# 播放器demo 1. 导入模块 ```js import audio from '@ohos.multimedia.audio'; import PlayerModel from '../../common/PlayerModel.js'; import AVSessionManager from '@ohos.multimedia.avsession'; import WantAgent from '@ohos.wantAgent'; import display from '@ohos.display'; import multimedia_image from '@ohos.multimedia.image'; import featureAbility from '@ohos.ability.featureAbility'; import process from '@ohos.process'; ``` 2.demo代码 ```js export default { // 定义变量，请开发者根据实际情况使用 data: { container:'', div_image:'', titleCss:'', lyricCss:'', div_but:'', btn:'', image:'', btn_image:'', bell_div:'', slider_value:'', slider:'', btn1:'', btn2:'', deviceIdNew:null, btnCss:'', logListCss:'', listLog:'', btnS:'', isShowRk:false, isShowWgr:true, btnC:'', timeEnd:0, musicValue:0, intervalID:0, deviceArr:[], time: (new Date()).getTime(), assetIdArr:[], title: 'dynamic.wav', audioUrl: 'common/images/pause.png', loopModeUrl: 'common/images/ic_public_list_cycle1.png', artist:'品冠', lyric:'dynamic.wav-品冠的歌词', duration:1, index: 0, audioPlayer: null, isSwitching: false, playerModel: new PlayerModel(), audioManager: null, volume: 0, mediaFavorite: false, favoriteBtn:'btn1', currentSession: null, currentProgress: 0, logList: ['log日志显示'], loopMode: 1, speedMode: 'x1', speedArr: ['x1','x2','x0.5'], speedArrSet: [1.0,2.0,0.5], speedIndex: 0, mediaImage:'common/images/bg-tv.jpg', durationMin:'0:00', loopModeArr: ['common/images/ic_public_list_cycle1.png','common/images/ic_public_single_cycle2.png', 'common/images/ic_public_order_play3.png','common/images/ic_public_random4.png'], pixelMap:undefined, context:undefined, deviceId:[], deviceName:[], }, // 日志 log(log) { this.logList.unshift(this.logList.length + ': ' + JSON.stringify(log)); }, async onInit() { this.log("onInit start"); console.info(' ttt AVSessionPlayer[IndexPage] onInit start'); // 横竖屏幕适配 display.getDefaultDisplay((err, data) => { if ( data.width > data.height ) { console.info(' ttt AVSessionPlayer[IndexPage] getDefaultDisplay direction is horizontal.[width]' + data.width + '[height]' + data.height); this.container = 'W_container'; this.div_image = 'W_div-image'; this.image = 'W_image'; this.titleCss = 'W_title'; this.lyricCss = 'W_lyric'; this.div_but = 'W_div-but'; this.btn = 'W_btn'; this.btn_image = 'W_btn-image'; this.bell_div = 'W_bell-div'; this.slider_value = 'W_slider-value'; this.slider = 'W_slider'; this.btnCss = 'W_'; this.btnC = 'W_btnC'; this.favoriteBtn = 'W_btn1'; this.logListCss = 'W_logList'; this.listLog = 'W_listLog'; this.btnS = 'W_btnS'; this.isShowWgr = true; this.isShowRk= false; } else { console.info(' ttt AVSessionPlayer[IndexPage] getDefaultDisplay direction is vertical.[width]' + data.width + '[height]' + data.height); this.container = 'container'; this.div_image = 'div-image'; this.image = 'image'; this.titleCss = 'title'; this.lyricCss = 'lyric'; this.div_but = 'div-but'; this.btn = 'btn'; this.btn_image = 'btn-image'; this.bell_div = 'bell-div'; this.slider_value = 'slider-value'; this.slider = 'slider'; this.btnCss = ''; this.favoriteBtn = 'btn1'; this.logListCss = 'logList'; this.listLog = 'listLog'; this.btnS = 'btn'; this.btnC = 'btn'; this.isShowRk= true; this.isShowWgr = false; } }); this.context = await featureAbility.getContext(); this.audioUrl = 'common/images/pause.png'; // 请开发者根据实际情况使用 this.loopModeUrl = 'common/images/ic_public_list_cycle1.png'; // 请开发者根据实际情况使用 this.playerModel.setOnStatusChangedListener((isPlaying) => { this.log("setOnStatusChangedListener success "); console.info(' ttt AVSessionPlayer[IndexPage] on player status changed, isPlaying=' + isPlaying + ', refresh ui'); if (isPlaying) { this.audioUrl = 'common/images/play.png'; this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, position:{elapsedTime:this.musicValue, updateTime:this.onTime()}}).then(() =>{ }).catch ((e) => { this.log("error " + e.message); }); this.playMusic(); } else { clearInterval(this.intervalID); this.audioUrl = 'common/images/pause.png'; this.playerModel.pause(); clearInterval(this.intervalID); this.playerModel.seek(this.musicValue); this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PAUSE, position:{elapsedTime:this.musicValue, updateTime:this.onTime()}}).then(() => { }).catch ((e) => { this.log("error " + e.message); }); } }); this.playerModel.getPlaylist(() => { this.log('getPlaylist ok'); console.info(' ttt AVSessionPlayer[IndexPage] getPlaylist ok'); }); this.setPageData(); this.audioManager = await audio.getAudioManager(); this.log('getAudioManager ok'); AVSessionManager.on('sessionServiceDie', (descriptor) => { this.log('sessionServiceDie success'); }); // 创建avSession会话并激活 AVSessionManager.createAVSession(this.context,'AVSessionPlayer', 'audio').then(async(session) => { this.log('createAVSession success'); console.info("ttt AVSessionPlayer[IndexPage] createAVSession success"); this.currentSession = session; await this.currentSession.activate(() => { this.log('activate success'); }); // 获取输出设备信息 this.currentSession.getOutputDevice((err,outputDeviceInfo)=> { this.log("getOutputDevice success"); if (outputDeviceInfo && outputDeviceInfo.isRemote) { this.log('getOutputDevice success 1' + JSON.stringify(outputDeviceInfo.isRemote)); this.log('getOutputDevice success 2' + JSON.stringify(outputDeviceInfo.audioDeviceId)); this.log('getOutputDevice success 2' + JSON.stringify(outputDeviceInfo.deviceName)); if (outputDeviceInfo.audioDeviceId && outputDeviceInfo.deviceName) { for (let i = 0; i < outputDeviceInfo.audioDeviceId.length; i++) { let tem = { deviceId:outputDeviceInfo.audioDeviceId[i], deviceName:outputDeviceInfo.deviceName[i] } this.deviceArr.push(tem); } } else { this.log("getOutputDevice empty data"); } } else { this.log("getOutputDevice empty data"); } }); this.currentSession.setAudioStreamId([0,10,20]); let metadata = this.setMetaData(); // 设置会话元数据 this.currentSession.setAVMetadata(metadata,() => { this.log('onInit setAVMetadata success'); console.info(' ttt AVSessionPlayer[IndexPage] onInit setAVMetadata'); }); // 设置会话播放状态 this.currentSession.setAVPlaybackState({ speed:this.speedIndex,loopMode:AVSessionManager.LoopMode.LOOP_MODE_SEQUENCE, position:{elapsedTime:0,updateTime:this.onTime()} }, () => { this.log('onInit setAVPlaybackState success'); console.info(' ttt AVSessionPlayer[IndexPage] setAVPlaybackState'); }); // 设置启动ability let wantAgentInfo = { wants: [ { bundleName: this.context.getAbilityInfo().bundleName, abilityName: this.context.getAbilityInfo().name } ], operationType: WantAgent.OperationType.START_ABILITIES, requestCode: 0, wantAgentFlags: [WantAgent.WantAgentFlags.UPDATE_PRESENT_FLAG] }; WantAgent.getWantAgent(wantAgentInfo,(err,agent) => { WantAgent.getBundleName(agent).then((name) => { console.info('[ttt] AVSessionPlayer[IndexPage] getBundleName bundle name:' + name); this.log('getWantAgent success'); }, e => { console.error('[ttt] AVSessionPlayer[IndexPage] getBundleName error' + ' is ' + e.message); }); this.currentSession.setLaunchAbility(agent,() => { this.log('setLaunchAbility success '); }); }); // 注册播放命令监听 this.currentSession.on('play', () => { if (this.isSwitching) { console.info(' ttt AVSessionPlayer[IndexPage] onPlayClick ignored, isSwitching'); return; } this.log('on Play success callBack'); console.info(' ttt AVSessionPlayer[IndexPage] on Play success, isPlaying=' + this.playerModel.isPlaying + 'callBack'); this.playerModel.preLoad(this.index, () => { this.playerModel.play(-1, true); }); this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, position:{elapsedTime:this.musicValue, updateTime:this.onTime()}}).then(() =>{ }).catch ((e) => { this.log("error " + e.message); }); this.playMusic(); }); // 注册暂停命令监听 