biliob/Web/js/flv.min.js

8 lines
169 KiB
JavaScript
Raw Normal View History

2021-04-01 14:44:02 +08:00
!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var t;t="undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this,t.flvjs=e()}}(function(){var e;return function e(t,n,i){function r(a,o){if(!n[a]){if(!t[a]){var u="function"==typeof require&&require;if(!o&&u)return u(a,!0);if(s)return s(a,!0);var l=new Error("Cannot find module '"+a+"'");throw l.code="MODULE_NOT_FOUND",l}var d=n[a]={exports:{}};t[a][0].call(d.exports,function(e){var n=t[a][1][e];return r(n||e)},d,d.exports,e,t,n,i)}return n[a].exports}for(var s="function"==typeof require&&require,a=0;a<i.length;a++)r(i[a]);return r}({1:[function(t,n,i){(function(r,s){!function(t,r){"object"==typeof i&&void 0!==n?n.exports=r():"function"==typeof e&&e.amd?e(r):t.ES6Promise=r()}(this,function(){"use strict";function e(e){var t=typeof e;return null!==e&&("object"===t||"function"===t)}function n(e){return"function"==typeof e}function i(e){V=e}function a(e){z=e}function o(){return void 0!==G?function(){G(l)}:u()}function u(){var e=setTimeout;return function(){return e(l,1)}}function l(){for(var e=0;e<F;e+=2){(0,Y[e])(Y[e+1]),Y[e]=void 0,Y[e+1]=void 0}F=0}function d(e,t){var n=this,i=new this.constructor(f);void 0===i[Q]&&C(i);var r=n._state;if(r){var s=arguments[r-1];z(function(){return w(r,i,s,n._result)})}else L(n,i,e,t);return i}function h(e){var t=this;if(e&&"object"==typeof e&&e.constructor===t)return e;var n=new t(f);return E(n,e),n}function f(){}function c(){return new TypeError("You cannot resolve a promise with itself")}function _(){return new TypeError("A promises callback cannot return that same promise.")}function m(e){try{return e.then}catch(e){return te.error=e,te}}function p(e,t,n,i){try{e.call(t,n,i)}catch(e){return e}}function v(e,t,n){z(function(e){var i=!1,r=p(n,t,function(n){i||(i=!0,t!==n?E(e,n):S(e,n))},function(t){i||(i=!0,k(e,t))},"Settle: "+(e._label||" unknown promise"));!i&&r&&(i=!0,k(e,r))},e)}function g(e,t){t._state===$?S(e,t._result):t._state===ee?k(e,t._result):L(t,void 0,function(t){return E(e,t)},function(t){return k(e,t)})}function y(e,t,i){t.constructor===e.constructor&&i===d&&t.constructor.resolve===h?g(e,t):i===te?(k(e,te.error),te.error=null):void 0===i?S(e,t):n(i)?v(e,t,i):S(e,t)}function E(t,n){t===n?k(t,c()):e(n)?y(t,n,m(n)):S(t,n)}function b(e){e._onerror&&e._onerror(e._result),R(e)}function S(e,t){e._state===J&&(e._result=t,e._state=$,0!==e._subscribers.length&&z(R,e))}function k(e,t){e._state===J&&(e._state=ee,e._result=t,z(b,e))}function L(e,t,n,i){var r=e._subscribers,s=r.length;e._onerror=null,r[s]=t,r[s+$]=n,r[s+ee]=i,0===s&&e._state&&z(R,e)}function R(e){var t=e._subscribers,n=e._state;if(0!==t.length){for(var i=void 0,r=void 0,s=e._result,a=0;a<t.length;a+=3)i=t[a],r=t[a+n],i?w(n,i,r,s):r(s);e._subscribers.length=0}}function A(e,t){try{return e(t)}catch(e){return te.error=e,te}}function w(e,t,i,r){var s=n(i),a=void 0,o=void 0,u=void 0,l=void 0;if(s){if(a=A(i,r),a===te?