下面列出了android.media.MediaRecorder#prepare ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Starts the media recorder to record a new fragment
*/
private void startRecording() {
mRecorder = new MediaRecorder();
mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
mRecorder.setOutputFile(FileUtils.getPath(this, mOutputUri));
mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
try {
mRecorder.prepare();
}
catch (IOException e) {
Utils.d("Error writing file: "+e.toString());
Toast.makeText(getApplicationContext(), "An error occured at recorder preparations.", Toast.LENGTH_LONG)
.show();
}
mRecorder.start();
mVolumeChecker.run();
}
private void startAndSaveRecord(File recordFile) {
stopRecord();
mMediaRecorder = new MediaRecorder();
mMediaRecorder.reset();
// TODO: 16.05.17 not working well
mMediaRecorder.setAudioSource(mPreferenceHelper.getAudioSource()); //or default voice_communication
mMediaRecorder.setOutputFormat(mPreferenceHelper.getOutputFormat()); //MP4
mMediaRecorder.setAudioEncoder(mPreferenceHelper.getAudioEncoder()); //AAC
mMediaRecorder.getMaxAmplitude();
try {
if (!recordFile.createNewFile()) {
Log.i(TAG, "File name has been already given");
}
mMediaRecorder.setOutputFile(recordFile.getAbsolutePath());
mMediaRecorder.prepare();
mMediaRecorder.start();
} catch (IOException e) {
Log.e(TAG, "Error: Recording could not be starting!", e);
}
}
public void startRecording(View view) throws IOException {
startButton.setEnabled(false);
stopButton.setEnabled(true);
File sampleDir = Environment.getExternalStorageDirectory();
try {
audiofile = File.createTempFile("sound", ".3gp", sampleDir);
} catch (IOException e) {
Log.e(TAG, "sdcard access error");
return;
}
recorder = new MediaRecorder();
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
recorder.setOutputFile(audiofile.getAbsolutePath());
recorder.prepare();
recorder.start();
}
private boolean prepareMediaRecorder() {
mMediaRecorder = new MediaRecorder();
mCamera.unlock();
mMediaRecorder.setCamera(mCamera);
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mMediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_1080P));
mMediaRecorder.setPreviewDisplay(mHolder.getSurface());
String path = getSDPath();
if (path != null) {
File dir = new File(path + "/VideoRecorderTest");
if (!dir.exists()) {
dir.mkdir();
}
path = dir + "/" + getDate() + ".mp4";
mMediaRecorder.setOutputFile(path);
try {
mMediaRecorder.prepare();
} catch (IOException e) {
releaseMediaRecorder();
e.printStackTrace();
}
}
return true;
}
private void startRecording(String fileName) throws IOException {
if (!recording) {
this.fileName = fileName;
recording = true;
recorder = new MediaRecorder();
recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
recorder.setOutputFile(fileName);
recorder.prepare();
recorder.start();
}
}
private void startRecording() {
mRecorder = new MediaRecorder();
mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
mRecorder.setOutputFile(mFileName);
mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
try {
mRecorder.prepare();
} catch (IOException e) {
Log.e(LOG_TAG, "prepare() failed");
}
mRecorder.start();
}
public void recordVideo(VideoStartCallback videoStartCallback, VideoStopCallback videoStopCallback, VideoErrorCallback videoErrorCallback) {
try {
this.videoStartCallback = videoStartCallback;
this.videoStopCallback = videoStopCallback;
this.videoErrorCallback = videoErrorCallback;
if (mCameraDevice == null || !mTextureView.isAvailable() || mPreviewSize == null) {
this.videoErrorCallback.onVideoError("Camera not ready.");
return;
}
videoFile = Environment.getExternalStorageDirectory() + "/" + formatter.format(new Date()) + ".mp4";
mMediaRecorder = new MediaRecorder();
//mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
