dashjs/build/es5/src/streaming/controllers/ScheduleController.js

A reference client implementation for the playback of MPEG DASH via Javascript and compliant browsers.

'use strict';Object.defineProperty(exports,"__esModule",{value:true});var _Constants=require('../constants/Constants');var _Constants2=_interopRequireDefault(_Constants);var _PlayList=require('../vo/metrics/PlayList');var _AbrController=require('./AbrController');var _AbrController2=_interopRequireDefault(_AbrController);var _BufferController=require('./BufferController');var _BufferController2=_interopRequireDefault(_BufferController);var _BufferLevelRule=require('../rules/scheduling/BufferLevelRule');var _BufferLevelRule2=_interopRequireDefault(_BufferLevelRule);var _NextFragmentRequestRule=require('../rules/scheduling/NextFragmentRequestRule');var _NextFragmentRequestRule2=_interopRequireDefault(_NextFragmentRequestRule);var _FragmentModel=require('../models/FragmentModel');var _FragmentModel2=_interopRequireDefault(_FragmentModel);var _EventBus=require('../../core/EventBus');var _EventBus2=_interopRequireDefault(_EventBus);var _Events=require('../../core/events/Events');var _Events2=_interopRequireDefault(_Events);var _FactoryMaker=require('../../core/FactoryMaker');var _FactoryMaker2=_interopRequireDefault(_FactoryMaker);var _Debug=require('../../core/Debug');var _Debug2=_interopRequireDefault(_Debug);var _MediaController=require('./MediaController');var _MediaController2=_interopRequireDefault(_MediaController);function _interopRequireDefault(obj){return obj&&obj.__esModule?obj:{default:obj};}/**
 * The copyright in this software is being made available under the BSD License,
 * included below. This software may be subject to other third party and contributor
 * rights, including patent rights, and no such rights are granted under this license.
 *
 * Copyright (c) 2013, Dash Industry Forum.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *  * Redistributions of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *  this list of conditions and the following disclaimer in the documentation and/or
 *  other materials provided with the distribution.
 *  * Neither the name of Dash Industry Forum nor the names of its
 *  contributors may be used to endorse or promote products derived from this software
 *  without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS AS IS AND ANY
 *  EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
 *  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 *  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 *  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */function ScheduleController(config){config=config||{};var context=this.context;var eventBus=(0,_EventBus2.default)(context).getInstance();var adapter=config.adapter;var dashMetrics=config.dashMetrics;var timelineConverter=config.timelineConverter;var mediaPlayerModel=config.mediaPlayerModel;var abrController=config.abrController;var playbackController=config.playbackController;var streamController=config.streamController;var textController=config.textController;var type=config.type;var streamProcessor=config.streamProcessor;var mediaController=config.mediaController;var settings=config.settings;var instance=void 0,logger=void 0,fragmentModel=void 0,currentRepresentationInfo=void 0,initialRequest=void 0,isStopped=void 0,isFragmentProcessingInProgress=void 0,timeToLoadDelay=void 0,scheduleTimeout=void 0,seekTarget=void 0,bufferLevelRule=void 0,nextFragmentRequestRule=void 0,lastFragmentRequest=void 0,topQualityIndex=void 0,lastInitQuality=void 0,replaceRequestArray=void 0,switchTrack=void 0,bufferResetInProgress=void 0,mediaRequest=void 0,isReplacementRequest=void 0;function