Java Code Examples for android.media.MediaRecorder#setAudioSamplingRate()

The following examples show how to use android.media.MediaRecorder#setAudioSamplingRate() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: RecordingService.java    From SoundRecorder with GNU General Public License v3.0 6 votes vote down vote up
public void startRecording() {
    setFileNameAndPath();

    mRecorder = new MediaRecorder();
    mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
    mRecorder.setOutputFile(mFilePath);
    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");
    }
}
 
Example 2
Source File: RecordingActivity.java    From Conversations with GNU General Public License v3.0 6 votes vote down vote up
private boolean startRecording() {
    mRecorder = new MediaRecorder();
    mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
    mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
    mRecorder.setAudioEncodingBitRate(96000);
    mRecorder.setAudioSamplingRate(22050);
    setupOutputFile();
    mRecorder.setOutputFile(mOutputFile.getAbsolutePath());

    try {
        mRecorder.prepare();
        mRecorder.start();
        mStartTime = SystemClock.elapsedRealtime();
        mHandler.postDelayed(mTickExecutor, 100);
        Log.d("Voice Recorder", "started recording to " + mOutputFile.getAbsolutePath());
        return true;
    } catch (Exception e) {
        Log.e("Voice Recorder", "prepare() failed " + e.getMessage());
        return false;
    }
}
 
Example 3
Source File: OBVideoRecorder.java    From GLEXP-Team-onebillion with Apache License 2.0 6 votes vote down vote up
protected void initRecorder()
{

    mediaRecorder = new MediaRecorder();

    mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mediaRecorder.setVideoSource(MediaRecorder.VideoSource.SURFACE);
    mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);

    mediaRecorder.setVideoEncodingBitRate(100000000);
    mediaRecorder.setVideoFrameRate(30);
    mediaRecorder.setVideoSize(videoSize.getWidth(),videoSize.getHeight());
    mediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
    mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
    mediaRecorder.setAudioEncodingBitRate(128000);
    mediaRecorder.setAudioSamplingRate(44100);
    mediaRecorder.setOutputFile(recordedPath);


}
 
Example 4
Source File: OBGeneralAudioRecorder.java    From GLEXP-Team-onebillion with Apache License 2.0 6 votes vote down vote up
protected void initRecorder()
{
    audioRecorder = new MediaRecorder();
    audioRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    audioRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    audioRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
    audioRecorder.setAudioEncodingBitRate(128000);
    audioRecorder.setAudioSamplingRate(44100);
    audioRecorder.setOutputFile(recordingPath);
    audioRecorder.setOnInfoListener(new MediaRecorder.OnInfoListener() {
        @Override
        public void onInfo(MediaRecorder mediaRecorder, int i, int i1)
        {
            stopRecording();
        }
    });
}
 
Example 5
Source File: AudioDataCollector.java    From DataLogger with MIT License 6 votes vote down vote up
public void prepare(int samplingRate) {
    Log.i(TAG,"prepare:: Preparing listener for sensor "+getSensorName());
    mRecorder = new MediaRecorder();
    mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_WB);
    if (samplingRate != 0){
        mRecorder.setAudioSamplingRate(samplingRate);
    }
    logFile = LoggerHelper.defineLogFilename(mContext, mPath, mBaseLogFilename, "3gp", false, mNanosOffset);
    mRecorder.setOutputFile(logFile.getAbsolutePath());
    try {
        mRecorder.prepare();
    } catch (IOException e) {
        Log.e(TAG, "::prepare Error creating collector: " + e.getMessage());
    }
}
 
Example 6
Source File: RecordingService.java    From AlbumCameraRecorder with MIT License 5 votes vote down vote up
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");
        }
    }
 
Example 7
Source File: OBAudioRecorder.java    From GLEXP-Team-onebillion with Apache License 2.0 5 votes vote down vote up
protected void initRecorder()
{
    recordingTimer = null;
    mediaRecorder = new MediaRecorder();
    mediaRecorder.setAudioSource(MediaRecorder.AudioSource.VOICE_RECOGNITION);
    mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
    mediaRecorder.setAudioEncodingBitRate(128000);
    mediaRecorder.setAudioSamplingRate(44100);
    mediaRecorder.setOutputFile(recordedPath);
}
 