this.currentSession.on('pause', () => { if (this.isSwitching) { console.info(' ttt AVSessionPlayer[IndexPage] onPlayClick ignored, isSwitching'); return; } clearInterval(this.intervalID); this.log('on Pause success callBack'); console.info(' ttt AVSessionPlayer[IndexPage] onPause success, isPlaying ' + this.playerModel.isPlaying + 'callBack'); this.playerModel.pause(); this.playerModel.seek(this.musicValue); this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PAUSE, position:{elapsedTime:this.musicValue, updateTime:this.onTime()}}); }); // 注册停止命令监听 this.currentSession.on('stop', () => { this.log('on Stop success callBack'); console.info(' ttt AVSessionPlayer[IndexPage] stop success callBack'); this.playerModel.stop(); this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_STOP, position:{elapsedTime:this.musicValue,updateTime:this.onTime()}}); }); // 注册上一首命令监听 this.currentSession.on('playPrevious', () => { if (this.isSwitching) { console.info(' ttt AVSessionPlayer[IndexPage] onPreviousClick ignored, isSwitching'); return; } clearInterval(this.intervalID); this.log('on PlayPrevious success callBack'); console.info(' ttt AVSessionPlayer[IndexPage] onPrevious success callBack'); this.index--; this.musicValue = 0; this.playerModel.seek(0); if (this.index < 0 && this.playerModel.playlist.audioFiles.length >= 1) { this.index = this.playerModel.playlist.audioFiles.length - 1; } this.currentProgress = 0; this.isSwitching = true; this.playerModel.preLoad(this.index, () => { this.playerModel.play(0, true); this.isSwitching = false; }); this.setFavorite(); this.setPageData(); this.currentSession.setAVMetadata(this.setMetaData()); this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, position:{elapsedTime:this.musicValue,updateTime:this.onTime()}, bufferedTime:2000,isFavorite:this.mediaFavorite}) this.playMusic(); console.info(' ttt AVSessionPlayer[IndexPage] onPreviousClick callBack'); }); // 注册下一首命令监听 this.currentSession.on('playNext', () => { if (this.isSwitching) { console.info(' ttt AVSessionPlayer[IndexPage] playNext event is running.'); return; } clearInterval(this.intervalID); this.log('onPlayNext callBack success '); console.info(' ttt AVSessionPlayer[IndexPage] set playNext success callback.'); this.index++; this.musicValue = 0; if (this.index >= this.playerModel.playlist.audioFiles.length) { this.index = 0; } this.currentProgress = 0; this.playerModel.seek(0); this.isSwitching = true; this.playerModel.preLoad(this.index, () => { this.playerModel.play(0, true); this.isSwitching = false; }); this.setFavorite(); this.setPageData(); this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, position:{elapsedTime:0,updateTime:this.onTime()}, bufferedTime:2000,isFavorite:this.mediaFavorite}); this.currentSession.setAVMetadata(this.setMetaData()); console.info(' ttt AVSessionPlayer[IndexPage] playNext - setAVMetadata author:' + metadata.author + ', publishDate:' + metadata.publishDate); this.playMusic(); console.info(' ttt AVSessionPlayer[IndexPage] set playNext callback.' + this.title + ':' + this.artist); }); // 注册播放快进命令监听 this.currentSession.on('fastForward', () => { this.log('on FastForward success callBack'); console.info(' ttt AVSessionPlayer[IndexPage] fastForward success callBack'); }); // 注册播放快退命令监听 this.currentSession.on('rewind', () => { this.log('on Rewind success callBack'); console.info(' ttt AVSessionPlayer[IndexPage] rewind success callBack'); }); // 注册跳播命令监听 this.currentSession.on('seek', (time) => { this.log('on Seek success callBack'); console.info(' ttt AVSessionPlayer[IndexPage] seek success callBack is :' + time); this.musicValue = time; this.playerModel.seek(this.musicValue); this.currentSession.setAVPlaybackState({ position:{elapsedTime:this.musicValue,updateTime:this.onTime()}, bufferedTime:2000}); }); // 注册设置播放速度命令监听 