8 lines
224 KiB
JavaScript
8 lines
224 KiB
JavaScript
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n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,i,n){return i&&e(t.prototype,i),n&&e(t,n),t}}(),o=e(32),u=r(o),d=e(12),l=r(d),f="undefined"!=typeof window?window.videojs:void 0!==n?n.videojs:null,c=r(f),h=["seeking","seeked","pause","playing","error"],p=function(){function e(t){var i=this;a(this,e),this.tech_=t.tech,this.seekable=t.seekable,this.consecutiveUpdates=0,this.lastRecordedTime=null,this.timer_=null,this.checkCurrentTimeTimeout_=null,t.debug&&(this.logger_=c["default"].log.bind(c["default"],"playback-watcher ->")),this.logger_("initialize");var n=function(){return i.monitorCurrentTime_()},r=function(){return i.techWaiting_()},s=function(){return i.cancelTimer_()},o=function(){return i.fixesBadSeeks_()};this.tech_.on("seekablechanged",o),this.tech_.on("waiting",r),this.tech_.on(h,s),this.tech_.on("canplay",n),this.dispose=function(){i.logger_("dispose"),i.tech_.off("seekablechanged",o),i.tech_.off("waiting",r),i.tech_.off(h,s),i.tech_.off("canplay",n),i.checkCurrentTimeTimeout_&&u["default"].clearTimeout(i.checkCurrentTimeTimeout_),i.cancelTimer_()}}return s(e,[{key:"monitorCurrentTime_",value:function(){this.checkCurrentTime_(),this.checkCurrentTimeTimeout_&&u["default"].clearTimeout(this.checkCurrentTimeTimeout_),this.checkCurrentTimeTimeout_=u["default"].setTimeout(this.monitorCurrentTime_.bind(this),250)}},{key:"checkCurrentTime_",value:function(){if(this.tech_.seeking()&&this.fixesBadSeeks_())return this.consecutiveUpdates=0,void(this.lastRecordedTime=this.tech_.currentTime());if(!this.tech_.paused()&&!this.tech_.seeking()){var e=this.tech_.currentTime(),t=this.tech_.buffered();if(this.lastRecordedTime===e&&(!t.length||e+l["default"].SAFE_TIME_DELTA>=t.end(t.length-1)))return this.techWaiting_();this.consecutiveUpdates>=5&&e===this.lastRecordedTime?(this.consecutiveUpdates++,this.waiting_()):e===this.lastRecordedTime?this.consecutiveUpdates++:(this.consecutiveUpdates=0,this.lastRecordedTime=e)}}},{key:"cancelTimer_",value:function(){this.consecutiveUpdates=0,this.timer_&&(this.logger_("cancelTimer_"),clearTimeout(this.timer_)),this.timer_=null}},{key:"fixesBadSeeks_",value:function(){var e=this.tech_.seeking(),t=this.seekable(),i=this.tech_.currentTime(),n=undefined;if(e&&this.afterSeekableWindow_(t,i)){n=t.end(t.length-1)}if(e&&this.beforeSeekableWindow_(t,i)){n=t.start(0)+l["default"].SAFE_TIME_DELTA}return void 0!==n&&(this.logger_("Trying to seek outside of seekable at time "+i+" with seekable range "+l["default"].printableRange(t)+". Seeking to "+n+"."),this.tech_.setCurrentTime(n),!0)}},{key:"waiting_",value:function(){if(!this.techWaiting_()){var e=this.tech_.currentTime(),t=this.tech_.buffered(),i=l["default"].findRange(t,e);return i.length&&e+3<=i.end(0)?(this.cancelTimer_(),this.tech_.setCurrentTime(e),this.logger_("Stopped at "+e+" while inside a buffered region ["+i.start(0)+" -> "+i.end(0)+"]. Attempting to resume playback by seeking to the current time."),void this.tech_.trigger({type:"usage",name:"hls-unknown-waiting"})):void 0}}},{key:"techWaiting_",value:function(){var e=this.seekable(),t=this.tech_.currentTime();if(this.tech_.seeking()&&this.fixesBadSeeks_())return!0;if(this.tech_.seeking()||null!==this.timer_)return!0;if(this.beforeSeekableWindow_(e,t)){var i=e.end(e.length-1);return this.logger_("Fell out of live window at time "+t+". Seeking to live point (seekable end) "+i),this.cancelTimer_(),this.tech_.setCurrentTime(i),this.tech_.trigger({type:"usage",name:"hls-live-resync"}),!0}var n=this.tech_.buffered(),r=l["default"].findNextRange(n,t);if(this.videoUnderflow_(r,n,t))return this.cancelTimer_(),this.tech_.setCurrentTime(t),this.tech_.trigger({type:"usage",name:"hls-video-underflow"}),!0;if(r.length>0){var a=r.start(0)-t;return this.logger_("Stopped at "+t+", setting timer for "+a+", seeking to "+r.start(0)),this.timer_=setTimeout(this.skipTheGap_.bind(this),1e3*a,t),!0}return!1}},{key:"afterSeekableWindow_",value:function(e,t){return!!e.length&&t>e.end(e.length-1)+l["default"].SAFE_TIME_DELTA}},{key:"beforeSeekableWindow_",value:
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;!this.couldBeginLoading_()||"READY"!==this.state&&"INIT"!==this.state||(this.state="READY")}}},{key:"init_",value:function(){return this.state="READY",this.sourceUpdater_=new h["default"](this.mediaSource_,this.mimeType_),this.resetEverything(),this.monitorBuffer_()}},{key:"playlist",value:function(e){var t=arguments.length<=1||arguments[1]===undefined?{}:arguments[1];if(e){var i=this.playlist_,n=this.pendingSegment_;if(this.playlist_=e,this.xhrOptions_=t,this.hasPlayed_()||(e.syncInfo={mediaSequence:e.mediaSequence,time:0}),this.trigger("syncinfoupdate"),"INIT"===this.state&&this.couldBeginLoading_())return this.init_();if(!i||i.uri!==e.uri)return void(null!==this.mediaIndex&&this.resyncLoader());var r=e.mediaSequence-i.mediaSequence;this.logger_("mediaSequenceDiff",r),null!==this.mediaIndex&&(this.mediaIndex-=r),n&&(n.mediaIndex-=r,n.mediaIndex>=0&&(n.segment=e.segments[n.mediaIndex])),this.syncController_.saveExpiredSegmentInfo(i,e)}}},{key:"pause",value:function(){this.checkBufferTimeout_&&(y["default"].clearTimeout(this.checkBufferTimeout_),this.checkBufferTimeout_=null)}},{key:"paused",value:function(){return null===this.checkBufferTimeout_}},{key:"mimeType",value:function(e){this.mimeType_||(this.mimeType_=e,"INIT"===this.state&&this.couldBeginLoading_()&&this.init_())}},{key:"resetEverything",value:function(){this.ended_=!1,this.resetLoader(),this.remove(0,this.duration_()),this.trigger("reseteverything")}},{key:"resetLoader",value:function(){this.fetchAtBuffer_=!1,this.resyncLoader()}},{key:"resyncLoader",value:function(){this.mediaIndex=null,this.syncPoint_=null,this.abort()}},{key:"remove",value:function(e,t){this.sourceUpdater_&&this.sourceUpdater_.remove(e,t),(0,v["default"])(e,t,this.segmentMetadataTrack_)}},{key:"monitorBuffer_",value:function(){this.checkBufferTimeout_&&y["default"].clearTimeout(this.checkBufferTimeout_),this.checkBufferTimeout_=y["default"].setTimeout(this.monitorBufferTick_.bind(this),1)}},{key:"monitorBufferTick_",value:function(){"READY"===this.state&&this.fillBuffer_(),this.checkBufferTimeout_&&y["default"].clearTimeout(this.checkBufferTimeout_),this.checkBufferTimeout_=y["default"].setTimeout(this.monitorBufferTick_.bind(this),500)}},{key:"fillBuffer_",value:function(){if(!this.sourceUpdater_.updating()){this.syncPoint_||(this.syncPoint_=this.syncController_.getSyncPoint(this.playlist_,this.duration_(),this.currentTimeline_,this.currentTime_()));var e=this.checkBuffer_(this.buffered_(),this.playlist_,this.mediaIndex,this.hasPlayed_(),this.currentTime_(),this.syncPoint_);if(e){if(k(this.playlist_,this.mediaSource_,e.mediaIndex))return void this.endOfStream();(e.mediaIndex!==this.playlist_.segments.length-1||"ended"!==this.mediaSource_.readyState||this.seeking_())&&((e.timeline!==this.currentTimeline_||null!