Example 8
Source File: RecordingService.java    From GravityBox with Apache License 2.0 5 votes vote down vote up
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);
    }
}
 
Example 9
Source File: MainActivity.java    From astrobee_android with Apache License 2.0 5 votes vote down vote up
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);
    }
}
 
Example 10
Source File: AudioRecorder.java    From ChatMessagesAdapter-android with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
private void initMediaRecorder() {
    recorder = new MediaRecorder();
    recorder.setAudioSource(configurationBuilder.audioSource);
    recorder.setOutputFormat(configurationBuilder.outputFormat);
    recorder.setOutputFile(configurationBuilder.filePath);
    recorder.setAudioChannels(configurationBuilder.channels);
    recorder.setAudioEncoder(configurationBuilder.audioEncoder);
    recorder.setAudioEncodingBitRate(configurationBuilder.bitRate);
    recorder.setAudioSamplingRate(configurationBuilder.samplingRate);
    recorder.setMaxDuration(configurationBuilder.duration);
    recorder.setOnInfoListener(new OnInfoListenerImpl());
    recorder.setOnErrorListener(new OnErrorListenerImpl());
}
 
Example 11
Source File: ChatActivity.java    From android-docs-samples with Apache License 2.0 5 votes vote down vote up
private void promptSpeechInput() {
    final MediaRecorder recorder = new MediaRecorder();
    recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    recorder.setOutputFormat(MediaRecorder.OutputFormat.AMR_NB);
    recorder.setAudioSamplingRate(8000);
    recorder.setAudioEncoder(MediaRecorder.AudioEncoder.DEFAULT);
    recorder.setOutputFile(fileName);

    try {
        recorder.prepare();
    } catch (IOException e) {
        Toast.makeText(
                getApplicationContext(),
                "Failed to record audio",
                Toast.LENGTH_SHORT).show();
        return;
    }

    AlertDialog alertDialog = new AlertDialog.Builder(this)
            .setMessage("Recording")
            .setPositiveButton("Send", new DialogInterface.OnClickListener() {
                @Override
                public void onClick(DialogInterface dialogInterface, int i) {
                    recorder.stop();
                    recorder.release();
                    sendAudio();
                }
            })
            .create();

    recorder.start();
    alertDialog.show();
}
 
Example 12
Source File: AudioRecorder.java    From RxAndroidAudio with MIT License 5 votes vote down vote up
/**
 * prepare for a new audio record.
 */
@WorkerThread
public synchronized boolean prepareRecord(int audioSource, int outputFormat, int audioEncoder,
        int sampleRate, int bitRate, File outputFile) {
    stopRecord();

    mRecorder = new MediaRecorder();
    mRecorder.setAudioSource(audioSource);
    mRecorder.setOutputFormat(outputFormat);
    mRecorder.setAudioSamplingRate(sampleRate);
    mRecorder.setAudioEncodingBitRate(bitRate);
    mRecorder.setAudioEncoder(audioEncoder);
    mRecorder.setOutputFile(outputFile.getAbsolutePath());

    // Handle IOException
    try {
        mRecorder.prepare();
    } catch (IOException exception) {
        Log.w(TAG, "startRecord fail, prepare fail: " + exception.getMessage());
        setError(ERROR_INTERNAL);
        mRecorder.reset();
        mRecorder.release();
        mRecorder = null;
        return false;
    }
    mState = STATE_PREPARED;
    return true;
}
 