this.currentSession.on('setSpeed', (speed) => { this.log('on SetSpeed success callBack'); console.info(' ttt AVSessionPlayer[IndexPage] set Speed success callBack is :' + speed); this.speedIndex = speed; this.speedMode = this.speedArr[this.speedIndex]; this.currentSession.setAVPlaybackState({ speed:this.speedIndex }, () => { console.info(' ttt AVSessionPlayer[IndexPage] onSetSpeed'); }); }); // 注册设置播放循环模式命令监听 this.currentSession.on('setLoopMode', (mode) => { this.log('on SetLoopMode success callBack'); console.info(' ttt AVSessionPlayer[IndexPage] setLoopMode success callBack is:' + mode); if (mode == 0) { this.loopMode = 1; this.loopModeUrl = 'common/images/ic_public_list_cycle1.png'; this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SEQUENCE}); } else if (mode == 1) { this.loopMode = 2; this.loopModeUrl = 'common/images/ic_public_single_cycle2.png'; this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SINGLE}); } else if (mode == 2) { this.loopMode = 3; this.loopModeUrl = 'common/images/ic_public_order_play3.png'; this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_LIST}); } else if (mode == 3) { this.loopMode = 4; this.loopModeUrl = 'common/images/ic_public_random4.png'; this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SHUFFLE}); } }); // 注册设置歌曲收藏命令监听 this.currentSession.on('toggleFavorite', (assetId) => { this.log('on ToggleFavorite success callBack'); console.info(' ttt AVSessionPlayer[IndexPage] toggleFavorite success callBack, assetId: ' + assetId); this.mediaFavorite = this.mediaFavorite == false? true : false; if (this.mediaFavorite) { this.favoriteBtn = this.btnCss + 'btn2'; this.assetIdArr.push(this.playerModel.playlist.audioFiles[this.index].assetId); } else { this.favoriteBtn = this.btnCss + 'btn1'; this.deleteAssetId(); } this.currentSession.setAVPlaybackState({isFavorite:this.mediaFavorite}); }); // 注册媒体按键命令监听 this.currentSession.on('handleKeyEvent', (event) => { this.log('on HandleKeyEvent success callBack '); console.info(' ttt AVSessionPlayer[IndexPage] handleKeyEvent success callBack,event is: ' + JSON.stringify(event)); }); // 注册播放设备变化命令监听 this.currentSession.on('outputDeviceChanged', (device) => { this.log('on OutputDeviceChanged success callBack '); console.info(' ttt AVSessionPlayer[IndexPage] outputDeviceChanged success callBack, is: ' + device.deviceName); }); }, e => { console.info(' ttt AVSessionPlayer[IndexPage] createAVSession log code is ' + e.code + 'message is' + e.message); }).then(()=>{ let state = { state: AVSessionManager.PlaybackState.PLAYBACK_STATE_STOP, speed: 1.0, position: {elapsedTime:0, updateTime:this.onTime()}, bufferedTime: 2000, loopMode: AVSessionManager.LoopMode.LOOP_MODE_SEQUENCE, isFavorite: false, }; this.currentSession.setAVPlaybackState(state); console.info(' ttt AVSessionPlayer[IndexPage] setAVPlaybackState state complete.'); }).then(()=>{ console.info(' ttt AVSessionPlayer[IndexPage] this.currentSession is activate.'); // return this.currentSession.activate(); }), e => { console.info(' ttt AVSessionPlayer[IndexPage] createAVSession code is ' + e.code + 'message is' + e.message); } }, // 释放资源 onDestroy() { this.log('onDestroy Start'); console.info(' ttt AVSessionPlayer[IndexPage] this.currentSession is destroy.'); this.currentSession.off('handleKeyEvent'); this.currentSession.off('seek'); this.currentSession.off('play'); this.currentSession.off('pause'); this.currentSession.off('stop'); this.currentSession.off('playNext'); this.currentSession.off('playPrevious'); this.currentSession.off('fastForward'); this.currentSession.off('rewind'); this.currentSession.off('setSpeed'); this.currentSession.off('setLoopMode'); this.currentSession.off('toggleFavorite'); this.currentSession.off('outputDeviceChanged'); this.currentSession.deactivate().then(() => { this.currentSession.destroy(); }); this.log('onDestroy