setup(){logger=(0,_Debug2.default)(context).getInstance().getLogger(instance);resetInitialSettings();}function initialize(){fragmentModel=streamProcessor.getFragmentModel();bufferLevelRule=(0,_BufferLevelRule2.default)(context).create({abrController:abrController,dashMetrics:dashMetrics,mediaPlayerModel:mediaPlayerModel,textController:textController,settings:settings});nextFragmentRequestRule=(0,_NextFragmentRequestRule2.default)(context).create({textController:textController,playbackController:playbackController});if(adapter.getIsTextTrack(config.mimeType)){eventBus.on(_Events2.default.TIMED_TEXT_REQUESTED,onTimedTextRequested,this);}//eventBus.on(Events.LIVE_EDGE_SEARCH_COMPLETED, onLiveEdgeSearchCompleted, this);
eventBus.on(_Events2.default.QUALITY_CHANGE_REQUESTED,onQualityChanged,this);eventBus.on(_Events2.default.DATA_UPDATE_STARTED,onDataUpdateStarted,this);eventBus.on(_Events2.default.DATA_UPDATE_COMPLETED,onDataUpdateCompleted,this);eventBus.on(_Events2.default.FRAGMENT_LOADING_COMPLETED,onFragmentLoadingCompleted,this);eventBus.on(_Events2.default.STREAM_COMPLETED,onStreamCompleted,this);eventBus.on(_Events2.default.STREAM_INITIALIZED,onStreamInitialized,this);eventBus.on(_Events2.default.BUFFER_LEVEL_STATE_CHANGED,onBufferLevelStateChanged,this);eventBus.on(_Events2.default.BUFFER_CLEARED,onBufferCleared,this);eventBus.on(_Events2.default.BYTES_APPENDED_END_FRAGMENT,onBytesAppended,this);eventBus.on(_Events2.default.INIT_REQUESTED,onInitRequested,this);eventBus.on(_Events2.default.QUOTA_EXCEEDED,onQuotaExceeded,this);eventBus.on(_Events2.default.PLAYBACK_SEEKING,onPlaybackSeeking,this);eventBus.on(_Events2.default.PLAYBACK_STARTED,onPlaybackStarted,this);eventBus.on(_Events2.default.PLAYBACK_RATE_CHANGED,onPlaybackRateChanged,this);eventBus.on(_Events2.default.PLAYBACK_TIME_UPDATED,onPlaybackTimeUpdated,this);eventBus.on(_Events2.default.URL_RESOLUTION_FAILED,onURLResolutionFailed,this);eventBus.on(_Events2.default.FRAGMENT_LOADING_ABANDONED,onFragmentLoadingAbandoned,this);}function isStarted(){return isStopped===false;}function start(){if(!currentRepresentationInfo||streamProcessor.isBufferingCompleted()){logger.warn('Start denied to Schedule Controller');return;}logger.debug('Schedule Controller starts');createPlaylistTraceMetrics();isStopped=false;if(initialRequest){initialRequest=false;}startScheduleTimer(0);}function stop(){if(isStopped){return;}logger.debug('Schedule Controller stops');isStopped=true;clearTimeout(scheduleTimeout);}function hasTopQualityChanged(type,id){topQualityIndex[id]=topQualityIndex[id]||{};var newTopQualityIndex=abrController.getTopQualityIndexFor(type,id);if(topQualityIndex[id][type]!=newTopQualityIndex){logger.info('Top quality '+type+' index has changed from '+topQualityIndex[id][type]+' to '+newTopQualityIndex);topQualityIndex[id][type]=newTopQualityIndex;return true;}return false;}function schedule(){var bufferController=streamProcessor.getBufferController();if(isStopped||isFragmentProcessingInProgress||!bufferController||playbackController.isPaused()&&!settings.get().streaming.scheduleWhilePaused||(type===_Constants2.default.FRAGMENTED_TEXT||type===_Constants2.default.TEXT)&&!textController.isTextEnabled()){logger.debug('Schedule stop!');return;}if(bufferController.getIsBufferingCompleted()){logger.debug('Schedule stop because buffering is completed!');return;}validateExecutedFragmentRequest();var isReplacement=replaceRequestArray.length>0;var streamInfo=streamProcessor.getStreamInfo();if(bufferResetInProgress||isNaN(lastInitQuality)||switchTrack||isReplacement||hasTopQualityChanged(currentRepresentationInfo.mediaInfo.type,streamInfo.id)||bufferLevelRule.execute(streamProcessor,streamController.isTrackTypePresent(_Constants2.default.VIDEO))){var getNextFragment=function getNextFragment(){var fragmentController=streamProcessor.getFragmentController();if((currentRepresentationInfo.quality!