1# 播放器demo 2 31. 导入模块 4```js 5import audio from '@ohos.multimedia.audio'; 6import PlayerModel from '../../common/PlayerModel.js'; 7import AVSessionManager from '@ohos.multimedia.avsession'; 8import WantAgent from '@ohos.wantAgent'; 9import display from '@ohos.display'; 10import multimedia_image from '@ohos.multimedia.image'; 11import featureAbility from '@ohos.ability.featureAbility'; 12import process from '@ohos.process'; 13``` 14 152.demo代码 16 17```js 18 19export default { 20 // 定义变量，请开发者根据实际情况使用 21 data: { 22 container:'', 23 div_image:'', 24 titleCss:'', 25 lyricCss:'', 26 div_but:'', 27 btn:'', 28 image:'', 29 btn_image:'', 30 bell_div:'', 31 slider_value:'', 32 slider:'', 33 btn1:'', 34 btn2:'', 35 deviceIdNew:null, 36 btnCss:'', 37 logListCss:'', 38 listLog:'', 39 btnS:'', 40 isShowRk:false, 41 isShowWgr:true, 42 btnC:'', 43 timeEnd:0, 44 musicValue:0, 45 intervalID:0, 46 deviceArr:[], 47 time: (new Date()).getTime(), 48 assetIdArr:[], 49 title: 'dynamic.wav', 50 audioUrl: 'common/images/pause.png', 51 loopModeUrl: 'common/images/ic_public_list_cycle1.png', 52 artist:'品冠', 53 lyric:'dynamic.wav-品冠的歌词', 54 duration:1, 55 index: 0, 56 audioPlayer: null, 57 isSwitching: false, 58 playerModel: new PlayerModel(), 59 audioManager: null, 60 volume: 0, 61 mediaFavorite: false, 62 favoriteBtn:'btn1', 63 currentSession: null, 64 currentProgress: 0, 65 logList: ['log日志显示'], 66 loopMode: 1, 67 speedMode: 'x1', 68 speedArr: ['x1','x2','x0.5'], 69 speedArrSet: [1.0,2.0,0.5], 70 speedIndex: 0, 71 mediaImage:'common/images/bg-tv.jpg', 72 durationMin:'0:00', 73 loopModeArr: ['common/images/ic_public_list_cycle1.png','common/images/ic_public_single_cycle2.png', 74 'common/images/ic_public_order_play3.png','common/images/ic_public_random4.png'], 75 pixelMap:undefined, 76 context:undefined, 77 deviceId:[], 78 deviceName:[], 79 }, 80 81 // 日志 82 log(log) { 83 this.logList.unshift(this.logList.length + ': ' + JSON.stringify(log)); 84 }, 85 86 async onInit() { 87 this.log("onInit start"); 88 console.info(' ttt AVSessionPlayer[IndexPage] onInit start'); 89 // 横竖屏幕适配 90 display.getDefaultDisplay((err, data) => { 91 if ( data.width > data.height ) { 92 console.info(' ttt AVSessionPlayer[IndexPage] getDefaultDisplay direction is horizontal.[width]' + 93 data.width + '[height]' + data.height); 94 this.container = 'W_container'; 95 this.div_image = 'W_div-image'; 96 this.image = 'W_image'; 97 this.titleCss = 'W_title'; 98 this.lyricCss = 'W_lyric'; 99 this.div_but = 'W_div-but'; 100 this.btn = 'W_btn'; 101 this.btn_image = 'W_btn-image'; 102 this.bell_div = 'W_bell-div'; 103 this.slider_value = 'W_slider-value'; 104 this.slider = 'W_slider'; 105 this.btnCss = 'W_'; 106 this.btnC = 'W_btnC'; 107 this.favoriteBtn = 'W_btn1'; 108 this.logListCss = 'W_logList'; 109 this.listLog = 'W_listLog'; 110 this.btnS = 'W_btnS'; 111 this.isShowWgr = true; 112 this.isShowRk= false; 113 } else { 114 console.info(' ttt AVSessionPlayer[IndexPage] getDefaultDisplay direction is vertical.[width]' + 115 data.width + '[height]' + data.height); 116 this.container = 'container'; 117 this.div_image = 'div-image'; 118 this.image = 'image'; 119 this.titleCss = 'title'; 120 this.lyricCss = 'lyric'; 121 this.div_but = 'div-but'; 122 this.btn = 'btn'; 123 this.btn_image = 'btn-image'; 124 this.bell_div = 'bell-div'; 125 this.slider_value = 'slider-value'; 126 this.slider = 'slider'; 127 this.btnCss = ''; 128 this.favoriteBtn = 'btn1'; 129 this.logListCss = 'logList'; 130 this.listLog = 'listLog'; 131 this.btnS = 'btn'; 132 this.btnC = 'btn'; 133 this.isShowRk= true; 134 this.isShowWgr = false; 135 136 } 137 }); 138 139 this.context = await featureAbility.getContext(); 140 this.audioUrl = 'common/images/pause.png'; // 请开发者根据实际情况使用 141 this.loopModeUrl = 