(l=!0,o=a.error,a.error=null):u=!0,t===a)return void k(t,_())}else a=r,u=!0;t._state!==J||(s&&u?E(t,a):l?k(t,o):e===$?S(t,a):e===ee&&k(t,a))}function T(e,t){try{t(function(t){E(e,t)},function(t){k(e,t)})}catch(t){k(e,t)}}function O(){return ne++}function C(e){e[Q]=ne++,e._state=void 0,e._result=void 0,e._subscribers=[]}function I(){return new Error("Array Methods must be provided an Array")}function D(e){return new ie(this,e).promise}function x(e){var t=this;return new t(N(e)?function(n,i){for(var r=e.length,s=0;s<r;s++)t.resolve(e[s]).then(n,i)}:function(e,t){return t(new TypeError("You must pass an array to race."))})}function M(e){var t=this,n=new t(f);return k(n,e),n}function B(){throw new TypeError("You must pass a resolver function as the first argument to the promise constructor")}function j(){throw new TypeError("Failed to construct 'Promise': Please use the 'new' operator, this object constructor cannot be called as a function.")}function P(){var e=void 0;if(void 0!==s)e=s;else if("undefined"!=typeof self)e=s
function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),a=e("events"),o=i(a),u=e("../utils/logger.js"),l=i(u),d=e("../utils/logging-control.js"),h=i(d),f=e("./transmuxing-controller.js"),c=i(f),_=e("./transmuxing-events.js"),m=i(_),p=e("./transmuxing-worker.js"),v=i(p),g=e("./media-info.js"),y=i(g),E=function(){function t(n,i){if(r(this,t),this.TAG="Transmuxer",this._emitter=new o.default,i.enableWorker&&"undefined"!=typeof Worker)try{var s=e("webworkify");this._worker=s(v.default),this._workerDestroying=!1,this._worker.addEventListener("message",this._onWorkerMessage.bind(this)),this._worker.postMessage({cmd:"init",param:[n,i]}),this.e={onLoggingConfigChanged:this._onLoggingConfigChanged.bind(this)},h.default.registerListener(this.e.onLoggingConfigChanged),this._worker.postMessage({cmd:"logging_config",param:h.default.getConfig()})}catch(e){l.default.e(this.TAG,"Error while initialize transmuxing worker, fallback to inline transmuxing"),this._worker=null,this._controller=new c.default(n,i)}else this._controller=new c.default(n,i);if(this._controller){var a=this._controller;a.on(m.default.IO_ERROR,this._onIOError.bind(this)),a.on(m.default.DEMUX_ERROR,this._onDemuxError.bind(this)),a.on(m.default.INIT_SEGMENT,this._onInitSegment.bind(this)),a.on(m.default.MEDIA_SEGMENT,this._onMediaSegment.bind(this)),a.on(m.default.LOADING_COMPLETE,this._onLoadingComplete.bind(this)),a.on(m.default.RECOVERED_EARLY_EOF,this._onRecoveredEarlyEof.bind(this)),a.on(m.default.MEDIA_INFO,this._onMediaInfo.bind(this)),a.on(m.default.METADATA_ARRIVED,this._onMetaDataArrived.bind(this)),a.on(m.default.SCRIPTDATA_ARRIVED,this._onScriptDataArrived.bind(this)),a.on(m.default.STATISTICS_INFO,this._onStatisticsInfo.bind(this)),a.on(m.default.RECOMMEND_SEEKPOINT,this._onRecommendSeekpoint.bind(this))}}return s(t,[{key:"destroy",value:function(){this._worker?this._workerDestroying||(this._workerDestroying=!0,this._worker.postMessage({cmd:"destroy"}),h.default.removeListener(this.e.onLoggingConfigChanged),this.e=null):(this._controller.destroy(),this._controller=null),this._emitter.removeAllListeners(),this._emitter=null}},{key:"on",value:function(e,t){this._emitter.addListener(e,t)}},{key:"off",value:function(e,t){this._emitter.removeListener(e,t)}},{key:"hasWorker",value:function(){return null!