version:
update:修复圆角显示，封面缩略图拉伸 fix bug:
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203
JZVideo/src/main/java/cn/jzvd/JZMediaSystem.java
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203
JZVideo/src/main/java/cn/jzvd/JZMediaSystem.java
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package cn.jzvd;
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import android.graphics.SurfaceTexture;
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import android.media.AudioManager;
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import android.media.MediaPlayer;
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import android.media.PlaybackParams;
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import android.os.Handler;
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import android.os.HandlerThread;
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import android.view.Surface;
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import java.lang.reflect.Method;
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import java.util.Map;
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/**
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* Created by Nathen on 2017/11/8.
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* 实现系统的播放引擎
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*/
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public class JZMediaSystem extends JZMediaInterface implements MediaPlayer.OnPreparedListener, MediaPlayer.OnCompletionListener, MediaPlayer.OnBufferingUpdateListener, MediaPlayer.OnSeekCompleteListener, MediaPlayer.OnErrorListener, MediaPlayer.OnInfoListener, MediaPlayer.OnVideoSizeChangedListener {
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public MediaPlayer mediaPlayer;
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public JZMediaSystem(Jzvd jzvd) {
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super(jzvd);
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}
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@Override
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public void prepare() {
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release();
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mMediaHandlerThread = new HandlerThread("JZVD");
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mMediaHandlerThread.start();
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mMediaHandler = new Handler(mMediaHandlerThread.getLooper());//主线程还是非主线程，就在这里
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handler = new Handler();
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mMediaHandler.post(() -> {
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try {
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mediaPlayer = new MediaPlayer();
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mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);
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mediaPlayer.setLooping(jzvd.jzDataSource.looping);
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mediaPlayer.setOnPreparedListener(JZMediaSystem.this);
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mediaPlayer.setOnCompletionListener(JZMediaSystem.this);
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mediaPlayer.setOnBufferingUpdateListener(JZMediaSystem.this);
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mediaPlayer.setScreenOnWhilePlaying(true);
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mediaPlayer.setOnSeekCompleteListener(JZMediaSystem.this);
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mediaPlayer.setOnErrorListener(JZMediaSystem.this);
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mediaPlayer.setOnInfoListener(JZMediaSystem.this);
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mediaPlayer.setOnVideoSizeChangedListener(JZMediaSystem.this);
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Class<MediaPlayer> clazz = MediaPlayer.class;
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//如果不用反射，没有url和header参数的setDataSource函数
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Method method = clazz.getDeclaredMethod("setDataSource", String.class, Map.class);
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method.invoke(mediaPlayer, jzvd.jzDataSource.getCurrentUrl().toString(), jzvd.jzDataSource.headerMap);
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mediaPlayer.prepareAsync();
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mediaPlayer.setSurface(new Surface(SAVED_SURFACE));
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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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@Override
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public void start() {
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mMediaHandler.post(() -> mediaPlayer.start());
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}
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@Override
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public void pause() {
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mMediaHandler.post(() -> mediaPlayer.pause());
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}
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@Override
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public boolean isPlaying() {
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return mediaPlayer.isPlaying();
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}
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@Override
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public void seekTo(long time) {
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mMediaHandler.post(() -> {
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try {
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mediaPlayer.seekTo((int) time);
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} catch (IllegalStateException e) {
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e.printStackTrace();
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}
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});
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}
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@Override
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public void release() {//not perfect change you later
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if (mMediaHandler != null && mMediaHandlerThread != null && mediaPlayer != null) {//不知道有没有妖孽
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HandlerThread tmpHandlerThread = mMediaHandlerThread;
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MediaPlayer tmpMediaPlayer = mediaPlayer;
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JZMediaInterface.SAVED_SURFACE = null;
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mMediaHandler.post(() -> {
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tmpMediaPlayer.setSurface(null);
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tmpMediaPlayer.release();
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tmpHandlerThread.quit();
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});
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mediaPlayer = null;
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}
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}
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//TODO 测试这种问题是否在threadHandler中是否正常，所有的操作mediaplayer是否不需要thread，挨个测试，是否有问题
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@Override
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public long getCurrentPosition() {
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if (mediaPlayer != null) {
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return mediaPlayer.getCurrentPosition();
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} else {
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return 0;
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}
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}
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@Override
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public long getDuration() {
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if (mediaPlayer != null) {
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return mediaPlayer.getDuration();
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} else {
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return 0;
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}
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}
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@Override
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public void setVolume(float leftVolume, float rightVolume) {
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if (mMediaHandler == null) return;
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mMediaHandler.post(() -> {
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if (mediaPlayer != null) mediaPlayer.setVolume(leftVolume, rightVolume);
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});
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}
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@Override
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public void setSpeed(float speed) {
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if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
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PlaybackParams pp = mediaPlayer.getPlaybackParams();
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pp.setSpeed(speed);
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mediaPlayer.setPlaybackParams(pp);
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}
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}
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@Override
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public void onPrepared(MediaPlayer mediaPlayer) {
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handler.post(() -> jzvd.onPrepared());//如果是mp3音频，走这里
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}
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@Override
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public void onCompletion(MediaPlayer mediaPlayer) {
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handler.post(() -> jzvd.onCompletion());
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}
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@Override
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public void onBufferingUpdate(MediaPlayer mediaPlayer, final int percent) {
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handler.post(() -> jzvd.setBufferProgress(percent));
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}
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@Override
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public void onSeekComplete(MediaPlayer mediaPlayer) {
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handler.post(() -> jzvd.onSeekComplete());
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}
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@Override
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public boolean onError(MediaPlayer mediaPlayer, final int what, final int extra) {
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handler.post(() -> jzvd.onError(what, extra));
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return true;
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}
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@Override
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public boolean onInfo(MediaPlayer mediaPlayer, final int what, final int extra) {
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handler.post(() -> jzvd.onInfo(what, extra));
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return false;
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}
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@Override
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public void onVideoSizeChanged(MediaPlayer mediaPlayer, int width, int height) {
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handler.post(() -> jzvd.onVideoSizeChanged(width, height));
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}
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@Override
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public void setSurface(Surface surface) {
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mediaPlayer.setSurface(surface);
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}
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@Override
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public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
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if (SAVED_SURFACE == null) {
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SAVED_SURFACE = surface;
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prepare();
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} else {
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jzvd.textureView.setSurfaceTexture(SAVED_SURFACE);
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}
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}
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@Override
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public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
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}
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@Override
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public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
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return false;
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}
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@Override
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public void onSurfaceTextureUpdated(SurfaceTexture surface) {
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}
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}
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