KtvSDK-切换音频视频清晰度

    int AUDIO_QUALITY_NORMAL = 1; //标准音质，默认
    int AUDIO_QUALITY_HQ = 3;   //HQ音质，需要是会员

    int MV_480P = 480;    //480P视频
    int MV_720P = 720;    //720P视频，默认
    int MV_1080P = 1080;   //1080P视频，需要是会员

ksong.support.player.KtvPlayerConfig#setAudioQuality(SongInfoModel.AUDIO_QUALITY_HQ)
ksong.support.player.KtvPlayerConfig#setVideoQuality(SongInfoModel.MV_720P)

//切换清晰度前记录播放位置，**PlayConsole类的功能需自行实现，不要直接用PlayConsole**。
PlayConsole.get().changeQualityPlayPosition.postValue(position)

//调用播放
playSong(playPosition)

//播放开始后，根据之前记录的播放位置，调用当前播放器的seek.
currPlayer()?.seek(PlayConsole.get().changeQualityPlayPosition.value)

//通知界面清晰度已变化
PlayConsole.get().changeQualityPlayPosition.postValue(0)

//监听视频清晰度变化
PlayConsole.get().mv720Info.observe(viewLifecycleOwner) {
            if (it?.isSelected == true && KtvPlayerConfig.getInstance().videoQuality != SongInfoModel.MV_720P) {
                KtvPlayerConfig.getInstance().videoQuality = SongInfoModel.MV_720P
                log("mv720Info changed, replay 720")
                PlayConsole.get().changeQualityPlayPosition.postValue(
                    ChangeQualityInfo(
                        playInfoVM.currPlayer()?.timeLineTime ?: 0, 1
                    )
                )
                loadSong()
                KGToast.show(getString(R.string.ktv_control_720P))
            }
        }
//...
    /**
     * 调用{@link KaraokePlayer#play} 方法后回调
     */
    override fun onPrePlay(request: KaraokePlayRequest) {
        playInfoVM.currSongInfo().value = request.songInfoObject
        playInfoVM.getShouldShowPicUrl().value = ""
    }

    override fun onPlayPrepare(request: KaraokePlayRequest) {
        super.onPlayPrepare(request)
        Logger.d(TAG, "onPlayPrepare $request")

        //将音视频资源情况记录下来，PlayConsole不是sdk的API，其中类的功能需自行实现，不要直接用PlayConsole
        if (!request.songInfoObject.oriUrl.isNullOrBlank()) {
            PlayConsole.get().setAudioCount(MediaMetaInfo.AUDIO_ALL)    //有原唱、伴奏
        } else {
            PlayConsole.get().setAudioCount(MediaMetaInfo.AUDIO_ONLY_ACC)   //无原唱，仅有伴奏
        }

        //有无对应分辨率的视频资源
        PlayConsole.get().setShow480P(request.songInfoObject.mv480Size > 0)
        PlayConsole.get().setShow720P(request.songInfoObject.mv720Size > 0)
        PlayConsole.get().setShow1080P(request.songInfoObject.mv1080Size > 0)

        //音频有无HQ资源
        PlayConsole.get().setIsShowHqAudio(request.songInfoObject.hasHq())
    }

    override fun onPlayStart(request: KaraokePlayRequest) {
        Logger.d(TAG, "onPlayStart currentMid ${request.mid}")
        //同步暂停状态
        PlayConsole.get().pause.postValue(Pause(isPause = false, isFromPlayer = true))
        updateQualityPlayPosition()
    }

    ////播放开始后，根据记录的播放位置，调用播放器的seek.
    private fun updateQualityPlayPosition() {
        PlayConsole.get().changeQualityPlayPosition.value?.let {
            Logger.d(TAG, "changeQualityPlayPosition $it")
            if (it <= 0) {
                return
            }
            playInfoVM.currPlayer()?.seek(it)
            mHandler.postDelayed({
                Logger.d(TAG, "changeQualityPlayPosition set it 0")
                PlayConsole.get().changeQualityPlayPosition.postValue(0)
                var content = ""
                if (KtvPlayerConfig.getInstance().videoQuality == SongInfoModel.MV_1080P) {
                    content = "已切换为1080P"
                }
                if (KtvPlayerConfig.getInstance().videoQuality == SongInfoModel.MV_720P) {
                    content = "已切换为720P"
                }
                if (KtvPlayerConfig.getInstance().videoQuality == SongInfoModel.MV_480P) {
                    content = "已切换为480P"
                }
                KGToast.show(content)
            }, 300)
        }
    }

        //判断音频有无HQ资源
        PlayConsole.get().setIsShowHqAudio(request.songInfoObject.hasHq())

        //触发HQ切换
        hqAudioButton.setOnClickListener {
            PlayConsole.switchHqAudio()
        }

        //监听音质切换
        PlayConsole.get().hqAudio.observe(viewLifecycleOwner) {
            if (it.isSelected && KtvPlayerConfig.getInstance().audioQuality != SongInfoModel.AUDIO_QUALITY_HQ) {
                KtvPlayerConfig.getInstance().audioQuality = SongInfoModel.AUDIO_QUALITY_HQ
                playSong(playInfoVM.currPlayer()?.timeLineTime ?: 0)
                KGToast.show(getString(R.string.ktv_control_hq_open))
            } else if (!it.isSelected && KtvPlayerConfig.getInstance().audioQuality != SongInfoModel.AUDIO_QUALITY_NORMAL) {
                KtvPlayerConfig.getInstance().audioQuality = SongInfoModel.AUDIO_QUALITY_NORMAL
                playSong(playInfoVM.currPlayer()?.timeLineTime ?: 0)
                KGToast.show(getString(R.string.ktv_control_hq_close))
            }
        }

    private fun playSong(position: Long = 0) {
        val builder = SongInfoObject.Builder()
        builder.setMid(currentMid)
        //设置歌曲类型，从SongType类取值
        builder.setSongType(songType)
        val songInfoObject = builder.build()
        PlayConsole.get().changeQualityPlayPosition.postValue(position)
        Logger.d(TAG, "set changeQualityPlayPosition position $position")

        playInfoVM.waitQuerySongInfo().value = songInfoObject
        PlayerManager.createPreLoader(playType)
            .preload(songInfoObject) { event: PlayPreLoaderEvent ->
                if (!isAdded) {
                    Logger.d(TAG, "playFragment invisible, not play")
                    return@preload
                }
                when (event) {
                    //预加载完成
                    is PlayPreLoaderEvent.Success -> {
                            //进行播放
                            playSong(it)
                            playInfoVM.preloadProgress().value = 100
                        }
                    }

                    is PlayPreLoaderEvent.Trace -> {
                        Logger.i(TAG, event.tracePrint())
                    }

                    is PlayPreLoaderEvent.Progress -> {
                        Logger.i(TAG, "preload $event")
                        playInfoVM.preloadProgress().value = event.progress
                    }

                    is PlayPreLoaderEvent.Failed -> {
                        Logger.i(TAG, "preload $event")
                        showErrorDialog(event.exception)
                    }

                    else -> {}
                }
            }

    }