end'); }, // 设置循环模式 onSetLoopMode() { this.log('onSetLoopMode Start'); console.info(' ttt AVSessionPlayer[IndexPage] onSetLoopMode ' + this.loopMode + this.loopModeUrl); this.loopMode++; if (this.loopMode > 4) { this.loopMode = 1; } if (this.loopMode == 1) { this.loopModeUrl = 'common/images/ic_public_list_cycle1.png'; this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SEQUENCE}); } else if (this.loopMode == 2) { this.loopModeUrl = 'common/images/ic_public_single_cycle2.png'; this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SINGLE}); } else if (this.loopMode == 3) { this.loopModeUrl = 'common/images/ic_public_order_play3.png'; this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_LIST}); } else if (this.loopMode == 4) { this.loopModeUrl = 'common/images/ic_public_random4.png'; this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SHUFFLE}); } else { this.loopModeUrl = 'common/images/ic_public_list_cycle1.png'; this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SEQUENCE}); } console.info(' ttt AVSessionPlayer[IndexPage] onSetLoopMode 22 ' + this.loopMode + this.loopModeUrl); }, // 设置播放速度 onSetSpeed() { this.log('onSetLoopMode start'); this.speedIndex++; if (this.speedIndex > 2) { this.speedIndex = 0 } this.speedMode = this.speedArr[this.speedIndex]; this.currentSession.setAVPlaybackState({ speed:this.speedIndex }, () => { console.info(' ttt AVSessionPlayer[IndexPage] onSetSpeed'); }); }, // 点击播放 onPlayClick() { this.log('onPlayClick start'); if (this.isSwitching) { console.info(' ttt AVSessionPlayer[IndexPage] onPlayClick ignored, isSwitching'); return; } console.info(' ttt AVSessionPlayer[IndexPage] onPlayClick, isPlaying=' + this.playerModel.isPlaying); if (this.playerModel.isPlaying) { this.playerModel.pause(); this.playerModel.seek(this.musicValue); clearInterval(this.intervalID); this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PAUSE, position:{elapsedTime:this.musicValue,updateTime:this.onTime()}, bufferedTime:2000}); } else { this.playerModel.preLoad(this.index, () => { this.playerModel.play(-1, true); this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, position:{elapsedTime:this.musicValue,updateTime:this.onTime()}}); this.playMusic(); }); } }, // 播放音乐 playMusic() { let this_ = this; let startT = this.musicValue; clearInterval(this.intervalID); this.intervalID = setInterval(function() { this_.musicValue += (0.5 * this_.speedArrSet[this_.speedIndex] * 1000); // this_.playerModel.seek(this_.musicValue); if (this_.musicValue > this_.playerModel.playlist.audioFiles[this_.index].duration) { this_.musicValue = 0; if (this_.loopMode == 1) { this_.onNextClick(); clearInterval(this_.intervalID); } else if (this_.loopMode == 2) { this_.musicValue = 0; this_.playerModel.preLoad(this_.index, () => { this_.playerModel.play(0, true) console.info(' ttt AVSessionPlayer[IndexPage] onPlayClick isPlaying :' + this_.playerModel.isPlaying); this_.isSwitching = false; }); } else if (this_.loopMode == 3) { clearInterval(this_.intervalID); this_.onNextClick(); } else if (this_.loopMode == 4) { clearInterval(this_.intervalID); this_.index = Math.floor(Math.random()*4); this_.onNextClick(); } } }, 500); this_.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, position:{elapsedTime:startT,updateTime:this_.onTime()}, bufferedTime:2000}); }, // 点击上一首 onPreviousClick() { this.log('onPreviousClick start') if (this.isSwitching) { console.info(' ttt AVSessionPlayer[IndexPage] onPreviousClick ignored, isSwitching'); return; } clearInterval(this.intervalID); console.info(' ttt AVSessionPlayer[IndexPage] onPreviousClick'); this.index--; this.musicValue = 0; this.playerModel.seek(0); if (this.index < 0 && this.playerModel.playlist.audioFiles.length >= 1) { this.index = this.playerModel.playlist.audioFiles.length - 1; } this.currentProgress = 