Examples with ImageReader android.media.ImageReader used on opensource projects

Example 6 with ImageReader

use of android.media.ImageReader in project android_frameworks_base by crdroidandroid.

the class Camera2SurfaceViewTestCase method createImageReader.

/**
     * Create an {@link ImageReader} object and get the surface.
     *
     * @param size The size of this ImageReader to be created.
     * @param format The format of this ImageReader to be created
     * @param maxNumImages The max number of images that can be acquired simultaneously.
     * @param listener The listener used by this ImageReader to notify callbacks.
     */
protected void createImageReader(Size size, int format, int maxNumImages, ImageReader.OnImageAvailableListener listener) throws Exception {
    closeImageReader();
    ImageReader r = makeImageReader(size, format, maxNumImages, listener, mHandler);
    mReader = r;
    mReaderSurface = r.getSurface();
}

Example 7 with ImageReader

use of android.media.ImageReader in project android_frameworks_base by crdroidandroid.

the class CameraTestUtils method makeImageReader.

/**
     * Create an {@link ImageReader} object and get the surface.
     *
     * @param size The size of this ImageReader to be created.
     * @param format The format of this ImageReader to be created
     * @param maxNumImages The max number of images that can be acquired simultaneously.
     * @param listener The listener used by this ImageReader to notify callbacks.
     * @param handler The handler to use for any listener callbacks.
     */
public static ImageReader makeImageReader(Size size, int format, int maxNumImages, ImageReader.OnImageAvailableListener listener, Handler handler) {
    ImageReader reader;
    reader = ImageReader.newInstance(size.getWidth(), size.getHeight(), format, maxNumImages);
    reader.setOnImageAvailableListener(listener, handler);
    if (VERBOSE)
        Log.v(TAG, "Created ImageReader size " + size);
    return reader;
}

Example 8 with ImageReader

use of android.media.ImageReader in project android_frameworks_base by AOSPA.

the class Camera2SurfaceViewTestCase method createImageReader.

/**
     * Create an {@link ImageReader} object and get the surface.
     *
     * @param size The size of this ImageReader to be created.
     * @param format The format of this ImageReader to be created
     * @param maxNumImages The max number of images that can be acquired simultaneously.
     * @param listener The listener used by this ImageReader to notify callbacks.
     */
protected void createImageReader(Size size, int format, int maxNumImages, ImageReader.OnImageAvailableListener listener) throws Exception {
    closeImageReader();
    ImageReader r = makeImageReader(size, format, maxNumImages, listener, mHandler);
    mReader = r;
    mReaderSurface = r.getSurface();
}

Example 9 with ImageReader

use of android.media.ImageReader in project android_frameworks_base by DirtyUnicorns.

the class Camera2StillCaptureTest method fullRawCaptureTestByCamera.

