我嘗試錄製視頻一週後,在嘗試使用示例和示例之後,這是不可能的,而且我總是會遇到類似的問題。我的代碼是以下之一:視頻錄製問題
public class VideoRecorder extends Activity{
private final static String TAG = "Playing";
private MediaRecorder recorder;
private Preview mPreview;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
recorder = new MediaRecorder();
recorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
recorder.setVideoEncoder(MediaRecorder.VideoEncoder.MPEG_4_SP);
mPreview = new Preview(this,recorder);
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE);
setContentView(mPreview);
}
@Override
public boolean onCreateOptionsMenu(Menu menu){
menu.add(0, 0, 0, "StartRecording");
menu.add(0, 1, 0, "StopRecording");
return super.onCreateOptionsMenu(menu);
}
@Override
public boolean onOptionsItemSelected(MenuItem item){
switch (item.getItemId())
{
case 0:
try {
recorder.start();
} catch (Exception e) {
Log.w(TAG, e);
recorder.release();
}
break;
case 1: //GoToAllNotes
recorder.stop();
recorder.release();
recorder = null;
finish();
break;
default:
break;
}
return super.onOptionsItemSelected(item);
}
}
class Preview extends SurfaceView implements SurfaceHolder.Callback{
private SurfaceHolder mHolder;
private MediaRecorder tempRecorder;
Preview(Context context, MediaRecorder recorder){
super(context);
tempRecorder = recorder;
mHolder = getHolder();
mHolder.addCallback(this);
mHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
}
public Surface getSurface(){
return mHolder.getSurface();
}
public void surfaceCreated(SurfaceHolder holder){
tempRecorder.setOutputFile("/sdcard/myVideo.3gp");
tempRecorder.setPreviewDisplay(mHolder.getSurface());
try{
tempRecorder.prepare();
} catch (Exception e) {
tempRecorder.release();
tempRecorder = null;
}
}
public void surfaceDestroyed(SurfaceHolder holder){
if(tempRecorder!=null){
tempRecorder.release();
tempRecorder = null;
}
}
public void surfaceChanged(SurfaceHolder holder, int format, int w, int h){
}
}
這一個是supose是其錄製視頻,但在嘗試和努力後,它是不工作的應用方便,但問題是:
媒體記錄器:準備失敗-17
如果有人知道如何使其正常工作....我想幫助的原因,我絕望了。
順便說一句,對於那些誰是會告訴我有關添加的權限,是的,我加入他們:
<uses-permission android:name="android.permission.CAMERA" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="android.permission.RECORD_AUDIO" />
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
<uses-feature android:name="android.hardware.camera" android:required="true" />
我試着用其他的例子,始終我發現一個問題,如果它不與準備-17,開始-0 ............
非常感謝!
謝謝回答,但我也試圖與H.263和它給我同樣的問題。我嘗試了一個三星Galaxy SII(機器人2.3.6),一個三星Galaxy Nexus(機器人4.0)和一個LG Optimus黑色(Android 2.3.3),沒有任何工作........ – zapotec 2012-02-20 17:01:55