'common/images/ic_public_list_cycle1.png'; // 请开发者根据实际情况使用 142 143 this.playerModel.setOnStatusChangedListener((isPlaying) => { 144 this.log("setOnStatusChangedListener success "); 145 console.info(' ttt AVSessionPlayer[IndexPage] on player status changed, isPlaying=' + isPlaying + ', refresh ui'); 146 if (isPlaying) { 147 this.audioUrl = 'common/images/play.png'; 148 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, 149 position:{elapsedTime:this.musicValue, 150 updateTime:this.onTime()}}).then(() =>{ 151 }).catch ((e) => { 152 this.log("error " + e.message); 153 }); 154 this.playMusic(); 155 } else { 156 clearInterval(this.intervalID); 157 this.audioUrl = 'common/images/pause.png'; 158 this.playerModel.pause(); 159 clearInterval(this.intervalID); 160 this.playerModel.seek(this.musicValue); 161 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PAUSE, 162 position:{elapsedTime:this.musicValue, 163 updateTime:this.onTime()}}).then(() => { 164 }).catch ((e) => { 165 this.log("error " + e.message); 166 }); 167 } 168 }); 169 this.playerModel.getPlaylist(() => { 170 this.log('getPlaylist ok'); 171 console.info(' ttt AVSessionPlayer[IndexPage] getPlaylist ok'); 172 }); 173 this.setPageData(); 174 this.audioManager = await audio.getAudioManager(); 175 176 this.log('getAudioManager ok'); 177 AVSessionManager.on('sessionServiceDie', (descriptor) => { 178 this.log('sessionServiceDie success'); 179 }); 180 181 // 创建avSession会话并激活 182 AVSessionManager.createAVSession(this.context,'AVSessionPlayer', 'audio').then(async(session) => { 183 this.log('createAVSession success'); 184 console.info("ttt AVSessionPlayer[IndexPage] createAVSession success"); 185 this.currentSession = session; 186 await this.currentSession.activate(() => { 187 this.log('activate success'); 188 }); 189 // 获取输出设备信息 190 this.currentSession.getOutputDevice((err,outputDeviceInfo)=> { 191 this.log("getOutputDevice success"); 192 if (outputDeviceInfo && outputDeviceInfo.isRemote) { 193 this.log('getOutputDevice success 1' + JSON.stringify(outputDeviceInfo.isRemote)); 194 this.log('getOutputDevice success 2' + JSON.stringify(outputDeviceInfo.audioDeviceId)); 195 this.log('getOutputDevice success 2' + JSON.stringify(outputDeviceInfo.deviceName)); 196 if (outputDeviceInfo.audioDeviceId && outputDeviceInfo.deviceName) { 197 for (let i = 0; i < outputDeviceInfo.audioDeviceId.length; i++) { 198 let tem = { 199 deviceId:outputDeviceInfo.audioDeviceId[i], 200 deviceName:outputDeviceInfo.deviceName[i] 201 } 202 this.deviceArr.push(tem); 203 } 204 } else { 205 this.log("getOutputDevice empty data"); 206 } 207 } else { 208 this.log("getOutputDevice empty data"); 209 } 210 }); 211 212 this.currentSession.setAudioStreamId([0,10,20]); 213 let metadata = this.setMetaData(); 214 // 设置会话元数据 215 this.currentSession.setAVMetadata(metadata,() => { 216 this.log('onInit setAVMetadata success'); 217 console.info(' ttt AVSessionPlayer[IndexPage] onInit setAVMetadata'); 218 }); 219 // 设置会话播放状态 220 this.currentSession.setAVPlaybackState({ 221 speed:this.speedIndex,loopMode:AVSessionManager.LoopMode.LOOP_MODE_SEQUENCE, 222 position:{elapsedTime:0,updateTime:this.onTime()} 223 }, () => { 224 this.log('onInit setAVPlaybackState success'); 225 console.info(' ttt AVSessionPlayer[IndexPage] setAVPlaybackState'); 226 }); 227 228 // 设置启动ability 229 let wantAgentInfo = { 230 wants: [ 231 { 232 bundleName: this.context.getAbilityInfo().bundleName, 233 abilityName: this.context.getAbilityInfo().name 234 } 235 ], 236 operationType: WantAgent.OperationType.START_ABILITIES, 237 requestCode: 0, 238 wantAgentFlags: [WantAgent.WantAgentFlags.UPDATE_PRESENT_FLAG] 239 }; 240 WantAgent.getWantAgent(wantAgentInfo,(err,agent) => { 241 WantAgent.getBundleName(agent).then((name) => { 242 