private static Camera.Size chooseVideoSize(BaseCaptureInterface ci, List<Camera.Size> choices) {
Camera.Size backupSize = null;
for (Camera.Size size : choices) {
if (size.height <= ci.videoPreferredHeight()) {
if (size.width == size.height * ci.videoPreferredAspect()) return size;
if (ci.videoPreferredHeight() >= size.height) backupSize = size;
}
}
if (backupSize != null) return backupSize;
LOG(CameraFragment.class, "Couldn't find any suitable video size");
return choices.get(choices.size() - 1);
}
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;
}
}