mMediaRecorder.setOutputFile(videoFile);
mMediaRecorder.setVideoEncodingBitRate(10000000);
mMediaRecorder.setVideoFrameRate(30);
mMediaRecorder.setVideoSize(mVideoSize.getWidth(), mVideoSize.getHeight());
mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
//mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
if (swappedDimensions) {
mMediaRecorder.setOrientationHint(INVERSE_ORIENTATIONS.get(mDisplayOrientation));
} else {
mMediaRecorder.setOrientationHint(ORIENTATIONS.get(mDisplayOrientation));
}
mMediaRecorder.prepare();
closePreviewSession();
createCameraRecordSession();
} catch (IOException ex) {
Log.d(TAG, "Video Recording error"+ex.getMessage());
}
}
private void startRecording() {
// 根据配置创建文件配置
GlobalSpec globalSpec = GlobalSpec.getInstance();
mAudioMediaStoreCompat = new MediaStoreCompat(getApplicationContext());
mAudioMediaStoreCompat.setSaveStrategy(globalSpec.audioStrategy == null ? globalSpec.saveStrategy : globalSpec.audioStrategy);
setFileNameAndPath();
mRecorder = new MediaRecorder();
mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
mRecorder.setOutputFile(mFile.getPath());
mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
mRecorder.setAudioChannels(1);
if (MySharedPreferences.getPrefHighQuality(this)) {
mRecorder.setAudioSamplingRate(44100);
mRecorder.setAudioEncodingBitRate(192000);
}
try {
mRecorder.prepare();
mRecorder.start();
mStartingTimeMillis = System.currentTimeMillis();
//startTimer();
//startForeground(1, createNotification());
} catch (IOException e) {
Log.e(LOG_TAG, "prepare() failed");
}
}
private void startRecording() {
recording = true;
mRecorder = new MediaRecorder();
mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mRecorder.setOutputFormat(MediaRecorder.OutputFormat.AAC_ADTS);
mRecorder.setOutputFile(mFilePath);
mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
try {
mRecorder.prepare();
final Animation animation = new AlphaAnimation(1, (float)0.5); // Change alpha from fully visible to invisible
animation.setDuration(500); // duration - half a second
animation.setInterpolator(new LinearInterpolator()); // do not alter animation rate
animation.setRepeatCount(Animation.INFINITE); // Repeat animation infinitely
animation.setRepeatMode(Animation.REVERSE); // Reverse animation at the end so the button will fade back in
btnRecord.startAnimation(animation);
startTime = System.currentTimeMillis();
AudioNoteActivity.this.runOnUiThread(new Runnable() {
@Override
public void run() {
if (mRecorder != null) {
long time = System.currentTimeMillis() - startTime;
int seconds = (int) time / 1000;
int minutes = seconds / 60;
seconds = seconds % 60;
tvRecordingTime.setText(String.format("%02d", minutes) + ":" + String.format("%02d", seconds));
mHandler.postDelayed(this, 100);
}
}
});
mRecorder.start();
} catch (IOException e) {
recording = false;
e.printStackTrace();
}
}
public void recordVideo(VideoStartCallback videoStartCallback, VideoStopCallback videoStopCallback, VideoErrorCallback videoErrorCallback) {
try {
this.videoStartCallback = videoStartCallback;
this.videoStopCallback = videoStopCallback;
this.videoErrorCallback = videoErrorCallback;
if(mCameraDevice == null || !mTextureView.isAvailable() || mPreviewSize == null){
this.videoErrorCallback.onVideoError("Camera not ready.");
return;
}
videoFile = Environment.getExternalStorageDirectory() + "/" + formatter.format(new Date()) + ".mp4";
mMediaRecorder = new MediaRecorder();
//mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
mMediaRecorder.setOutputFile(videoFile);
mMediaRecorder.setVideoEncodingBitRate(10000000);
mMediaRecorder.setVideoFrameRate(30);
mMediaRecorder.setVideoSize(mVideoSize.getWidth(), mVideoSize.getHeight());
mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
//mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
if(swappedDimensions) {
mMediaRecorder.setOrientationHint(INVERSE_ORIENTATIONS.get(mDisplayOrientation));
} else {
mMediaRecorder.setOrientationHint(ORIENTATIONS.get(mDisplayOrientation));
}
mMediaRecorder.prepare();
closePreviewSession();
createCameraRecordSession();
} catch(IOException ex) {
Log.d(TAG, ex.getMessage());
}
}
private void startRecord() {
mediaRecorder = new MediaRecorder();
mediaRecorder.reset();
mCamera.unlock();
// 设置录制视频源为Camera(相机)
mediaRecorder.setCamera(mCamera);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
// 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.MPEG_4);
// 设置录制的视频编码h263 h264
mediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
// 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(width, height);
// 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
if (SELECTED_CAMERA == CAMERA_FRONT_POSITION) {
mediaRecorder.setOrientationHint(270);
} else {
mediaRecorder.setOrientationHint(90);
}
mediaRecorder.setMaxDuration(10000);
mediaRecorder.setVideoEncodingBitRate(5 * 1024 * 1024);
mediaRecorder.setVideoFrameRate(20);
mediaRecorder.setPreviewDisplay(mHolder.getSurface());
// 设置视频文件输出的路径
mediaRecorder.setOutputFile("/sdcard/love.mp4");
try {
//准备录制
mediaRecorder.prepare();
// 开始录制
mediaRecorder.start();
} catch (IOException e) {
e.printStackTrace();
}
}
private void startRecording() {
String statusMessage = "";
String audioFileName = prepareOutputFile();
try {
mRecorder = new MediaRecorder();
mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
mRecorder.setOutputFile(audioFileName);
mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
mRecorder.setAudioEncodingBitRate(96000);
mRecorder.setAudioSamplingRate(mSamplingRate);
mRecorder.setOnErrorListener(mOnErrorListener);
mRecorder.prepare();
mRecorder.start();
mRecordingStatus = RECORDING_STATUS_STARTED;
startForeground(1, mRecordingNotif);
} catch (Exception e) {
e.printStackTrace();
mRecordingStatus = RECORDING_STATUS_ERROR;
statusMessage = e.getMessage();
} finally {
Intent i = new Intent(ACTION_RECORDING_STATUS_CHANGED);
i.putExtra(EXTRA_RECORDING_STATUS, mRecordingStatus);
if (mRecordingStatus == RECORDING_STATUS_STARTED) {
i.putExtra(EXTRA_AUDIO_FILENAME, audioFileName);
}
i.putExtra(EXTRA_STATUS_MESSAGE, statusMessage);
sendBroadcast(i);
}
}
/**
* 准备录音
*/
public void prepareAudio()
{
try
{
isPrepare = false;
File dir = new File(mDir);
if (!dir.exists())
dir.mkdirs();
String fileName = UUID.randomUUID() + ".amr";
mFile = new File(dir, fileName);
mMediaRecorder = new MediaRecorder();
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mMediaRecorder.setOutputFile(mFile.getAbsolutePath());
mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.AMR_NB);
mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
mMediaRecorder.prepare();
mMediaRecorder.start();
isPrepare = true;
if (mAudioStateListener != null)
{
mAudioStateListener.hadPrepare();
}
} catch (Exception e)
{
e.printStackTrace();
isPrepare = false;
}
}
public void onRecordClick(View v) {
if (!mRecording) {
File f = new File(getExternalFilesDir(null), "recording.mp4");
mRecorder = new MediaRecorder();
mRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
mRecorder.setOutputFile(f.getAbsolutePath());
mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC_ELD);
mRecorder.setAudioSamplingRate(48000);
mRecorder.setAudioEncodingBitRate(96000);
try {
mRecorder.prepare();
} catch (IOException e) {
Log.e(TAG, "unable to prepare MediaRecorder");
mRecorder = null;
return;
}
mRecorder.start();
mRecording = true;
setState(STATE_RECORDING);
} else {
mRecorder.stop();
mRecorder.release();
mRecording = false;
setState(STATE_IDLE);
}
}
@Override