private void fullRawCaptureTestByCamera() throws Exception {
    Size maxPreviewSz = mOrderedPreviewSizes.get(0);
    Size maxStillSz = mOrderedStillSizes.get(0);
    SimpleCaptureCallback resultListener = new SimpleCaptureCallback();
    SimpleImageReaderListener jpegListener = new SimpleImageReaderListener();
    SimpleImageReaderListener rawListener = new SimpleImageReaderListener();
    Size size = mStaticInfo.getRawDimensChecked();
    if (VERBOSE) {
        Log.v(TAG, "Testing multi capture with size " + size.toString() + ", preview size " + maxPreviewSz);
    }
    // Prepare raw capture and start preview.
    CaptureRequest.Builder previewBuilder = mCamera.createCaptureRequest(CameraDevice.TEMPLATE_PREVIEW);
    CaptureRequest.Builder multiBuilder = mCamera.createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
    ImageReader rawReader = null;
    ImageReader jpegReader = null;
    try {
        // Create ImageReaders.
        rawReader = makeImageReader(size, ImageFormat.RAW_SENSOR, MAX_READER_IMAGES, rawListener, mHandler);
        jpegReader = makeImageReader(maxStillSz, ImageFormat.JPEG, MAX_READER_IMAGES, jpegListener, mHandler);
        updatePreviewSurface(maxPreviewSz);
        // Configure output streams with preview and jpeg streams.
        List<Surface> outputSurfaces = new ArrayList<Surface>();
        outputSurfaces.add(rawReader.getSurface());
        outputSurfaces.add(jpegReader.getSurface());
        outputSurfaces.add(mPreviewSurface);
        mSessionListener = new BlockingSessionCallback();
        mSession = configureCameraSession(mCamera, outputSurfaces, mSessionListener, mHandler);
        // Configure the requests.
        previewBuilder.addTarget(mPreviewSurface);
        multiBuilder.addTarget(mPreviewSurface);
        multiBuilder.addTarget(rawReader.getSurface());
        multiBuilder.addTarget(jpegReader.getSurface());
        // Start preview.
        mSession.setRepeatingRequest(previewBuilder.build(), null, mHandler);
        // Poor man's 3A, wait 2 seconds for AE/AF (if any) to settle.
        // TODO: Do proper 3A trigger and lock (see testTakePictureTest).
        Thread.sleep(3000);
        multiBuilder.set(CaptureRequest.STATISTICS_LENS_SHADING_MAP_MODE, CaptureRequest.STATISTICS_LENS_SHADING_MAP_MODE_ON);
        CaptureRequest multiRequest = multiBuilder.build();
        mSession.capture(multiRequest, resultListener, mHandler);
        CaptureResult result = resultListener.getCaptureResultForRequest(multiRequest, NUM_RESULTS_WAIT_TIMEOUT);
        Image jpegImage = jpegListener.getImage(CAPTURE_IMAGE_TIMEOUT_MS);
        basicValidateJpegImage(jpegImage, maxStillSz);
        Image rawImage = rawListener.getImage(CAPTURE_IMAGE_TIMEOUT_MS);
        validateRaw16Image(rawImage, size);
        verifyRawCaptureResult(multiRequest, result);
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        try (DngCreator dngCreator = new DngCreator(mStaticInfo.getCharacteristics(), result)) {
            dngCreator.writeImage(outputStream, rawImage);
        }
        if (DEBUG) {
            byte[] rawBuffer = outputStream.toByteArray();
            String rawFileName = DEBUG_FILE_NAME_BASE + "/raw16_" + TAG + size.toString() + "_cam_" + mCamera.getId() + ".dng";
            Log.d(TAG, "Dump raw file into " + rawFileName);
            dumpFile(rawFileName, rawBuffer);
            byte[] jpegBuffer = getDataFromImage(jpegImage);
            String jpegFileName = DEBUG_FILE_NAME_BASE + "/jpeg_" + TAG + size.toString() + "_cam_" + mCamera.getId() + ".jpg";
            Log.d(TAG, "Dump jpeg file into " + rawFileName);
            dumpFile(jpegFileName, jpegBuffer);
        }
        stopPreview();
    } finally {
        CameraTestUtils.closeImageReader(rawReader);
        CameraTestUtils.closeImageReader(jpegReader);
        rawReader = null;
        jpegReader = null;
    }
}

Example 10 with ImageReader

use of android.media.ImageReader in project material-camera by afollestad.

the class Camera2Fragment method openCamera.

