licenseChallenge: r || i
}
}
)) : (t.open("POST", e, !0),
Promise.resolve({
xhr: t,
licenseChallenge: i
}))
}
,
e.requestLicense = function(t, e) {
var r = this
, i = this.config.keyLoadPolicy.default;
return new Promise((function(n, a) {
var s = r.getLicenseServerUrl(t.keySystem);
r.log("Sending license request to URL: " + s);
var o = new XMLHttpRequest;
o.responseType = "arraybuffer",
o.onreadystatechange = function() {
if (!r.hls || !t.mediaKeysSession)
return a(new Error("invalid state"));
if (4 === o.readyState)
if (200 === o.status) {
r._requestLicenseFailureCount = 0;
var l = o.response;
r.log("License received " + (l instanceof ArrayBuffer ? l.byteLength : l));
var u = r.config.licenseResponseCallback;
if (u)
try {
l = u.call(r.hls, o, s, t)
} catch (t) {
r.error(t)
}
n(l)
} else {
var h = i.errorRetry
, d = h ? h.maxNumRetry : 0;
if (r._requestLicenseFailureCount++,
r._requestLicenseFailureCount > d || o.status >= 400 && o.status < 500)
a(new Da({
type: L.KEY_SYSTEM_ERROR,
details: R.KEY_SYSTEM_LICENSE_REQUEST_FAILED,
fatal: !0,
networkDetails: o,
response: {
url: s,
data: void 0,
code: o.status,
text: o.statusText
}
},"License Request XHR failed (" + s + "). Status: " + o.status + " (" + o.statusText + ")"));
else {
var c = d - r._requestLicenseFailureCount + 1;
r.warn("Retrying license request, " + c + " attempts left"),
r.requestLicense(t, e).then(n, a)
}
}
}
,
t.licenseXhr && t.licenseXhr.readyState !== XMLHttpRequest.DONE && t.licenseXhr.abort(),
t.licenseXhr = o,
r.setupLicenseXHR(o, s, t, e).then((function(t) {
var e = t.xhr
, r = t.licenseChallenge;
e.send(r)
}
))
}
))
}
,
e.onMediaAttached = function(t, e) {
if (this.config.emeEnabled) {
var r = e.media;
this.media = r,
r.addEventListener("encrypted", this.onMediaEncrypted),
r.addEventListener("waitingforkey", this.onWaitingForKey)
}
}
,
e.onMediaDetached = function() {
var e = this
, r = this.media
, i = this.mediaKeySessions;
r && (r.removeEventListener("encrypted", this.onMediaEncrypted),
r.removeEventListener("waitingforkey", this.onWaitingForKey),
this.media = null),
this._requestLicenseFailureCount = 0,
this.setMediaKeysQueue = [],
this.mediaKeySessions = [],
this.keyIdToKeySessionPromise = {},
Gt.clearKeyUriToKeyIdMap();
var n = i.length;
t.CDMCleanupPromise = Promise.all(i.map((function(t) {
return e.removeSession(t)
}
)).concat(null == r ? void 0 : r.setMediaKeys(null).catch((function(t) {
e.log("Could not clear media keys: " + t + ". media.src: " + (null == r ? void 0 : r.src))
}
)))).then((function() {
n && (e.log("finished closing key sessions and clearing media keys"),
i.length = 0)
}
)).catch((function(t) {
e.log("Could not close sessions and clear media keys: " + t + ". media.src: " + (null == r ? void 0 : r.src))
}
))
}
,
e.onManifestLoading = function() {
this.keyFormatPromise = null
}
,
e.onManifestLoaded = function(t, e) {
var r = e.sessionKeys;
if (r && this.config.emeEnabled && !this.keyFormatPromise) {
var i = r.reduce((function(t, e) {
return -1 === t.indexOf(e.keyFormat) && t.push(e.keyFormat),
t
}
), []);
this.log("Selecting key-system from session-keys " + i.join(", ")),
this.keyFormatPromise = this.getKeyFormatPromise(i)
}
}
,
e.removeSession = function(t) {
var e = this
, r = t.mediaKeysSession
, i = t.licenseXhr;
if (r) {
this.log("Remove licenses and keys and close session " + r.sessionId),
r.onmessage = null,
r.onkeystatuseschange = null,
i && i.readyState !== XMLHttpRequest.DONE && i.abort(),
t.mediaKeysSession = t.decryptdata = t.licenseXhr = void 0;
var n = this.mediaKeySessions.indexOf(t);
return n > -1 && this.mediaKeySessions.splice(n, 1),
r.remove().catch((function(t) {
e.log("Could not remove session: " + t)
}
)).then((function() {
return r.close()
}
)).catch((function(t) {
e.log("Could not close session: " + t)
}
))
}
}
,
t
}();
ba.CDMCleanupPromise = void 0;
var Da = function(t) {
function e(e, r) {
var i;
return (i = t.call(this, r) || this).data = void 0,
e.error || (e.error = new Error(r)),
i.data = e,
e.err = e.error,
i
}
return l(e, t),
e
}(f(Error))
, Ia = "m"
, wa = "a"
, Ca = "v"
, _a = "av"
, Pa = "i"
, xa = "tt"
, Fa = function() {
function t(e) {
var r = this;
this.hls = void 0,
this.config = void 0,
this.media = void 0,
this.sid = void 0,
this.cid = void 0,
this.useHeaders = !1,
this.initialized = !1,
this.starved = !1,
this.buffering = !0,
this.audioBuffer = void 0,
this.videoBuffer = void 0,
this.onWaiting = function() {
r.initialized && (r.starved = !0),
r.buffering = !0
}
,
this.onPlaying = function() {
r.initialized || (r.initialized = !0),
r.buffering = !1
}
,
this.applyPlaylistData = function(t) {
try {
r.apply(t, {
ot: Ia,
su: !r.initialized
})
} catch (t) {
w.warn("Could not generate manifest CMCD data.", t)
}
}
,
this.applyFragmentData = function(t) {
try {
var e = t.frag
, i = r.hls.levels[e.level]
, n = r.getObjectType(e)
, a = {
d: 1e3 * e.duration,
ot: n
};
n !== Ca && n !== wa && n != _a || (a.br = i.bitrate / 1e3,
a.tb = r.getTopBandwidth(n) / 1e3,
a.bl = r.getBufferLength(n)),
r.apply(t, a)
} catch (t) {
w.warn("Could not generate segment CMCD data.", t)
}
}
,
this.hls = e;
var i = this.config = e.config
, n = i.cmcd;
null != n && (i.pLoader = this.createPlaylistLoader(),
i.fLoader = this.createFragmentLoader(),
this.sid = n.sessionId || t.uuid(),
this.cid = n.contentId,
this.useHeaders = !0 === n.useHeaders,
this.registerListeners())
}
var e = t.prototype;
return e.registerListeners = function() {
var t = this.hls;
t.on(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.on(S.MEDIA_DETACHED, this.onMediaDetached, this),