Example 13
Source File: RecordingActivity.java    From Pix-Art-Messenger with GNU General Public License v3.0 5 votes vote down vote up
private boolean startRecording() {
    mRecorder = new MediaRecorder();
    mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    if (alternativeCodec) {
        mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
        mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
    } else {
        mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
        mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
        mRecorder.setAudioEncodingBitRate(96000);
        mRecorder.setAudioSamplingRate(22050);
    }
    setupOutputFile();
    mRecorder.setOutputFile(mOutputFile.getAbsolutePath());

    try {
        mRecorder.prepare();
        mRecorder.start();
        mStartTime = SystemClock.elapsedRealtime();
        mHandler.postDelayed(mTickExecutor, 100);
        Log.d("Voice Recorder", "started recording to " + mOutputFile.getAbsolutePath());
        return true;
    } catch (Exception e) {
        Log.e("Voice Recorder", "prepare() failed " + e.getMessage());
        return false;
    }
}
 
Example 14
Source File: AudioMessageFragment.java    From Applozic-Android-SDK with BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
public MediaRecorder prepareMediaRecorder() {

        audioRecorder = new MediaRecorder();
        audioRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        audioRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
        audioRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
        audioRecorder.setAudioEncodingBitRate(256);
        audioRecorder.setAudioChannels(1);
        audioRecorder.setAudioSamplingRate(44100);
        audioRecorder.setOutputFile(outputFile);

        return audioRecorder;
    }
 
Example 15
Source File: AudioRecorder.java    From zom-android-matrix with Apache License 2.0 5 votes vote down vote up
public void startAudioRecording() {
    AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
    if (am.getMode() == AudioManager.MODE_NORMAL) {

        mediaRecorder = new MediaRecorder();

        String fileName = UUID.randomUUID().toString().substring(0, 8) + ".m4a";
        outputFilePath = new File(context.getFilesDir(), fileName);

        mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
        mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);

        //maybe we can modify these in the future, or allow people to tweak them
        mediaRecorder.setAudioChannels(1);
        mediaRecorder.setAudioEncodingBitRate(22050);
        mediaRecorder.setAudioSamplingRate(64000);

        mediaRecorder.setOutputFile(outputFilePath.getAbsolutePath());

        try {
            isAudioRecording = true;
            mediaRecorder.prepare();
            mediaRecorder.start();

            if (getVisualizerView() != null) {
                startLevelListener();
            }
        } catch (Exception e) {
            Log.e(LOG_TAG, "couldn't start audio", e);
        }
    }
}
 
Example 16
Source File: Camera2.java    From SimpleVideoEditor with Apache License 2.0 4 votes vote down vote up
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;
    }
 
Example 17
Source File: CameraEngine.java    From In77Camera with MIT License 4 votes vote down vote up
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;
        }
    }
 
Example 18
Source File: VideoOverlay.java    From backgroundvideo with GNU General Public License v3.0 4 votes vote down vote up
public void Start(String filePath) throws Exception {
    if (this.mRecordingState == RecordingState.STARTED) {
        Log.w(TAG, "Already Recording");
        return;
    }

    if (!TextUtils.isEmpty(filePath)) {
        this.mFilePath = filePath;
    }

    attachView();

    if (this.mRecordingState == RecordingState.INITIALIZING) {
        this.mStartWhenInitialized = true;
        return;
    }

    if (TextUtils.isEmpty(mFilePath)) {
        throw new IllegalArgumentException("Filename for recording must be set");
    }

    initializeCamera();

    if (mCamera == null) {
        this.detachView();
        throw new NullPointerException("Cannot start recording, we don't have a camera!");
    }

    // Set camera parameters
    Camera.Parameters cameraParameters = mCamera.getParameters();
    mCamera.stopPreview(); //Apparently helps with freezing issue on some Samsung devices.
    mCamera.unlock();

    try {
        mRecorder = new MediaRecorder();
        mRecorder.setCamera(mCamera);

        CamcorderProfile profile;
        if (CamcorderProfile.hasProfile(mCameraId, CamcorderProfile.QUALITY_LOW)) {
            profile = CamcorderProfile.get(mCameraId, CamcorderProfile.QUALITY_LOW);
        } else {
            profile = CamcorderProfile.get(mCameraId, CamcorderProfile.QUALITY_HIGH);
        }