==lastInitQuality||switchTrack)&&!bufferResetInProgress){logger.debug('Quality has changed, get init request for representationid = '+currentRepresentationInfo.id);if(switchTrack){bufferResetInProgress=mediaController.getSwitchMode(type)===_MediaController2.default.TRACK_SWITCH_MODE_ALWAYS_REPLACE?true:false;logger.debug('Switch track has been asked, get init request for '+type+' with representationid = '+currentRepresentationInfo.id+'bufferResetInProgress = '+bufferResetInProgress);streamProcessor.switchInitData(currentRepresentationInfo.id,bufferResetInProgress);switchTrack=false;}else{streamProcessor.switchInitData(currentRepresentationInfo.id);}lastInitQuality=currentRepresentationInfo.quality;}else{var replacement=replaceRequestArray.shift();if(fragmentController.isInitializationRequest(replacement)){// To be sure the specific init segment had not already been loaded
streamProcessor.switchInitData(replacement.representationId);}else{var request=void 0;// Don't schedule next fragments while pruning to avoid buffer inconsistencies
if(!streamProcessor.getBufferController().getIsPruningInProgress()){request=nextFragmentRequestRule.execute(streamProcessor,seekTarget,replacement);setSeekTarget(NaN);if(request&&!replacement){if(!isNaN(request.startTime+request.duration)){streamProcessor.setIndexHandlerTime(request.startTime+request.duration);}request.delayLoadingTime=new Date().getTime()+timeToLoadDelay;setTimeToLoadDelay(0);}if(!request&&streamInfo.manifestInfo&&streamInfo.manifestInfo.isDynamic){logger.debug('Next fragment seems to be at the bleeding live edge and is not available yet. Rescheduling.');}}if(request){logger.debug('Next fragment request url is '+request.url);fragmentModel.executeRequest(request);}else{// Use case - Playing at the bleeding live edge and frag is not available yet. Cycle back around.
setFragmentProcessState(false);startScheduleTimer(settings.get().streaming.lowLatencyEnabled?100:500);}}}};setFragmentProcessState(true);if(!isReplacement&&!switchTrack){abrController.checkPlaybackQuality(type);}getNextFragment();}else{startScheduleTimer(500);}}function validateExecutedFragmentRequest(){// Validate that the fragment request executed and appended into the source buffer is as
// good of quality as the current quality and is the correct media track.
var time=playbackController.getTime();var safeBufferLevel=currentRepresentationInfo.fragmentDuration*1.5;var request=fragmentModel.getRequests({state:_FragmentModel2.default.FRAGMENT_MODEL_EXECUTED,time:time+safeBufferLevel,threshold:0})[0];if(request&&replaceRequestArray.indexOf(request)===-1&&!adapter.getIsTextTrack(type)){var fastSwitchModeEnabled=settings.get().streaming.fastSwitchEnabled;var bufferLevel=streamProcessor.getBufferLevel();var abandonmentState=abrController.getAbandonmentStateFor(type);// Only replace on track switch when NEVER_REPLACE
var trackChanged=!mediaController.isCurrentTrack(request.mediaInfo)&&mediaController.getSwitchMode(request.mediaInfo.type)===_MediaController2.default.TRACK_SWITCH_MODE_NEVER_REPLACE;var qualityChanged=request.quality<currentRepresentationInfo.quality;if(fastSwitchModeEnabled&&(trackChanged||qualityChanged)&&bufferLevel>=safeBufferLevel&&abandonmentState!==_AbrController2.default.ABANDON_LOAD){replaceRequest(request);isReplacementRequest=true;logger.debug('Reloading outdated fragment at index: ',request.index);}else if(request.quality>currentRepresentationInfo.quality&&!bufferResetInProgress){// The buffer has better quality it in then what we would request so set append point to end of buffer!!