t.on(S.BUFFER_CREATED, this.onBufferCreated, this)
}
,
e.unregisterListeners = function() {
var t = this.hls;
t.off(S.MEDIA_ATTACHED, this.onMediaAttached, this),
t.off(S.MEDIA_DETACHED, this.onMediaDetached, this),
t.off(S.BUFFER_CREATED, this.onBufferCreated, this)
}
,
e.destroy = function() {
this.unregisterListeners(),
this.onMediaDetached(),
this.hls = this.config = this.audioBuffer = this.videoBuffer = null
}
,
e.onMediaAttached = function(t, e) {
this.media = e.media,
this.media.addEventListener("waiting", this.onWaiting),
this.media.addEventListener("playing", this.onPlaying)
}
,
e.onMediaDetached = function() {
this.media && (this.media.removeEventListener("waiting", this.onWaiting),
this.media.removeEventListener("playing", this.onPlaying),
this.media = null)
}
,
e.onBufferCreated = function(t, e) {
var r, i;
this.audioBuffer = null == (r = e.tracks.audio) ? void 0 : r.buffer,
this.videoBuffer = null == (i = e.tracks.video) ? void 0 : i.buffer
}
,
e.createData = function() {
var t;
return {
v: 1,
sf: "h",
sid: this.sid,
cid: this.cid,
pr: null == (t = this.media) ? void 0 : t.playbackRate,
mtp: this.hls.bandwidthEstimate / 1e3
}
}
,
e.apply = function(e, r) {
void 0 === r && (r = {}),
o(r, this.createData());
var i = r.ot === Pa || r.ot === Ca || r.ot === _a;
if (this.starved && i && (r.bs = !0,
r.su = !0,
this.starved = !1),
null == r.su && (r.su = this.buffering),
this.useHeaders) {
var n = t.toHeaders(r);
if (!Object.keys(n).length)
return;
e.headers || (e.headers = {}),
o(e.headers, n)
} else {
var a = t.toQuery(r);
if (!a)
return;
e.url = t.appendQueryToUri(e.url, a)
}
}
,
e.getObjectType = function(t) {
var e = t.type;
return "subtitle" === e ? xa : "initSegment" === t.sn ? Pa : "audio" === e ? wa : "main" === e ? this.hls.audioTracks.length ? Ca : _a : void 0
}
,
e.getTopBandwidth = function(t) {
var e, r = 0, i = this.hls;
if (t === wa)
e = i.audioTracks;
else {
var n = i.maxAutoLevel
, a = n > -1 ? n + 1 : i.levels.length;
e = i.levels.slice(0, a)
}
for (var s, o = v(e); !(s = o()).done; ) {
var l = s.value;
l.bitrate > r && (r = l.bitrate)
}
return r > 0 ? r : NaN
}
,
e.getBufferLength = function(t) {
var e = this.hls.media
, r = t === wa ? this.audioBuffer : this.videoBuffer;
return r && e ? 1e3 * Ir.bufferInfo(r, e.currentTime, this.config.maxBufferHole).len : NaN
}
,
e.createPlaylistLoader = function() {
var t = this.config.pLoader
, e = this.applyPlaylistData
, r = t || this.config.loader;
return function() {
function t(t) {
this.loader = void 0,
this.loader = new r(t)
}
var i = t.prototype;
return i.destroy = function() {
this.loader.destroy()
}
,
i.abort = function() {
this.loader.abort()
}
,
i.load = function(t, r, i) {
e(t),
this.loader.load(t, r, i)
}
,
a(t, [{
key: "stats",
get: function() {
return this.loader.stats
}
}, {
key: "context",
get: function() {
return this.loader.context
}
}]),
t
}()
}
,
e.createFragmentLoader = function() {
var t = this.config.fLoader
, e = this.applyFragmentData
, r = t || this.config.loader;
return function() {
function t(t) {
this.loader = void 0,
this.loader = new r(t)
}
var i = t.prototype;
return i.destroy = function() {
this.loader.destroy()
}
,
i.abort = function() {
this.loader.abort()
}
,
i.load = function(t, r, i) {
e(t),
this.loader.load(t, r, i)
}
,
a(t, [{
key: "stats",
get: function() {
return this.loader.stats
}
}, {
key: "context",
get: function() {
return this.loader.context
}
}]),
t
}()
}
,
t.uuid = function() {
var t = URL.createObjectURL(new Blob)
, e = t.toString();
return URL.revokeObjectURL(t),
e.slice(e.lastIndexOf("/") + 1)
}
,
t.serialize = function(t) {
for (var e, r = [], i = function(t) {
return !Number.isNaN(t) && null != t && "" !== t && !1 !== t
}, n = function(t) {
return Math.round(t)
}, a = function(t) {
return 100 * n(t / 100)
}, s = {
br: n,
d: n,
bl: a,
dl: a,
mtp: a,
nor: function(t) {
return encodeURIComponent(t)
},
rtp: a,
tb: n
}, o = v(Object.keys(t || {}).sort()); !(e = o()).done; ) {
var l = e.value
, u = t[l];
if (i(u) && !("v" === l && 1 === u || "pr" == l && 1 === u)) {
var h = s[l];
h && (u = h(u));
var d = typeof u
, c = void 0;
c = "ot" === l || "sf" === l || "st" === l ? l + "=" + u : "boolean" === d ? l : "number" === d ? l + "=" + u : l + "=" + JSON.stringify(u),
r.push(c)
}
}
return r.join(",")
}
,
t.toHeaders = function(e) {
for (var r = {}, i = ["Object", "Request", "Session", "Status"], n = [{}, {}, {}, {}], a = {
br: 0,
d: 0,
ot: 0,
tb: 0,
bl: 1,
dl: 1,
mtp: 1,
nor: 1,
nrr: 1,
su: 1,
cid: 2,
pr: 2,
sf: 2,
sid: 2,
st: 2,
v: 2,
bs: 3,
rtp: 3
}, s = 0, o = Object.keys(e); s < o.length; s++) {
var l = o[s];
n[null != a[l] ? a[l] : 1][l] = e[l]
}
for (var u = 0; u < n.length; u++) {
var h = t.serialize(n[u]);
h && (r["CMCD-" + i[u]] = h)
}
return r
}
,
t.toQuery = function(e) {
return "CMCD=" + encodeURIComponent(t.serialize(e))
}
,
t.appendQueryToUri = function(t, e) {
if (!e)
return t;
var r = t.includes("?") ? "&" : "?";
return "" + t + r + e
}
,
t
}()
, Ma = function() {
function t(t) {
this.hls = void 0,
this.log = void 0,
this.loader = null,
this.uri = null,
this.pathwayId = ".",
this.pathwayPriority = null,
this.timeToLoad = 300,
this.reloadTimer = -1,
this.updated = 0,
this.started = !1,
this.enabled = !0,
this.levels = null,
this.audioTracks = null,
this.subtitleTracks = null,
this.penalizedPathways = {},
this.hls = t,
this.log = w.log.bind(w, "[content-steering]:"),
this.registerListeners()
}
var e = t.prototype;
return e.registerListeners = function() {
var t = this.hls;
t.on(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.on(S.MANIFEST_LOADED, this.onManifestLoaded, this),