==e.startOfSegment&&e.startOfSegment<this.sourceUpdater_.timestampOffset())&&(this.syncController_.reset(),e.timestampOffset=e.startOfSegment),this.loadSegment_(e))}}}},{key:"checkBuffer_",value:function(e,t,i,n,r,a){var s=0,o=undefined;e.length&&(s=e.end(e.length-1));var u=Math.max(0,s-r);if(!t.segments.length)return null;if(u>=this.goalBufferLength_())return null;if(!n&&u>=1)return null;if(this.logger_("checkBuffer_","mediaIndex:",i,"hasPlayed:",n,"currentTime:",r,"syncPoint:",a,"fetchAtBuffer:",this.fetchAtBuffer_,"bufferedTime:",u),null===a)return i=this.getSyncSegmentCandidate_(t),this.logger_("getSync","mediaIndex:",i),this.generateSegmentInfo_(t,i,null,!0);if(null!==i){this.logger_("walkForward","mediaIndex:",i+1);var l=t.segments[i];return o=l&&l.end?l.end:s,this.generateSegmentInfo_(t,i+1,o,!1)}if(this.fetchAtBuffer_){var f=d["default"].getMediaInfoForTime(t,s,a.segmentIndex,a.time);i=f.mediaIndex,o=f.startTime}else{var f=d["default"].getMediaInfoForTime(t,r,a.segmentIndex,a.time);i=f.mediaIndex,o=f.startTime}return this.logger_("getMediaIndexForTime","mediaIndex:",i,"startOfSegment:",o),this.generateSegmentInfo_(t,i,o,!1)}},{key:"getSyncSegmentCandidate_",value:function(e){var t=this;if(-1===this.currentTimeline_)return 0;var i=e.segments.map(function(e,t){return{timeli
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var n=new Int32Array(e.buffer,e.byteOffset,e.byteLength>>2),r=new o["default"](Array.prototype.slice.call(t)),a=new Uint8Array(e.byteLength),s=new Int32Array(a.buffer),u=undefined,d=undefined,l=undefined,c=undefined,h=undefined,p=undefined,m=undefined,g=undefined,y=undefined;for(u=i[0],d=i[1],l=i[2],c=i[3],y=0;y<n.length;y+=4)h=f(n[y]),p=f(n[y+1]),m=f(n[y+2]),g=f(n[y+3]),r.decrypt(h,p,m,g,s,y),s[y]=f(s[y]^u),s[y+1]=f(s[y+1]^d),s[y+2]=f(s[y+2]^l),s[y+3]=f(s[y+3]^c),u=h,d=p,l=m,c=g;return a};i.decrypt=c;var h=function(){function e(t,i,n,a){r(this,e);var s=e.STEP,o=new Int32Array(t.buffer),u=new Uint8Array(t.byteLength),c=0;for(this.asyncStream_=new d["default"],this.asyncStream_.push(this.decryptChunk_(o.subarray(c,c+s),i,n,u)),c=s;c<o.length;c+=s)n=new Uint32Array([f(o[c-4]),f(o[c-3]),f(o[c-2]),f(o[c-1])]),this.asyncStream_.push(this.decryptChunk_(o.subarray(c,c+s),i,n,u));this.asyncStream_.push(function(){a(null,(0,l.unpad)(u))})}return a(e,[{key:"decryptChunk_",value:function(e,t,i,n){return function(){var r=c(e,t,i);n.set(r,e.byteOffset)}}}],[{key:"STEP",get:function(){return 32e3}}]),e}();i.Decrypter=h,i["default"]={Decrypter:h,decrypt:c}},{}],25:[function(e,t,i){"use strict";Object.defineProperty(i,"__esModule",{value:!0});var n=e(24),r=e(23),a=function(e){return e&&e.__esModule?e:{"default":e}}(r);i["default"]={decrypt:n.decrypt,Decrypter:n.Decrypter,AsyncStream:a["default"]},t.exports=i["default"]},{}],26:[function(e,t,i){"use strict";function n(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")}Object.defineProperty(i,"__esModule",{value:!0});var r=function(){function e(e,t){for(var i=0;i<t.length;i++){var n=t[i];n.enumerable=n.enumerable||!1,n.configurable=!0,"value"in n&&(n.writable=!0),Object.defineProperty(e,n.key,n)}}return function(t,i,n){return i&&e(t.prototype,i),n&&e(t,n),t}}(),a=function(){function e(){n(this,e),this.listeners={}}return r(e,[{key:"on",value:function(e,t){this.listeners[e]||(this.listeners[e]=[]),this.listeners[e].push(t)}},{key:"off",value:function(e,t){var i=undefined;return!!this.listeners[e]&&(i=this.listeners[e].indexOf(t),this.listeners[e].splice(i,1),i>-1)}},{key:"trigger",value:function(e){var t=undefined,i=undefined,n=undefined,r=undefined;if(t=this.listeners[e])if(2===arguments.length)for(n=t.length,i=0;i<n;++i)t[i].call(this,arguments[1]);else for(r=Array.prototype.slice.call(arguments,1),n=t.length,i=0;i<n;++i)t[i].apply(this,r)}},{key:"dispose",value:function(){this.listeners={}}},{key:"pipe",value:function(e){this.on("data",function(t){e.push(t)})}}]),e}();i["default"]=a,t.exports=i["default"]},{}],27:[function(e,t,i){"use