setSeekTarget(playbackController.getTime()+streamProcessor.getBufferLevel());}}}function startScheduleTimer(value){clearTimeout(scheduleTimeout);scheduleTimeout=setTimeout(schedule,value);}function onInitRequested(e){if(!e.sender||e.sender.getStreamProcessor()!==streamProcessor){return;}getInitRequest(currentRepresentationInfo.quality);}function setFragmentProcessState(state){if(isFragmentProcessingInProgress!==state){isFragmentProcessingInProgress=state;}else{logger.debug('isFragmentProcessingInProgress is already equal to',state);}}function getInitRequest(quality){var request=streamProcessor.getInitRequest(quality);if(request){setFragmentProcessState(true);fragmentModel.executeRequest(request);}}function switchTrackAsked(){switchTrack=true;}function replaceRequest(request){replaceRequestArray.push(request);}function onQualityChanged(e){if(type!==e.mediaType||streamProcessor.getStreamInfo().id!==e.streamInfo.id){return;}currentRepresentationInfo=streamProcessor.getRepresentationInfo(e.newQuality);if(currentRepresentationInfo===null||currentRepresentationInfo===undefined){throw new Error('Unexpected error! - currentRepresentationInfo is null or undefined');}clearPlayListTraceMetrics(new Date(),_PlayList.PlayListTrace.REPRESENTATION_SWITCH_STOP_REASON);createPlaylistTraceMetrics();}function completeQualityChange(trigger){if(playbackController&&fragmentModel){var item=fragmentModel.getRequests({state:_FragmentModel2.default.FRAGMENT_MODEL_EXECUTED,time:playbackController.getTime(),threshold:0})[0];if(item&&playbackController.getTime()>=item.startTime){if((!lastFragmentRequest.mediaInfo||item.mediaInfo.type===lastFragmentRequest.mediaInfo.type&&item.mediaInfo.id!==lastFragmentRequest.mediaInfo.id)&&trigger){eventBus.trigger(_Events2.default.TRACK_CHANGE_RENDERED,{mediaType:type,oldMediaInfo:lastFragmentRequest.mediaInfo,newMediaInfo:item.mediaInfo});}if((item.quality!==lastFragmentRequest.quality||item.adaptationIndex!==lastFragmentRequest.adaptationIndex)&&trigger){eventBus.trigger(_Events2.default.QUALITY_CHANGE_RENDERED,{mediaType:type,oldQuality:lastFragmentRequest.quality,newQuality:item.quality});}lastFragmentRequest={mediaInfo:item.mediaInfo,quality:item.quality,adaptationIndex:item.adaptationIndex};}}}function onDataUpdateCompleted(e){if(e.error||e.sender.getStreamProcessor()!==streamProcessor){return;}currentRepresentationInfo=adapter.convertDataToRepresentationInfo(e.currentRepresentation);}function onStreamInitialized(e){if(streamProcessor.getStreamInfo().id!==e.streamInfo.id){return;}currentRepresentationInfo=streamProcessor.getRepresentationInfo();if(initialRequest){if(playbackController.getIsDynamic()){timelineConverter.setTimeSyncCompleted(true);setLiveEdgeSeekTarget();}else{setSeekTarget(playbackController.getStreamStartTime(false));streamProcessor.getBufferController().setSeekStartTime(seekTarget);}}if(isStopped){start();}}function setLiveEdgeSeekTarget(){var liveEdgeFinder=streamProcessor.getLiveEdgeFinder();if(liveEdgeFinder){var liveEdge=liveEdgeFinder.getLiveEdge();var dvrWindowSize=currentRepresentationInfo.mediaInfo.streamInfo.manifestInfo.DVRWindowSize/2;var startTime=liveEdge-playbackController.computeLiveDelay(currentRepresentationInfo.fragmentDuration,dvrWindowSize);var request=streamProcessor.getFragmentRequest(currentRepresentationInfo,startTime,{ignoreIsFinished:true});if(request){// When low latency mode is selected but browser doesn't support fetch
// start at the beginning of the segment to avoid consuming the whole buffer
if(settings.get().streaming.lowLatencyEnabled){var liveStartTime=request.duration<mediaPlayerModel.getLiveDelay()?request.startTime:request.startTime+request.duration-mediaPlayerModel.getLiveDelay();playbackController.setLiveStartTime(liveStartTime);}else{playbackController.setLiveStartTime(request.startTime);}}else{logger.debug('setLiveEdgeSeekTarget : getFragmentRequest returned undefined request object');}setSeekTarget(playbackController.getStreamStartTime(false,liveEdge));streamProcessor.getBufferController().setSeekStartTime(seekTarget);//special use case for multi period stream. If the startTime is out of the current period, send a seek command.
