以下脚本完美无瑕,但在将我的表面视图从纵向更改为横向后,我的视频播放器的大小将变为f’d.尝试了几个选项,如setFixedSize(),setSizefromLayout(),并从我的surfaceview中删除涉及我的宽度高度的所有内容.有谁知道下面的代码有什么问题?
或者过去有人有同样的问题吗?
package com.list;
import io.vov.vitamio.MediaPlayer;
import io.vov.vitamio.MediaPlayer.OnBufferingUpdateListener;
import io.vov.vitamio.MediaPlayer.OnCompletionListener;
import io.vov.vitamio.MediaPlayer.OnPreparedListener;
import io.vov.vitamio.MediaPlayer.OnVideoSizeChangedListener;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
public class mediaPlayer extends Activity implements OnBufferingUpdateListener, OnCompletionListener, OnPreparedListener, OnVideoSizeChangedListener, SurfaceHolder.Callback {
private static final String TAG = "MediaPlayerDemo";
private int mVideoWidth;
private int mVideoHeight;
private MediaPlayer mMediaPlayer;
private SurfaceView mPreview;
private SurfaceHolder holder;
private boolean mIsVideoSizeKNown = false;
private boolean mIsVideoReadyToBePlayed = false;
@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);
setContentView(R.layout.mediaplayer);
mPreview = (SurfaceView) findViewById(R.id.surface);
holder = mPreview.getHolder();
holder.addCallback(this);
}
private void playVideo() {
doCleanUp();
try {
mMediaPlayer = new MediaPlayer(this);
Intent myIntent = this.getIntent();
String url = myIntent.getStringExtra("url");
mMediaPlayer.setDataSource(url);
mMediaPlayer.setdisplay(holder);
mMediaPlayer.prepareAsync();
mMediaPlayer.setScreenOnWhilePlaying(true);
mMediaPlayer.setonBufferingUpdateListener(this);
mMediaPlayer.setonCompletionListener(this);
mMediaPlayer.setonPreparedListener(this);
mMediaPlayer.setonVideoSizeChangedListener(this);
} catch (Exception e) {
Log.e(TAG, "error: " + e.getMessage(), e);
}
}
public void onBufferingUpdate(MediaPlayer arg0, int percent) {
Log.d(TAG, "onBufferingUpdate percent:" + percent);
}
public void onCompletion(MediaPlayer arg0) {
Log.d(TAG, "onCompletion called");
mMediaPlayer.release();
}
public void onVideoSizeChanged(MediaPlayer mp, int width, int height) {
Log.v(TAG, "onVideoSizeChanged called");
if (width == 0 || height == 0) {
Log.e(TAG, "invalid video width(" + width + ") or height(" + height + ")");
return;
}
Log.v("afmeting", "->" +width+"px bij "+height+"px");
mIsVideoSizeKNown = true;
if (mIsVideoReadyToBePlayed && mIsVideoSizeKNown) {
startVideoPlayback();
}
}
public void onPrepared(MediaPlayer mediaplayer) {
Log.d(TAG, "onPrepared called");
mIsVideoReadyToBePlayed = true;
if (mIsVideoReadyToBePlayed && mIsVideoSizeKNown) {
startVideoPlayback();
}
}
public void surfaceChanged(SurfaceHolder surfaceholder, int i, int j, int k) {
Log.d(TAG, "surfaceChanged called" + i + " " + j + " " + k);
}
public void surfaceDestroyed(SurfaceHolder surfaceholder) {
Log.d(TAG, "surfaceDestroyed called");
}
public void surfaceCreated(SurfaceHolder holder) {
Log.d(TAG, "surfaceCreated called");
playVideo();
}
@Override
protected void onPause() {
super.onPause();
releaseMediaPlayer();
doCleanUp();
}
@Override
protected void onDestroy() {
super.onDestroy();
releaseMediaPlayer();
doCleanUp();
}
private void releaseMediaPlayer() {
if (mMediaPlayer != null) {
mMediaPlayer.release();
mMediaPlayer = null;
}
}
private void doCleanUp() {
mVideoWidth = 0;
mVideoHeight = 0;
mIsVideoReadyToBePlayed = false;
mIsVideoSizeKNown = false;
}
private void startVideoPlayback() {
Log.v(TAG, "startVideoPlayback");
holder.setSizefromLayout();
mMediaPlayer.start();
}
}
解决方法:
同样的问题:
我相信问题是Vitamio库,因为我在处理Vitamio SDK时遇到了类似的问题.在使用SurfaceView并调用setLayoutParams(ViewGroup.LayoutParams params)时,调整大小对我不起作用.下面的代码使用标准的Android媒体框架工作正常,但导入vitamio包打破了它.
RelativeLayout.LayoutParams video_VIEWLAYOUT = (RelativeLayout.LayoutParams) videoView.getLayoutParams(); video_VIEWLAYOUT.width = screenWidth; video_VIEWLAYOUT.height = (int) (((float)videoHeight / (float)videoWidth) *(float)screenWidth); videoView.setLayoutParams(video_VIEWLAYOUT);
我的建议是尝试使用io.vov.vitamio.widget.VideoView而不是android.view.SurfaceView.