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@@ -0,0 +1,226 @@
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+package com.daya.orchestra.accompany.presenter;
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+
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+import android.content.Context;
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+import android.media.AudioManager;
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+import android.net.Uri;
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+import android.util.Log;
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+import android.view.SurfaceHolder;
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+
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+import com.cooleshow.base.utils.LOG;
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+import com.daya.orchestra.accompany.common.Constants;
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+
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+import java.io.IOException;
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+
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+import tv.danmaku.ijk.media.player.IMediaPlayer;
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+import tv.danmaku.ijk.media.player.IjkMediaPlayer;
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+
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+/**
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+ * Author by pq, Date on 2023/5/11.
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+ */
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+public class CustomIJKPlayer implements IjkMediaPlayer.OnErrorListener, IjkMediaPlayer.OnCompletionListener, IjkMediaPlayer.OnPreparedListener {
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+ public static final String TAG = "CustomPlayer";
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+ private Context mContext;
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+ IjkMediaPlayer mPlayer;
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+ private boolean hasPrepared;
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+ private boolean isStoped = false;
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+
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+ private boolean isNeedMute = false;
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+
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+ private int prepareSeekPosition = -1;//此字段用于选段播放
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+
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+ public CustomIJKPlayer() {
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+ initPlayer();
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+ }
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+
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+ private void initPlayer() {
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+ if (null == mPlayer) {
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+ mPlayer = new IjkMediaPlayer();
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+ mPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
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+ mPlayer.setOnErrorListener(this);
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+ mPlayer.setOnCompletionListener(this);
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+ mPlayer.setOnPreparedListener(this);
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+ }
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+ }
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+
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+ public void setOnCompletionListener(IjkMediaPlayer.OnCompletionListener listener) {
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+ if (mPlayer != null) {
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+ mPlayer.setOnCompletionListener(listener);
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+ }
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+ }
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+
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+ public void play(Context context, Uri dataSource) {
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+ hasPrepared = false; // 开始播放前讲Flag置为不可操作
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+ isStoped = false;
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+ initPlayer(); // 如果是第一次播放/player已经释放了，就会重新创建、初始化
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+ try {
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+ mPlayer.reset();
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+ mPlayer.setDataSource(context, dataSource); // 设置曲目资源
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+ mPlayer.prepareAsync(); // 异步的准备方法
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+
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+ public void play(boolean isMute, float speed,String path) {
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+ hasPrepared = false; // 开始播放前讲Flag置为不可操作
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+ isStoped = false; //
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+ this.isNeedMute = isMute;
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+ initPlayer(); // 如果是第一次播放/player已经释放了，就会重新创建、初始化
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+ try {
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+ mPlayer.reset();
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+ initOptions(speed);
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+ mPlayer.setDataSource(path); // 设置曲目资源
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+ mPlayer.prepareAsync(); // 异步的准备方法
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+ } catch (IOException e) {
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+ e.printStackTrace();
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+ }
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+ }
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+
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+ private void initOptions(float speed) {
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+ if(speed != Constants.DEFAULT_PLAY_SPEED){
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+ mPlayer.setSpeed(speed);
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+ mPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "soundtouch", 1);
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+ }
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+ mPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_FORMAT, "dns_cache_clear", 1);
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+ // 设置缓存策略
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+ mPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "packet-buffering", 1);
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+ mPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "framedrop", 5);
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+ mPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "min-frames", 4);
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+ //硬件加速
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+ mPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "mediacodec", 1);
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+ mPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "enable-accurate-seek", 1);
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+ // 调整同步设置
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+ mPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "sync", "audio");
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+ }
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+
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+ public int getPrepareSeekPosition() {
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+ return prepareSeekPosition;
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+ }
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+
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+ public long getExceptTargetPos(long cu) {
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+ //用于选段评测流程 如果有选段快进则需要 按照快进开播播放的位置取
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+ long targetPos = getPrepareSeekPosition() != -1 ? cu - getPrepareSeekPosition() : cu;
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+ return targetPos;
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+ }
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+
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+ public void setPrepareSeekPosition(int prepareSeekPosition) {
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+ this.prepareSeekPosition = prepareSeekPosition;
