feat(App): InnerAudioContext、BackgroundAudioManager支持倍速

src/core/service/api/context/background-audio.js

@@ -70,6 +70,11 @@ const props = [
     name: 'protocol',
     readonly: true,
     default: 'http'
+  },
+  {
+    name: 'playbackRate',
+    default: 1,
+    cache: true,
   }
 ]
 
@@ -114,7 +119,7 @@ class BackgroundAudioManager {
           this._options[name] = value
           invokeMethod('setBackgroundAudioState', Object.assign({}, this._options, {
             audioId: this.id
-          }))
+          }), name)
         }
       }
       Object.defineProperty(this, name, data)

src/core/service/api/context/inner-audio.js

@@ -63,6 +63,10 @@ const props = [
   },
   {
     name: 'sessionCategory'
+  },
+  {
+    name: 'playbackRate',
+    cache: true,
   }
 ]
 

src/platforms/app-plus/service/api/context/background-audio.js

@@ -86,9 +86,16 @@ function stopTimeUpdateTimer () {
   }
 }
 
-function setMusicState (args) {
+function setMusicState (args, name) {
   initMusic()
   const props = ['src', 'startTime', 'coverImgUrl', 'webUrl', 'singer', 'epname', 'title']
+  
+  if (name && name === 'playbackRate') {
+    let val = args[name]
+    audio.playbackRate && audio.playbackRate(parseFloat(val))
+    return
+  }
+
   const style = {}
   Object.keys(args).forEach(key => {
     if (props.indexOf(key) >= 0) {
@@ -150,8 +157,8 @@ export function operateMusicPlayer ({
     errMsg: `${api}:ok`
   }
 }
-export function setBackgroundAudioState (args) {
-  setMusicState(args)
+export function setBackgroundAudioState (args, name) {
+  setMusicState(args, name)
   return {
     errMsg: 'setBackgroundAudioState:ok'
   }

src/platforms/app-plus/service/api/context/inner-audio.js

@@ -48,7 +48,7 @@ const initStateChage = audioId => {
   }
 }
 
-export function createAudioInstance () {
+export function createAudioInstance() {
   const audioId = `${Date.now()}${Math.random()}`
   const audio = audios[audioId] = plus.audio.createPlayer('')
   audio.src = ''
@@ -61,7 +61,7 @@ export function createAudioInstance () {
   }
 }
 
-export function destroyAudioInstance ({
+export function destroyAudioInstance({
   audioId
 }) {
   if (audios[audioId]) {
@@ -74,7 +74,7 @@ export function destroyAudioInstance ({
   }
 }
 
-export function setAudioState ({
+export function setAudioState({
   audioId,
   src,
   startTime,
@@ -82,7 +82,8 @@ export function setAudioState ({
   loop = false,
   obeyMuteSwitch,
   volume,
-  sessionCategory = AUDIO_DEFAULT_SESSION_CATEGORY
+  sessionCategory = AUDIO_DEFAULT_SESSION_CATEGORY,
+  playbackRate
 }) {
   const audio = audios[audioId]
   if (audio) {
@@ -91,7 +92,9 @@ export function setAudioState ({
       autoplay
     }
     if (src) {
-      audio.src = style.src = getRealPath(src)
+      // iOS 设置 src 会重新播放
+      const realSrc = getRealPath(src)
+      if (audio.src !== realSrc) audio.src = style.src = realSrc
     }
     if (startTime) {
       audio.startTime = style.startTime = startTime
@@ -103,6 +106,9 @@ export function setAudioState ({
     if (sessionCategory) {
       audio.setSessionCategory(sessionCategory)
     }
+    if (playbackRate && audio.playbackRate) {
+      audio.playbackRate(playbackRate)
+    }
     initStateChage(audioId)
   }
   return {
@@ -110,7 +116,7 @@ export function setAudioState ({
   }
 }
 
-export function getAudioState ({
+export function getAudioState({
   audioId
 }) {
   const audio = audios[audioId]
@@ -137,7 +143,7 @@ export function getAudioState ({
   }
 }
 
-export function operateAudio ({
+export function operateAudio({
   operationType,
   audioId,
   currentTime