@Override
public void openCamera() {
    final int width = mTextureView.getWidth();
    final int height = mTextureView.getHeight();
    final Activity activity = getActivity();
    if (null == activity || activity.isFinishing())
        return;
    final CameraManager manager = (CameraManager) activity.getSystemService(Context.CAMERA_SERVICE);
    try {
        if (!mCameraOpenCloseLock.tryAcquire(2500, TimeUnit.MILLISECONDS)) {
            throwError(new Exception("Time out waiting to lock camera opening."));
            return;
        }
        if (mInterface.getFrontCamera() == null || mInterface.getBackCamera() == null) {
            for (String cameraId : manager.getCameraIdList()) {
                if (cameraId == null)
                    continue;
                if (mInterface.getFrontCamera() != null && mInterface.getBackCamera() != null)
                    break;
                CameraCharacteristics characteristics = manager.getCameraCharacteristics(cameraId);
                //noinspection ConstantConditions
                int facing = characteristics.get(CameraCharacteristics.LENS_FACING);
                if (facing == CameraCharacteristics.LENS_FACING_FRONT)
                    mInterface.setFrontCamera(cameraId);
                else if (facing == CameraCharacteristics.LENS_FACING_BACK)
                    mInterface.setBackCamera(cameraId);
            }
        }
        switch(mInterface.getCurrentCameraPosition()) {
            case CAMERA_POSITION_FRONT:
                setImageRes(mButtonFacing, mInterface.iconRearCamera());
                break;
            case CAMERA_POSITION_BACK:
                setImageRes(mButtonFacing, mInterface.iconFrontCamera());
                break;
            case CAMERA_POSITION_UNKNOWN:
            default:
                if (getArguments().getBoolean(CameraIntentKey.DEFAULT_TO_FRONT_FACING, false)) {
                    // Check front facing first
                    if (mInterface.getFrontCamera() != null) {
                        setImageRes(mButtonFacing, mInterface.iconRearCamera());
                        mInterface.setCameraPosition(CAMERA_POSITION_FRONT);
                    } else {
                        setImageRes(mButtonFacing, mInterface.iconFrontCamera());
                        if (mInterface.getBackCamera() != null)
                            mInterface.setCameraPosition(CAMERA_POSITION_BACK);
                        else
                            mInterface.setCameraPosition(CAMERA_POSITION_UNKNOWN);
                    }
                } else {
                    // Check back facing first
                    if (mInterface.getBackCamera() != null) {
                        setImageRes(mButtonFacing, mInterface.iconFrontCamera());
                        mInterface.setCameraPosition(CAMERA_POSITION_BACK);
                    } else {
                        setImageRes(mButtonFacing, mInterface.iconRearCamera());
                        if (mInterface.getFrontCamera() != null)
                            mInterface.setCameraPosition(CAMERA_POSITION_FRONT);
                        else
                            mInterface.setCameraPosition(CAMERA_POSITION_UNKNOWN);
                    }
                }
                break;
        }
        // Choose the sizes for camera preview and video recording
        CameraCharacteristics characteristics = manager.getCameraCharacteristics((String) mInterface.getCurrentCameraId());
        StreamConfigurationMap map = characteristics.get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        assert map != null;
        // For still image captures, we use the largest available size.
        Size largest = Collections.max(Arrays.asList(map.getOutputSizes(ImageFormat.JPEG)), new CompareSizesByArea());
        // Find out if we need to swap dimension to get the preview size relative to sensor
        // coordinate.
        int displayRotation = activity.getWindowManager().getDefaultDisplay().getRotation();
        //noinspection ConstantConditions,ResourceType
        @Degrees.DegreeUnits final int sensorOrientation = characteristics.get(CameraCharacteristics.SENSOR_ORIENTATION);
        @Degrees.DegreeUnits int deviceRotation = Degrees.getDisplayRotation(getActivity());
        mDisplayOrientation = Degrees.getDisplayOrientation(sensorOrientation, deviceRotation, getCurrentCameraPosition() == CAMERA_POSITION_FRONT);
        Log.d("Camera2Fragment", String.format("Orientations: Sensor = %d˚, Device = %d˚, Display = %d˚", sensorOrientation, deviceRotation, mDisplayOrientation));
        if (mInterface.useStillshot()) {
            boolean swappedDimensions = false;
            switch(displayRotation) {
                case Surface.ROTATION_0:
                case Surface.ROTATION_180:
                    if (sensorOrientation == Degrees.DEGREES_90 || sensorOrientation == Degrees.DEGREES_270) {
                        swappedDimensions = true;
                    }
                    break;
                case Surface.ROTATION_90:
                case Surface.ROTATION_270:
                    if (sensorOrientation == Degrees.DEGREES_0 || sensorOrientation == Degrees.DEGREES_180) {
                        swappedDimensions = true;
                    }
                    break;
                default:
                    Log.e("stillshot", "Display rotation is invalid: " + displayRotation);
            }
            Point displaySize = new Point();
            activity.getWindowManager().getDefaultDisplay().getSize(displaySize);
            int rotatedPreviewWidth = width;
            int rotatedPreviewHeight = height;
            int maxPreviewWidth = displaySize.x;
            int maxPreviewHeight = displaySize.y;
            if (swappedDimensions) {
                rotatedPreviewWidth = height;
                rotatedPreviewHeight = width;
                maxPreviewWidth = displaySize.y;
                maxPreviewHeight = displaySize.x;
            }
            if (maxPreviewWidth > MAX_PREVIEW_WIDTH) {
                maxPreviewWidth = MAX_PREVIEW_WIDTH;
            }
            if (maxPreviewHeight > MAX_PREVIEW_HEIGHT) {
                maxPreviewHeight = MAX_PREVIEW_HEIGHT;
            }
            // Danger, W.R.! Attempting to use too large a preview size could  exceed the camera
            // bus' bandwidth limitation, resulting in gorgeous previews but the storage of
            // garbage capture data.
            mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), rotatedPreviewWidth, rotatedPreviewHeight, maxPreviewWidth, maxPreviewHeight, largest);
            mImageReader = ImageReader.newInstance(largest.getWidth(), largest.getHeight(), ImageFormat.JPEG, 2);
            mImageReader.setOnImageAvailableListener(new ImageReader.OnImageAvailableListener() {