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+ }
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+
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+ public long getCu() {
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+ if (mPlayer != null) {
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+ long currentPosition = mPlayer.getCurrentPosition();
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+ return currentPosition;
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+ }
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+ return -1;
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+ }
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+
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+
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+ public long getT() {
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+ if (mPlayer != null) {
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+ long duration = mPlayer.getDuration();
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+ return duration;
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+ }
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+ return -1;
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+ }
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+
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+ public void start() {
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+ if (isStoped) {
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+ return;
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+ }
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+ // release()会释放player、将player置空，所以这里需要判断一下
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+ if (null != mPlayer && hasPrepared) {
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+ mPlayer.start();
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+ setVolume(isNeedMute ? 0f : 1f);
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+ if (prepareSeekPosition > 0) {
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+ seekTo(prepareSeekPosition);
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+ }
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+ }
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+ }
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+
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+ public void setVolume(float volume) {
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+ if (mPlayer != null) {
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+ LOG.i(TAG,"setVolume:" + volume + "hasPrepared:" + hasPrepared);
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+ mPlayer.setVolume(volume, volume);
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+ }
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+ }
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+
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+ public void pause() {
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+ if (null != mPlayer && hasPrepared) {
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+ mPlayer.pause();
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+ }
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+ }
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+
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+ public void seekTo(int position) {
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+ if (null != mPlayer && hasPrepared) {
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+ mPlayer.seekTo(position);
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+ }
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+ }
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+
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+ // 对于播放视频来说，通过设置SurfaceHolder来设置显示Surface。这个方法不需要判断状态、也不会改变player状态
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+ public void setDisplay(SurfaceHolder holder) {
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+ if (null != mPlayer) {
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+ mPlayer.setDisplay(holder);
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+ }
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+ }
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+
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+
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+ public void stop() {
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+ if (mPlayer == null) {
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+ return;
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+ }
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+ prepareSeekPosition = -1;
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+ isStoped = true;
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+ hasPrepared = false;
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+ Log.i(TAG, "player to stop:" + hasPrepared + "-thread:" + Thread.currentThread().getName());
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+ mPlayer.stop();
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+ }
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+
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+ @Override
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+ public void onCompletion(IMediaPlayer iMediaPlayer) {
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+ hasPrepared = false;
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+ LOG.i(TAG, "onCompletion");
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+ // 通知调用处，调用play()方法进行下一个曲目的播放
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+ }
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+
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+ @Override
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+ public boolean onError(IMediaPlayer iMediaPlayer, int i, int i1) {
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+ hasPrepared = false;
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+ return true;
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+ }
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+
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+ @Override
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+ public void onPrepared(IMediaPlayer iMediaPlayer) {
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+ hasPrepared = true; // 准备完成后回调到这里
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+ start();
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+ }
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+
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+ public void setSpeed(float speed) {
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+ Log.i(TAG, "setSpeed:" + speed);
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+ try {
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+ if (mPlayer != null) {
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+ if (speed > Constants.MAX_PLAY_SPEED) {
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+ speed = Constants.MAX_PLAY_SPEED;
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+ }
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+ if (speed < Constants.MIN_PLAY_SPEED) {
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+ speed = Constants.MIN_PLAY_SPEED;
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+ }
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+ mPlayer.setSpeed(speed);
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+ mPlayer.setOption(IjkMediaPlayer.OPT_CATEGORY_PLAYER, "soundtouch", 1);
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+ }
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+ } catch (Exception e) {
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+ e.printStackTrace();
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+ }
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+ }
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+
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+
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+ public void release() {
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+ hasPrepared = false;
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+ isStoped = true;
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+ mPlayer.stop();
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+ mPlayer.release();
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+ mPlayer = null;
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+ }
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+
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+
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+}
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