//in onPlaybackSeeking callback (StreamController), the detection of switch stream is done.
if(seekTarget>currentRepresentationInfo.mediaInfo.streamInfo.start+currentRepresentationInfo.mediaInfo.streamInfo.duration){playbackController.seek(seekTarget);}dashMetrics.updateManifestUpdateInfo({currentTime:seekTarget,presentationStartTime:liveEdge,latency:liveEdge-seekTarget,clientTimeOffset:timelineConverter.getClientTimeOffset()});}}function onStreamCompleted(e){if(e.fragmentModel!==fragmentModel){return;}stop();setFragmentProcessState(false);logger.info('Stream is complete');}function onFragmentLoadingCompleted(e){if(e.sender!==fragmentModel){return;}logger.info('OnFragmentLoadingCompleted - Url:',e.request?e.request.url:'undefined',', Range:',e.request.range?e.request.range:'undefined');if(adapter.getIsTextTrack(type)){setFragmentProcessState(false);}if(e.error&&e.request.serviceLocation&&!isStopped){replaceRequest(e.request);setFragmentProcessState(false);startScheduleTimer(0);}if(bufferResetInProgress){mediaRequest=e.request;}}function onPlaybackTimeUpdated(){completeQualityChange(true);}function onBytesAppended(e){if(e.sender.getStreamProcessor()!==streamProcessor){return;}if(bufferResetInProgress&&!isNaN(e.startTime)){bufferResetInProgress=false;fragmentModel.addExecutedRequest(mediaRequest);}setFragmentProcessState(false);if(isReplacementRequest&&!isNaN(e.startTime)){//replace requests process is in progress, call schedule in n seconds.
//it is done in order to not add a fragment at the new quality at the end of the buffer before replace process is over.
//Indeed, if schedule is called too early, the executed request tested is the same that the one tested during previous schedule (at the new quality).
var currentTime=playbackController.getTime();var fragEndTime=e.startTime+currentRepresentationInfo.fragmentDuration;var safeBufferLevel=currentRepresentationInfo.fragmentDuration*1.5;if(currentTime+safeBufferLevel>=fragEndTime){startScheduleTimer(0);}else{startScheduleTimer((fragEndTime-(currentTime+safeBufferLevel))*1000);}isReplacementRequest=false;}else{startScheduleTimer(0);}}function onFragmentLoadingAbandoned(e){if(e.streamProcessor!==streamProcessor){return;}logger.info('onFragmentLoadingAbandoned for '+type+', request: '+e.request.url+' has been aborted');if(!playbackController.isSeeking()&&!switchTrack){logger.info('onFragmentLoadingAbandoned for '+type+', request: '+e.request.url+' has to be downloaded again, origin is not seeking process or switch track call');replaceRequest(e.request);}setFragmentProcessState(false);startScheduleTimer(0);}function onDataUpdateStarted(e){if(e.sender.getStreamProcessor()!==streamProcessor){return;}stop();}function onBufferCleared(e){if(e.sender.getStreamProcessor()!==streamProcessor){return;}var streamInfo=streamProcessor.getStreamInfo();if(streamInfo){if(e.unintended){// There was an unintended buffer remove, probably creating a gap in the buffer, remove every saved request
fragmentModel.removeExecutedRequestsAfterTime(e.from);}else{fragmentModel.syncExecutedRequestsWithBufferedRange(streamProcessor.getBufferController().getBuffer().getAllBufferRanges(),streamInfo.duration);}}if(e.hasEnoughSpaceToAppend&&isStopped){start();}}function onBufferLevelStateChanged(e){if(e.sender.getStreamProcessor()===streamProcessor&&e.state===_BufferController2.default.BUFFER_EMPTY&&!playbackController.isSeeking()){logger.info('Buffer is empty! Stalling!');clearPlayListTraceMetrics(new Date(),_PlayList.PlayListTrace.REBUFFERING_REASON);}}function onQuotaExceeded(e){if(e.sender.getStreamProcessor()!==streamProcessor){return;}stop();setFragmentProcessState(false);}function onURLResolutionFailed(){fragmentModel.abortRequests();stop();}function onTimedTextRequested(e){if(e.sender.getStreamProcessor()!==streamProcessor){return;}//if subtitles are disabled, do not download subtitles file.