console.info('[ttt] AVSessionPlayer[IndexPage] getBundleName bundle name:' + name); 243 this.log('getWantAgent success'); 244 }, e => { 245 console.error('[ttt] AVSessionPlayer[IndexPage] getBundleName error' + ' is ' + e.message); 246 }); 247 this.currentSession.setLaunchAbility(agent,() => { 248 this.log('setLaunchAbility success '); 249 }); 250 }); 251 252 // 注册播放命令监听 253 this.currentSession.on('play', () => { 254 if (this.isSwitching) { 255 console.info(' ttt AVSessionPlayer[IndexPage] onPlayClick ignored, isSwitching'); 256 return; 257 } 258 this.log('on Play success callBack'); 259 console.info(' ttt AVSessionPlayer[IndexPage] on Play success, isPlaying=' + this.playerModel.isPlaying + 'callBack'); 260 this.playerModel.preLoad(this.index, () => { 261 this.playerModel.play(-1, true); 262 }); 263 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, 264 position:{elapsedTime:this.musicValue, 265 updateTime:this.onTime()}}).then(() =>{ 266 }).catch ((e) => { 267 this.log("error " + e.message); 268 }); 269 this.playMusic(); 270 }); 271 272 // 注册暂停命令监听 273 this.currentSession.on('pause', () => { 274 if (this.isSwitching) { 275 console.info(' ttt AVSessionPlayer[IndexPage] onPlayClick ignored, isSwitching'); 276 return; 277 } 278 clearInterval(this.intervalID); 279 this.log('on Pause success callBack'); 280 console.info(' ttt AVSessionPlayer[IndexPage] onPause success, isPlaying ' + this.playerModel.isPlaying + 'callBack'); 281 this.playerModel.pause(); 282 this.playerModel.seek(this.musicValue); 283 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PAUSE, 284 position:{elapsedTime:this.musicValue, updateTime:this.onTime()}}); 285 }); 286 287 // 注册停止命令监听 288 this.currentSession.on('stop', () => { 289 this.log('on Stop success callBack'); 290 console.info(' ttt AVSessionPlayer[IndexPage] stop success callBack'); 291 this.playerModel.stop(); 292 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_STOP, 293 position:{elapsedTime:this.musicValue,updateTime:this.onTime()}}); 294 }); 295 296 // 注册上一首命令监听 297 this.currentSession.on('playPrevious', () => { 298 if (this.isSwitching) { 299 console.info(' ttt AVSessionPlayer[IndexPage] onPreviousClick ignored, isSwitching'); 300 return; 301 } 302 clearInterval(this.intervalID); 303 this.log('on PlayPrevious success callBack'); 304 console.info(' ttt AVSessionPlayer[IndexPage] onPrevious success callBack'); 305 this.index--; 306 this.musicValue = 0; 307 this.playerModel.seek(0); 308 if (this.index < 0 && this.playerModel.playlist.audioFiles.length >= 1) { 309 this.index = this.playerModel.playlist.audioFiles.length - 1; 310 } 311 this.currentProgress = 0; 312 this.isSwitching = true; 313 this.playerModel.preLoad(this.index, () => { 314 this.playerModel.play(0, true); 315 this.isSwitching = false; 316 }); 317 this.setFavorite(); 318 this.setPageData(); 319 320 this.currentSession.setAVMetadata(this.setMetaData()); 321 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, 322 position:{elapsedTime:this.musicValue,updateTime:this.onTime()}, 323 bufferedTime:2000,isFavorite:this.mediaFavorite}) 324 this.playMusic(); 325 console.info(' ttt AVSessionPlayer[IndexPage] onPreviousClick callBack'); 326 327 }); 328 329 // 注册下一首命令监听 330 this.currentSession.on('playNext', () => { 331 if (this.isSwitching) { 332 console.info(' ttt AVSessionPlayer[IndexPage] playNext event is running.'); 333 return; 334 } 335 clearInterval(this.intervalID); 336 this.log('onPlayNext callBack success '); 337 console.info(' ttt AVSessionPlayer[IndexPage] set playNext success callback.'); 338 this.index++; 339 this.musicValue = 0; 340 if (this.index >= this.playerModel.playlist.audioFiles.length) { 341 this.index = 0; 342 } 343 this.currentProgress = 0; 344 this.playerModel.seek(0); 345 this.isSwitching = true; 