public void startRecording(View view) {
try {
if (!Utils.isIntentAvailable(this, MediaStore.ACTION_VIDEO_CAPTURE)) {
Toast.makeText(this, "No camera available", Toast.LENGTH_SHORT).show();
return;
}
camera.unlock();
recorder = new MediaRecorder();
recorder.setCamera(camera);
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
recorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_480P));
// no need to set setOutputFormat, setAudioEncoder, setVideoEncoder
// when I set the profile instead?
recorder.setOutputFile(Utils.getOutputMediaFilePath(Utils.MEDIA_TYPE_VIDEO));
recorder.setPreviewDisplay(cameraPreview.getHolder().getSurface());
recorder.prepare();
recorder.start();
Log.i(TAG, "Recording started");
} catch (Exception e) {
releaseMediaRecorder();
Log.e(TAG, e.getMessage());
e.printStackTrace();
}
}
private boolean prepareVideoRecorder() {
if (mCamera == null) {
mCamera = getCameraInstance();
}
mMediaRecorder = new MediaRecorder();
// Step 1: Unlock and set camera to MediaRecorder
mCamera.unlock();
mMediaRecorder.setCamera(mCamera);
// Step 2: Set sources
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
// Step 3: Set a CamcorderProfile (requires API Level 8 or higher)
mMediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));
// Step 4: Set output file
mMediaRecorder.setOutputFile(getOutputMediaFile(MEDIA_TYPE_VIDEO).toString());
// Step 5: Set the preview output
mMediaRecorder.setPreviewDisplay(mPreview.getHolder().getSurface());
// Step 6: Prepare configured MediaRecorder
try {
mMediaRecorder.prepare();
} catch (IllegalStateException e) {
Log.d(TAG, "IllegalStateException preparing MediaRecorder: " + e.getMessage());
releaseMediaRecorder();
return false;
} catch (IOException e) {
Log.d(TAG, "IOException preparing MediaRecorder: " + e.getMessage());
releaseMediaRecorder();
return false;
}
return true;
}
private boolean prepareMediaRecorder(int forceQuality) {
try {
final Activity activity = getActivity();
if (null == activity) return false;
final BaseCaptureInterface captureInterface = (BaseCaptureInterface) activity;
setCameraDisplayOrientation(mCamera.getParameters());
mMediaRecorder = new MediaRecorder();
mCamera.stopPreview();
mCamera.unlock();
mMediaRecorder.setCamera(mCamera);
Log.d(
"Camera1Fragment",
String.format(
"Bit rate: %d, Frame rate: %d, Resolution: %s",
captureInterface.videoBitRate(),
captureInterface.videoFrameRate(),
String.format(Locale.getDefault(), "%dx%d", mVideoSize.width, mVideoSize.height)));
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
CamcorderProfile camcorderProfile = CamcorderProfile.get(getCurrentCameraId(), forceQuality);
camcorderProfile.videoBitRate = 1024000;
mMediaRecorder.setProfile(camcorderProfile);
mMediaRecorder.setVideoSize(mVideoSize.width, mVideoSize.height);
if (captureInterface.videoFrameRate() > 0)
mMediaRecorder.setVideoFrameRate(captureInterface.videoFrameRate());
if (captureInterface.videoBitRate() > 0)
mMediaRecorder.setVideoEncodingBitRate(captureInterface.videoBitRate());
Uri uri = Uri.fromFile(getOutputMediaFile());
mOutputUri = uri.toString();
mMediaRecorder.setOutputFile(uri.getPath());
mMediaRecorder.setOrientationHint(mDisplayOrientation);
mMediaRecorder.setPreviewDisplay(mPreviewView.getHolder().getSurface());
try {
mMediaRecorder.prepare();
return true;
} catch (Throwable e) {
throwError(new Exception("Failed to prepare the media recorder: " + e.getMessage(), e));
return false;
}
} catch (Throwable t) {
try {
mCamera.lock();
} catch (IllegalStateException e) {
throwError(new Exception("Failed to re-lock camera: " + e.getMessage(), e));
return false;
}
if (forceQuality == CamcorderProfile.QUALITY_480P)
return prepareMediaRecorder(CamcorderProfile.QUALITY_720P);
else if (forceQuality == CamcorderProfile.QUALITY_720P)
return prepareMediaRecorder(CamcorderProfile.QUALITY_LOW);
else if (forceQuality == CamcorderProfile.QUALITY_LOW) {
return prepareMediaRecorder(CamcorderProfile.QUALITY_1080P);
}
throwError(new Exception("Failed to begin recording: " + t.getMessage(), t));
return false;
}
}
