视频录制与播放（竖屏）旋转90度问题

package camera4.test;


import java.io.IOException;
import java.util.Timer;
import java.util.TimerTask;


import android.app.Activity;
import android.graphics.PixelFormat;
import android.hardware.Camera;
import android.media.AudioManager;
import android.media.MediaPlayer;
import android.media.MediaRecorder;
import android.net.LocalServerSocket;
import android.net.LocalSocket;
import android.net.Uri;
import android.os.Bundle;
import android.util.Log;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.SeekBar;
import android.widget.Toast;


public class TestBasicVideo extends Activity implements SurfaceHolder.Callback {
private Button start;
private Button stop;
private Button play;
private MediaRecorder mediarecorder;
private SurfaceView surfaceview;// 显示视频的控件
LocalSocket receiver, sender;
LocalServerSocket lss;
private SurfaceHolder surfaceHolder;
boolean isPlay = false;// 视频


private SeekBar skb_video = null;
MediaPlayer m = null;
Timer mTimer;
TimerTask mTimerTask;


public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);// 去掉标题栏
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);// 设置全屏


// 设置横屏显示
// setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);


// 选择支持半透明模式,在有surfaceview的activity中使用。
getWindow().setFormat(PixelFormat.TRANSLUCENT);
setContentView(R.layout.main_video);
init();
// ----------定时器记录播放进度---------//
mTimer = new Timer();
mTimerTask = new TimerTask() {
@Override
public void run() {
if (m != null) {
if (isPlay) {
skb_video.setProgress(m.getCurrentPosition());
} else {
m.release();
m = null;
}
}
}
};
mTimer.schedule(mTimerTask, 0, 10);
skb_video = (SeekBar) this.findViewById(R.id.SeekBar02);
}


private void init() {
start = (Button) this.findViewById(R.id.start);
stop = (Button) this.findViewById(R.id.stop);
play = (Button) this.findViewById(R.id.play);
start.setOnClickListener(new TestVideoListener());
stop.setOnClickListener(new TestVideoListener());
play.setOnClickListener(new TestVideoListener());
surfaceview = (SurfaceView) this.findViewById(R.id.surfaceview);
SurfaceHolder holder = surfaceview.getHolder();// 取得holder
holder.addCallback(this); // holder加入回调接口
// setType必须设置，要不出错.
holder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}


Camera camera;


class TestVideoListener implements OnClickListener {


public void onClick(View v) {
switch (v.getId()) {
case R.id.start:
mediarecorder = new MediaRecorder();// 创建mediarecorder对象
camera = Camera.open(Camera.CameraInfo.CAMERA_FACING_BACK);
if (camera != null) {
camera.setDisplayOrientation(90);//摄像图旋转90度
camera.unlock();
mediarecorder.setCamera(camera);
}
// 设置录制视频源为Camera(相机)
mediarecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mediarecorder.setOrientationHint(90);//视频旋转90度
// 设置录制完成后视频的封装格式THREE_GPP为3gp.MPEG_4为mp4
mediarecorder
.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
// 设置录制的视频编码h263 h264
mediarecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
// 设置视频录制的分辨率。必须放在设置编码和格式的后面，否则报错
mediarecorder.setVideoSize(640, 480);
// 设置录制的视频帧率。必须放在设置编码和格式的后面，否则报错
mediarecorder.setVideoFrameRate(30);
mediarecorder.setPreviewDisplay(surfaceHolder.getSurface());
// 设置视频文件输出的路径
mediarecorder.setOutputFile("/sdcard/h264.3gp");
try {
// 准备录制
mediarecorder.prepare();
// 开始录制
mediarecorder.start();
} catch (IllegalStateException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
break;
case R.id.stop:
Log.i("", "stop----");
if (!isPlay) {
if (mediarecorder != null) {
// 停止录制
mediarecorder.stop();
// 释放资源
mediarecorder.release();
mediarecorder = null;
}
if (camera != null) {
camera.release();
camera = null;
}
} else {
if (m != null) {
isPlay = false;
m.stop();
}
}
break;
case R.id.play:
Log.i("", "play");
isPlay = true;
if (m == null)
m = new MediaPlayer();
m.reset();// 恢复到未初始化的状态
Uri uri = Uri.parse("/sdcard/h264.3gp");
m = MediaPlayer.create(TestBasicVideo.this, uri);// 读取视频
skb_video.setMax(m.getDuration());// 设置SeekBar的长度
m.setAudioStreamType(AudioManager.STREAM_MUSIC);
m.setDisplay(surfaceHolder);// 设置屏幕
// try {
// m.prepare();
// } catch (IOException e) {
// e.printStackTrace();
// }
m.start();
break;
default:
break;
}


}


}


public void surfaceChanged(SurfaceHolder holder, int format, int width,
int height) {
// 将holder，这个holder为开始在oncreat里面取得的holder，将它赋给surfaceHolder
surfaceHolder = holder;
}


public void surfaceCreated(SurfaceHolder holder) {
// 将holder，这个holder为开始在oncreat里面取得的holder，将它赋给surfaceHolder
surfaceHolder = holder;
}


public void surfaceDestroyed(SurfaceHolder holder) {
// surfaceDestroyed的时候同时对象设置为null
surfaceview = null;
surfaceHolder = null;
mediarecorder = null;
}


}