if(textController.isTextEnabled()){getInitRequest(e.index);}}function onPlaybackStarted(){if(isStopped||!settings.get().streaming.scheduleWhilePaused){start();}}function onPlaybackSeeking(e){setSeekTarget(e.seekTime);setTimeToLoadDelay(0);if(isStopped){start();}var latency=currentRepresentationInfo.DVRWindow&&playbackController?currentRepresentationInfo.DVRWindow.end-playbackController.getTime():NaN;dashMetrics.updateManifestUpdateInfo({latency:latency});//if, during the seek command, the scheduleController is waiting : stop waiting, request chunk as soon as possible
if(!isFragmentProcessingInProgress){startScheduleTimer(0);}else{logger.debug('onPlaybackSeeking for '+type+', call fragmentModel.abortRequests in order to seek quicker');fragmentModel.abortRequests();}}function onPlaybackRateChanged(e){dashMetrics.updatePlayListTraceMetrics({playbackspeed:e.playbackRate.toString()});}function setSeekTarget(value){seekTarget=value;}function setTimeToLoadDelay(value){timeToLoadDelay=value;}function getBufferTarget(){return bufferLevelRule.getBufferTarget(streamProcessor,streamController.isTrackTypePresent(_Constants2.default.VIDEO));}function getType(){return type;}function finalisePlayList(time,reason){clearPlayListTraceMetrics(time,reason);}function clearPlayListTraceMetrics(endTime,stopreason){dashMetrics.pushPlayListTraceMetrics(endTime,stopreason);}function createPlaylistTraceMetrics(){if(currentRepresentationInfo){var playbackRate=playbackController.getPlaybackRate();dashMetrics.createPlaylistTraceMetrics(currentRepresentationInfo.id,playbackController.getTime()*1000,playbackRate!==null?playbackRate.toString():null);}}function resetInitialSettings(){isFragmentProcessingInProgress=false;timeToLoadDelay=0;seekTarget=NaN;initialRequest=true;lastInitQuality=NaN;lastFragmentRequest={mediaInfo:undefined,quality:NaN,adaptationIndex:NaN};topQualityIndex={};replaceRequestArray=[];isStopped=true;switchTrack=false;bufferResetInProgress=false;mediaRequest=null;isReplacementRequest=false;}function reset(){//eventBus.off(Events.LIVE_EDGE_SEARCH_COMPLETED, onLiveEdgeSearchCompleted, this);
eventBus.off(_Events2.default.DATA_UPDATE_STARTED,onDataUpdateStarted,this);eventBus.off(_Events2.default.DATA_UPDATE_COMPLETED,onDataUpdateCompleted,this);eventBus.off(_Events2.default.BUFFER_LEVEL_STATE_CHANGED,onBufferLevelStateChanged,this);eventBus.off(_Events2.default.QUALITY_CHANGE_REQUESTED,onQualityChanged,this);eventBus.off(_Events2.default.FRAGMENT_LOADING_COMPLETED,onFragmentLoadingCompleted,this);eventBus.off(_Events2.default.STREAM_COMPLETED,onStreamCompleted,this);eventBus.off(_Events2.default.STREAM_INITIALIZED,onStreamInitialized,this);eventBus.off(_Events2.default.QUOTA_EXCEEDED,onQuotaExceeded,this);eventBus.off(_Events2.default.BYTES_APPENDED_END_FRAGMENT,onBytesAppended,this);eventBus.off(_Events2.default.BUFFER_CLEARED,onBufferCleared,this);eventBus.off(_Events2.default.INIT_REQUESTED,onInitRequested,this);eventBus.off(_Events2.default.PLAYBACK_RATE_CHANGED,onPlaybackRateChanged,this);eventBus.off(_Events2.default.PLAYBACK_SEEKING,onPlaybackSeeking,this);eventBus.off(_Events2.default.PLAYBACK_STARTED,onPlaybackStarted,this);eventBus.off(_Events2.default.PLAYBACK_TIME_UPDATED,onPlaybackTimeUpdated,this);eventBus.off(_Events2.default.URL_RESOLUTION_FAILED,onURLResolutionFailed,this);eventBus.off(_Events2.default.FRAGMENT_LOADING_ABANDONED,onFragmentLoadingAbandoned,this);if(adapter.getIsTextTrack(type)){eventBus.off(_Events2.default.TIMED_TEXT_REQUESTED,onTimedTextRequested,this);}stop();completeQualityChange(false);resetInitialSettings();}instance={initialize:initialize,getType:getType,setSeekTarget:setSeekTarget,setTimeToLoadDelay:setTimeToLoadDelay,replaceRequest:replaceRequest,switchTrackAsked:switchTrackAsked,isStarted:isStarted,start:start,stop:stop,reset:reset,getBufferTarget:getBufferTarget,finalisePlayList:finalisePlayList};setup();return instance;}ScheduleController.__dashjs_factory_name='ScheduleController';exports.default=_FactoryMaker2.default.getClassFactory(ScheduleController);
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