=this._worker}},{key:"open",value:function(){this._worker?this._worker.postMessage({cmd:"start"}):this._controller.start()}},{key:"close",value:function(){this._worker?this._worker.postMessage({cmd:"stop"}):this._controller.stop()}},{key:"seek",value:function(e){this._worker?this._worker.postMessage({cmd:"seek",param:e}):this._controller.seek(e)}},{key:"pause",value:function(){this._worker?this._worker.postMessage({cmd:"pause"}):this._controller.pause()}},{key:"resume",value:function(){this._worker?this._worker.postMessage({cmd:"resume"}):this._controller.resume()}},{key:"_onInitSegment",value:function(e,t){var n=this;Promise.resolve().then(function(){n._emitter.emit(m.default.INIT_SEGMENT,e,t)})}},{key:"_onMediaSegment",value:function(e,t){var n=this;Promise.resolve().then(function(){n._emitter.emit(m.default.MEDIA_SEGMENT,e,t)})}},{key:"_onLoadingComplete",value:function(){var e=this;Promise.resolve().then(function(){e._emitter.emit(m.default.LOADING_COMPLETE)})}},{key:"_onRecoveredEarlyEof",value:function(){var e=this;Promise.resolve().then(function(){e._emitter.emit(m.default.RECOVERED_EARLY_EOF)})}},{key:"_onMediaInfo",value:function(e){var t=this;Promise.resolve().then(function(){t._emitter.emit(m.default.MEDIA_INFO,e)})}},{key:"_onMetaDataArrived",value:function(e){var t=this;Promise.resolve().then(function(){t._emitter.emit(m.default.METADATA_ARRIVED,e)})}},{key:"_onScriptDataArrived",value:function(e){var t=this;Promise.resolve().then(function(){t._emitter.emit(m.default.SCRIPTDATA_ARRIVED,e)})}},{key:"_onStatisticsInfo",value:function(e){var t=this;Promise.resolve().then(function
h.refSampleDuration=1024/h.audioSampleRate*h.timescale,l.default.v(this.TAG,"Parsed AudioSpecificConfig"),this._isInitialMetadataDispatched()?this._dispatch&&(this._audioTrack.length||this._videoTrack.length)&&this._onDataAvailable(this._audioTrack,this._videoTrack):this._audioInitialMetadataDispatched=!0,this._dispatch=!1,this._onTrackMetadata("audio",h);var p=this._mediaInfo;p.audioCodec=h.originalCodec,p.audioSampleRate=h.audioSampleRate,p.audioChannelCount=h.channelCount,p.hasVideo?null!=p.videoCodec&&(p.mimeType='video/x-flv; codecs="'+p.videoCodec+","+p.audioCodec+'"'):p.mimeType='video/x-flv; codecs="'+p.audioCodec+'"',p.isComplete()&&this._onMediaInfo(p)}else if(1===c.packetType){var v=this._timestampBase+i,g={unit:c.data,length:c.data.byteLength,dts:v,pts:v};f.samples.push(g),f.length+=c.data.length}else l.default.e(this.TAG,"Flv: Unsupported AAC data type "+c.packetType)}else if(2===a){if(!h.codec){var y=this._parseMP3AudioData(e,t+1,n-1,!0);if(void 