346 this.playerModel.preLoad(this.index, () => { 347 this.playerModel.play(0, true); 348 this.isSwitching = false; 349 }); 350 this.setFavorite(); 351 this.setPageData(); 352 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, 353 position:{elapsedTime:0,updateTime:this.onTime()}, 354 bufferedTime:2000,isFavorite:this.mediaFavorite}); 355 this.currentSession.setAVMetadata(this.setMetaData()); 356 357 console.info(' ttt AVSessionPlayer[IndexPage] playNext - setAVMetadata author:' + metadata.author + 358 ', publishDate:' + metadata.publishDate); 359 this.playMusic(); 360 console.info(' ttt AVSessionPlayer[IndexPage] set playNext callback.' + this.title + ':' + this.artist); 361 }); 362 363 // 注册播放快进命令监听 364 this.currentSession.on('fastForward', () => { 365 this.log('on FastForward success callBack'); 366 console.info(' ttt AVSessionPlayer[IndexPage] fastForward success callBack'); 367 }); 368 369 // 注册播放快退命令监听 370 this.currentSession.on('rewind', () => { 371 this.log('on Rewind success callBack'); 372 console.info(' ttt AVSessionPlayer[IndexPage] rewind success callBack'); 373 }); 374 375 // 注册跳播命令监听 376 this.currentSession.on('seek', (time) => { 377 this.log('on Seek success callBack'); 378 console.info(' ttt AVSessionPlayer[IndexPage] seek success callBack is :' + time); 379 this.musicValue = time; 380 this.playerModel.seek(this.musicValue); 381 this.currentSession.setAVPlaybackState({ position:{elapsedTime:this.musicValue,updateTime:this.onTime()}, 382 bufferedTime:2000}); 383 384 }); 385 386 // 注册设置播放速度命令监听 387 this.currentSession.on('setSpeed', (speed) => { 388 this.log('on SetSpeed success callBack'); 389 console.info(' ttt AVSessionPlayer[IndexPage] set Speed success callBack is :' + speed); 390 this.speedIndex = speed; 391 this.speedMode = this.speedArr[this.speedIndex]; 392 this.currentSession.setAVPlaybackState({ 393 speed:this.speedIndex 394 }, () => { 395 console.info(' ttt AVSessionPlayer[IndexPage] onSetSpeed'); 396 }); 397 }); 398 399 // 注册设置播放循环模式命令监听 400 this.currentSession.on('setLoopMode', (mode) => { 401 this.log('on SetLoopMode success callBack'); 402 console.info(' ttt AVSessionPlayer[IndexPage] setLoopMode success callBack is:' + mode); 403 if (mode == 0) { 404 this.loopMode = 1; 405 this.loopModeUrl = 'common/images/ic_public_list_cycle1.png'; 406 this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SEQUENCE}); 407 } else if (mode == 1) { 408 this.loopMode = 2; 409 this.loopModeUrl = 'common/images/ic_public_single_cycle2.png'; 410 this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SINGLE}); 411 } else if (mode == 2) { 412 this.loopMode = 3; 413 this.loopModeUrl = 'common/images/ic_public_order_play3.png'; 414 this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_LIST}); 415 } else if (mode == 3) { 416 this.loopMode = 4; 417 this.loopModeUrl = 'common/images/ic_public_random4.png'; 418 this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SHUFFLE}); 419 } 420 }); 421 422 // 注册设置歌曲收藏命令监听 423 this.currentSession.on('toggleFavorite', (assetId) => { 424 this.log('on ToggleFavorite success callBack'); 425 console.info(' ttt AVSessionPlayer[IndexPage] toggleFavorite success callBack, assetId: ' + assetId); 426 this.mediaFavorite = this.mediaFavorite == false? true : false; 427 if (this.mediaFavorite) { 428 this.favoriteBtn = this.btnCss + 'btn2'; 429 this.assetIdArr.push(this.playerModel.playlist.audioFiles[this.index].assetId); 430 } else { 431 this.favoriteBtn = this.btnCss + 'btn1'; 432 this.deleteAssetId(); 433 } 434 this.currentSession.setAVPlaybackState({isFavorite:this.mediaFavorite}); 435 }); 436 437 // 注册媒体按键命令监听 438 this.currentSession.on('handleKeyEvent', (event) => { 439 this.log('on HandleKeyEvent success callBack '); 440 console.info(' ttt