strict";var n;t.exports=function(e){var t=n[e.byteLength%16||0],i=new Uint8Array(e.byteLength+t.length);return i.set(e),i.set(t,e.byteLength),i},n=[[16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16],[15,15,15,15,15,15,15,15,15,15,15,15,15,15,15],[14,14,14,14,14,14,14,14,14,14,14,14,14,14],[13,13,13,13,13,13,13,13,13,13,13,13,13],[12,12,12,12,12,12,12,12,12,12,12,12],[11,11,11,11,11,11,11,11,11,11,11],[10,10,10,10,10,10,10,10,10,10],[9,9,9,9,9,9,9,9,9],[8,8,8,8,8,8,8,8],[7,7,7,7,7,7,7],[6,6,6,6,6,6],[5,5,5,5,5],[4,4,4,4],[3,3,3],[2,2],[1]]},{}],28:[function(e,t,i){"use strict";i.pad=e(27),i.unpad=e(29)},{}],29:[function(e,t,i){"use strict";t.exports=function(e){return e.subarray(0,e.byteLength-e[e.byteLength-1])}},{}],30:[function(e,t,i){},{}],31:[function(e,t,i){(function(i){var n,r=void 0!==i?i:"undefined"!=typeof window?window:{},a=e(30);"undefined"!=typeof document?n=document:(n=r["__GLOBAL_DOCUMENT_CACHE@4"])||(n=r["__GLOBAL_DOCUMENT_CACHE@4"]=a),t.exports=n}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],32:[function(e,t,i){(function(e){var i;i="undefined"!=typeof window?window:void 0!==e?e:"undefined"!=typeof self?self:{},t.exports=i}).call(this,"undefined"!=typeof global?global:"undefined"!=typeof self?self:"undefined"!=typeof window?window:{})},{}],33:[function(e,t,i){"use strict";function n(e){return e&&e.__esModule?e:{"default":e}}var r=e(34),a=
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this.bytes[13]=(16711680&e)>>>16,this.bytes[14]=(65280&e)>>>8,this.bytes[15]=(255&e)>>>0;break;case n.AUDIO_TAG:this.bytes[11]=175,this.bytes[12]=t?0:1;break;case n.METADATA_TAG:this.position=11,this.view.setUint8(this.position,2),this.position++,this.view.setUint16(this.position,10),this.position+=2,this.bytes.set([111,110,77,101,116,97,68,97,116,97],this.position),this.position+=10,this.bytes[this.position]=8,this.position++,this.view.setUint32(this.position,r),this.position=this.length,this.bytes.set([0,0,9],this.position),this.position+=3,this.length=this.position}return i=this.length-11,this.bytes[1]=(16711680&i)>>>16,this.bytes[2]=(65280&i)>>>8,this.bytes[3]=(255&i)>>>0,this.bytes[4]=(16711680&this.dts)>>>16,this.bytes[5]=(65280&this.dts)>>>8,this.bytes[6]=(255&this.dts)>>>0,this.bytes[7]=(4278190080&this.dts)>>>24,this.bytes[8]=0,this.bytes[9]=0,this.bytes[10]=0,s(this,4),this.view.setUint32(this.length,this.length),this.length+=4,this.position+=4,this.bytes=this.bytes.subarray(0,this.length),this.frameTime=n.frameTime(this.bytes),this}},n.AUDIO_TAG=8,n.VIDEO_TAG=9,n.METADATA_TAG=18,n.isAudioFrame=function(e){return n.AUDIO_TAG===e[0]},n.isVideoFrame=function(e){return n.VIDEO_TAG===e[0]},n.isMetaData=function(e){return n.METADATA_TAG===e[0]},n.isKeyFrame=function(e){return n.isVideoFrame(e)?23===e[11]:!!n.isAudioFrame(e)||!!n.isMetaData(e)},n.frameTime=function(e){var t=e[4]<<16;return t|=e[5]<<8,t|=e[6]<<0,t|=e[7]<<24},t.exports=n},{}],46:[function(e,t,i){t.exports={tag:e(45),Transmuxer:e(48),getFlvHeader:e(44)}},{}],47:[function(e,t,i){"use strict";var n=function(){var e=this;this.list=[],this.push=function(e){this.list.push({bytes:e.bytes,dts:e.dts,pts:e.pts,keyFrame:e.keyFrame,metaDataTag:e.metaDataTag})},Object.defineProperty(this,"length",{get:function(){return e.list.length}})};t.exports=n},{}],48:[function(e,t,i){"use strict";var n,r,a,s,o,u,d=e(62),l=e(45),f=e(50),c=e(40),h=e(41).H264Stream,p=e(43),m=e(47);s=function(e,t){"number"==typeof t.pts&&(e.timelineStartInfo.pts===undefined?e.timelineStartInfo.pts=t.pts:e.timelineStartInfo.pts=Math.min(e.timelineStartInfo.pts,t.pts)),"number"==typeof