Android:视频 SeekTo 错误

Question

我有一个带有视频播放器的应用程序。我实现了一种存储视频中当前位置的方法，以便下次用户播放同一视频时，它会从用户离开的位置开始播放。但是，我无法从视频离开的位置加载视频。 log cat 不断显示这个错误

10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Unknown event: 1
10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Corrupted Data in buffer 0x2b59c8 0(int# 0/0)
10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Unknown event: 1
10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Corrupted Data in buffer 0x4a2ad0 0(int# 0/0)
10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Unknown event: 1
10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Corrupted Data in buffer 0x2b5a20 0(int# 0/0)
10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Unknown event: 1
10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Unknown event: 1
10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Corrupted Data in buffer 0x1c09a0 0(int# 0/0)
10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Unknown event: 1
10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Unknown event: 1
10-23 21:23:23.699: ERROR/TI_Video_Decoder(1250): Corrupted Data in buffer 0x3dafa0 0(int# 0/0)
10-23 21:23:23.707: ERROR/TI_Video_Decoder(1250): Unknown event: 1
10-23 21:23:23.707: ERROR/TI_Video_Decoder(1250): Unknown event: 1
10-23 21:23:23.707: ERROR/TI_Video_Decoder(1250): Unknown event: 1
10-23 21:23:23.707: ERROR/TI_Video_Decoder(1250): Corrupted Data in buffer 0x2b59c8 0(int# 0/0)
10-23 21:23:23.707: ERROR/TI_Video_Decoder(1250): Corrupted Data in buffer 0x1c4028 0(int# 0/0)
10-23 21:23:23.707: ERROR/TI_Video_Decoder(1250): Corrupted Data in buffer 0x2b5a20 0(int# 0/0)
10-23 21:23:23.707: ERROR/TI_Video_Decoder(1250): Corrupted Data in buffer 0x4a2ad0 0(int# 0/0)

这是我播放视频的代码。谁能在这里指导我为什么会收到此错误。谢谢..这是代码

公共(public)类 Player 扩展 Activity {

private static Context mContext;
private int mStartTime = 0;
private int sliderPosition; 
private int setTime;
private String uriString; 
private MediaPlayer player;

private class ErrorListener implements OnErrorListener {

private class CompletionListener implements OnCompletionListener {
    // FIXME: @Override
    public void onCompletion(MediaPlayer mp) {
        mContext = null;
        mStartTime = 0;
        System.exit(-1);
    }
}

private static Context getContext() {
    return mContext;
}

private static void setContext(Context context) {
    mContext = context;
}

@Override
public void onCreate(Bundle savedInstanceState) {
    System.gc();
super.onCreate(savedInstanceState);
    setContext(this);
    Intent intent = getIntent();
    Uri uri = intent.getData();
    uriString = intent.getStringExtra("filename" );
    if (uri != null) {  
        setContentView(R.layout.videoview);
        VideoView videoView = (VideoView) findViewById(R.id.videoview);
        videoView.setVideoURI(uri);
        videoView.setMediaController(new MediaController(this));
        videoView.setOnErrorListener(new ErrorListener());
        videoView.setOnCompletionListener(new CompletionListener());
        videoView.setKeepScreenOn(true);
        videoView.requestFocus();
    }
}//onCreate Method Ends

public void onStart(){
    super.onStart();
    VideoView videoView = (VideoView) findViewById(R.id.videoview);
    SharedPreferences Settings = getSharedPreferences("MyStoragePreferences", MODE_PRIVATE);
  if(Settings.contains(uriString))
    {
        setTime= Settings.getInt(uriString, 0);
        videoView.seekTo(setTime);
    videoView.start();
    }
    else
    {
        videoView.seekTo(mStartTime);
        videoView.seekTo(0);
        if (mStartTime == 0){
        videoView.start();
        }
    }
}

public void onSaveInstanceState(Bundle outState){
    VideoView videoView = (VideoView) findViewById(R.id.videoview);
    mStartTime = videoView.getCurrentPosition();
    outState.putInt("restartTime", mStartTime);
    super.onSaveInstanceState(outState);
}

@Override
protected void onDestroy() {
    mContext = null;
    super.onDestroy();
}

@Override
protected void onStop(){
    super.onStop();
    VideoView videoView = (VideoView) findViewById(R.id.videoview);
    videoView.stopPlayback();

}

@Override
protected void onPause(){
    super.onPause();
    VideoView videoView = (VideoView) findViewById(R.id.videoview);
    sliderPosition= videoView.getCurrentPosition();
    SharedPreferences Settings = getSharedPreferences("MyStoragePreferences", MODE_PRIVATE);
    SharedPreferences.Editor prefEditor = Settings.edit();
    prefEditor.putInt(uriString, sliderPosition);
    prefEditor.commit();
}

Answer 1

来自文档:

Although the asynchronuous seekTo(int) call returns right way, the actual seek operation may take a while to finish, especially for audio/video being streamed. When the actual seek operation completes, the internal player engine calls a user supplied OnSeekComplete.onSeekComplete() if an OnSeekCompleteListener has been registered beforehand via setOnSeekCompleteListener(OnSeekCompleteListener).

您收到此错误的原因可能是因为媒体播放器搜索速度较慢，所以当您开始播放视频时，它还没有完成搜索。因此它读取损坏的缓冲区