t.on(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.on(S.ERROR, this.onError, this)
}
,
e.unregisterListeners = function() {
var t = this.hls;
t && (t.off(S.MANIFEST_LOADING, this.onManifestLoading, this),
t.off(S.MANIFEST_LOADED, this.onManifestLoaded, this),
t.off(S.MANIFEST_PARSED, this.onManifestParsed, this),
t.off(S.ERROR, this.onError, this))
}
,
e.startLoad = function() {
if (this.started = !0,
self.clearTimeout(this.reloadTimer),
this.enabled && this.uri)
if (this.updated) {
var t = Math.max(1e3 * this.timeToLoad - (performance.now() - this.updated), 0);
this.scheduleRefresh(this.uri, t)
} else
this.loadSteeringManifest(this.uri)
}
,
e.stopLoad = function() {
this.started = !1,
this.loader && (this.loader.destroy(),
this.loader = null),
self.clearTimeout(this.reloadTimer)
}
,
e.destroy = function() {
this.unregisterListeners(),
this.stopLoad(),
this.hls = null,
this.levels = this.audioTracks = this.subtitleTracks = null
}
,
e.removeLevel = function(t) {
var e = this.levels;
e && (this.levels = e.filter((function(e) {
return e !== t
}
)))
}
,
e.onManifestLoading = function() {
this.stopLoad(),
this.enabled = !0,
this.timeToLoad = 300,
this.updated = 0,
this.uri = null,
this.pathwayId = ".",
this.levels = this.audioTracks = this.subtitleTracks = null
}
,
e.onManifestLoaded = function(t, e) {
var r = e.contentSteering;
null !== r && (this.pathwayId = r.pathwayId,
this.uri = r.uri,
this.started && this.startLoad())
}
,
e.onManifestParsed = function(t, e) {
this.audioTracks = e.audioTracks,
this.subtitleTracks = e.subtitleTracks
}
,
e.onError = function(t, e) {
var r = e.errorAction;
if ((null == r ? void 0 : r.action) === ir && r.flags === sr) {
var i = this.pathwayPriority
, n = this.pathwayId;
this.penalizedPathways[n] || (this.penalizedPathways[n] = performance.now()),
!i && this.levels && (i = this.levels.reduce((function(t, e) {
return -1 === t.indexOf(e.pathwayId) && t.push(e.pathwayId),
t
}
), [])),
i && i.length > 1 && (this.updatePathwayPriority(i),
r.resolved = this.pathwayId !== n)
}
}
,
e.filterParsedLevels = function(t) {
this.levels = t;
var e = this.getLevelsForPathway(this.pathwayId);
if (0 === e.length) {
var r = t[0].pathwayId;
this.log("No levels found in Pathway " + this.pathwayId + '. Setting initial Pathway to "' + r + '"'),
e = this.getLevelsForPathway(r),
this.pathwayId = r
}
return e.length !== t.length ? (this.log("Found " + e.length + "/" + t.length + ' levels in Pathway "' + this.pathwayId + '"'),
e) : t
}
,
e.getLevelsForPathway = function(t) {
return null === this.levels ? [] : this.levels.filter((function(e) {
return t === e.pathwayId
}
))
}
,
e.updatePathwayPriority = function(t) {
var e;
this.pathwayPriority = t;
var r = this.penalizedPathways
, i = performance.now();
Object.keys(r).forEach((function(t) {
i - r[t] > 3e5 && delete r[t]
}
));
for (var n = 0; n < t.length; n++) {
var a = t[n];
if (!r[a]) {
if (a === this.pathwayId)
return;
var s = this.hls.nextLoadLevel
, o = this.hls.levels[s];
if ((e = this.getLevelsForPathway(a)).length > 0) {
this.log('Setting Pathway to "' + a + '"'),
this.pathwayId = a,
this.hls.trigger(S.LEVELS_UPDATED, {
levels: e
});
var l = this.hls.levels[s];
o && l && this.levels && (l.attrs["STABLE-VARIANT-ID"] !== o.attrs["STABLE-VARIANT-ID"] && l.bitrate !== o.bitrate && this.log("Unstable Pathways change from bitrate " + o.bitrate + " to " + l.bitrate),
this.hls.nextLoadLevel = s);
break
}
}
}
}
,
e.clonePathways = function(t) {
var e = this
, r = this.levels;
if (r) {
var i = {}
, n = {};
t.forEach((function(t) {
var a = t.ID
, s = t["BASE-ID"]
, l = t["URI-REPLACEMENT"];
if (!r.some((function(t) {
return t.pathwayId === a
}
))) {
var u = e.getLevelsForPathway(s).map((function(t) {
var e = o({}, t);
e.details = void 0,
e.url = Na(t.uri, t.attrs["STABLE-VARIANT-ID"], "PER-VARIANT-URIS", l);
var r = new P(t.attrs);
r["PATHWAY-ID"] = a;
var s = r.AUDIO && r.AUDIO + "_clone_" + a
, u = r.SUBTITLES && r.SUBTITLES + "_clone_" + a;
s && (i[r.AUDIO] = s,
r.AUDIO = s),
u && (n[r.SUBTITLES] = u,
r.SUBTITLES = u),
e.attrs = r;
var h = new Ne(e);
return dr(h, "audio", s),
dr(h, "text", u),
h
}
));
r.push.apply(r, u),
Oa(e.audioTracks, i, l, a),
Oa(e.subtitleTracks, n, l, a)
}
}
))
}
}
,
e.loadSteeringManifest = function(t) {
var e, r = this, i = this.hls.config, n = i.loader;
this.loader && this.loader.destroy(),
this.loader = new n(i);
try {
e = new self.URL(t)
} catch (e) {
return this.enabled = !1,
void this.log("Failed to parse Steering Manifest URI: " + t)
}
if ("data:" !== e.protocol) {
var a = 0 | (this.hls.bandwidthEstimate || i.abrEwmaDefaultEstimate);
e.searchParams.set("_HLS_pathway", this.pathwayId),
e.searchParams.set("_HLS_throughput", "" + a)
}
var s = {
responseType: "json",
url: e.href
}
, o = i.steeringManifestLoadPolicy.default
, l = o.errorRetry || o.timeoutRetry || {}
, u = {
loadPolicy: o,
timeout: o.maxLoadTimeMs,
maxRetry: l.maxNumRetry || 0,
retryDelay: l.retryDelayMs || 0,
maxRetryDelay: l.maxRetryDelayMs || 0
}
, h = {
onSuccess: function(t, i, n, a) {
r.log('Loaded steering manifest: "' + e + '"');
var s = t.data;
if (1 === s.VERSION) {
r.updated = performance.now(),
r.timeToLoad = s.TTL;
var o = s["RELOAD-URI"]
, l = s["PATHWAY-CLONES"]
, u = s["PATHWAY-PRIORITY"];
if (o)
try {
r.uri = new self.URL(o,e).href
} catch (t) {
return r.enabled = !1,
void r.log("Failed to parse Steering Manifest RELOAD-URI: " + o)
}
r.scheduleRefresh(r.uri || n.url),
l && r.clonePathways(l),
u && r.updatePathwayPriority(u)
} else
r.log("Steering VERSION " + s.VERSION + " not supported!")
