Example usage for android.media MediaRecorder MediaRecorder

Introduction

In this page you can find the example usage for android.media MediaRecorder MediaRecorder.

Prototype

public MediaRecorder() 

Source Link

Document

Default constructor.

Usage

From source file:com.czh.testmpeg.videorecord.CameraActivity.java

private boolean prepareMediaRecorder() {
    mediaRecorder = new MediaRecorder();
    mCamera.unlock();//w  w  w  . j  a  v  a  2s . c om
    mediaRecorder.setCamera(mCamera);
    mediaRecorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
    mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);
    if (getResources().getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
        if (cameraFront) {
            mediaRecorder.setOrientationHint(270);
        } else {
            mediaRecorder.setOrientationHint(90);
        }
    }

    mediaRecorder.setProfile(CamcorderProfile.get(quality));
    File file = new File("/mnt/sdcard/videokit");
    if (!file.exists()) {
        file.mkdirs();
    }
    Date d = new Date();
    String timestamp = String.valueOf(d.getTime());
    //        url_file = Environment.getExternalStorageDirectory().getPath() + "/videoKit" + timestamp + ".mp4";
    url_file = "/mnt/sdcard/videokit/in.mp4";
    //        url_file = "/mnt/sdcard/videokit/" + timestamp + ".mp4";

    File file1 = new File(url_file);
    if (file1.exists()) {
        file1.delete();
    }

    mediaRecorder.setOutputFile(url_file);

    //        https://developer.android.com/reference/android/media/MediaRecorder.html#setMaxDuration(int) ??
    //        mediaRecorder.setMaxDuration(CameraConfig.MAX_DURATION_RECORD); // 60s.
    //        https://developer.android.com/reference/android/media/MediaRecorder.html#setMaxFileSize(int) ??
    //        mediaRecorder.setMaxFileSize(CameraConfig.MAX_FILE_SIZE_RECORD); //size 1G

    try {
        mediaRecorder.prepare();
    } catch (IllegalStateException e) {
        e.printStackTrace();
        releaseMediaRecorder();
        return false;
    } catch (IOException e) {
        e.printStackTrace();
        releaseMediaRecorder();
        return false;
    }
    return true;

}

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From source file:mgumiero9.com.talentcubetest.view.Camera2VideoFragment.java

/**
 * Tries to open a {@link CameraDevice}. The result is listened by `mStateCallback`.
 *///from  ww w  .j  a  v  a2s  . c o m
private void openCamera(int width, int height) {
    if (!hasPermissionsGranted(VIDEO_PERMISSIONS)) {
        requestVideoPermissions();
        return;
    }
    final Activity activity = getActivity();
    if (null == activity || activity.isFinishing()) {
        return;
    }
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        Log.e(TAG, "tryAcquire");

        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        String cameraId = manager.getCameraIdList()[0];

        // Choose the sizes for camera preview and video recording
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
        mVideoSize = chooseVideoSize(map.getOutputSizes(MediaRecorder.class));
        mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, mVideoSize);

        int orientation = getResources().getConfiguration().orientation;
        if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        } else {
            mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
        }
        configureTransform(width, height);
        mMediaRecorder = new MediaRecorder();

        if (ActivityCompat.checkSelfPermission(getActivity(),
                Manifest.permission.CAMERA) != PackageManager.PERMISSION_GRANTED) {
            // TODO: Consider calling
            //    ActivityCompat#requestPermissions
            // here to request the missing permissions, and then overriding
            //   public void onRequestPermissionsResult(int requestCode, String[] permissions,
            //                                          int[] grantResults)
            // to handle the case where the user grants the permission. See the documentation
            // for ActivityCompat#requestPermissions for more details.
            return;
        }
        manager.openCamera(cameraId, mStateCallback, null);
    } catch (CameraAccessException e) {
        Toast.makeText(activity, "Cannot access the camera.", Toast.LENGTH_SHORT).show();
        activity.finish();
    } catch (NullPointerException e) {
        // Currently an NPE is thrown when the Camera2API is used but not supported on the
        // device this code runs.
        ErrorDialog.newInstance(getString(R.string.camera_error)).show(getChildFragmentManager(),
                FRAGMENT_DIALOG);
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.");
    }
}

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From source file:com.example.zhang1ks.testbottombar.Camera2VideoFragment.java

/**
 * Tries to open a {@link CameraDevice}. The result is listened by `mStateCallback`.
 *//*  w  ww.j  a v  a2 s . c o m*/
private void openCamera(int width, int height) {
    if (!hasPermissionsGranted(VIDEO_PERMISSIONS)) {
        requestVideoPermissions();
        return;
    }
    final Activity activity = getActivity();
    if (null == activity || activity.isFinishing()) {
        return;
    }
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        Log.d(TAG, "tryAcquire");
        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        String cameraId = mCameraId;