0; this.isSwitching = true; this.playerModel.preLoad(this.index, () => { this.playerModel.play(0, true); this.isSwitching = false; }); this.setFavorite(); this.setPageData(); this.currentSession.setAVMetadata(this.setMetaData()); this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, position:{elapsedTime:0,updateTime:this.onTime()}, bufferedTime:2000, isFavorite:this.mediaFavorite}) console.info(' ttt AVSessionPlayer[IndexPage] onPreviousClick 11111'); this.playMusic(); }, // 点击下一首 onNextClick() { this.log('onNextClick start'); if (this.isSwitching) { console.info(' ttt AVSessionPlayer[IndexPage] onNextClick ignored, isSwitching'); return; } clearInterval(this.intervalID); console.info(' ttt AVSessionPlayer[IndexPage] onNextClick'); this.index++; this.musicValue = 0; this.playerModel.seek(0); if (this.index >= this.playerModel.playlist.audioFiles.length) { this.index = 0; } this.currentProgress = 0; this.isSwitching = true; let self = this; this.playerModel.preLoad(this.index, () => { self.playerModel.play(0, true); self.isSwitching = false; }); this.setFavorite(); this.setPageData(); console.info(" ttt this.setMetaData()0 : "); let metadata = this.setMetaData() console.info(" ttt this.setMetaData()1 : " + metadata.mediaImage); this.currentSession.setAVMetadata(metadata); console.info(" ttt this.setMetaData()2 : " + metadata.mediaImage); this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, position:{elapsedTime:0,updateTime:this.onTime()}, bufferedTime:2000, isFavorite:this.mediaFavorite}) console.info(" ttt this.setMetaData()3 : " + metadata.mediaImage); this.playMusic(); }, media(e) { this.log('onMedia start') this.volume = e.value this.audioManager.setVolume(audio.AudioVolumeType.MEDIA, this.volume).then(() => { console.info(' ttt Promise returned to indicate a successful volume setting.'); }); }, // 设置收藏 async setFavorite() { console.info(' ttt AVSessionPlayer[IndexPage] setFavorite1' + this.mediaFavorite); let flg = false; for(let i = 0; i < this.assetIdArr.length; i++) { if (this.assetIdArr[i] == this.playerModel.playlist.audioFiles[this.index].assetId) { console.info(' ttt AVSessionPlayer[IndexPage] setFavorite1 id:' + this.assetIdArr[i] + " assetId:" + this.playerModel.playlist.audioFiles[this.index].assetId); flg = true; break; } } this.mediaFavorite = flg; if (this.mediaFavorite) { this.favoriteBtn = this.btnCss + 'btn2'; } else { this.favoriteBtn = this.btnCss + 'btn1'; } console.info(' ttt AVSessionPlayer[IndexPage] setFavorite2' + this.mediaFavorite); }, showPanel() { this.$element('showPanel').show(); }, closePanel() { this.$element('showPanel').close(); }, async toggleFavorite() { this.log('toggleFavorite start'); console.info(' ttt AVSessionPlayer[IndexPage] toggleFavorite'); this.mediaFavorite = this.mediaFavorite == false? true : false; if (this.mediaFavorite) { this.favoriteBtn = this.btnCss + 'btn2'; this.assetIdArr.push(this.playerModel.playlist.audioFiles[this.index].assetId); } else { this.favoriteBtn = this.btnCss + 'btn1'; this.deleteAssetId(); } this.currentSession.setAVPlaybackState({isFavorite:this.mediaFavorite}); console.info(' ttt AVSessionPlayer[IndexPage] toggleFavorite' + this.assetIdArr.toString()); }, deleteAssetId() { for(let i = 0; i < this.assetIdArr.length; i++) { if (this.assetIdArr[i] == this.playerModel.playlist.audioFiles[this.index].assetId) { this.assetIdArr.splice(i,1); } } }, setPageData() { this.title = this.playerModel.playlist.audioFiles[this.index].title; this.artist = this.playerModel.playlist.audioFiles[this.index].artist; this.lyric = this.playerModel.playlist.audioFiles[this.index].lyric; this.duration = this.playerModel.playlist.audioFiles[this.index].duration; this.mediaImage = this.playerModel.playlist.audioFiles[this.index].mediaImage; console.info('ttt AVSessionPlayer[IndexPage] setPageData - mediaImage' + this.mediaImage); let muv = this.duration/1000 let minutes = Math.floor(muv / 60); let seconds = muv % 60; if (seconds.toString().length < 2) { seconds = '0' + seconds.toString(); } this.durationMin = minutes.toString() + ':' + seconds.toString(); }, mediaMusic(e) { console.info('ttt AVSessionPlayer[IndexPage] mediaMusic'); this.log('mediaMusic start'); let startT = this.musicValue; this.musicValue = e.value; this.playerModel.seek(this.musicValue); if (this.playerModel.isPlaying) { this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, position:{elapsedTime:startT,updateTime:this.onTime()}, bufferedTime:2000}); } else { this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PAUSE, position:{elapsedTime:startT,updateTime:this.onTime()}, bufferedTime:2000}); } }, setMetaData() { return { assetId:this.playerModel.playlist.audioFiles[this.index].assetId, title:this.playerModel.playlist.audioFiles[this.index].title, artist:this.playerModel.playlist.audioFiles[this.index].artist, lyric:this.playerModel.playlist.audioFiles[this.index].lyric, duration:this.playerModel.playlist.audioFiles[this.index].duration, mediaImage:this.playerModel.playlist.audioFiles[this.index].mediaImage, author: this.playerModel.playlist.audioFiles[this.index].author, album: this.playerModel.playlist.audioFiles[this.index].album, writer: this.playerModel.playlist.audioFiles[this.index].writer, composer: this.playerModel.playlist.audioFiles[this.index].composer, publishDate: this.playerModel.playlist.audioFiles[this.index].publishDate, subtitle: this.playerModel.playlist.audioFiles[this.index].subtitle, description: this.playerModel.playlist.audioFiles[this.index].description, previousAssetId: this.playerModel.playlist.audioFiles[this.index].previousAssetId, nextAssetId: this.playerModel.playlist.audioFiles[this.index].nextAssetId } }, onTime() { return (new Date()).getTime(); }, sleep(ms) { return new Promise(resolve => { setTimeout(resolve,ms) }) }, getDeviceList() { this.log('getDeviceList method'); this.$element("eventDialog").show(); }, getDevice(e) { this.log("getDeviceId success :" + e.newValue); this.deviceIdNew = e.newValue; }, changeDevice() { this.$element("eventDialog").close(); this.castAudio(); }, // 远端投播 async castAudio() { this.log('castAudio method'); this.audioManager.getRoutingManager((err,audioRoutingManager) => { this.log('getRoutingManager success'); audioRoutingManager.getDevices(4,(err,AudioDeviceDescriptors) => { this.log('getDevices success'); if (AudioDeviceDescriptors) { this.log('getDeviceIds' + JSON.stringify(AudioDeviceDescriptors)); for (let i = 0; i < AudioDeviceDescriptors.length; i++) { this.log("id = " + AudioDeviceDescriptors[i].id); } } let token = { sessionId:this.currentSession.sessionId, pid:process.pid, uid:process.uid }; AVSessionManager.castAudio(token,AudioDeviceDescriptors,(err) => { if (err) { this.log('castAudio err'); console.info(' ttt AVSessionPlayer[IndexPage] castAudio err'); } else { this.log('castAudio success'); console.info(' ttt AVSessionPlayer[IndexPage] castAudio success'); } }); }); }); }, avdestroy() { this.currentSession.destroy(); }, deactive() { this.currentSession.deactivate(); }, active() { this.currentSession.activate(); }, offplay() { this.currentSession.off('play'); }, offpause() { this.currentSession.off('pause'); }, offplaynext() { this.currentSession.off('playNext'); }, offplayprevious() { this.currentSession.off('playPrevious'); }, offseek() { this.currentSession.off('seek'); }, offsetspeed() { this.currentSession.off('setSpeed'); }, offsetloopmode() { this.currentSession.off('setLoopMode'); }, offtogglefavorite() { this.currentSession.off('toggleFavorite'); }, offhandlekeyhevent() { this.currentSession.off('handleKeyEvent'); }, offsessionservicedie() { AVSessionManager.off('sessionServiceDie'); }, } ```