},
onError: function(t, e, i, n) {
if (r.log("Error loading steering manifest: " + t.code + " " + t.text + " (" + e.url + ")"),
r.stopLoad(),
410 === t.code)
return r.enabled = !1,
void r.log("Steering manifest " + e.url + " no longer available");
var a = 1e3 * r.timeToLoad;
if (429 !== t.code)
r.scheduleRefresh(r.uri || e.url, a);
else {
var s = r.loader;
if ("function" == typeof (null == s ? void 0 : s.getResponseHeader)) {
var o = s.getResponseHeader("Retry-After");
o && (a = 1e3 * parseFloat(o))
}
r.log("Steering manifest " + e.url + " rate limited")
}
},
onTimeout: function(t, e, i) {
r.log("Timeout loading steering manifest (" + e.url + ")"),
r.scheduleRefresh(r.uri || e.url)
}
};
this.log("Requesting steering manifest: " + e),
this.loader.load(s, u, h)
}
,
e.scheduleRefresh = function(t, e) {
var r = this;
void 0 === e && (e = 1e3 * this.timeToLoad),
self.clearTimeout(this.reloadTimer),
this.reloadTimer = self.setTimeout((function() {
r.loadSteeringManifest(t)
}
), e)
}
,
t
}();
function Oa(t, e, r, i) {
t && Object.keys(e).forEach((function(n) {
var a = t.filter((function(t) {
return t.groupId === n
}
)).map((function(t) {
var a = o({}, t);
return a.details = void 0,
a.attrs = new P(a.attrs),
a.url = a.attrs.URI = Na(t.url, t.attrs["STABLE-RENDITION-ID"], "PER-RENDITION-URIS", r),
a.groupId = a.attrs["GROUP-ID"] = e[n],
a.attrs["PATHWAY-ID"] = i,
a
}
));
t.push.apply(t, a)
}
))
}
function Na(t, e, r, i) {
var n, a = i.HOST, s = i.PARAMS, o = i[r];
e && (n = null == o ? void 0 : o[e]) && (t = n);
var l = new self.URL(t);
return a && !n && (l.host = a),
s && Object.keys(s).sort().forEach((function(t) {
t && l.searchParams.set(t, s[t])
}
)),
l.href
}
var Ua = /^age:\s*[\d.]+\s*$/im
, Ba = function() {
function t(t) {
this.xhrSetup = void 0,
this.requestTimeout = void 0,
this.retryTimeout = void 0,
this.retryDelay = void 0,
this.config = null,
this.callbacks = null,
this.context = void 0,
this.loader = null,
this.stats = void 0,
this.xhrSetup = t && t.xhrSetup || null,
this.stats = new M,
this.retryDelay = 0
}
var e = t.prototype;
return e.destroy = function() {
this.callbacks = null,
this.abortInternal(),
this.loader = null,
this.config = null
}
,
e.abortInternal = function() {
var t = this.loader;
self.clearTimeout(this.requestTimeout),
self.clearTimeout(this.retryTimeout),
t && (t.onreadystatechange = null,
t.onprogress = null,
4 !== t.readyState && (this.stats.aborted = !0,
t.abort()))
}
,
e.abort = function() {
var t;
this.abortInternal(),
null != (t = this.callbacks) && t.onAbort && this.callbacks.onAbort(this.stats, this.context, this.loader)
}
,
e.load = function(t, e, r) {
if (this.stats.loading.start)
throw new Error("Loader can only be used once.");
this.stats.loading.start = self.performance.now(),
this.context = t,
this.config = e,
this.callbacks = r,
this.loadInternal()
}
,
e.loadInternal = function() {
var t = this
, e = this.config
, r = this.context;
if (e) {
var i = this.loader = new self.XMLHttpRequest
, n = this.stats;
n.loading.first = 0,
n.loaded = 0,
n.aborted = !1;
var a = this.xhrSetup;
a ? Promise.resolve().then((function() {
if (!t.stats.aborted)
return a(i, r.url)
}
)).catch((function(t) {
return i.open("GET", r.url, !0),
a(i, r.url)
}
)).then((function() {
t.stats.aborted || t.openAndSendXhr(i, r, e)
}
)).catch((function(e) {
t.callbacks.onError({
code: i.status,
text: e.message
}, r, i, n)
}
)) : this.openAndSendXhr(i, r, e)
}
}
,
e.openAndSendXhr = function(t, e, r) {
t.readyState || t.open("GET", e.url, !0);
var i = this.context.headers
, n = r.loadPolicy
, a = n.maxTimeToFirstByteMs
, s = n.maxLoadTimeMs;
if (i)
for (var o in i)
t.setRequestHeader(o, i[o]);
e.rangeEnd && t.setRequestHeader("Range", "bytes=" + e.rangeStart + "-" + (e.rangeEnd - 1)),
t.onreadystatechange = this.readystatechange.bind(this),
t.onprogress = this.loadprogress.bind(this),
t.responseType = e.responseType,
self.clearTimeout(this.requestTimeout),
r.timeout = a && E(a) ? a : s,
this.requestTimeout = self.setTimeout(this.loadtimeout.bind(this), r.timeout),
t.send()
}
,
e.readystatechange = function() {
var t = this.context
, e = this.loader
, r = this.stats;
if (t && e) {
var i = e.readyState
, n = this.config;
if (!r.aborted && i >= 2 && (0 === r.loading.first && (r.loading.first = Math.max(self.performance.now(), r.loading.start),
n.timeout !== n.loadPolicy.maxLoadTimeMs && (self.clearTimeout(this.requestTimeout),
n.timeout = n.loadPolicy.maxLoadTimeMs,
this.requestTimeout = self.setTimeout(this.loadtimeout.bind(this), n.loadPolicy.maxLoadTimeMs - (r.loading.first - r.loading.start)))),
4 === i)) {
self.clearTimeout(this.requestTimeout),
e.onreadystatechange = null,
e.onprogress = null;
var a = e.status
, s = "text" !== e.responseType;
if (a >= 200 && a < 300 && (s && e.response || null !== e.responseText)) {
r.loading.end = Math.max(self.performance.now(), r.loading.first);
var o = s ? e.response : e.responseText
, l = "arraybuffer" === e.responseType ? o.byteLength : o.length;
if (r.loaded = r.total = l,
r.bwEstimate = 8e3 * r.total / (r.loading.end - r.loading.first),
!this.callbacks)
return;
var u = this.callbacks.onProgress;
if (u && u(r, t, o, e),
!this.callbacks)
return;
var h = {
url: e.responseURL,
data: o,
code: a
};
this.callbacks.onSuccess(h, r, t, e)
} else {
var d = n.loadPolicy.errorRetry;
ze(d, r.retry, !1, a) ? this.retry(d) : (w.error(a + " while loading " + t.url),
this.callbacks.onError({
code: a,
text: e.statusText
}, t, e, r))
}
}
}
}
,
e.loadtimeout = function() {
var t, e = null == (t = this.config) ? void 0 : t.loadPolicy.timeoutRetry;
if (ze(e, this.stats.retry, !0))
this.retry(e);
else {
w.warn("timeout while loading " + this.context.url);
var r = this.callbacks;
r && (this.abortInternal(),