        // Choose the sizes for camera preview and video recording
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
        mVideoSize = chooseVideoSize(map.getOutputSizes(MediaRecorder.class));
        mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, mVideoSize);

        int orientation = getResources().getConfiguration().orientation;
        if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        } else {
            mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
        }
        configureTransform(width, height);
        mMediaRecorder = new MediaRecorder();
        manager.openCamera(cameraId, mStateCallback, null);
    } catch (CameraAccessException e) {
        Toast.makeText(activity, "Cannot access the camera.", Toast.LENGTH_SHORT).show();
        activity.finish();
    } catch (NullPointerException e) {
        // Currently an NPE is thrown when the Camera2API is used but not supported on the
        // device this code runs.
        ErrorDialog.newInstance(getString(R.string.camera_error)).show(getChildFragmentManager(),
                FRAGMENT_DIALOG);
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.");
    }
}

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From source file:org.mercycorps.translationcards.activity.RecordingActivity.java

private void startRecording() {
    if (!checkRecordingPermission()) {
        return;/*from   www.j a  va 2 s  .  com*/
    }
    listenButton.setBackgroundResource(R.drawable.button_listen_enabled);
    if (!isAsset && (filename != null)) {
        File oldFile = new File(filename);
        oldFile.delete();
        filename = null;
    }
    File recordingsDir = new File(getFilesDir(), "recordings");
    recordingsDir.mkdirs();
    File targetFile = new File(recordingsDir,
            String.format("%d.3gp", (new Random()).nextInt() * (new Random()).nextInt()));
    filename = targetFile.getAbsolutePath();
    isAsset = false;
    mediaRecorder = new MediaRecorder();
    mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.THREE_GPP);
    mediaRecorder.setOutputFile(filename);
    mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
    try {
        mediaRecorder.prepare();
    } catch (IOException e) {
        Log.e(TAG, "Error preparing media recorder: " + e);
        // TODO(nworden): something
    }
    mediaRecorder.start();
    recordButton.setBackgroundResource(R.drawable.button_record_active);
    recordingStatus = RecordingStatus.RECORDING;
}

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From source file:com.mov.android.camera2video.Camera2VideoFragment.java

/**
 * Tries to open a {@link CameraDevice}. The result is listened by `mStateCallback`.
 *///  w  w  w  .  j av  a  2s  . c o  m
private void openCamera(int width, int height, boolean isFront) {
    if (!hasPermissionsGranted(VIDEO_PERMISSIONS)) {
        requestVideoPermissions();
        return;
    }
    final Activity activity = getActivity();
    if (null == activity || activity.isFinishing()) {
        return;
    }
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        Log.d(TAG, "tryAcquire");
        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        String[] cameras = manager.getCameraIdList();
        String cameraId = "";
        for (String cameraId_ : cameras) {
            CameraCharacteristics cameraCharacteristics = manager.getCameraCharacteristics(cameraId_);
            if ((isFront && cameraCharacteristics
                    .get(CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_FRONT)
                    || (!isFront && cameraCharacteristics.get(
                            CameraCharacteristics.LENS_FACING) == CameraCharacteristics.LENS_FACING_BACK)) {
                cameraId = cameraId_;
                break;
            }
        }

        // Choose the sizes for camera preview and video recording
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
        mVideoSize = chooseVideoSize(map.getOutputSizes(MediaRecorder.class));
        mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, mVideoSize);

        int orientation = getResources().getConfiguration().orientation;
        if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        } else {
            mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
        }
        configureTransform(width, height);
        mMediaRecorder = new MediaRecorder();
        manager.openCamera(cameraId, mStateCallback, null);
    } catch (CameraAccessException e) {
        Toast.makeText(activity, "Cannot access the camera.", Toast.LENGTH_SHORT).show();
        activity.finish();
    } catch (NullPointerException e) {
        // Currently an NPE is thrown when the Camera2API is used but not supported on the
        // device this code runs.
        ErrorDialog.newInstance(getString(R.string.camera_error)).show(getChildFragmentManager(),
                FRAGMENT_DIALOG);
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.");
    }
}

