@l5i/dashjs/build/es5/src/streaming/StreamProcessor.js

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

/**
 * 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.
 */'use strict';Object.defineProperty(exports,'__esModule',{value:true});function _interopRequireDefault(obj){return obj && obj.__esModule?obj:{'default':obj};}var _constantsConstants=require('./constants/Constants');var _constantsConstants2=_interopRequireDefault(_constantsConstants);var _utilsLiveEdgeFinder=require('./utils/LiveEdgeFinder');var _utilsLiveEdgeFinder2=_interopRequireDefault(_utilsLiveEdgeFinder);var _controllersBufferController=require('./controllers/BufferController');var _controllersBufferController2=_interopRequireDefault(_controllersBufferController);var _textTextBufferController=require('./text/TextBufferController');var _textTextBufferController2=_interopRequireDefault(_textTextBufferController);var _controllersScheduleController=require('./controllers/ScheduleController');var _controllersScheduleController2=_interopRequireDefault(_controllersScheduleController);var _dashControllersRepresentationController=require('../dash/controllers/RepresentationController');var _dashControllersRepresentationController2=_interopRequireDefault(_dashControllersRepresentationController);var _coreFactoryMaker=require('../core/FactoryMaker');var _coreFactoryMaker2=_interopRequireDefault(_coreFactoryMaker);var _dashDashHandler=require('../dash/DashHandler');var _dashDashHandler2=_interopRequireDefault(_dashDashHandler);function StreamProcessor(config){config = config || {};var context=this.context;var indexHandler=undefined;var type=config.type;var errHandler=config.errHandler;var mimeType=config.mimeType;var timelineConverter=config.timelineConverter;var adapter=config.adapter;var manifestModel=config.manifestModel;var mediaPlayerModel=config.mediaPlayerModel;var stream=config.stream;var abrController=config.abrController;var playbackController=config.playbackController;var streamController=config.streamController;var mediaController=config.mediaController;var textController=config.textController;var domStorage=config.domStorage;var metricsModel=config.metricsModel;var dashMetrics=config.dashMetrics;var dashManifestModel=config.dashManifestModel;var instance=undefined,mediaInfo=undefined,mediaInfoArr=undefined,bufferController=undefined,scheduleController=undefined,liveEdgeFinder=undefined,representationController=undefined,fragmentModel=undefined,spExternalControllers=undefined;function setup(){if(playbackController && playbackController.getIsDynamic()){liveEdgeFinder = (0,_utilsLiveEdgeFinder2['default'])(context).create({timelineConverter:timelineConverter,streamProcessor:instance});}resetInitialSettings();}function initialize(mediaSource){indexHandler = (0,_dashDashHandler2['default'])(context).create({mimeType:mimeType,timelineConverter:timelineConverter,dashMetrics:dashMetrics,metricsModel:metricsModel,mediaPlayerModel:mediaPlayerModel,baseURLController:config.baseURLController,errHandler:errHandler}); // initialize controllers
indexHandler.initialize(instance);abrController.registerStreamType(type,instance);fragmentModel = stream.getFragmentController().getModel(type);fragmentModel.setStreamProcessor(instance);bufferController = createBufferControllerForType(type);scheduleController = (0,_controllersScheduleController2['default'])(context).create({type:type,mimeType:mimeType,metricsModel:metricsModel,adapter:adapter,dashMetrics:dashMetrics,dashManifestModel:dashManifestModel,timelineConverter:timelineConverter,mediaPlayerModel:mediaPlayerModel,abrController:abrController,playbackController:playbackController,streamController:streamController,textController:textController,streamProcessor:instance,mediaController:mediaController});representationController = (0,_dashControllersRepresentationController2['default'])(context).create();representationController.setConfig({abrController:abrController,domStorage:domStorage,metricsModel:metricsModel,dashMetrics:dashMetrics,dashManifestModel:dashManifestModel,manifestModel:manifestModel,playbackController:playbackController,timelineConverter:timelineConverter,streamProcessor:instance});bufferController.initialize(mediaSource);scheduleController.initialize();representationController.initialize();}function registerExternalController(controller){spExternalControllers.push(controller);}function unregisterExternalController(controller){var index=spExternalControllers.indexOf(controller);if(index !