AVSessionPlayer[IndexPage] handleKeyEvent success callBack,event is: ' + JSON.stringify(event)); 441 }); 442 443 // 注册播放设备变化命令监听 444 this.currentSession.on('outputDeviceChanged', (device) => { 445 this.log('on OutputDeviceChanged success callBack '); 446 console.info(' ttt AVSessionPlayer[IndexPage] outputDeviceChanged success callBack, is: ' + device.deviceName); 447 }); 448 }, e => { 449 console.info(' ttt AVSessionPlayer[IndexPage] createAVSession log code is ' + e.code + 'message is' + e.message); 450 }).then(()=>{ 451 let state = { 452 state: AVSessionManager.PlaybackState.PLAYBACK_STATE_STOP, 453 speed: 1.0, 454 position: {elapsedTime:0, updateTime:this.onTime()}, 455 bufferedTime: 2000, 456 loopMode: AVSessionManager.LoopMode.LOOP_MODE_SEQUENCE, 457 isFavorite: false, 458 }; 459 this.currentSession.setAVPlaybackState(state); 460 console.info(' ttt AVSessionPlayer[IndexPage] setAVPlaybackState state complete.'); 461 }).then(()=>{ 462 console.info(' ttt AVSessionPlayer[IndexPage] this.currentSession is activate.'); 463 // return this.currentSession.activate(); 464 }), e => { 465 console.info(' ttt AVSessionPlayer[IndexPage] createAVSession code is ' + e.code + 'message is' + e.message); 466 } 467 }, 468 469 // 释放资源 470 onDestroy() { 471 this.log('onDestroy Start'); 472 console.info(' ttt AVSessionPlayer[IndexPage] this.currentSession is destroy.'); 473 this.currentSession.off('handleKeyEvent'); 474 this.currentSession.off('seek'); 475 this.currentSession.off('play'); 476 this.currentSession.off('pause'); 477 this.currentSession.off('stop'); 478 this.currentSession.off('playNext'); 479 this.currentSession.off('playPrevious'); 480 this.currentSession.off('fastForward'); 481 this.currentSession.off('rewind'); 482 this.currentSession.off('setSpeed'); 483 this.currentSession.off('setLoopMode'); 484 this.currentSession.off('toggleFavorite'); 485 this.currentSession.off('outputDeviceChanged'); 486 this.currentSession.deactivate().then(() => { 487 this.currentSession.destroy(); 488 }); 489 this.log('onDestroy end'); 490 }, 491 492 // 设置循环模式 493 onSetLoopMode() { 494 this.log('onSetLoopMode Start'); 495 console.info(' ttt AVSessionPlayer[IndexPage] onSetLoopMode ' + this.loopMode + this.loopModeUrl); 496 this.loopMode++; 497 if (this.loopMode > 4) { 498 this.loopMode = 1; 499 } 500 if (this.loopMode == 1) { 501 this.loopModeUrl = 'common/images/ic_public_list_cycle1.png'; 502 this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SEQUENCE}); 503 } else if (this.loopMode == 2) { 504 this.loopModeUrl = 'common/images/ic_public_single_cycle2.png'; 505 this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SINGLE}); 506 } else if (this.loopMode == 3) { 507 this.loopModeUrl = 'common/images/ic_public_order_play3.png'; 508 this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_LIST}); 509 } else if (this.loopMode == 4) { 510 this.loopModeUrl = 'common/images/ic_public_random4.png'; 511 this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SHUFFLE}); 512 } else { 513 this.loopModeUrl = 'common/images/ic_public_list_cycle1.png'; 514 this.currentSession.setAVPlaybackState({loopMode:AVSessionManager.LoopMode.LOOP_MODE_SEQUENCE}); 515 } 516 console.info(' ttt AVSessionPlayer[IndexPage] onSetLoopMode 22 ' + this.loopMode + this.loopModeUrl); 517 }, 518 519 // 设置播放速度 520 onSetSpeed() { 521 this.log('onSetLoopMode start'); 522 this.speedIndex++; 523 if (this.speedIndex > 2) { 524 this.speedIndex = 0 525 } 526 this.speedMode = this.speedArr[this.speedIndex]; 527 this.currentSession.setAVPlaybackState({ 528 speed:this.speedIndex 529 }, () => { 530 console.info(' ttt AVSessionPlayer[IndexPage] onSetSpeed'); 531 }); 532 }, 533 534 // 点击播放 535 onPlayClick() { 536 this.log('onPlayClick start'); 537 if (this.isSwitching) { 538 