please help me!
On Jun 22, 9:45 am, cindy <ypu01...@yahoo.com> wrote:
> I have tried 1.5 video API. I could not make it work.It even can't do
> preview.
>
> following is my code:
> private boolean initializeVideo() {
> Log.v(TAG, "initializeVideo");
>
> if(Common.mRecordedVideo!=null && Common.mRecordedVideo.exists())
> Common.mRecordedVideo.delete();
> File sDir = Environment.getExternalStorageDirectory();
> String baseDir = sDir + Common.BASE_DIR;
> File sampleDir=new File(baseDir);
> if(!sampleDir.canWrite()) // Workaround for broken sdcard
> support on the device.
> sampleDir = new File("/sdcard/sdcard");
>
> try
> {
> Common.mRecordedVideo = File.createTempFile(PREFIX,
> EXTENSION, sampleDir);
> }
> catch(IOException e)
> {
> AlertDialog.Builder ab = new AlertDialog.Builder
> (VideoRecord.this);
> ab.setTitle("Error");
> ab.setMessage(" can't write audio data to storage");
> ab.setIcon(R.drawable.error);
> ab.setNeutralButton("Close", new
> DialogInterface.OnClickListener()
> {
> public void onClick(DialogInterface dialog, int
> whichButton)
> {
> }
> });
> ab.show();
> return false;
> }
>
> Intent intent = getIntent();
> releaseMediaRecorder();
>
> if (mSurfaceHolder == null) {
> Log.v(TAG, "SurfaceHolder is null");
> return false;
> }
>
> mMediaRecorder = new MediaRecorder();
>
> mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
>
> mMediaRecorder.setVideoSource
> (MediaRecorder.VideoSource.CAMERA);
> mMediaRecorder.setOutputFormat
> (MediaRecorder.OutputFormat.THREE_GPP);
>
> mMediaRecorder.setMaxDuration(MAX_RECORDING_DURATION_MS);
> mMediaRecorder.setOutputFile
> (Common.mRecordedVideo.getAbsolutePath());
>
> // Use the same frame rate for both, since internally
> // if the frame rate is too large, it can cause camera to
> become
> // unstable. We need to fix the MediaRecorder to disable the
> support
> // of setting frame rate for now.
> mMediaRecorder.setVideoFrameRate(20);
> mMediaRecorder.setVideoSize(352,288);
>
> mMediaRecorder.setVideoEncoder
> (MediaRecorder.VideoEncoder.H263);
>
> mMediaRecorder.setPreviewDisplay(mSurfaceHolder.getSurface());
>
> try {
> mMediaRecorder.prepare();
> } catch (IOException exception) {
> Log.e(TAG, "prepare failed for " );
> releaseMediaRecorder();
> // TODO: add more exception handling logic here
> return false;
> }
> mMediaRecorderRecording = false;
>
> return true;
> }
>
> private void startVideoRecording() {
> Log.v(TAG, "startVideoRecording");
> if (!mMediaRecorderRecording)
> {
> // Check mMediaRecorder to see whether it is initialized or
> not.
> if (mMediaRecorder == null && initializeVideo() ==
> false )
> {
> Log.e(TAG, "Initialize video (MediaRecorder)
> failed.");
> return;
> }
> try
> {
> mMediaRecorder.setOnErrorListener(this);
> mMediaRecorder.setOnInfoListener(this);
> mMediaRecorder.start(); // Recording is now started
> } catch (RuntimeException e) {
> Log.e(TAG, "Could not start media recorder. ", e);
> return;
> }
> mMediaRecorderRecording = true;
> mRecordingStartTime = SystemClock.uptimeMillis();
> updateRecordingIndicator(true);
> mRecordingTimeView.setText("");
> mRecordingTimeView.setVisibility(View.VISIBLE);
> mHandler.sendEmptyMessage(UPDATE_RECORD_TIME);
> setScreenTimeoutInfinite();
> }
> }
>
> On Jun 21, 6:05 pm, cindy <ypu01...@yahoo.com> wrote:
>
> > do you have any simple sample code for video recording?
>
> > Thanks!
>
> > Cindy
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