t.dts&&(e.timelineStartInfo.dts===undefined?e.timelineStartInfo.dts=t.dts:e.timelineStartInfo.dts=Math.min(e.timelineStartInfo.dts,t.dts))},o=function(e,t){var i=new l(l.METADATA_TAG);return i.dts=t,i.pts=t,i.writeMetaDataDouble("videocodecid",7),i.writeMetaDataDouble("width",e.width),i.writeMetaDataDouble("height",e.height),i},u=function(e,t){var i,n=new l(l.VIDEO_TAG,!0);for(n.dts=t,n.pts=t,n.writeByte(1),n.writeByte(e.profileIdc),n.writeByte(e.profileCompatibility),n.writeByte(e.levelIdc),n.writeByte(255),n.writeByte(225),n.writeShort(e.sps[0].length),n.writeBytes(e.sps[0]),n.writeByte(e.pps.length),i=0;i<e.pps.length;++i)n.writeShort(e.pps[i].length),n.writeBytes(e.pps[i]);return n},a=function(e){var t,i=[],n=[];a.prototype.init.call(this),this.push=function(t){s(e,t),e&&(e.audioobjecttype=t.audioobjecttype,e.channelcount=t.channelcount,e.samplerate=t.samplerate,e.samplingfrequencyindex=t.samplingfrequencyindex,e.samplesize=t.samplesize,e.extraData=e.audioobjecttype<<11|e.samplingfrequencyindex<<7|e.channelcount<<3),t.pts=Math.round(t.pts/90),t.dts=Math.round(t.dts/90),i.push(t)},this.flush=function(){var r,a,s,o=new m;if(0===i.length)return void this.trigger("done","AudioSegmentStream");for(s=-Infinity;i.length;)r=i.shift(),n.length&&r.pts>=n[0]&&(s=n.shift(),this.writeMetaDataTags(o,s)),(e.extraData!==t||r.pts-s>=1e3)&&(this.writeMetaDataTags(o,r.pts),t=e.extraData,s=r.pts),a=new l(l.AUDIO_TAG),a.pts=r.pts,a.dts=r.dts,a.writeBytes(r.data),o.push(a.finalize());n.length=0,t=null,this.trigger("data",{track:e,tags:o.list}),this.trigger("done","AudioSegmentStream")},this.writeMetaDataTags=function(t,i){var n;n=new l(l.METADATA_TAG),n.pts=i,n.dts=i,n.writeMetaDataDouble("audiocodecid",10),n.writeMetaDataBoolean("stereo",2===e.channelcount),n.writeMetaDataDouble("audiosamplerate",e.samplerate),n.writeMetaDataDouble("audiosamplesize",16),t.push(n.finalize()),n=new l(l.AUDIO_TAG,!0),n.pts=i,n.dts=i,n.view.setUint16(n.p
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u.length&&(d=d.concat(u)))),i=o;return d},r=function(e){var t="";return t+=String.fromCharCode(e[0]),t+=String.fromCharCode(e[1]),t+=String.fromCharCode(e[2]),t+=String.fromCharCode(e[3])},a=function(e){var t={};return n(e,["moov","trak"]).reduce(function(e,t){var i,r,a,s,o;return(i=n(t,["tkhd"])[0])?(r=i[0],a=0===r?12:20,s=i[a]<<24|i[a+1]<<16|i[a+2]<<8|i[a+3],(o=n(t,["mdia","mdhd"])[0])?(r=o[0],a=0===r?12:20,e[s]=o[a]<<24|o[a+1]<<16|o[a+2]<<8|o[a+3],e):null):null},t)},s=function(e,t){var i,r,a;return i=n(t,["moof","traf"]),r=[].concat.apply([],i.map(function(t){return n(t,["tfhd"]).map(function(i){var r,a,s;return r=i[4]<<24|i[5]<<16|i[6]<<8|i[7],a=e[r]||9e4,s=n(t,["tfdt"]).map(function(e){var t,i;return t=e[0],i=e[4]<<24|e[5]<<16|e[6]<<8|e[7],1===t&&(i*=Math.pow(2,32),i+=e[8]<<24|e[9]<<16|e[10]<<8|e[11]),i})[0],(s=s||Infinity)/a})})),a=Math.min.apply(null,r),isFinite(a)?a:0},t.exports={parseType:r,timescale:a,startTime:s}},{}],58:[function(e,t,i){"use strict";var n,r,a,s,o,u,d,l,f,c,h,p=e(62),m=e(56),g=e(50),y=e(40),_=e(41).H264Stream,v=e(38),b=e(42),T=e(60),S=["audioobjecttype","channelcount","samplerate","samplingfrequencyindex","samplesize"],w=["width","height","profileIdc","levelIdc","profileCompatibility"];o=function(){return{size:0,flags:{isLeading:0,dependsOn:1,isDependedOn:0,hasRedundancy:0,degradationPriority:0}}},u=function(e){return e[0]==="I".charCodeAt(0)&&e[1]==="D".charCodeAt(0)&&e[2]==="3".charCodeAt(0)},c=function(e,t){var i;if(e.length!==t.length)return!1;for(i=0;i<e.length;i++)if(e[i]!