console.info(' ttt AVSessionPlayer[IndexPage] onPlayClick ignored, isSwitching'); 539 return; 540 } 541 console.info(' ttt AVSessionPlayer[IndexPage] onPlayClick, isPlaying=' + this.playerModel.isPlaying); 542 if (this.playerModel.isPlaying) { 543 this.playerModel.pause(); 544 this.playerModel.seek(this.musicValue); 545 clearInterval(this.intervalID); 546 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PAUSE, 547 position:{elapsedTime:this.musicValue,updateTime:this.onTime()}, bufferedTime:2000}); 548 } else { 549 this.playerModel.preLoad(this.index, () => { 550 this.playerModel.play(-1, true); 551 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, 552 position:{elapsedTime:this.musicValue,updateTime:this.onTime()}}); 553 this.playMusic(); 554 555 }); 556 } 557 }, 558 559 // 播放音乐 560 playMusic() { 561 let this_ = this; 562 let startT = this.musicValue; 563 clearInterval(this.intervalID); 564 this.intervalID = setInterval(function() { 565 this_.musicValue += (0.5 * this_.speedArrSet[this_.speedIndex] * 1000); 566 // this_.playerModel.seek(this_.musicValue); 567 if (this_.musicValue > this_.playerModel.playlist.audioFiles[this_.index].duration) { 568 this_.musicValue = 0; 569 if (this_.loopMode == 1) { 570 this_.onNextClick(); 571 clearInterval(this_.intervalID); 572 } else if (this_.loopMode == 2) { 573 this_.musicValue = 0; 574 this_.playerModel.preLoad(this_.index, () => { 575 this_.playerModel.play(0, true) 576 console.info(' ttt AVSessionPlayer[IndexPage] onPlayClick isPlaying :' + this_.playerModel.isPlaying); 577 this_.isSwitching = false; 578 }); 579 580 } else if (this_.loopMode == 3) { 581 clearInterval(this_.intervalID); 582 this_.onNextClick(); 583 } else if (this_.loopMode == 4) { 584 clearInterval(this_.intervalID); 585 this_.index = Math.floor(Math.random()*4); 586 this_.onNextClick(); 587 } 588 } 589 }, 500); 590 this_.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, 591 position:{elapsedTime:startT,updateTime:this_.onTime()}, bufferedTime:2000}); 592 }, 593 594 // 点击上一首 595 onPreviousClick() { 596 this.log('onPreviousClick start') 597 if (this.isSwitching) { 598 console.info(' ttt AVSessionPlayer[IndexPage] onPreviousClick ignored, isSwitching'); 599 return; 600 } 601 clearInterval(this.intervalID); 602 console.info(' ttt AVSessionPlayer[IndexPage] onPreviousClick'); 603 this.index--; 604 this.musicValue = 0; 605 this.playerModel.seek(0); 606 if (this.index < 0 && this.playerModel.playlist.audioFiles.length >= 1) { 607 this.index = this.playerModel.playlist.audioFiles.length - 1; 608 } 609 this.currentProgress = 0; 610 this.isSwitching = true; 611 this.playerModel.preLoad(this.index, () => { 612 this.playerModel.play(0, true); 613 this.isSwitching = false; 614 }); 615 this.setFavorite(); 616 this.setPageData(); 617 618 this.currentSession.setAVMetadata(this.setMetaData()); 619 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, 620 position:{elapsedTime:0,updateTime:this.onTime()}, bufferedTime:2000, isFavorite:this.mediaFavorite}) 621 console.info(' ttt AVSessionPlayer[IndexPage] onPreviousClick 11111'); 622 this.playMusic(); 623 }, 624 625 // 点击下一首 626 onNextClick() { 627 this.log('onNextClick start'); 628 if (this.isSwitching) { 629 console.info(' ttt AVSessionPlayer[IndexPage] onNextClick ignored, isSwitching'); 630 return; 631 } 632 clearInterval(this.intervalID); 633 console.info(' ttt AVSessionPlayer[IndexPage] onNextClick'); 634 this.index++; 635 this.musicValue = 0; 636 this.playerModel.seek(0); 637 if (this.index >= this.playerModel.playlist.audioFiles.length) { 638 this.index = 0; 639 } 640 this.currentProgress = 0; 641 this.isSwitching = true; 642 let self = this; 643 this.playerModel.preLoad(this.index, () => { 644 self.playerModel.play(0, true); 645 self.isSwitching = false; 646 }); 647 this.setFavorite(); 648 this.setPageData(); 649 650 console.info(" ttt this.setMetaData()0 : "); 651 let metadata = this.setMetaData() 652 console.info(" ttt this.setMetaData()1 : " + metadata.mediaImage); 653 this.currentSession.setAVMetadata(metadata); 654 console.info(" ttt this.setMetaData()2 : " + metadata.mediaImage); 655 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, 656 position:{elapsedTime:0,updateTime:this.onTime()}, bufferedTime:2000, isFavorite:this.mediaFavorite}) 657 console.info(" ttt this.setMetaData()3 : " + metadata.mediaImage); 658 this.playMusic(); 659 }, 660 661 media(e) { 662 this.log('onMedia start') 663 this.volume = e.value 664 this.audioManager.setVolume(audio.AudioVolumeType.MEDIA, this.volume).then(() => { 665 console.info(' ttt Promise returned to indicate a successful volume setting.'); 666 }); 667 }, 668 669 // 设置收藏 670 async setFavorite() { 671 console.info(' ttt AVSessionPlayer[IndexPage] setFavorite1' + this.mediaFavorite); 672 let flg = false; 673 for(let i = 0; i < this.assetIdArr.length; i++) { 674 if (this.assetIdArr[i] == this.playerModel.playlist.audioFiles[this.index].assetId) { 675 console.info(' ttt AVSessionPlayer[IndexPage] setFavorite1 id:' + this.assetIdArr[i] + " assetId:" + 676 this.playerModel.playlist.audioFiles[this.index].assetId); 677 flg = true; 678 break; 679 } 680 } 681 this.mediaFavorite = flg; 682 if (this.mediaFavorite) { 683 this.favoriteBtn = this.btnCss + 'btn2'; 684 } else { 685 this.favoriteBtn = this.btnCss + 'btn1'; 686 } 687 console.info(' ttt AVSessionPlayer[IndexPage] setFavorite2' + this.mediaFavorite); 688 }, 689 690 showPanel() { 691 this.$element('showPanel').show(); 692 }, 693 694 closePanel() { 695 this.$element('showPanel').close(); 696 }, 697 698 async toggleFavorite() { 699 this.log('toggleFavorite start'); 700 console.info(' ttt AVSessionPlayer[IndexPage] toggleFavorite'); 701 this.mediaFavorite = this.mediaFavorite == false? true : false; 702 if (this.mediaFavorite) { 703 this.favoriteBtn = this.btnCss + 'btn2'; 704 this.assetIdArr.push(this.playerModel.playlist.audioFiles[this.index].assetId); 705 } else { 706 this.favoriteBtn = this.btnCss + 'btn1'; 707 this.deleteAssetId(); 708 } 709 this.currentSession.setAVPlaybackState({isFavorite:this.mediaFavorite}); 710 console.info(' ttt AVSessionPlayer[IndexPage] toggleFavorite' + this.assetIdArr.toString()); 711 }, 712 deleteAssetId() { 713 for(let i = 0; i < this.assetIdArr.length; i++) { 714 if (this.assetIdArr[i] == this.playerModel.playlist.audioFiles[this.index].assetId) { 715 this.assetIdArr.splice(i,1); 716 } 717 } 718 }, 719 setPageData() { 720 this.title = this.playerModel.playlist.audioFiles[this.index].title; 721 this.artist = this.playerModel.playlist.audioFiles[this.index].artist; 722 this.lyric = this.playerModel.playlist.audioFiles[this.index].lyric; 723 this.duration = this.playerModel.playlist.audioFiles[this.index].duration; 724 this.mediaImage = this.playerModel.playlist.audioFiles[this.index].mediaImage; 725 console.info('ttt AVSessionPlayer[IndexPage] setPageData - mediaImage' + this.mediaImage); 726 let muv = this.duration/1000 727 let minutes = Math.floor(muv / 60); 728 let seconds = muv % 60; 729 if (seconds.toString().length < 2) { 730 seconds = '0' + seconds.toString(); 731 } 732 this.durationMin = minutes.toString() + ':' + seconds.toString(); 733 }, 734 mediaMusic(e) { 735 console.info('ttt AVSessionPlayer[IndexPage] mediaMusic'); 736 this.log('mediaMusic start'); 737 let startT = this.musicValue; 738 this.musicValue = e.value; 739 this.playerModel.seek(this.musicValue); 740 if (this.playerModel.isPlaying) { 741 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PLAY, 742 position:{elapsedTime:startT,updateTime:this.onTime()}, bufferedTime:2000}); 