0==y)return;h.audioSampleRate=y.samplingRate,h.channelCount=y.channelCount,h.codec=y.codec,h.originalCodec=y.originalCodec,h.refSampleDuration=1152/h.audioSampleRate*h.timescale,l.default.v(this.TAG,"Parsed MPEG Audio Frame Header"),this._audioInitialMetadataDispatched=!0,this._onTrackMetadata("audio",h);var E=this._mediaInfo;E.audioCodec=h.codec,E.audioSampleRate=h.audioSampleRate,E.audioChannelCount=h.channelCount,E.audioDataRate=y.bitRate,E.hasVideo?null!=E.videoCodec&&(E.mimeType='video/x-flv; codecs="'+E.videoCodec+","+E.audioCodec+'"'):E.mimeType='video/x-flv; codecs="'+E.audioCodec+'"',E.isComplete()&&this._onMediaInfo(E)}var b=this._parseMP3AudioData(e,t+1,n-1,!1);if(void 0==b)return;var S=this._timestampBase+i,k={unit:b,length:b.byteLength,dts:S,pts:S};f.samples.push(k),f.length+=b.length}}}},{key:"_parseAACAudioData",value:function(e,t,n){if(n<=1)return void l.default.w(this.TAG,"Flv: Invalid AAC packet, missing AACPacketType or/and Data!");var i={},r=new Uint8Array(e,t,n);return i.packetType=r[0],0===r[0]?i.data=this._parseAACAudioSpecificConfig(e,t+1,n-1):i.data=r.subarray(1),i}},{key:"_parseAACAudioSpecificConfig",value:function(e,t,n){var i=new Uint8Array(e,t,n),r=null,s=0,a=0,o=0,u=null;if(s=a=i[0]>>>3,(o=(7&i[0])<<1|i[1]>>>7)<0||o>=this._mpegSamplingRates.length)return void this._onError(m.default.FORMAT_ERROR,"Flv: AAC invalid sampling frequency index!");var l=this._mpegSamplingRates[o],d=(120&i[1])>>>3;if(d<0||d>=8)return void this._onError(m.default.FORMAT_ERROR,"Flv: AAC invalid channel configuration");5===s&&(u=(7&i[1])<<1|i[2]>>>7,i[2]);var h=self.navigator.userAgent.toLowerCase();return-1!==h.indexOf("firefox")?o>=6?(s=5,r=new Array(4),u=o-3):(s=2,r=new Array(2),u=o):-1!==h.indexOf("android")?(s=2,r=new Array(2),u=o):(s=5,u=o,r=new Array(4),o>=6?u=o-3:1===d&&(s=2,r=new Array(2),u=o)),r[0]=s<<3,r[0]|=(15&o)>>>1,r[1]=(15&o)<<7,r[1]|=(15&d)<<3,5===s&&(r[1]|=(15&u)>>>1,r[2]=(1&u)<<7,r[2]|=8,r[3]=0),{config:r,samplingRate:l,channelCount:d,codec:"mp4a.40."+s,originalCodec:"mp4a.40."+a}}},{key:"_parseMP3AudioData",value:function(e,t,n,i){if(n<4)return void l.default.w(this.TAG,"Flv: Invalid MP3 packet, header missing!");var r=(this._littleEndian,new Uint8Array(e,t,n)),s=null;if(i){if(255!==r[0])return;var a=r[1]>>>3&3,o=(6&r[1])>>1,u=(240&r[2])>>>4,d=(12&r[2])>>>2,h=r[3]>>>6&3,f=3!==h?2:1,c=0,_=0;switch(a){case 0:c=this._mpegAudioV25SampleRateTable[d];break;case 2:c=this._mpegAudioV20SampleRateTable[d];break;case 3:c=this._mpegAudioV10SampleRateTable[d]}switch(o){case 1:34,u<this._mpegAudioL3BitRateTable.length&&(_=this._mpegAudioL3BitRateTable[u]);break;case 2:33,u<this._mpegAudioL2BitRateTable.length&&(_=this._mpegAudioL2BitRateTable[u]);break;case 3:32,u<this._mpegAudioL1BitRateTable.length&&(_=this._mpegAudioL1BitRateTable[u])}s={bitRate:_,samplingRate:c,channelCount:f,codec:"mp3",originalCodec:"mp3"}}else s=r;return s}},{key:"_parseVideoData",value:function(e,t,n,i,r){if(n<=1)return void l.default.w(this.TAG,"Flv: Invalid video packet, missing VideoData payload!");if(!0!==this._hasVideoFlagOverrided||!1!==this._hasVideo){var s=new Uint8Array(e,
