android.media.MediaRecorder#setOutputFormat ( )源码实例Demo

下面列出了android.media.MediaRecorder#setOutputFormat ( ) 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。

源代码1 项目： codeexamples-android 文件： SoundRecordingActivity.java

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();
	}

源代码2 项目： coursera-android 文件： AudioRecordingActivity.java

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(TAG, "Couldn't prepare and start MediaRecorder");
        }

        mRecorder.start();
    }

源代码3 项目： CoolChat 文件： RecordButton.java

private void init() {

        //如果文件夹不创建的话那么执行到recorder.prepare()就会报错
        File dir = new File(audioPath);
        if (!dir.exists()) {
            dir.mkdirs();
        }

        recorder = new MediaRecorder();
        recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        recorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
        recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
        recorder.setMaxDuration(MAX_LENGTH);
        recorder.setOutputFile(audioFileName);
        try {
            recorder.prepare();
        } catch (IOException e) {
            e.printStackTrace();
            LogUtils.e("MediaRecorder prepare()报错");
        }
    }

源代码4 项目： Smartlab 文件： MainActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);
	setContentView(R.layout.activity_main);
	try {
		recorder = new MediaRecorder();
		recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
		recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
		recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);

		File path = new File(Environment.getExternalStorageDirectory()
				.getAbsolutePath() + "/recorder/");
		path.mkdirs();

		audioFile = File.createTempFile(
				"recording_" + new Date().getTime(), ".3gp", path);
		recorder.setOutputFile(audioFile.getAbsolutePath());

		recorder.prepare();
	} catch (IOException e) {
		e.printStackTrace();
	}
}

源代码5 项目： GLEXP-Team-onebillion 文件： OBGeneralAudioRecorder.java

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();
        }
    });
}

源代码6 项目： GLEXP-Team-onebillion 文件： OBVideoRecorder.java

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);


}

源代码7 项目： DeviceConnect-Android 文件： StreamingRecorder.java

/**
 * 動画撮影のための準備を行います.
 *
 * @throws IOException 動画撮影の準備に失敗した場合に発生
 */
public synchronized void setUpMediaRecorder(File outputFile) throws IOException {
    if (DEBUG) {
        Log.e(TAG, "Set up MediaRecorder");
        Log.e(TAG, "  VideoSize: " + mSettings.getWidth() + "x" + mSettings.getHeight());
        Log.e(TAG, "  BitRate: " + mSettings.getBitRate());
        Log.e(TAG, "  FrameRate: " + mSettings.getFrameRate());
        Log.e(TAG, "  OutputFile: " + outputFile.getAbsolutePath());
    }

    int rotation = getDisplayRotation();
    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(mSettings.getBitRate());
    mMediaRecorder.setVideoFrameRate(mSettings.getFrameRate());
    mMediaRecorder.setVideoSize(mSettings.getWidth(), mSettings.getHeight());
    mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);
    mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
    mMediaRecorder.setOrientationHint(ORIENTATIONS[mSettings.getSensorOrientation()].get(rotation));
    mMediaRecorder.setOnInfoListener(mOnInfoListener);
    mMediaRecorder.setOnErrorListener(mOnErrorListener);
    mMediaRecorder.prepare();
}

源代码8 项目： FamilyChat 文件： MediaRecorderSystemImpl.java

@Override
public void initRecorder(Camera camera, int cameraId, Surface surface, String filePath)
{
    mMediaRecorder = new MediaRecorder();
    mMediaRecorder.reset();
    if (camera != null)
        mMediaRecorder.setCamera(camera);
    mMediaRecorder.setOnErrorListener(this);
    mMediaRecorder.setPreviewDisplay(surface);
    mMediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);//视频源
    mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);//音频源
    mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);//视频输出格式 也可设为3gp等其他格式
    mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);//音频格式
    mMediaRecorder.setVideoSize(640, 480);//设置分辨率，市面上大多数都支持640*480
    //        mediaRecorder.setVideoFrameRate(25);//设置每秒帧数 这个设置有可能会出问题，有的手机不支持这种帧率就会录制失败，这里使用默认的帧率，当然视频的大小肯定会受影响
    //这里设置可以调整清晰度
    mMediaRecorder.setVideoEncodingBitRate(2 * 1024 * 512);

    if (cameraId == Camera.CameraInfo.CAMERA_FACING_BACK)
        mMediaRecorder.setOrientationHint(90);
    else
        mMediaRecorder.setOrientationHint(270);
    mMediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);//视频录制格式
    mMediaRecorder.setOutputFile(filePath);
}