public void surfaceCreated(SurfaceHolder surfaceHolder) {
camera = Camera.open();
try {
mediaRecorder = new MediaRecorder();
List<int[]> fps = camera.getParameters().getSupportedPreviewFpsRange();
int preview_fps[] = fps.get(0);
for (int i[] : camera.getParameters().getSupportedPreviewFpsRange())
preview_fps = (mCaptureRate <= i[1] && mCaptureRate > i[0]) ? i : preview_fps;
Camera.Parameters param = camera.getParameters();
param.setVideoStabilization(true);
param.setPreviewFpsRange(preview_fps[0], preview_fps[1]);
camera.setParameters(param);
camera.unlock();
mediaRecorder.setPreviewDisplay(surfaceHolder.getSurface());
mediaRecorder.setCamera(camera);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
CamcorderProfile profile;
if (mCaptureRate > 25) {
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
profile = CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH);
} else {
profile = CamcorderProfile.get(CamcorderProfile.QUALITY_TIME_LAPSE_HIGH);
mediaRecorder.setCaptureRate(mCaptureRate);
profile.videoFrameRate = ((int) Math.ceil(mCaptureRate));
}
mediaRecorder.setProfile(profile);
mediaRecorder.setOutputFile(mOutFile);
mediaRecorder.prepare();
mediaRecorder.start();
ScaleAnimation a = new ScaleAnimation(3, 2, 3, 2);
a.setDuration(2000);
surfaceView.startAnimation(a);
Log.i(TAG, String.format("recording %s with rate %.2f", mOutFile, mCaptureRate));
} catch(Exception e) {
onDestroy();
Log.d(TAG, e.toString());
}
}
private boolean prepareMediaRecorder() {
// 默认使用最高质量拍摄
CamcorderProfile profile =
CamcorderProfile.
get(Integer.valueOf((String) mConfig.getCurrentCameraId()), CamcorderProfile.QUALITY_720P);
Size previewSize = chooseOptimalSize();
mMediaRecorder = new MediaRecorder();
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
mMediaRecorder.setOutputFormat(profile.fileFormat);
mMediaRecorder.setVideoFrameRate(profile.videoFrameRate);
// mMediaRecorder.setVideoSize(mAspectRatio.getX(), mAspectRatio.getY());
// mMediaRecorder.setVideoSize(profile.videoFrameWidth, profile.videoFrameHeight);
mMediaRecorder.setVideoSize(previewSize.getWidth(), previewSize.getHeight());
@SuppressWarnings("ConstantConditions")
int sensorOrientation = mCameraCharacteristics.get(
CameraCharacteristics.SENSOR_ORIENTATION);
int rotation = (sensorOrientation +
mDisplayOrientation * (mConfig.getCurrentFacing() == Constants.CAMERA_FACING_FRONT ? 1 : -1) +
360) % 360;
mMediaRecorder.setOrientationHint(rotation);
mMediaRecorder.setVideoEncodingBitRate(profile.videoBitRate);
mMediaRecorder.setVideoEncoder(profile.videoCodec);
mMediaRecorder.setAudioEncodingBitRate(profile.audioBitRate);
mMediaRecorder.setAudioChannels(profile.audioChannels);
mMediaRecorder.setAudioSamplingRate(profile.audioSampleRate);
mMediaRecorder.setAudioEncoder(profile.audioCodec);
mMediaRecorder.setOutputFile(mConfig.getResultFile().getAbsolutePath());
// 如果针对拍摄的文件大小和拍摄时间有设置的话，也可以在这里设置
try {
mMediaRecorder.prepare();
return true;
} catch (Exception e) {
Log.d(TAG, "prepareMediaRecorder: " + e);
}
// 这个时候出现了错误，应该释放有关资源
releaseVideoRecorder();
return false;
}
@Override
protected void encodeWithMediaRecorder() throws IOException {
// We need a local socket to forward data output by the camera to the packetizer
createSockets();
Log.v(TAG,"Requested audio with "+mQuality.bitRate/1000+"kbps"+" at "+mQuality.samplingRate/1000+"kHz");
mMediaRecorder = new MediaRecorder();
mMediaRecorder.setAudioSource(mAudioSource);
mMediaRecorder.setOutputFormat(mOutputFormat);
mMediaRecorder.setAudioEncoder(mAudioEncoder);
mMediaRecorder.setAudioChannels(1);
mMediaRecorder.setAudioSamplingRate(mQuality.samplingRate);
mMediaRecorder.setAudioEncodingBitRate(mQuality.bitRate);
// We write the output of the camera in a local socket instead of a file !