"./param-seek-handler.js":25,"./range-seek-handler.js":26,"./speed-sampler.js":27,"./websocket-loader.js":28,"./xhr-moz-chunked-loader.js":29,"./xhr-msstream-loader.js":30,"./xhr-range-loader.js":31}],24:[function(e,t,n){"use strict";function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(n,"__esModule",{value:!0}),n.BaseLoader=n.LoaderErrors=n.LoaderStatus=void 0;var r=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),s=e("../utils/exception.js"),a=n.LoaderStatus={kIdle:0,kConnecting:1,kBuffering:2,kError:3,kComplete:4};n.LoaderErrors={OK:"OK",EXCEPTION:"Exception",HTTP_STATUS_CODE_INVALID:"HttpStatusCodeInvalid",CONNECTING_TIMEOUT:"ConnectingTimeout",EARLY_EOF:"EarlyEof",UNRECOVERABLE_EARLY_EOF:"UnrecoverableEarlyEof"},n.BaseLoader=function(){function e(t){i(this,e),this._type=t||"undefined",this._status=a.kIdle,this._needStash=!1,this._onContentLengthKnown=null,this._onURLRedirect=null,this._onDataArrival=null,this._onError=null,this._onComplete=null}return r(e,[{key:"destroy",value:function(){this._status=a.kIdle,this._onContentLengthKnown=null,this._onURLRedirect=null,this._onDataArrival=null,this._onError=null,this._onComplete=null}},{key:"isWorking",value:function(){return this._status===a.kConnecting||this._status===a.kBuffering}},{key:"open",value:function(e,t){throw new s.NotImplementedException("Unimplemented abstract function!")}},{key:"abort",value:function(){throw new s.NotImplementedException("Unimplemented abstract function!")}},{key:"type",get:function(){return this._type}},{key:"status",get:function(){return this._status}},{key:"needStashBuffer",get:function(){return this._needStash}},{key:"onContentLengthKnown",get:function(){return this._onContentLengthKnown},set:function(e){this._onContentLengthKnown=e}},{key:"onURLRedirect",get:function(){return this._onURLRedirect},set:function(e){this._onURLRedirect=e}},{key:"onDataArrival",get:function(){return this._onDataArrival},set:function(e){this._onDataArrival=e}},{key:"onError",get:function(){return this._onError},set:function(e){this._onError=e}},{key:"onComplete",get:function(){return this._onComplete},set:function(e){this._onComplete=e}}]),e}()},{"../utils/exception.js":40}],25:[function(e,t,n){"use strict";function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(n,"__esModule",{value:!0});var r=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),s=function(){function e(t,n){i(this,e),this._startName=t,this._endName=n}return r(e,[{key:"getConfig",value:function(e,t){var n=e;if(0!==t.from||-1!==t.to){var i=!0;-1===n.indexOf("?")&&(n+="?",i=!1),i&&(n+="&"),n+=this._startName+"="+t.from.toString(),-1!==t.to&&(n+="&"+this._endName+"="+t.to.toString())}return{url:n,headers:{}}}},{key:"removeURLParameters",value:function(e){var t=e.split("?")[0],n=void 0,i=e.indexOf("?");-1!==i&&(n=e.substring(i+1));var r="";if(void 0!