我正在使用surfaceview媒体录像机录制视频，它正在录制，但显示角度偏移了 90 度，这与实际的房间记录不同，也就是说，如果您使用我的应用程序录制房间，显示将偏移 90 度，房间天花板将在左侧，因此您的房间展示。任何人都可以帮助我解决这个问题以录制直角视频。这是我的代码供您参考，请在此处查看我的编码
main.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
>
<SurfaceView
android:id="@+id/videoview"
android:layout_height="480px" android:layout_width="248dp"/>
<Button
android:id="@+id/mybutton"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="REC"
android:textSize="12dp"/>
</RelativeLayout>`
`
这是我的清单文件
<application android:icon="@drawable/icon" android:label="@string/app_name">
<activity android:name=".SurfaceAngleRecActivity"
android:label="@string/app_name">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>`
`这是我的代码：
SurfaceAngleRecActivity.java
public class SurfaceAngleRecActivity extends Activity implements SurfaceHolder.Callback
{
MediaRecorder mediaRecorder;
SurfaceHolder surfaceHolder;
boolean recording;
Button record;
MediaPlayer mediaPlayer;
boolean pausing = false;
String PlayPath ="/sdcard/myvideo.mp4";
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
mediaRecorder = new MediaRecorder();
initMediaRecorder();
setContentView(R.layout.main);
recording = false;
SurfaceView myVideoView = (SurfaceView)findViewById(R.id.videoview);
surfaceHolder = myVideoView.getHolder();
surfaceHolder.addCallback(this);
surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
record=(Button)findViewById(R.id.mybutton);
record.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
if(!recording)
{
mediaRecorder.start();
recording = true;
//Stop.setVisibility(View.VISIBLE);
//Record.setVisibility(View.INVISIBLE);
record.setText("STOP");
//Play.setEnabled(false);
//Pause.setEnabled(false);
}else
{
mediaRecorder.stop();
mediaRecorder.release();
recording = false;
//Record.setVisibility(View.VISIBLE);
//Stop.setVisibility(View.INVISIBLE);
//Record.setText("Record");
//Play.setEnabled(true);
//Pause.setEnabled(true);
// finish();
}
}
});
}
public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {
// TODO Auto-generated method stub
}
public void surfaceCreated(SurfaceHolder holder) {
// TODO Auto-generated method stub
prepareMediaRecorder();
}
public void surfaceDestroyed(SurfaceHolder holder) {
// TODO Auto-generated method stub
}
private void initMediaRecorder()
{
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
//File file=new File(Environment.getExternalStorageDirectory(), PlayPath);
CamcorderProfile camcorderProfile_HQ =CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH);
mediaRecorder.setProfile(camcorderProfile_HQ);
mediaRecorder.setOutputFile("/sdcard/myvideo.mp4");
//mediaRecorder.setVideoSize(20, 20);
//mediaRecorder.setMaxDuration(60000); // Set max duration 60 sec.
//mediaRecorder.setMaxFileSize(5000000); // Set max file size 5M
}
private void prepareMediaRecorder()
{
mediaRecorder.setPreviewDisplay(surfaceHolder.getSurface());
try
{
mediaRecorder.prepare();
//mediaRecorder.setVideoSize(150, 200);
}
catch (IllegalStateException e)
{
//TODO Auto-generated catch block
e.printStackTrace();
}
catch (IOException e)
{
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}`