r.onTimeout(this.stats, this.context, this.loader))
}
}
,
e.retry = function(t) {
var e = this.context
, r = this.stats;
this.retryDelay = qe(t, r.retry),
r.retry++,
w.warn((status ? "HTTP Status " + status : "Timeout") + " while loading " + e.url + ", retrying " + r.retry + "/" + t.maxNumRetry + " in " + this.retryDelay + "ms"),
this.abortInternal(),
this.loader = null,
self.clearTimeout(this.retryTimeout),
this.retryTimeout = self.setTimeout(this.loadInternal.bind(this), this.retryDelay)
}
,
e.loadprogress = function(t) {
var e = this.stats;
e.loaded = t.loaded,
t.lengthComputable && (e.total = t.total)
}
,
e.getCacheAge = function() {
var t = null;
if (this.loader && Ua.test(this.loader.getAllResponseHeaders())) {
var e = this.loader.getResponseHeader("age");
t = e ? parseFloat(e) : null
}
return t
}
,
e.getResponseHeader = function(t) {
return this.loader && new RegExp("^" + t + ":\\s*[\\d.]+\\s*$","im").test(this.loader.getAllResponseHeaders()) ? this.loader.getResponseHeader(t) : null
}
,
t
}()
, Ga = /(\d+)-(\d+)\/(\d+)/
, Ka = function() {
function t(t) {
this.fetchSetup = void 0,
this.requestTimeout = void 0,
this.request = void 0,
this.response = void 0,
this.controller = void 0,
this.context = void 0,
this.config = null,
this.callbacks = null,
this.stats = void 0,
this.loader = null,
this.fetchSetup = t.fetchSetup || Ha,
this.controller = new self.AbortController,
this.stats = new M
}
var e = t.prototype;
return e.destroy = function() {
this.loader = this.callbacks = null,
this.abortInternal()
}
,
e.abortInternal = function() {
var t = this.response;
null != t && t.ok || (this.stats.aborted = !0,
this.controller.abort())
}
,
e.abort = function() {
var t;
this.abortInternal(),
null != (t = this.callbacks) && t.onAbort && this.callbacks.onAbort(this.stats, this.context, this.response)
}
,
e.load = function(t, e, r) {
var i = this
, n = this.stats;
if (n.loading.start)
throw new Error("Loader can only be used once.");
n.loading.start = self.performance.now();
var a = function(t, e) {
var r = {
method: "GET",
mode: "cors",
credentials: "same-origin",
signal: e,
headers: new self.Headers(o({}, t.headers))
};
return t.rangeEnd && r.headers.set("Range", "bytes=" + t.rangeStart + "-" + String(t.rangeEnd - 1)),
r
}(t, this.controller.signal)
, s = r.onProgress
, l = "arraybuffer" === t.responseType
, u = l ? "byteLength" : "length"
, h = e.loadPolicy
, d = h.maxTimeToFirstByteMs
, c = h.maxLoadTimeMs;
this.context = t,
this.config = e,
this.callbacks = r,
this.request = this.fetchSetup(t, a),
self.clearTimeout(this.requestTimeout),
e.timeout = d && E(d) ? d : c,
this.requestTimeout = self.setTimeout((function() {
i.abortInternal(),
r.onTimeout(n, t, i.response)
}
), e.timeout),
self.fetch(this.request).then((function(a) {
i.response = i.loader = a;
var o = Math.max(self.performance.now(), n.loading.start);
if (self.clearTimeout(i.requestTimeout),
e.timeout = c,
i.requestTimeout = self.setTimeout((function() {
i.abortInternal(),
r.onTimeout(n, t, i.response)
}
), c - (o - n.loading.start)),
!a.ok) {
var u = a.status
, h = a.statusText;
throw new Va(h || "fetch, bad network response",u,a)
}
return n.loading.first = o,
n.total = function(t) {
var e = t.get("Content-Range");
if (e) {
var r = function(t) {
var e = Ga.exec(t);
if (e)
return parseInt(e[2]) - parseInt(e[1]) + 1
}(e);
if (E(r))
return r
}
var i = t.get("Content-Length");
if (i)
return parseInt(i)
}(a.headers) || n.total,
s && E(e.highWaterMark) ? i.loadProgressively(a, n, t, e.highWaterMark, s) : l ? a.arrayBuffer() : "json" === t.responseType ? a.json() : a.text()
}
)).then((function(a) {
var o = i.response;
self.clearTimeout(i.requestTimeout),
n.loading.end = Math.max(self.performance.now(), n.loading.first);
var l = a[u];
l && (n.loaded = n.total = l);
var h = {
url: o.url,
data: a,
code: o.status
};
s && !E(e.highWaterMark) && s(n, t, a, o),
r.onSuccess(h, n, t, o)
}
)).catch((function(e) {
if (self.clearTimeout(i.requestTimeout),
!n.aborted) {
var a = e && e.code || 0
, s = e ? e.message : null;
r.onError({
code: a,
text: s
}, t, e ? e.details : null, n)
}
}
))
}
,
e.getCacheAge = function() {
var t = null;
if (this.response) {
var e = this.response.headers.get("age");
t = e ? parseFloat(e) : null
}
return t
}
,
e.getResponseHeader = function(t) {
return this.response ? this.response.headers.get(t) : null
}
,
e.loadProgressively = function(t, e, r, i, n) {
void 0 === i && (i = 0);
var a = new mn
, s = t.body.getReader();
return function o() {
return s.read().then((function(s) {
if (s.done)
return a.dataLength && n(e, r, a.flush(), t),
Promise.resolve(new ArrayBuffer(0));
var l = s.value
, u = l.length;
return e.loaded += u,
u < i || a.dataLength ? (a.push(l),
a.dataLength >= i && n(e, r, a.flush(), t)) : n(e, r, l, t),
o()
}
)).catch((function() {
return Promise.reject()
}
))
}()
}
,
t
}();
function Ha(t, e) {
return new self.Request(t.url,e)
}
var Va = function(t) {
function e(e, r, i) {
var n;
return (n = t.call(this, e) || this).code = void 0,
n.details = void 0,
n.code = r,
n.details = i,
n
}
return l(e, t),
e
}(f(Error))
, Ya = /\s/
, Wa = i(i({
autoStartLoad: !0,
startPosition: -1,
defaultAudioCodec: void 0,
debug: !1,
capLevelOnFPSDrop: !1,
capLevelToPlayerSize: !1,
ignoreDevicePixelRatio: !1,
initialLiveManifestSize: 1,
maxBufferLength: 30,
backBufferLength: 1 / 0,
maxBufferSize: 6e7,
maxBufferHole: .1,
highBufferWatchdogPeriod: 2,
nudgeOffset: .1,
nudgeMaxRetry: 3,
maxFragLookUpTolerance: .25,
liveSyncDurationCount: 3,
liveMaxLatencyDurationCount: 1 / 0,
liveSyncDuration: void 0,
liveMaxLatencyDuration: void 0,
maxLiveSyncPlaybackRate: 1,
liveDurationInfinity: !1,
liveBackBufferLength: null,
maxMaxBufferLength: 600,
enableWorker: !0,