=n&&n.length>0)for(var s=n.split("&"),a=0;a<s.length;a++){var o=s[a].split("="),u=a>0;o[0]!==this._startName&&o[0]!==this._endName&&(u&&(r+="&"),r+=s[a])}return 0===r.length?t:t+"?"+r}}]),e}();n.default=s},{}],26:[function(e,t,n){"use strict";function i(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(n,"__esModule",{value:!0});var r=function(){function e(e,t){for(var n=0;n<t.length;n++){var i=t[n];i.enumerable=i.enumerable||!1,i.configurable=!0,"value"in i&&(i.writable=!0),Object.defineProperty(e,i.key,i)}}return function(t,n,i){return n&&e(t.prototype,n),i&&e(t,i),t}}(),s=function(){function e(t){i(this,e),this._zeroStart=t||!1}return r(e,[{key:"getConfig",value:function(e,t){var n={};if(0!==t
key:"attachMediaElement",value:function(e){var t=this;if(this._mediaElement=e,e.addEventListener("loadedmetadata",this.e.onvLoadedMetadata),e.addEventListener("seeking",this.e.onvSeeking),e.addEventListener("canplay",this.e.onvCanPlay),e.addEventListener("stalled",this.e.onvStalled),e.addEventListener("progress",this.e.onvProgress),this._msectl=new E.default(this._config),this._msectl.on(S.default.UPDATE_END,this._onmseUpdateEnd.bind(this)),this._msectl.on(S.default.BUFFER_FULL,this._onmseBufferFull.bind(this)),this._msectl.on(S.default.SOURCE_OPEN,function(){t._mseSourceOpened=!0,t._hasPendingLoad&&(t._hasPendingLoad=!1,t.load())}),this._msectl.on(S.default.ERROR,function(e){t._emitter.emit(_.default.ERROR,k.ErrorTypes.MEDIA_ERROR,k.ErrorDetails.MEDIA_MSE_ERROR,e)}),this._msectl.attachMediaElement(e),null!=this._pendingSeekTime)try{e.currentTime=this._pendingSeekTime,this._pendingSeekTime=null}catch(e){}}},{key:"detachMediaElement",value:function(){this._mediaElement&&(this._msectl.detachMediaElement(),this._mediaElement.removeEventListener("loadedmetadata",this.e.onvLoadedMetadata),this._mediaElement.removeEventListener("seeking",this.e.onvSeeking),this._mediaElement.removeEventListener("canplay",this.e.onvCanPlay),this._mediaElement.removeEventListener("stalled",this.e.onvStalled),this._mediaElement.removeEventListener("progress",this.e.onvProgress),this._mediaElement=null),this._msectl&&(this._msectl.destroy(),this._msectl=null)}},{key:"load",value:function(){var e=this;if(!this._mediaElement)throw new R.IllegalStateException("HTMLMediaElement must be attached before load()!");if(this._transmuxer)throw new R.IllegalStateException("FlvPlayer.load() has been called, please call unload() first!");if(!this._hasPendingLoad){if(this._config.deferLoadAfterSourceOpen&&!1===this._mseSourceOpened)return void(this._hasPendingLoad=!0);this._mediaElement.readyState>0&&(this._requestSetTime=!0,this._mediaElement.currentTime=0),this._transmuxer=new p.default(this._mediaDataSource,this._config),this._transmuxer.on(g.default.INIT_SEGMENT,function(t,n){e._msectl.appendInitSegment(n)}),this._transmuxer.on(g.default.MEDIA_SEGMENT,function(t,n){if(e._msectl.appendMediaSegment(n),e._config.lazyLoad&&!e._config.isLive){var