==t[i])return!1;return!0},h=function(e){var t,i,n=0;for(t=0;t<e.length;t++)i=e[t],n+=i.data.byteLength;return n},r=function(e){var t=[],i=0,n=0,a=0,s=Infinity;r.prototype.init.call(this),this.push=function(i){d(e,i),e&&S.forEach(function(t){e[t]=i[t]}),t.push(i)},this.setEarliestDts=function(t){n=t-e.timelineStartInfo.baseMediaDecodeTime},this.setVideoBaseMediaDecodeTime=function(e){s=e},this.setAudioAppendStart=function(e){a=e},this.flush=function(){var n,r,a,s;if(0===t.length)return void this.trigger("done","AudioSegmentStream");n=this.trimAdtsFramesByEarliestDts_(t),e.baseMediaDecodeTime=f(e),this.prefixWithSilence_(e,n),e.samples=this.generateSampleTable_(n),a=m.mdat(this.concatenateFrameData_(n)),t=[],r=m.moof(i,[e]),s=new Uint8Array(r.byteLength+a.byteLength),i++,s.set(r),s.set(a,r.byteLength),l(e),this.trigger("data",{track:e,boxes:s}),this.trigger("done","AudioSegmentStream")},this.prefixWithSilence_=function(e,t){var i,n,r,o=0,u=0,d=0,l=0;if(t.length&&(i=T.audioTsToVideoTs(e.baseMediaDecodeTime,e.samplerate),o=Math.ceil(9e4/(e.samplerate/1024)),a&&s&&(u=i-Math.max(a,s),d=Math.floor(u/o),l=d*o),!(d<1||l>45e3))){for(n=b[e.samplerate],n||(n=t[0].data),r=0;r<d;r++)t.splice(r,0,{data:n});e.baseMediaDecodeTime-=Math.floor(T.videoTsToAudioTs(l,e.samplerate))}},this.trimAdtsFramesByEarliestDts_=function(t){return e.minSegmentDts>=n?t:(e.minSegmentDts=Infinity,t.filter(function(t){return t.dts>=n&&(e.minSegmentDts=Math.min(e.minSegmentDts,t.dts),e.minSegmentPts=e.minSegmentDts,!0)}))},this.generateSampleTable_=function(e){var t,i,n=[];for(t=0;t<e.length;t++)i=e[t],n.push({size:i.data.byteLength,duration:1024});return n},this.concatenateFrameData_=function(e){var t,i,n=0,r=new Uint8Array(h(e));for(t=0;t<e.length;t++)i=e[t],r.set(i.data,n),n+=i.data.byteLength;return r}},r.prototype=new p,n=function(e,t){var i,r,a=0,s=[],u=[];t=t||{},n.prototype.init.call(this),delete e.minPTS,this.gopCache_=[],this.push=function(t){d(e,t),"seq_parameter_set_rbsp"!==t.nalUnitType||i||(i=t.config,e.sps=[t.data],w.forEach(function(t){e[t]=i[t]},this)),"pic_parameter_set_rbsp"!==t.nalUnitType||r||(r=t.data,e.pps=[t.data]),s.push(t)},this.flush=function(){for(var i,n,r,o,c,h;s.length&&"access_unit_delimiter_rbsp"!==s[0].nalUnitType;)s.shift();if(0===s.length)return this.resetStream_(),void this.trigger("done","VideoSegmentStream");if(i=this.groupNalsIntoFrames_(s),r=this.groupFramesIntoGops_(i),r[0][0].keyFrame||(n=this.getGopForFusion_(s[0],e),n?(r.unshift(n),r.byteLength+=n.byteLength,r.nalCount+=n.nalCount,r.pts=n.pts,r.dts=n.dts,r.durati
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return delete l["default"][i.flashEncodedHeaderName_],n},this.mediaSource_.swfObj.vjs_appendChunkReady(this.flashEncodedHeaderName_),this.transmuxer_=(0,w["default"])(T["default"]),this.transmuxer_.postMessage({action:"init",options:{}}),this.transmuxer_.onmessage=function(e){"data"===e.data.action&&i.receiveBuffer_(e.data.segment)},this.one("updateend",function(){i.mediaSource_.tech_.trigger("loadedmetadata")}),Object.defineProperty(this,"timestampOffset",{get:function(){return this.timestampOffset_},set:function(e){"number"==typeof e&&e>=0&&(this.timestampOffset_=e,this.mediaSource_.swfObj.vjs_discontinuity(),this.basePtsOffset_=NaN,this.audioBufferEnd_=NaN,this.videoBufferEnd_=NaN,this.transmuxer_.postMessage({action:"reset"}))}}),Object.defineProperty(this,"buffered",{get:function(){if(!