// This one little trick makes streaming feasible quiet simply: data from the camera
// can then be manipulated at the other end of the socket
FileDescriptor fd = null;
if (sPipeApi == PIPE_API_PFD) {
fd = mParcelWrite.getFileDescriptor();
} else {
fd = mSender.getFileDescriptor();
}
mMediaRecorder.setOutputFile(fd);
mMediaRecorder.setOutputFile(fd);
mMediaRecorder.prepare();
mMediaRecorder.start();
InputStream is = null;
if (sPipeApi == PIPE_API_PFD) {
is = new ParcelFileDescriptor.AutoCloseInputStream(mParcelRead);
} else {
try {
// mReceiver.getInputStream contains the data from the camera
is = mReceiver.getInputStream();
} catch (IOException e) {
stop();
throw new IOException("Something happened with the local sockets :/ Start failed !");
}
}
// the mPacketizer encapsulates this stream in an RTP stream and send it over the network
mPacketizer.setInputStream(is);
mPacketizer.start();
mStreaming = true;
}
private boolean prepareMediaRecorder() {
try {
// final Activity activity = getActivity();
//if (null == activity) return false;
//final BaseCaptureInterface captureInterface = (BaseCaptureInterface) activity;
// setCameraDisplayOrientation(mCamera.getParameters());
mMediaRecorder = new MediaRecorder();
camera.stopPreview();
camera.unlock();
mMediaRecorder.setCamera(camera);
// boolean canUseAudio = true;
//boolean audioEnabled = !mInterface.audioDisabled();
//if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
// canUseAudio = ContextCompat.checkSelfPermission(activity, Manifest.permission.RECORD_AUDIO) == PackageManager.PERMISSION_GRANTED;
// if (canUseAudio && audioEnabled) {
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.DEFAULT);
// } else if (audioEnabled) {
// Toast.makeText(getActivity(), R.string.mcam_no_audio_access, Toast.LENGTH_LONG).show();
// }
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.DEFAULT);
final CamcorderProfile profile = CamcorderProfile.get(currentCameraId, CamcorderProfile.QUALITY_HIGH);
mMediaRecorder.setOutputFormat(profile.fileFormat);
mMediaRecorder.setVideoFrameRate(profile.videoFrameRate);
mMediaRecorder.setVideoSize(previewSize.width, previewSize.height);
mMediaRecorder.setVideoEncodingBitRate(profile.videoBitRate);
mMediaRecorder.setVideoEncoder(profile.videoCodec);
mMediaRecorder.setAudioEncodingBitRate(profile.audioBitRate);
mMediaRecorder.setAudioChannels(profile.audioChannels);
mMediaRecorder.setAudioSamplingRate(profile.audioSampleRate);
mMediaRecorder.setAudioEncoder(profile.audioCodec);
Uri uri = Uri.fromFile(FileUtils.makeTempFile(
new File(Environment.getExternalStorageDirectory(),
"/Omoshiroi/videos").getAbsolutePath(),
"VID_", ".mp4"));
mMediaRecorder.setOutputFile(uri.getPath());
// if (captureInterface.maxAllowedFileSize() > 0) {
// mMediaRecorder.setMaxFileSize(captureInterface.maxAllowedFileSize());
// mMediaRecorder.setOnInfoListener(new MediaRecorder.OnInfoListener() {
// @Override
// public void onInfo(MediaRecorder mediaRecorder, int what, int extra) {
// if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED) {
// Toast.makeText(getActivity(), R.string.mcam_file_size_limit_reached, Toast.LENGTH_SHORT).show();
// stopRecordingVideo(false);
// }
// }
// });
// }
mMediaRecorder.setOrientationHint(90);
// mMediaRecorder.setPreviewDisplay(mPreviewView.getHolder().getSurface());
mMediaRecorder.prepare();
return true;
} catch (Exception e) {
camera.lock();
e.printStackTrace();
return false;
}
}