i=e._mediaElement.currentTime;n.info.endDts>=1e3*(i+e._config.lazyLoadMaxDuration)&&null==e._progressChecker&&(d.default.v(e.TAG,"Maximum buffering duration exceeded, suspend transmuxing task"),e._suspendTransmuxer())}}),this._transmuxer.on(g.default.LOADING_COMPLETE,function(){e._msectl.endOfStream(),e._emitter.emit(_.default.LOADING_COMPLETE)}),this._transmuxer.on(g.default.RECOVERED_EARLY_EOF,function(){e._emitter.emit(_.default.RECOVERED_EARLY_EOF)}),this._transmuxer.on(g.default.IO_ERROR,function(t,n){e._emitter.emit(_.default.ERROR,k.ErrorTypes.NETWORK_ERROR,t,n)}),this._transmuxer.on(g.default.DEMUX_ERROR,function(t,n){e._emitter.emit(_.default.ERROR,k.ErrorTypes.MEDIA_ERROR,t,{code:-1,msg:n})}),this._transmuxer.on(g.default.MEDIA_INFO,function(t){e._mediaInfo=t,e._emitter.emit(_.default.MEDIA_INFO,Object.assign({},t))}),this._transmuxer.on(g.default.METADATA_ARRIVED,function(t){e._emitter.emit(_.default.METADATA_ARRIVED,t)}),this._transmuxer.on(g.default.SCRIPTDATA_ARRIVED,function(t){e._emitter.emit(_.default.SCRIPTDATA_ARRIVED,t)}),this._transmuxer.on(g.default.STATISTICS_INFO,function(t){e._statisticsInfo=e._fillStatisticsInfo(t),e._emitter.emit(_.default.STATISTICS_INFO,Object.assign({},e._statisticsInfo))}),this._transmuxer.on(g.default.RECOMMEND_SEEKPOINT,function(t){e._mediaElement&&!e._config.accurateSeek&&(e._requestSetTime=!0,e._mediaElement.currentTime=t/1e3)}),this._transmuxer.open()}}},{key:"unload",value:function(){this._mediaElement&&this._mediaElement.pause(),this._msectl&&this._msectl.seek(0),this._transmuxer&&(this._transmuxer.close(),this._transmuxer.destroy(),this._transmuxer=null)}},{key:"play",value:function(){return this._mediaElement.play()}},{key:"pause",value:function(){this._mediaElement.pause()}},{key:"_fillStatisticsInfo",value:function(e){if(e.playerType=this._type,!(this._mediaElem
J.firstSample=new _.SampleInfo(C[0].dts,C[0].pts,C[0].duration,C[0].originalDts,!1),J.lastSample=new _.SampleInfo(Q.dts,Q.pts,Q.duration,Q.originalDts,!1),this._isLive||this._audioSegmentInfoList.append(J),n.samples=C,n.sequenceNumber++;var $=null;$=d?new Uint8Array:l.default.moof(n,s),n.samples=[],n.length=0;var ee={type:"audio",data:this._mergeBoxes($,v).buffer,sampleCount:C.length,info:J};d&&f&&(ee.timestampOffset=s),this._onMediaSegment("audio",ee)}}}},{key:"_remuxVideo",value:function(e,t){if(null!=this._videoMeta){var n=e,i=n.samples,r=void 0,s=-1,a=-1,o=-1,u=-1;if(i&&0!==i.length&&(1!==i.length||t)){var d=8,h=null,f=8+e.length,c=null;if(i.length>1&&(c=i.pop(),f-=c.length),null!=this._videoStashedLastSample){var m=this._videoStashedLastSample;this._videoStashedLastSample=null,i.unshift(m),f+=m.length}null!=c&&(this._videoStashedLastSample=c);var p=i[0].dts-this._dtsBase;if(this._videoNextDts)r=p-this._videoNextDts;else if(this._videoSegmentInfoList.isEmpty())r=0;else{var v=this._videoSegmentInfoList.getLastSampleBefore(p);if(null!