---

From source file:kr.ac.kpu.wheeling.blackbox.Camera2VideoFragment.java

/**
 * Tries to open a {@link CameraDevice}. The result is listened by `mStateCallback`.
 *///w  ww . j a  v a2 s .co m
private void openCamera(int width, int height) {
    if (!hasPermissionsGranted(VIDEO_PERMISSIONS)) {
        requestVideoPermissions();
        return;
    }
    final Activity activity = getActivity();
    if (null == activity || activity.isFinishing()) {
        return;
    }
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        Log.d(TAG, "tryAcquire");
        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        String cameraId = manager.getCameraIdList()[0];

        // Choose the sizes for camera preview and video recording
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        mSensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
        mVideoSize = chooseVideoSize(map.getOutputSizes(MediaRecorder.class));
        mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, mVideoSize);
        Log.d("INFO", "Width and Height: " + width + height);
        Log.d("INFO", "Video Height: " + mVideoSize.getHeight() + " Width: " + mVideoSize.getWidth());
        Log.d("INFO", "Preview Height: " + mPreviewSize.getHeight() + " Width: " + mPreviewSize.getWidth());
        screenInfo = new ScreenInfo();
        screenInfo.setNoSoftKeyScreenInfo(activity);
        Log.d("SCREEN", screenInfo.toString());
        int orientation = getResources().getConfiguration().orientation;
        if (orientation == Configuration.ORIENTATION_LANDSCAPE) {
            mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        } else {
            mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
        }
        configureTransform(width, height);
        mMediaRecorder = new MediaRecorder();
        manager.openCamera(cameraId, mStateCallback, null);
    } catch (CameraAccessException e) {
        Toast.makeText(activity, "Cannot access the camera.", Toast.LENGTH_SHORT).show();
        activity.finish();
    } catch (NullPointerException e) {
        // Currently an NPE is thrown when the Camera2API is used but not supported on the
        // device this code runs.
        ErrorDialog.newInstance(getString(kr.ac.kpu.wheeling.R.string.camera_error))
                .show(getChildFragmentManager(), FRAGMENT_DIALOG);
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.");
    } catch (SecurityException e) {

    }

}

---

From source file:com.Yamate.Camera.Camera.java

/**
 * Opens the camera specified/*from w  ww  .  j ava2s .  c o  m*/
 */
private void openCamera(int width, int height) {

    setUpCameraOutputs(width, height);
    configureTransform(width, height);
    Activity activity = mActivity;
    //adding for camcorder
    mMediaRecorder = new MediaRecorder();
    try {
        setUpMediaRecorder();
    } catch (IOException e) {
        e.printStackTrace();
    }
    CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throw new RuntimeException("Time out waiting to lock camera opening.");
        }
        manager.openCamera(mCameraId, mStateCallback, mBackgroundHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    } catch (InterruptedException e) {
        throw new RuntimeException("Interrupted while trying to lock camera opening.", e);
    } catch (SecurityException e) {
        Log.e("mr", "cacPreviewSize - Security Exception");
    }
}

---

From source file:org.awesomeapp.messenger.ui.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 {/*www.j av  a2s. c o m*/

            // 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 {
        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);
        }
    }
}

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From source file:edu.sfsu.csc780.chathub.ui.MainActivity.java

private void startRecording() {
    recorder = new MediaRecorder();
    recorder.setAudioSource(MediaRecorder.AudioSource.MIC);
    recorder.setOutputFormat(output_formats[currentFormat]);
    recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
    audioUri = getFilename();//w  w w . j ava  2s.c  om
    recorder.setOutputFile(audioUri);
    recorder.setOnErrorListener(errorListener);
    recorder.setOnInfoListener(infoListener);

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

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From source file:com.insthub.O2OMobile.Activity.C1_PublishOrderActivity.java

/**
 * /*w w  w . j av  a 2s .  co m*/
 */
private void startRecording() {
    mFileName = newFileName();
    //
    try {
        mRecorder = new MediaRecorder();
        //?
        mRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);
        //???
        mRecorder.setOutputFormat(MediaRecorder.OutputFormat.AMR_NB);
        mRecorder.setAudioSamplingRate(8000);
        mRecorder.setAudioEncodingBitRate(16);
        //??
        mRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AMR_NB);
        mRecorder.setOutputFile(mFileName);
        mRecorder.prepare();
        mRecorder.start();
    } catch (IOException e) {
        e.printStackTrace();
    } catch (IllegalStateException e2) {
        e2.printStackTrace();
    }

    mTimer = new Timer();
    TimerTask timerTask = new TimerTask() {
        @Override
        public void run() {
            // TODO Auto-generated method stub
            mMaxTime--;
            Message msg = new Message();
            msg.what = mMaxTime;
            handler.sendMessage(msg);
        }
    };
    mTimer.schedule(timerTask, 1000, 1000);
}

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