源代码9 项目： zom-android-matrix 文件： AudioRecorder.java

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);
        }
    }
}

源代码10 项目： AndroidVoiceAnimation 文件： MainActivity.java

@Override
public void onRecordStart() {
    Log.d(TAG, "onRecordStart");
    try {
        mMediaRecorder = new MediaRecorder();
        mMediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        mMediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.AMR_NB);
        mMediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
        mMediaRecorder.setOutputFile(new File(Environment.getExternalStorageDirectory(), "audio.amr").getAbsolutePath());
        mMediaRecorder.prepare();
        mMediaRecorder.start();
        mIsRecording = true;
        mHandler.post(new Runnable() {
            @Override
            public void run() {
                float radius = (float) Math.log10(Math.max(1, mMediaRecorder.getMaxAmplitude() - 500)) * ScreenUtils.dp2px(MainActivity.this, 20);
                mTextView.setText(String.valueOf(radius));
                mVoiceView.animateRadius(radius);
                if (mIsRecording) {
                    mHandler.postDelayed(this, 50);
                }
            }
        });
    } catch (IOException e) {
        Toast.makeText(this, "MediaRecorder prepare failed!", Toast.LENGTH_SHORT).show();
        e.printStackTrace();
    }
}

源代码11 项目： Machine-Learning-Projects-for-Mobile-Applications 文件： Camera2Source.java

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());
    }
}

源代码12 项目： astrobee_android 文件： MainActivity.java

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);
    }
}

源代码13 项目： GLEXP-Team-onebillion 文件： OBAudioRecorder.java

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);
}

源代码14 项目： microbit 文件： AudioRecorderActivity.java

private void startRecording() {
    releaseRecorder();

    mRecorder = new MediaRecorder();
    mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);

    mRecordFileOutput = getAudioFilename();

    //TODO: check disk space left?
    mRecorder.setOutputFile(mRecordFileOutput.getPath());
    mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);

    try {
        mRecorder.prepare();
    } catch(IOException e) {
        releaseRecorder();
        //TODO: show popup for failure?
        Log.e(TAG, e.toString());
        return;
    }

    mRecorder.start();
    mIsRecording = true;

    //UI update
    chronometer.setBase(SystemClock.elapsedRealtime());
    chronometer.start();

    filenameTxt.setText(mRecordFileOutput.getName());
    imageMic.setImageDrawable(drawable_mic_on);
}

源代码15 项目： ui 文件： noxmllayoutexample.java

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();
}

源代码16 项目： CameraView 文件： JCameraView.java

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();
    }
}

源代码17 项目： Android 文件： AudioUtil.java

/**
 * record voice
 */
public void prepareAudio() {
    File dir = FileUtil.newContactFile(FileUtil.FileType.VOICE);
    if (dir == null) {
        return;
    }
    if (!dir.exists()) {
        dir.mkdirs();
    }

    recordPath = generateAudioName();
    mediaRecorder = new MediaRecorder();

    try {
        mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        mediaRecorder.setOutputFile(recordPath);
        mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.RAW_AMR);
        mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
        mediaRecorder.prepare();
        mediaRecorder.start();
    } catch (Exception e) {
        //When you enter the chat interface, Home key to exit the voice off
        e.printStackTrace();
        recordListener.startError();
        mediaRecorder = null;
        return;
    }

    recordTimer.start();
    if (recordListener != null) {
        recordListener.wellPrepared();
    }
}

源代码18 项目： zom-android-matrix 文件： ConversationDetailActivity.java

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(LOG_TAG, "couldn't start audio", e);
            }
        }
    }
}

源代码19 项目： SimpleVideoEditor 文件： Camera2.java

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;
    }

源代码20 项目： libstreaming 文件： AudioStream.java

@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;
	
}