=v){var g=p-(v.originalDts+v.duration);g<=3&&(g=0);var y=v.dts+v.duration+g;r=p-y}else r=0}for(var E=new _.MediaSegmentInfo,b=[],S=0;S<i.length;S++){var k=i[S],L=k.dts-this._dtsBase,R=k.isKeyframe,A=L-r,w=k.cts,T=A+w;-1===s&&(s=A,o=T);var O=0;if(S!==i.length-1){O=i[S+1].dts-this._dtsBase-r-A}else if(null!=c){var C=c.dts-this._dtsBase-r;O=C-A}else O=b.length>=1?b[b.length-1].duration:Math.floor(this._videoMeta.refSampleDuration);if(R){var I=new _.SampleInfo(A,T,O,k.dts,!0);I.fileposition=k.fileposition,E.appendSyncPoint(I)}b.push({dts:A,pts:T,cts:w,units:k.units,size:k.length,isKeyframe:R,duration:O,originalDts:L,flags:{isLeading:0,dependsOn:R?2:1,isDependedOn:R?1:0,hasRedundancy:0,isNonSync:R?0:1}})}h=new Uint8Array(f),h[0]=f>>>24&255,h[1]=f>>>16&255,h[2]=f>>>8&255,h[3]=255&f,h.set(l.default.types.mdat,4);for(var D=0;D<b.length;D++)for(var x=b[D].units;x.length;){var M=x.shift(),B=M.data;h.set(B,d),d+=B.byteLength}var j=b[b.length-1];if(a=j.dts+j.duration,u=j.pts+j.duration,this._videoNextDts=a,E.beginDts=s,E.endDts=a,E.beginPts=o,E.endPts=u,E.originalBeginDts=b[0].originalDts,E.originalEndDts=j.originalDts+j.duration,E.firstSample=new _.SampleInfo(b[0].dts,b[0].pts,b[0].duration,b[0].originalDts,b[0].isKeyframe),E.lastSample=new _.SampleInfo(j.dts,j.pts,j.duration,j.originalDts,j.isKeyframe),this._isLive||this._videoSegmentInfoList.append(E),n.samples=b,n.sequenceNumber++,this._forceFirstIDR){var P=b[0].flags;P.dependsOn=2,P.isNonSync=0}var U=l.default.moof(n,s);n.samples=[],n.length=0,this._onMediaSegment("video",{type:"video",data:this._mergeBoxes(U,h).buffer,sampleCount:b.length,info:E})}}}},{key:"_mergeBoxes",value:function(e,t){var n=new Uint8Array(e.byteLength+t.byteLength);return n.set(e,0),n.set(t,e.byteLength),n}},{key:"onInitSegment",get:function(){return this._onInitSegment},set:function(e){this._onInitSegment=e}},{key:"onMediaSegment",get:function(){return this._onMediaSegment},set:function(e){this._onMediaSegment=e}}]),e}();n.default=p},{"../core/media-segment-info.js":8,"../utils/browser.js":39,"../utils/exception.js":40,"../utils/logger.js":41,"./aac-silent.js":36,"./mp4-generator.js":37}],39:[function(e,t,n){"use strict";Object.defineProperty(n,"__esModule",{value:!0});var i={};!function(){var e=self.navigator.userAgent.toLowerCase(),t=/(edge)\/([\w.]+)/.exec(e)||/(opr)[\/]([\w.]+)/.exec(e)||/(chrome)[ \/]([\w.]+)/.exec(e)||/(iemobile)[\/]([\w.]+)/.exec(e)||/(version)(applewebkit)[ \/]([\w.]+).*(safari)[ \/]([\w.]+)/.exec(e)||/(webkit)[ \/]([\w.]+).*(version)[ \/]([\w.]+).*(safari)[ \/]([\w.]+)/.exec(e)||/(webkit)[ \/]([\w.]+)/.exec(e)||/(opera)(?:.*version|)[ \/]([\w.]+)/.exec(e)||/(msie) ([\w.]+)/.exec(e)||e.indexOf("trident")>=0&&/(rv)(?::| )([\w.]+)/.exec(e)||e.indexOf("compatible")<0&&/(firefox)[ \/]([\w.]+)/.exec(e)||[],n=/(ipad)/.exec(e)||/(ipod)/.exec(e)||/(windows phone)/.exec(e)||/(iphone)/.exec(e)||/(kindle)/.exec(e)||/(android)/.exec(e)||/(windows)/.exec(e)||/(mac)/.exec(e)||/(linux)/.exec(e)||/(cros)/.exec(e)||[],r={browser:t[5]||t[3]||t[1]||"",version:t[2]||
//# sourceMappingURL=flv.min.js.map