private void setUpMediaRecorder(final File outputFile) throws IOException {
int rotation = getWindowManager().getDefaultDisplay().getRotation();
mMediaRecorder = new MediaRecorder();
mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
mMediaRecorder.setOutputFile(outputFile.getAbsolutePath());
mMediaRecorder.setVideoEncodingBitRate(10000000);
mMediaRecorder.setVideoFrameRate(30);
mMediaRecorder.setVideoSize(mVideoSize.getWidth(), mVideoSize.getHeight());
mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
int hint;
SparseIntArray orientations;
if (mFacing == Camera2Recorder.CameraFacing.FRONT) {
switch (rotation) {
case Surface.ROTATION_0:
rotation = Surface.ROTATION_0;
break;
case Surface.ROTATION_90:
rotation = Surface.ROTATION_270;
break;
case Surface.ROTATION_180:
rotation = Surface.ROTATION_180;
break;
case Surface.ROTATION_270:
rotation = Surface.ROTATION_90;
break;
}
}
switch (mSensorOrientation) {
case SENSOR_ORIENTATION_INVERSE_DEGREES:
orientations = INVERSE_ORIENTATIONS;
break;
case SENSOR_ORIENTATION_DEFAULT_DEGREES:
default:
orientations = DEFAULT_ORIENTATIONS;
break;
}
hint = orientations.get(rotation);
mMediaRecorder.setOrientationHint(hint);
mMediaRecorder.prepare();
if (DEBUG) {
Log.d(TAG, "VideoSize: " + mVideoSize.getWidth() + "x" + mVideoSize.getHeight());
Log.d(TAG, "OutputFile: " + outputFile.getAbsolutePath());
Log.d(TAG, "Facing: " + mFacing.getName());
Log.d(TAG, "SensorOrientation: " + mSensorOrientation);
Log.d(TAG, "DisplayRotation: " + rotation);
Log.d(TAG, "OrientationHint: " + hint);
}
}
@SuppressLint("SimpleDateFormat")
protected boolean prepareMediaRecorder() throws IOException {
mediaRecorder = new MediaRecorder(); // Works well
camera.stopPreview();
camera.unlock();
mediaRecorder.setCamera(camera);
mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
if (flag == 1) {
mediaRecorder.setProfile(CamcorderProfile.get(1, CamcorderProfile.QUALITY_HIGH));
} else {
mediaRecorder.setProfile(CamcorderProfile.get(CamcorderProfile.QUALITY_HIGH));
}
mediaRecorder.setPreviewDisplay(surfaceHolder.getSurface());
mediaRecorder.setOrientationHint(mOrientation);
if (Build.MODEL.equalsIgnoreCase("Nexus 6") && flag == 1) {
if (mOrientation == 90) {
mediaRecorder.setOrientationHint(mOrientation);
} else if (mOrientation == 180) {
mediaRecorder.setOrientationHint(0);
} else {
mediaRecorder.setOrientationHint(180);
}
} else if (mOrientation == 90 && flag == 1) {
mediaRecorder.setOrientationHint(270);
} else if (flag == 1) {
mediaRecorder.setOrientationHint(mOrientation);
}
mediaFileName = "wc_vid_" + System.currentTimeMillis();
mediaRecorder.setOutputFile(folder.getAbsolutePath() + "/" + mediaFileName + ".mp4"); // Environment.getExternalStorageDirectory()
mediaRecorder.setOnInfoListener(new MediaRecorder.OnInfoListener() {
public void onInfo(MediaRecorder mr, int what, int extra) {
// TODO Auto-generated method stub
if (what == MediaRecorder.MEDIA_RECORDER_INFO_MAX_FILESIZE_REACHED) {
long downTime = 0;
long eventTime = 0;
float x = 0.0f;
float y = 0.0f;
int metaState = 0;
MotionEvent motionEvent = MotionEvent.obtain(
downTime,
eventTime,
MotionEvent.ACTION_UP,
0,
0,
metaState
);
imgCapture.dispatchTouchEvent(motionEvent);
Toast.makeText(WhatsappCameraActivity.this, "You reached to Maximum(25MB) video size.", Toast.LENGTH_SHORT).show();
}
}
});
mediaRecorder.setMaxFileSize(1000 * 25 * 1000);
try {
mediaRecorder.prepare();
} catch (Exception e) {
releaseMediaRecorder();
e.printStackTrace();
return false;
}
return true;
}