        Camera.Size lowestRes = CameraHelper.getLowestResolution(cameraParameters);
        profile.videoFrameWidth = lowestRes.width;
        profile.videoFrameHeight = lowestRes.height;

        mRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
        if (mRecordAudio) {
            // With audio
            mRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
            mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
            mRecorder.setVideoFrameRate(profile.videoFrameRate);
            mRecorder.setVideoSize(profile.videoFrameWidth, profile.videoFrameHeight);
            mRecorder.setVideoEncodingBitRate(profile.videoBitRate);
            mRecorder.setAudioEncodingBitRate(profile.audioBitRate);
            mRecorder.setAudioChannels(profile.audioChannels);
            mRecorder.setAudioSamplingRate(profile.audioSampleRate);
            mRecorder.setVideoEncoder(profile.videoCodec);
            mRecorder.setAudioEncoder(profile.audioCodec);
        } else {
            // Without audio
            mRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
            mRecorder.setVideoFrameRate(profile.videoFrameRate);
            mRecorder.setVideoSize(profile.videoFrameWidth, profile.videoFrameHeight);
            mRecorder.setVideoEncodingBitRate(profile.videoBitRate);
            mRecorder.setVideoEncoder(profile.videoCodec);
        }

        mRecorder.setOutputFile(filePath);
        mRecorder.setOrientationHint(mOrientation);
        mRecorder.prepare();
        Log.d(TAG, "Starting recording");
        mRecorder.start();
    } catch (Exception e) {
        this.releaseCamera();
        Log.e(TAG, "Could not start recording! MediaRecorder Error", e);
        throw e;
    }
}
 
Example 19
Source File: AudioStream.java    From libstreaming with Apache License 2.0 4 votes vote down vote up
@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;
	
}
 
Example 20
Source File: ConversationDetailActivity.java    From Zom-Android-XMPP with GNU General Public License v3.0 4 votes vote down vote up
public void startAudioRecording ()
{
    int permissionCheck = ContextCompat.checkSelfPermission(this,
            Manifest.permission.RECORD_AUDIO);

    if (permissionCheck ==PackageManager.PERMISSION_DENIED)
    {
        // Should we show an explanation?
        if (ActivityCompat.shouldShowRequestPermissionRationale(this,
                Manifest.permission.RECORD_AUDIO)) {


            // Show an expanation to the user *asynchronously* -- don't block
            // this thread waiting for the user's response! After the user
            // sees the explanation, try again to request the permission.
            Snackbar.make(mConvoView.getHistoryView(), R.string.grant_perms, Snackbar.LENGTH_LONG).show();
        } else {

            // No explanation needed, we can request the permission.

            ActivityCompat.requestPermissions(this,
                    new String[]{Manifest.permission.RECORD_AUDIO},
                    MY_PERMISSIONS_REQUEST_AUDIO);

            // MY_PERMISSIONS_REQUEST_READ_CONTACTS is an
            // app-defined int constant. The callback method gets the
            // result of the request.
        }
    }
    else {

        AudioManager am = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
        if (am.getMode() == AudioManager.MODE_NORMAL) {

            mMediaRecorder = new MediaRecorder();

            String fileName = UUID.randomUUID().toString().substring(0, 8) + ".m4a";
            mAudioFilePath = new File(getFilesDir(), fileName);

            mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
            mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
            mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);

            //maybe we can modify these in the future, or allow people to tweak them
            mMediaRecorder.setAudioChannels(1);
            mMediaRecorder.setAudioEncodingBitRate(22050);
            mMediaRecorder.setAudioSamplingRate(64000);

            mMediaRecorder.setOutputFile(mAudioFilePath.getAbsolutePath());

            try {
                mIsAudioRecording = true;
                mMediaRecorder.prepare();
                mMediaRecorder.start();
            } catch (Exception e) {
                Log.e(ImApp.LOG_TAG, "couldn't start audio", e);
            }
        }
    }
}