743 } else { 744 this.currentSession.setAVPlaybackState({state:AVSessionManager.PlaybackState.PLAYBACK_STATE_PAUSE, 745 position:{elapsedTime:startT,updateTime:this.onTime()}, bufferedTime:2000}); 746 } 747 }, 748 setMetaData() { 749 return { 750 assetId:this.playerModel.playlist.audioFiles[this.index].assetId, 751 title:this.playerModel.playlist.audioFiles[this.index].title, 752 artist:this.playerModel.playlist.audioFiles[this.index].artist, 753 lyric:this.playerModel.playlist.audioFiles[this.index].lyric, 754 duration:this.playerModel.playlist.audioFiles[this.index].duration, 755 mediaImage:this.playerModel.playlist.audioFiles[this.index].mediaImage, 756 author: this.playerModel.playlist.audioFiles[this.index].author, 757 album: this.playerModel.playlist.audioFiles[this.index].album, 758 writer: this.playerModel.playlist.audioFiles[this.index].writer, 759 composer: this.playerModel.playlist.audioFiles[this.index].composer, 760 publishDate: this.playerModel.playlist.audioFiles[this.index].publishDate, 761 subtitle: this.playerModel.playlist.audioFiles[this.index].subtitle, 762 description: this.playerModel.playlist.audioFiles[this.index].description, 763 previousAssetId: this.playerModel.playlist.audioFiles[this.index].previousAssetId, 764 nextAssetId: this.playerModel.playlist.audioFiles[this.index].nextAssetId 765 } 766 }, 767 onTime() { 768 return (new Date()).getTime(); 769 }, 770 sleep(ms) { 771 return new Promise(resolve => { 772 setTimeout(resolve,ms) 773 }) 774 }, 775 getDeviceList() { 776 this.log('getDeviceList method'); 777 this.$element("eventDialog").show(); 778 }, 779 getDevice(e) { 780 this.log("getDeviceId success :" + e.newValue); 781 this.deviceIdNew = e.newValue; 782 }, 783 changeDevice() { 784 this.$element("eventDialog").close(); 785 this.castAudio(); 786 }, 787 788 // 远端投播 789 async castAudio() { 790 this.log('castAudio method'); 791 this.audioManager.getRoutingManager((err,audioRoutingManager) => { 792 this.log('getRoutingManager success'); 793 audioRoutingManager.getDevices(4,(err,AudioDeviceDescriptors) => { 794 this.log('getDevices success'); 795 if (AudioDeviceDescriptors) { 796 this.log('getDeviceIds' + JSON.stringify(AudioDeviceDescriptors)); 797 for (let i = 0; i < AudioDeviceDescriptors.length; i++) { 798 this.log("id = " + AudioDeviceDescriptors[i].id); 799 } 800 } 801 let token = { 802 sessionId:this.currentSession.sessionId, 803 pid:process.pid, 804 uid:process.uid 805 }; 806 AVSessionManager.castAudio(token,AudioDeviceDescriptors,(err) => { 807 if (err) { 808 this.log('castAudio err'); 809 console.info(' ttt AVSessionPlayer[IndexPage] castAudio err'); 810 } else { 811 this.log('castAudio success'); 812 console.info(' ttt AVSessionPlayer[IndexPage] castAudio success'); 813 } 814 }); 815 }); 816 }); 817 }, 818 avdestroy() { 819 this.currentSession.destroy(); 820 }, 821 822 deactive() { 823 this.currentSession.deactivate(); 824 }, 825 826 active() { 827 this.currentSession.activate(); 828 }, 829 830 offplay() { 831 this.currentSession.off('play'); 832 }, 833 834 offpause() { 835 this.currentSession.off('pause'); 836 }, 837 838 offplaynext() { 839 this.currentSession.off('playNext'); 840 }, 841 842 offplayprevious() { 843 this.currentSession.off('playPrevious'); 844 }, 845 846 offseek() { 847 this.currentSession.off('seek'); 848 }, 849 850 offsetspeed() { 851 this.currentSession.off('setSpeed'); 852 }, 853 854 offsetloopmode() { 855 this.currentSession.off('setLoopMode'); 856 }, 857 858 offtogglefavorite() { 859 this.currentSession.off('toggleFavorite'); 860 }, 861 862 offhandlekeyhevent() { 863 this.currentSession.off('handleKeyEvent'); 864 }, 865 866 offsessionservicedie() { 867 AVSessionManager.off('sessionServiceDie'); 868 }, 869} 870 871``` 872