workerPath: null,
enableSoftwareAES: !0,
startLevel: void 0,
startFragPrefetch: !1,
fpsDroppedMonitoringPeriod: 5e3,
fpsDroppedMonitoringThreshold: .2,
appendErrorMaxRetry: 3,
loader: Ba,
fLoader: void 0,
pLoader: void 0,
xhrSetup: void 0,
licenseXhrSetup: void 0,
licenseResponseCallback: void 0,
abrController: vn,
bufferController: In,
capLevelController: Ra,
errorController: lr,
fpsController: Aa,
stretchShortVideoTrack: !1,
maxAudioFramesDrift: 1,
forceKeyFrameOnDiscontinuity: !0,
abrEwmaFastLive: 3,
abrEwmaSlowLive: 9,
abrEwmaFastVoD: 3,
abrEwmaSlowVoD: 9,
abrEwmaDefaultEstimate: 5e5,
abrBandWidthFactor: .95,
abrBandWidthUpFactor: .7,
abrMaxWithRealBitrate: !1,
maxStarvationDelay: 4,
maxLoadingDelay: 4,
minAutoBitrate: 0,
emeEnabled: !1,
widevineLicenseUrl: void 0,
drmSystems: {},
drmSystemOptions: {},
requestMediaKeySystemAccessFunc: et,
testBandwidth: !0,
progressive: !1,
lowLatencyMode: !0,
cmcd: void 0,
enableDateRangeMetadataCues: !0,
enableEmsgMetadataCues: !0,
enableID3MetadataCues: !0,
certLoadPolicy: {
default: {
maxTimeToFirstByteMs: 8e3,
maxLoadTimeMs: 2e4,
timeoutRetry: null,
errorRetry: null
}
},
keyLoadPolicy: {
default: {
maxTimeToFirstByteMs: 8e3,
maxLoadTimeMs: 2e4,
timeoutRetry: {
maxNumRetry: 1,
retryDelayMs: 1e3,
maxRetryDelayMs: 2e4,
backoff: "linear"
},
errorRetry: {
maxNumRetry: 8,
retryDelayMs: 1e3,
maxRetryDelayMs: 2e4,
backoff: "linear"
}
}
},
manifestLoadPolicy: {
default: {
maxTimeToFirstByteMs: 1 / 0,
maxLoadTimeMs: 2e4,
timeoutRetry: {
maxNumRetry: 2,
retryDelayMs: 0,
maxRetryDelayMs: 0
},
errorRetry: {
maxNumRetry: 1,
retryDelayMs: 1e3,
maxRetryDelayMs: 8e3
}
}
},
playlistLoadPolicy: {
default: {
maxTimeToFirstByteMs: 1e4,
maxLoadTimeMs: 2e4,
timeoutRetry: {
maxNumRetry: 2,
retryDelayMs: 0,
maxRetryDelayMs: 0
},
errorRetry: {
maxNumRetry: 2,
retryDelayMs: 1e3,
maxRetryDelayMs: 8e3
}
}
},
fragLoadPolicy: {
default: {
maxTimeToFirstByteMs: 1e4,
maxLoadTimeMs: 12e4,
timeoutRetry: {
maxNumRetry: 4,
retryDelayMs: 0,
maxRetryDelayMs: 0
},
errorRetry: {
maxNumRetry: 6,
retryDelayMs: 1e3,
maxRetryDelayMs: 8e3
}
}
},
steeringManifestLoadPolicy: {
default: {
maxTimeToFirstByteMs: 1e4,
maxLoadTimeMs: 2e4,
timeoutRetry: {
maxNumRetry: 2,
retryDelayMs: 0,
maxRetryDelayMs: 0
},
errorRetry: {
maxNumRetry: 1,
retryDelayMs: 1e3,
maxRetryDelayMs: 8e3
}
}
},
manifestLoadingTimeOut: 1e4,
manifestLoadingMaxRetry: 1,
manifestLoadingRetryDelay: 1e3,
manifestLoadingMaxRetryTimeout: 64e3,
levelLoadingTimeOut: 1e4,
levelLoadingMaxRetry: 4,
levelLoadingRetryDelay: 1e3,
levelLoadingMaxRetryTimeout: 64e3,
fragLoadingTimeOut: 2e4,
fragLoadingMaxRetry: 6,
fragLoadingRetryDelay: 1e3,
fragLoadingMaxRetryTimeout: 64e3
}, {
cueHandler: {
newCue: function(t, e, r, i) {
for (var n, a, s, o, l, u = [], h = self.VTTCue || self.TextTrackCue, d = 0; d < i.rows.length; d++)
if (s = !0,
o = 0,
l = "",
!(n = i.rows[d]).isEmpty()) {
for (var c, f = 0; f < n.chars.length; f++)
Ya.test(n.chars[f].uchar) && s ? o++ : (l += n.chars[f].uchar,
s = !1);
n.cueStartTime = e,
e === r && (r += 1e-4),
o >= 16 ? o-- : o++;
var g = ia(l.trim())
, v = la(e, r, g);
null != t && null != (c = t.cues) && c.getCueById(v) || ((a = new h(e,r,g)).id = v,
a.line = d + 1,
a.align = "left",
a.position = 10 + Math.min(80, 10 * Math.floor(8 * o / 32)),
u.push(a))
}
return t && u.length && (u.sort((function(t, e) {
return "auto" === t.line || "auto" === e.line ? 0 : t.line > 8 && e.line > 8 ? e.line - t.line : t.line - e.line
}
)),
u.forEach((function(e) {
return Se(t, e)
}
))),
u
}
},
enableWebVTT: !0,
enableIMSC1: !0,
enableCEA708Captions: !0,
captionsTextTrack1Label: "English",
captionsTextTrack1LanguageCode: "en",
captionsTextTrack2Label: "Spanish",
captionsTextTrack2LanguageCode: "es",
captionsTextTrack3Label: "Unknown CC",
captionsTextTrack3LanguageCode: "",
captionsTextTrack4Label: "Unknown CC",
captionsTextTrack4LanguageCode: "",
renderTextTracksNatively: !0
}), {}, {
subtitleStreamController: Sn,
subtitleTrackController: Rn,
timelineController: Sa,
audioStreamController: pn,
audioTrackController: yn,
emeController: ba,
cmcdController: Fa,
contentSteeringController: Ma
});
function ja(t) {
return t && "object" == typeof t ? Array.isArray(t) ? t.map(ja) : Object.keys(t).reduce((function(e, r) {
return e[r] = ja(t[r]),
e
}
), {}) : t
}
function qa(t) {
var e = t.loader;
e !== Ka && e !== Ba ? (w.log("[config]: Custom loader detected, cannot enable progressive streaming"),
t.progressive = !1) : function() {
if (self.fetch && self.AbortController && self.ReadableStream && self.Request)
try {
return new self.ReadableStream({}),
!0
} catch (t) {}
return !1
}() && (t.loader = Ka,
t.progressive = !0,
t.enableSoftwareAES = !0,
w.log("[config]: Progressive streaming enabled, using FetchLoader"))
}
var Xa = function() {
function t(e) {
void 0 === e && (e = {}),
this.config = void 0,
this.userConfig = void 0,
this.coreComponents = void 0,
this.networkControllers = void 0,
this._emitter = new an,
this._autoLevelCapping = void 0,
this._maxHdcpLevel = null,
this.abrController = void 0,
this.bufferController = void 0,
this.capLevelController = void 0,
this.latencyController = void 0,
this.levelController = void 0,
this.streamController = void 0,
this.audioTrackController = void 0,
this.subtitleTrackController = void 0,
this.emeController = void 0,
this.cmcdController = void 0,
this._media = null,
this.url = null,
I(e.debug || !1, "Hls instance");
var r = this.config = function(t, e) {
if ((e.liveSyncDurationCount || e.liveMaxLatencyDurationCount) && (e.liveSyncDuration || e.liveMaxLatencyDuration))
throw new Error("Illegal hls.js config: don't mix up liveSyncDurationCount/liveMaxLatencyDurationCount and liveSyncDuration/liveMaxLatencyDuration");