== -1){spExternalControllers.splice(index,1);}}function getExternalControllers(){return spExternalControllers;}function unregisterAllExternalController(){spExternalControllers = [];}function resetInitialSettings(){mediaInfoArr = [];mediaInfo = null;unregisterAllExternalController();}function reset(errored,keepBuffers){indexHandler.reset();if(bufferController){bufferController.reset(errored,keepBuffers);bufferController = null;}if(scheduleController){scheduleController.reset();scheduleController = null;}if(representationController){representationController.reset();representationController = null;}if(abrController){abrController.unRegisterStreamType(type);}spExternalControllers.forEach(function(controller){controller.reset();});resetInitialSettings();type = null;stream = null;if(liveEdgeFinder){liveEdgeFinder.reset();liveEdgeFinder = null;}}function isUpdating(){return representationController?representationController.isUpdating():false;}function getType(){return type;}function getRepresentationController(){return representationController;}function getIndexHandler(){return indexHandler;}function getFragmentController(){return stream?stream.getFragmentController():null;}function getBuffer(){return bufferController.getBuffer();}function setBuffer(buffer){bufferController.setBuffer(buffer);}function getBufferController(){return bufferController;}function getFragmentModel(){return fragmentModel;}function getLiveEdgeFinder(){return liveEdgeFinder;}function getStreamInfo(){return stream?stream.getStreamInfo():null;}function addInbandEvents(events){if(stream){stream.addInbandEvents(events);}}function selectMediaInfo(newMediaInfo){if(newMediaInfo !== mediaInfo && (!newMediaInfo || !mediaInfo || newMediaInfo.type === mediaInfo.type)){mediaInfo = newMediaInfo;}adapter.updateData(this);}function addMediaInfo(newMediaInfo,selectNewMediaInfo){if(mediaInfoArr.indexOf(newMediaInfo) === -1){mediaInfoArr.push(newMediaInfo);}if(selectNewMediaInfo){this.selectMediaInfo(newMediaInfo);}}function getMediaInfoArr(){return mediaInfoArr;}function getMediaInfo(){return mediaInfo;}function getMediaSource(){return bufferController.getMediaSource();}function setMediaSource(mediaSource){bufferController.setMediaSource(mediaSource,getMediaInfo());}function dischargePreBuffer(){bufferController.dischargePreBuffer();}function getScheduleController(){return scheduleController;}function getRepresentationInfo(quality){return adapter.getRepresentationInfo(representationController,quality);}function isBufferingCompleted(){if(bufferController){return bufferController.getIsBufferingCompleted();}return false;}function timeIsBuffered(time){if(bufferController){return bufferController.getRangeAt(time,0) !== null;}return false;}function getBufferLevel(){return bufferController.getBufferLevel();}function switchInitData(representationId,bufferResetEnabled){if(bufferController){bufferController.switchInitData(getStreamInfo().id,representationId,bufferResetEnabled);}}function createBuffer(previousBuffers){return bufferController.getBuffer() || bufferController.createBuffer(mediaInfo,previousBuffers);}function switchTrackAsked(){scheduleController.switchTrackAsked();}function createBufferControllerForType(type){var controller=null;if(type === _constantsConstants2['default'].VIDEO || type === _constantsConstants2['default'].AUDIO){controller = (0,_controllersBufferController2['default'])(context).create({type:type,metricsModel:metricsModel,mediaPlayerModel:mediaPlayerModel,manifestModel:manifestModel,errHandler:errHandler,streamController:streamController,mediaController:mediaController,adapter:adapter,textController:textController,abrController:abrController,playbackController:playbackController,streamProcessor:instance});}else {controller = (0,_textTextBufferController2['default'])(context).create({type:type,mimeType:mimeType,metricsModel:metricsModel,mediaPlayerModel:mediaPlayerModel,manifestModel:manifestModel,errHandler:errHandler,streamController:streamController,mediaController:mediaController,adapter:adapter,textController:textController,abrController:abrController,playbackController:playbackController,streamProcessor:instance});}return controller;}function getPlaybackController(){return playbackController;}instance = {initialize:initialize,isUpdating:isUpdating,getType:getType,getBufferController:getBufferController,getFragmentModel:getFragmentModel,getScheduleController:getScheduleController,getLiveEdgeFinder:getLiveEdgeFinder,getFragmentController:getFragmentController,getRepresentationController:getRepresentationController,getIndexHandler:getIndexHandler,getPlaybackController:getPlaybackController,getRepresentationInfo:getRepresentationInfo,getBufferLevel:getBufferLevel,switchInitData:switchInitData,isBufferingCompleted:isBufferingCompleted,timeIsBuffered:timeIsBuffered,createBuffer:createBuffer,getStreamInfo:getStreamInfo,selectMediaInfo:selectMediaInfo,addMediaInfo:addMediaInfo,switchTrackAsked:switchTrackAsked,getMediaInfoArr:getMediaInfoArr,getMediaInfo:getMediaInfo,getMediaSource:getMediaSource,setMediaSource:setMediaSource,dischargePreBuffer:dischargePreBuffer,getBuffer:getBuffer,setBuffer:setBuffer,registerExternalController:registerExternalController,unregisterExternalController:unregisterExternalController,getExternalControllers:getExternalControllers,unregisterAllExternalController:unregisterAllExternalController,addInbandEvents:addInbandEvents,reset:reset};setup();return instance;}StreamProcessor.__dashjs_factory_name = 'StreamProcessor';exports['default'] = _coreFactoryMaker2['default'].getClassFactory(StreamProcessor);module.exports = exports['default'];
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