(this.mediaSource_&&this.mediaSource_.swfObj&&"vjs_getProperty"in this.mediaSource_.swfObj))return c["default"].createTimeRange();var e=this.mediaSource_.swfObj.vjs_getProperty("buffered");return e&&e.length&&(e[0][0]=L(e[0][0],3),e[0][1]=L(e[0][1],3)),c["default"].createTimeRanges(e)}}),this.mediaSource_.player_.on("seeked",function(){if((0,g["default"])(0,Infinity,i.metadataTrack_),i.inbandTextTracks_)for(var e in i.inbandTextTracks_)(0,g["default"])(0,Infinity,i.inbandTextTracks_[e])});var s=this.onHlsReset_.bind(this);this.mediaSource_.player_.tech_.on("hls-reset",s),this.mediaSource_.player_.tech_.hls.on("dispose",function(){i.transmuxer_.terminate(),i.mediaSource_.player_.tech_.off("hls-reset",s)})}return s(t,e),o(t,[{key:"appendBuffer",value:function(e){var t=undefined;if(this.updating)throw t=new Error("SourceBuffer.append() cannot be called while an update is in progress"),t.name="InvalidStateError",t.code=11,t;this.updating=!0,this.mediaSource_.readyState="open",this.trigger({type:"update"}),this.transmuxer_.postMessage({action:"push",data:e.buffer,byteOffset:e.byteOffset,byteLength:e.byteLength},[e.buffer]),this.transmuxer_.postMessage({action:"flush"})}},{key:"abort",value:function(){this.buffer_=[],this.bufferSize_=0,this.mediaSource_.swfObj.vjs_abort(),this.updating&&(this.updating=!1,this.trigger({type:"updateend"}))}},{key:"remove",value:function(e,t){if((0,g["default"])(e,t,this.metadataTrack_),this.inbandTextTracks_)for(var i in this.inbandTextTracks_)(0,g["default"])(e,t,this.inbandTextTracks_[i]);this.trigger({type:"update"}),this.trigger({type:"updateend"})}},{key:"receiveBuffer_",value:function(e){var t=this;(0,_["default"])(this,this.mediaSource_,e),(0,v.addTextTrackData)(this,e.captions,e.metadata),E(function(){var i=t.convertTagsToData_(e);0===t.buffer_.length&&E(t.processBuffer_.bind(t)),i&&(t.buffer_.push(i),t.bufferSize_+=i.byteLength)})}},{key:"processBuffer_",value:function(){var e=this,t=O["default"].BYTES_PER_CHUNK;if(!this.buffer_.length)return void(!1!==this.updating&&(this.updating=!1,this.trigger({type:"updateend"})));var i=this.buffer_[0].subarray(0,t);i.byteLength<t||this.buffer_[0].byteLength===t?this.buffer_.shift():this.buffer_[0]=this.buffer_[0].subarray(t),this.bufferSize_-=i.byteLength;for(var n=[],r=i.byteLength,a=0;a<r;a++)n.push(String.fromCharCode(i[a]));var s=l["default"].btoa(n.join(""));l["default"][this.flashEncodedDataName_]=function(){return E(e.processBuffer_.bind(e)),delete l["default"][e.flashEncodedDataName_],s},this.mediaSource_.swfObj.vjs_appendChunkReady(this.flashEncodedDataName_)}},{key:"convertTagsToData_",value:function(e){var t=0,i=this.mediaSource_.tech_,n=0,r=undefined,a=e.tags.videoTags,s=e.tags.audioTags;if(isNaN(this.basePtsOffset_)&&(a.length||s.length)){var o=a[0]||{pts:Infinity},u=s[0]||{pts:Infinity};this.basePtsOffset_=Math.min(u.pts,o.pts)}i.seeking()&&(this.videoBufferEnd_=NaN,this.audioBufferEnd_=NaN),isNaN(this.videoBufferEnd_)?(i.buffered().length&&(n=i.buffered().end(0)-this.timestampOffset),i.seeking()&&(n=Math.max(n,i.currentTime()-this.timestampOffset)),n*=1e3,n+=this.basePtsOffset_):n=this.videoBufferEnd_+.1;var d=a.length;if(d&&a[d-1].pts>=n){for(;--d;){var l=a[d];if(!(l.pts>n)&&(l.keyFrame||l.metaDataTag))break}for(;d;){if(!a[d-1].metaDataTag)brea
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this.options_.enableLowInitialPlaylist=this.options_.enableLowInitialPlaylist&&4194304===this.options_.bandwidth,["withCredentials","bandwidth"].forEach(function(t){"undefined"!