if (void 0 !== e.liveMaxLatencyDurationCount && (void 0 === e.liveSyncDurationCount || e.liveMaxLatencyDurationCount <= e.liveSyncDurationCount))
throw new Error('Illegal hls.js config: "liveMaxLatencyDurationCount" must be greater than "liveSyncDurationCount"');
if (void 0 !== e.liveMaxLatencyDuration && (void 0 === e.liveSyncDuration || e.liveMaxLatencyDuration <= e.liveSyncDuration))
throw new Error('Illegal hls.js config: "liveMaxLatencyDuration" must be greater than "liveSyncDuration"');
var r = ja(t)
, n = ["TimeOut", "MaxRetry", "RetryDelay", "MaxRetryTimeout"];
return ["manifest", "level", "frag"].forEach((function(t) {
var i = ("level" === t ? "playlist" : t) + "LoadPolicy"
, a = void 0 === e[i]
, s = [];
n.forEach((function(n) {
var o = t + "Loading" + n
, l = e[o];
if (void 0 !== l && a) {
s.push(o);
var u = r[i].default;
switch (e[i] = {
default: u
},
n) {
case "TimeOut":
u.maxLoadTimeMs = l,
u.maxTimeToFirstByteMs = l;
break;
case "MaxRetry":
u.errorRetry.maxNumRetry = l,
u.timeoutRetry.maxNumRetry = l;
break;
case "RetryDelay":
u.errorRetry.retryDelayMs = l,
u.timeoutRetry.retryDelayMs = l;
break;
case "MaxRetryTimeout":
u.errorRetry.maxRetryDelayMs = l,
u.timeoutRetry.maxRetryDelayMs = l
}
}
}
)),
s.length && w.warn('hls.js config: "' + s.join('", "') + '" setting(s) are deprecated, use "' + i + '": ' + JSON.stringify(e[i]))
}
)),
i(i({}, r), e)
}(t.DefaultConfig, e);
this.userConfig = e,
this._autoLevelCapping = -1,
r.progressive && qa(r);
var n = r.abrController
, a = r.bufferController
, s = r.capLevelController
, o = r.errorController
, l = r.fpsController
, u = new o(this)
, h = this.abrController = new n(this)
, d = this.bufferController = new a(this)
, c = this.capLevelController = new s(this)
, f = new l(this)
, g = new Te(this)
, v = new Ce(this)
, m = r.contentSteeringController
, p = m ? new m(this) : null
, y = this.levelController = new hr(this,p)
, T = new pr(this)
, E = new kr(this.config)
, L = this.streamController = new cn(this,T,E);
c.setStreamController(L),
f.setStreamController(L);
var R = [g, y, L];
p && R.splice(1, 0, p),
this.networkControllers = R;
var A = [h, d, c, f, v, T];
this.audioTrackController = this.createController(r.audioTrackController, R);
var k = r.audioStreamController;
k && R.push(new k(this,T,E)),
this.subtitleTrackController = this.createController(r.subtitleTrackController, R);
var b = r.subtitleStreamController;
b && R.push(new b(this,T,E)),
this.createController(r.timelineController, A),
E.emeController = this.emeController = this.createController(r.emeController, A),
this.cmcdController = this.createController(r.cmcdController, A),
this.latencyController = this.createController(_e, A),
this.coreComponents = A,
R.push(u);
var D = u.onErrorOut;
"function" == typeof D && this.on(S.ERROR, D, u)
}
t.isSupported = function() {
return function() {
var t = qt();
if (!t)
return !1;
var e = Zr()
, r = t && "function" == typeof t.isTypeSupported && t.isTypeSupported('video/mp4; codecs="avc1.42E01E,mp4a.40.2"')
, i = !e || e.prototype && "function" == typeof e.prototype.appendBuffer && "function" == typeof e.prototype.remove;
return !!r && !!i
}()
}
;
var e = t.prototype;
return e.createController = function(t, e) {
if (t) {
var r = new t(this);
return e && e.push(r),
r
}
return null
}
,
e.on = function(t, e, r) {
void 0 === r && (r = this),
this._emitter.on(t, e, r)
}
,
e.once = function(t, e, r) {
void 0 === r && (r = this),
this._emitter.once(t, e, r)
}
,
e.removeAllListeners = function(t) {
this._emitter.removeAllListeners(t)
}
,
e.off = function(t, e, r, i) {
void 0 === r && (r = this),
this._emitter.off(t, e, r, i)
}
,
e.listeners = function(t) {
return this._emitter.listeners(t)
}
,
e.emit = function(t, e, r) {
return this._emitter.emit(t, e, r)
}
,
e.trigger = function(t, e) {
if (this.config.debug)
return this.emit(t, t, e);
try {
return this.emit(t, t, e)
} catch (e) {
w.error("An internal error happened while handling event " + t + '. Error message: "' + e.message + '". Here is a stacktrace:', e),
this.trigger(S.ERROR, {
type: L.OTHER_ERROR,
details: R.INTERNAL_EXCEPTION,
fatal: !1,
event: t,
error: e
})
}
return !1
}
,
e.listenerCount = function(t) {
return this._emitter.listenerCount(t)
}
,
e.destroy = function() {
w.log("destroy"),
this.trigger(S.DESTROYING, void 0),
this.detachMedia(),
this.removeAllListeners(),
this._autoLevelCapping = -1,
this.url = null,
this.networkControllers.forEach((function(t) {
return t.destroy()
}
)),
this.networkControllers.length = 0,
this.coreComponents.forEach((function(t) {
return t.destroy()
}
)),
this.coreComponents.length = 0;
var t = this.config;
t.xhrSetup = t.fetchSetup = void 0,
this.userConfig = null
}
,
e.attachMedia = function(t) {
w.log("attachMedia"),
this._media = t,
this.trigger(S.MEDIA_ATTACHING, {
media: t
})
}
,
e.detachMedia = function() {
w.log("detachMedia"),
this.trigger(S.MEDIA_DETACHING, void 0),
this._media = null
}
,
e.loadSource = function(t) {
this.stopLoad();
var e = this.media
, r = this.url
, i = this.url = T.buildAbsoluteURL(self.location.href, t, {
alwaysNormalize: !0
});
w.log("loadSource:" + i),
e && r && (r !== i || this.bufferController.hasSourceTypes()) && (this.detachMedia(),
this.attachMedia(e)),
this.trigger(S.MANIFEST_LOADING, {
url: t
})
}
,
e.startLoad = function(t) {
void 0 === t && (t = -1),
w.log("startLoad(" + t + ")"),
this.networkControllers.forEach((function(e) {
e.startLoad(t)
}
))
}
,
e.stopLoad = function() {
w.log("stopLoad"),
this.networkControllers.forEach((function(t) {
t.stopLoad()
}
))
}
,
e.swapAudioCodec = function() {
w.log("swapAudioCodec"),
this.streamController.swapAudioCodec()
}
,
e.recoverMediaError = function() {
w.log("recoverMediaError");
var t = this._media;
this.detachMedia(),
