我很难调试这些东西。顺便说一句，我的设置是使用FileDescriptor数据播放视频内容，记录和发送数据到连接设备是相当不错的。但是当我尝试读取数据时，初始化MediaPlayer会给我带来错误。
03-21 03:33:02.111 27481-27481/shaveyourneck.syn.app.com.shaveyourneck E/CameraActivity: onPayloadReceived: STREAM DATA RECIEVED! -------> I recieve the FileDescriptor data
03-21 03:33:02.131 27481-27481/shaveyourneck.syn.app.com.shaveyourneck E/CameraActivity: onPayloadTransferUpdate: STco com.google.android.gms.nearby.connection.PayloadTransferUpdate@f7a66429
03-21 03:33:02.131 27481-27481/shaveyourneck.syn.app.com.shaveyourneck E/CameraActivity: onPayloadTransferUpdate: STREAM PAYLOAD
03-21 03:33:02.134 27481-27481/shaveyourneck.syn.app.com.shaveyourneck E/MediaPlayerNative: invoke failed: wrong state 1, mPlayer(0x0) ---------> Error i encounter when i initialize MediaPlayer and START PLAYING the content
03-21 03:33:02.139 1755-9892/? E/HsmCoreServiceImpl: onTransact in code is: 102
03-21 03:33:02.141 27481-27481/shaveyourneck.syn.app.com.shaveyourneck E/StreamMediaPlayer: run: fileDescriptor stuffs Exception failure code: -38
failure code: -38 --------> ERROR CODE i recieved
这是我的媒体播放器来源
{
activity = act;
fileDescriptor = fileDescriptorVal;
fileInputStream = new FileInputStream(fileDescriptorVal);
r = new Runnable() {
@Override
public void run() {
activity.runOnUiThread(new Runnable() {
@Override
public void run() {
if (mediaPlayer == null) {
Log.e(TAG, "startVideo: MEDIA PLAYER NULL,creating new instance");
mediaPlayer = new MediaPlayer();
}
if (!fileDescriptor.valid()) {
Log.e(TAG, "run: FILE DESCRIPTOR NOT VALID ?????");
try {
fileDescriptor.sync();
} catch (SyncFailedException e) {
Log.e(TAG, "run: CANY SYNC");
e.printStackTrace();
}
}
try {
mediaPlayer.setWakeMode(activity, PowerManager.PARTIAL_WAKE_LOCK);
mediaPlayer.setVideoScalingMode(MediaPlayer.VIDEO_SCALING_MODE_SCALE_TO_FIT);
mediaPlayer.setDataSource(fileInputStream.getFD());
mediaPlayer.prepareAsync();
mediaPlayer.setOnPreparedListener(new MediaPlayer.OnPreparedListener() {
@Override
public void onPrepared(MediaPlayer mediaPlayer1) {
Log.e(TAG, "onPrepared: STARTING VIDEO!");
mediaPlayer1.start();
}
});
mediaPlayer.setOnErrorListener(new MediaPlayer.OnErrorListener() {
@Override
public boolean onError(MediaPlayer mediaPlayer, int i, int i1) {
return false;
}
});
} catch (IOException e) {
e.printStackTrace();
mediaPlayer.release();
mediaPlayer = null;
Log.e(TAG, "run: fileDescriptor stuffs IOException " + e.getMessage() + "\n" + e.getLocalizedMessage());
} catch (Exception ex) {
mediaPlayer.release();
mediaPlayer = null;
Log.e(TAG, "run: fileDescriptor stuffs Exception " + ex.getMessage() + "\n" + ex.getLocalizedMessage()); -----> ERROR DETECTS HERE
}
}
});
}
};
handler.post(r);
}