=typeof e.source_[t]&&(e.options_[t]=e.source_[t])}),this.bandwidth=this.options_.bandwidth}},{key:"src",value:function(e){var t=this;e&&(this.setOptions_(),this.options_.url=this.source_.src,this.options_.tech=this.tech_,this.options_.externHls=x,this.masterPlaylistController_=new k.MasterPlaylistController(this.options_),this.playbackWatcher_=new D["default"](w["default"].mergeOptions(this.options_,{seekable:function(){return t.seekable()}})),this.masterPlaylistController_.on("error",function(){w["default"].players[t.tech_.options_.playerId].error(t.masterPlaylistController_.error)}),this.masterPlaylistController_.selectPlaylist=this.selectPlaylist?this.selectPlaylist.bind(this):x.STANDARD_PLAYLIST_SELECTOR.bind(this),this.masterPlaylistController_.selectInitialPlaylist=x.INITIAL_PLAYLIST_SELECTOR.bind(this),this.playlists=this.masterPlaylistController_.masterPlaylistLoader_,this.mediaSource=this.masterPlaylistController_.mediaSource,Object.defineProperties(this,{selectPlaylist:{get:function(){return this.masterPlaylistController_.selectPlaylist},set:function(e){this.masterPlaylistController_.selectPlaylist=e.bind(this)}},throughput:{get:function(){return this.masterPlaylistController_.mainSegmentLoader_.throughput.rate},set:function(e){this.masterPlaylistController_.mainSegmentLoader_.throughput.rate=e,this.masterPlaylistController_.mainSegmentLoader_.throughput.count=1}},bandwidth:{get:function(){return this.masterPlaylistController_.mainSegmentLoader_.bandwidth},set:function(e){this.masterPlaylistController_.mainSegmentLoader_.bandwidth=e,this.masterPlaylistController_.mainSegmentLoader_.throughput={rate:0,count:0}}},systemBandwidth:{get:function(){var e=1/(this.bandwidth||1),t=undefined;return t=this.throughput>0?1/this.throughput:0,Math.floor(1/(e+t))},set:function(){w["default"].log.error('The "systemBandwidth" property is read-only')}}}),Object.defineProperties(this.stats,{bandwidth:{get:function(){return t.bandwidth||0},enumerable:!0},mediaRequests:{get:function(){return t.masterPlaylistController_.mediaRequests_()||0},enumerable:!0},mediaRequestsAborted:{get:function(){return t.masterPlaylistController_.mediaRequestsAborted_()||0},enumerable:!0},mediaRequestsTimedout:{get:function(){return t.masterPlaylistController_.mediaRequestsTimedout_()||0},enumerable:!0},mediaRequestsErrored:{get:function(){return t.masterPlaylistController_.mediaRequestsErrored_()||0},enumerable:!0},mediaTransferDuration:{get:function(){return t.masterPlaylistController_.mediaTransferDuration_()||0},enumerable:!0},mediaBytesTransferred:{get:function(){return t.masterPlaylistController_.mediaBytesTransferred_()||0},enumerable:!0},mediaSecondsLoaded:{get:function(){return t.masterPlaylistController_.mediaSecondsLoaded_()||0},enumerable:!0}}),this.tech_.one("canplay",this.masterPlaylistController_.setupFirstPlay.bind(this.masterPlaylistController_)),this.masterPlaylistController_.on("selectedinitialmedia",function(){(0,L["default"])(t)}),this.on(this.masterPlaylistController_,"progress",function(){this.tech_.trigger("progress")}),this.on(this.masterPlaylistController_,"firstplay",function(){this.ignoreNextSeekingEvent_=!0}),this.tech_.ready(function(){return t.setupQualityLevels_()}),this.tech_.el()&&this.tech_.src(w["default"].URL.createObjectURL(this.masterPlaylistController_.mediaSource)))}},{key:"setupQualityLevels_",value:function(){var e=this,t=w["default"].players[this.tech_.options_.playerId];t&&t.qualityLevels&&(this.qualityLevels_=t.qualityLevels(),this.masterPlaylistController_.on("selectedinitialmedia",function(){j(e.qualityLevels_,e)}),this.playlists.on("mediachange",function(){B(e.qualityLevels_,e.playlists)}))}},{key:"play",value:function(){this.masterPlaylistController_.play()}},{key:"setCurrentTime",value:function(e){this.masterPlaylistController_.setCurrentTime(e)}},{key:"duration",value:function(){return this.masterPlaylistController_.duration()}
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