t && this.attachMedia(t)
}
,
e.removeLevel = function(t, e) {
void 0 === e && (e = 0),
this.levelController.removeLevel(t, e)
}
,
a(t, [{
key: "levels",
get: function() {
var t = this.levelController.levels;
return t || []
}
}, {
key: "currentLevel",
get: function() {
return this.streamController.currentLevel
},
set: function(t) {
w.log("set currentLevel:" + t),
this.loadLevel = t,
this.abrController.clearTimer(),
this.streamController.immediateLevelSwitch()
}
}, {
key: "nextLevel",
get: function() {
return this.streamController.nextLevel
},
set: function(t) {
w.log("set nextLevel:" + t),
this.levelController.manualLevel = t,
this.streamController.nextLevelSwitch()
}
}, {
key: "loadLevel",
get: function() {
return this.levelController.level
},
set: function(t) {
w.log("set loadLevel:" + t),
this.levelController.manualLevel = t
}
}, {
key: "nextLoadLevel",
get: function() {
return this.levelController.nextLoadLevel
},
set: function(t) {
this.levelController.nextLoadLevel = t
}
}, {
key: "firstLevel",
get: function() {
return Math.max(this.levelController.firstLevel, this.minAutoLevel)
},
set: function(t) {
w.log("set firstLevel:" + t),
this.levelController.firstLevel = t
}
}, {
key: "startLevel",
get: function() {
return this.levelController.startLevel
},
set: function(t) {
w.log("set startLevel:" + t),
-1 !== t && (t = Math.max(t, this.minAutoLevel)),
this.levelController.startLevel = t
}
}, {
key: "capLevelToPlayerSize",
get: function() {
return this.config.capLevelToPlayerSize
},
set: function(t) {
var e = !!t;
e !== this.config.capLevelToPlayerSize && (e ? this.capLevelController.startCapping() : (this.capLevelController.stopCapping(),
this.autoLevelCapping = -1,
this.streamController.nextLevelSwitch()),
this.config.capLevelToPlayerSize = e)
}
}, {
key: "autoLevelCapping",
get: function() {
return this._autoLevelCapping
},
set: function(t) {
this._autoLevelCapping !== t && (w.log("set autoLevelCapping:" + t),
this._autoLevelCapping = t)
}
}, {
key: "bandwidthEstimate",
get: function() {
var t = this.abrController.bwEstimator;
return t ? t.getEstimate() : NaN
}
}, {
key: "ttfbEstimate",
get: function() {
var t = this.abrController.bwEstimator;
return t ? t.getEstimateTTFB() : NaN
}
}, {
key: "maxHdcpLevel",
get: function() {
return this._maxHdcpLevel
},
set: function(t) {
Pe.indexOf(t) > -1 && (this._maxHdcpLevel = t)
}
}, {
key: "autoLevelEnabled",
get: function() {
return -1 === this.levelController.manualLevel
}
}, {
key: "manualLevel",
get: function() {
return this.levelController.manualLevel
}
}, {
key: "minAutoLevel",
get: function() {
var t = this.levels
, e = this.config.minAutoBitrate;
if (!t)
return 0;
for (var r = t.length, i = 0; i < r; i++)
if (t[i].maxBitrate >= e)
return i;
return 0
}
}, {
key: "maxAutoLevel",
get: function() {
var t, e = this.levels, r = this.autoLevelCapping, i = this.maxHdcpLevel;
if (t = -1 === r && e && e.length ? e.length - 1 : r,
i)
for (var n = t; n--; ) {
var a = e[n].attrs["HDCP-LEVEL"];
if (a && a <= i)
return n
}
return t
}
}, {
key: "nextAutoLevel",
get: function() {
return Math.min(Math.max(this.abrController.nextAutoLevel, this.minAutoLevel), this.maxAutoLevel)
},
set: function(t) {
this.abrController.nextAutoLevel = Math.max(this.minAutoLevel, t)
}
}, {
key: "playingDate",
get: function() {
return this.streamController.currentProgramDateTime
}
}, {
key: "mainForwardBufferInfo",
get: function() {
return this.streamController.getMainFwdBufferInfo()
}
}, {
key: "audioTracks",
get: function() {
var t = this.audioTrackController;
return t ? t.audioTracks : []
}
}, {
key: "audioTrack",
get: function() {
var t = this.audioTrackController;
return t ? t.audioTrack : -1
},
set: function(t) {
var e = this.audioTrackController;
e && (e.audioTrack = t)
}
}, {
key: "subtitleTracks",
get: function() {
var t = this.subtitleTrackController;
return t ? t.subtitleTracks : []
}
}, {
key: "subtitleTrack",
get: function() {
var t = this.subtitleTrackController;
return t ? t.subtitleTrack : -1
},
set: function(t) {
var e = this.subtitleTrackController;
e && (e.subtitleTrack = t)
}
}, {
key: "media",
get: function() {
return this._media
}
}, {
key: "subtitleDisplay",
get: function() {
var t = this.subtitleTrackController;
return !!t && t.subtitleDisplay
},
set: function(t) {
var e = this.subtitleTrackController;
e && (e.subtitleDisplay = t)
}
}, {
key: "lowLatencyMode",
get: function() {
return this.config.lowLatencyMode
},
set: function(t) {
this.config.lowLatencyMode = t
}
}, {
key: "liveSyncPosition",
get: function() {
return this.latencyController.liveSyncPosition
}
}, {
key: "latency",
get: function() {
return this.latencyController.latency
}
}, {
key: "maxLatency",
get: function() {
return this.latencyController.maxLatency
}
}, {
key: "targetLatency",
get: function() {
return this.latencyController.targetLatency
}
}, {
key: "drift",
get: function() {
return this.latencyController.drift
}
}, {
key: "forceStartLoad",
get: function() {
return this.streamController.forceStartLoad
}
}], [{
key: "version",
get: function() {
return "1.4.12"
}
}, {
key: "Events",
get: function() {
return S
}
}, {
key: "ErrorTypes",
get: function() {
return L
}
}, {
key: "ErrorDetails",
get: function() {
return R
}
}, {
key: "DefaultConfig",
get: function() {
return t.defaultConfig ? t.defaultConfig : Wa
},
set: function(e) {
t.defaultConfig = e
}
}]),
t
}();
return Xa.defaultConfig = void 0,
Xa
}
,
"object" == typeof exports && "undefined" != typeof module ? module.exports = i() : "function" == typeof define && define.amd ? define(i) : (r = "undefined" != typeof globalThis ? globalThis : r || self).Hls = i()
}(!1);
//# sourceMappingURL=hls.min.js.map
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