                @Override
                public void onImageAvailable(ImageReader reader) {
                    Image image = reader.acquireNextImage();
                    ByteBuffer buffer = image.getPlanes()[0].getBuffer();
                    final byte[] bytes = new byte[buffer.remaining()];
                    buffer.get(bytes);
                    final File outputPic = getOutputPictureFile();
                    FileOutputStream output = null;
                    try {
                        output = new FileOutputStream(outputPic);
                        output.write(bytes);
                    } catch (IOException e) {
                        e.printStackTrace();
                    } finally {
                        image.close();
                        if (null != output) {
                            try {
                                output.close();
                            } catch (IOException e) {
                                e.printStackTrace();
                            }
                        }
                    }
                    Log.d("stillshot", "picture saved to disk - jpeg, size: " + bytes.length);
                    mOutputUri = Uri.fromFile(outputPic).toString();
                    mInterface.onShowStillshot(mOutputUri);
                }
            }, mBackgroundHandler);
        } else {
            mMediaRecorder = new MediaRecorder();
            mVideoSize = chooseVideoSize((BaseCaptureInterface) activity, map.getOutputSizes(MediaRecorder.class));
            mPreviewSize = chooseOptimalSize(map.getOutputSizes(SurfaceTexture.class), width, height, mVideoSize);
        }
        int orientation = VideoStreamView.getScreenOrientation(activity);
        if (orientation == ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE || orientation == ActivityInfo.SCREEN_ORIENTATION_REVERSE_LANDSCAPE) {
            mTextureView.setAspectRatio(mPreviewSize.getWidth(), mPreviewSize.getHeight());
        } else {
            mTextureView.setAspectRatio(mPreviewSize.getHeight(), mPreviewSize.getWidth());
        }
        mAfAvailable = false;
        int[] afModes = characteristics.get(CameraCharacteristics.CONTROL_AF_AVAILABLE_MODES);
        if (afModes != null) {
            for (int i : afModes) {
                if (i != 0) {
                    mAfAvailable = true;
                    break;
                }
            }
        }
        configureTransform(width, height);
        mInterface.setFlashModes(CameraUtil.getSupportedFlashModes(getActivity(), characteristics));
        onFlashModesLoaded();
        // noinspection ResourceType
        manager.openCamera((String) mInterface.getCurrentCameraId(), mStateCallback, null);
    } catch (CameraAccessException e) {
        throwError(new Exception("Cannot access the camera.", e));
    } catch (NullPointerException e) {
        // Currently an NPE is thrown when the Camera2API is used but not supported on the
        // device this code runs.
        new ErrorDialog().show(getFragmentManager(), "dialog");
    } catch (InterruptedException e) {
        throwError(new Exception("Interrupted while trying to lock camera opening.", e));
    }
}