Example usage for android.media Image getPlanes

Introduction

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

Prototype

public abstract Plane[] getPlanes();

Source Link

Document

Get the array of pixel planes for this Image.

Usage

From source file:Main.java

private static boolean checkAndroidImageFormat(Image image) {
    int format = image.getFormat();
    Plane[] planes = image.getPlanes();
    switch (format) {
    case ImageFormat.YUV_420_888:
    case ImageFormat.NV21:
    case ImageFormat.YV12:
        return 3 == planes.length;
    case ImageFormat.RAW_SENSOR:
    case ImageFormat.RAW10:
    case ImageFormat.JPEG:
        return 1 == planes.length;
    default://  ww  w.j  a va2s . co m
        return false;
    }
}

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From source file:Main.java

private static boolean checkAndroidImageFormat(Image image) {
    int format = image.getFormat();
    Plane[] planes = image.getPlanes();
    switch (format) {
    case ImageFormat.YUV_420_888:
    case ImageFormat.NV21:
    case ImageFormat.YV12:
        return 3 == planes.length;
    case ImageFormat.RAW_SENSOR:
    case ImageFormat.RAW10:
    case ImageFormat.RAW12:
    case ImageFormat.JPEG:
        return 1 == planes.length;
    default:/*from w ww .j a  v a 2s .com*/
        return false;
    }
}

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From source file:com.android.camera2.its.ItsUtils.java

public static byte[] getDataFromImage(Image image) throws ItsException {
    int format = image.getFormat();
    int width = image.getWidth();
    int height = image.getHeight();
    byte[] data = null;

    // Read image data
    Plane[] planes = image.getPlanes();

    // Check image validity
    if (!checkAndroidImageFormat(image)) {
        throw new ItsException("Invalid image format passed to getDataFromImage: " + image.getFormat());
    }/*w w w .j  ava2  s.  c o  m*/

    if (format == ImageFormat.JPEG) {
        // JPEG doesn't have pixelstride and rowstride, treat it as 1D buffer.
        ByteBuffer buffer = planes[0].getBuffer();
        data = new byte[buffer.capacity()];
        buffer.get(data);
        return data;
    } else if (format == ImageFormat.YUV_420_888 || format == ImageFormat.RAW_SENSOR
            || format == ImageFormat.RAW10) {
        int offset = 0;
        data = new byte[width * height * ImageFormat.getBitsPerPixel(format) / 8];
        byte[] rowData = new byte[planes[0].getRowStride()];
        for (int i = 0; i < planes.length; i++) {
            ByteBuffer buffer = planes[i].getBuffer();
            int rowStride = planes[i].getRowStride();
            int pixelStride = planes[i].getPixelStride();
            int bytesPerPixel = ImageFormat.getBitsPerPixel(format) / 8;
            Logt.i(TAG, String.format("Reading image: fmt %d, plane %d, w %d, h %d, rowStride %d, pixStride %d",
                    format, i, width, height, rowStride, pixelStride));
            // For multi-planar yuv images, assuming yuv420 with 2x2 chroma subsampling.
            int w = (i == 0) ? width : width / 2;
            int h = (i == 0) ? height : height / 2;
            for (int row = 0; row < h; row++) {
                if (pixelStride == bytesPerPixel) {
                    // Special case: optimized read of the entire row
                    int length = w * bytesPerPixel;
                    buffer.get(data, offset, length);
                    // Advance buffer the remainder of the row stride
                    buffer.position(buffer.position() + rowStride - length);
                    offset += length;
                } else {
                    // Generic case: should work for any pixelStride but slower.
                    // Use intermediate buffer to avoid read byte-by-byte from
                    // DirectByteBuffer, which is very bad for performance.
                    // Also need avoid access out of bound by only reading the available
                    // bytes in the bytebuffer.
                    int readSize = rowStride;
                    if (buffer.remaining() < readSize) {
                        readSize = buffer.remaining();
                    }
                    buffer.get(rowData, 0, readSize);
                    if (pixelStride >= 1) {
                        for (int col = 0; col < w; col++) {
                            data[offset++] = rowData[col * pixelStride];
                        }
                    } else {
                        // PixelStride of 0 can mean pixel isn't a multiple of 8 bits, for
                        // example with RAW10. Just copy the buffer, dropping any padding at
                        // the end of the row.
                        int length = (w * ImageFormat.getBitsPerPixel(format)) / 8;
                        System.arraycopy(rowData, 0, data, offset, length);
                        offset += length;
                    }
                }
            }
        }
        Logt.i(TAG, String.format("Done reading image, format %d", format));
        return data;
    } else {
        throw new ItsException("Unsupported image format: " + format);
    }
}

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From source file:MainActivity.java

protected void takePicture(View view) {
    if (null == mCameraDevice) {
        return;// w  ww  .j  a v a 2s.  c  o  m
    }
    CameraManager manager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);
    try {
        CameraCharacteristics characteristics = manager.getCameraCharacteristics(mCameraDevice.getId());
        StreamConfigurationMap configurationMap = characteristics
                .get(CameraCharacteristics.SCALER_STREAM_CONFIGURATION_MAP);
        if (configurationMap == null)
            return;
        Size largest = Collections.max(Arrays.asList(configurationMap.getOutputSizes(ImageFormat.JPEG)),
                new CompareSizesByArea());
        ImageReader reader = ImageReader.newInstance(largest.getWidth(), largest.getHeight(), ImageFormat.JPEG,
                1);
        List<Surface> outputSurfaces = new ArrayList<Surface>(2);
        outputSurfaces.add(reader.getSurface());
        outputSurfaces.add(new Surface(mTextureView.getSurfaceTexture()));
        final CaptureRequest.Builder captureBuilder = mCameraDevice
                .createCaptureRequest(CameraDevice.TEMPLATE_STILL_CAPTURE);
        captureBuilder.addTarget(reader.getSurface());
        captureBuilder.set(CaptureRequest.CONTROL_MODE, CameraMetadata.CONTROL_MODE_AUTO);
        ImageReader.OnImageAvailableListener readerListener = new ImageReader.OnImageAvailableListener() {
            @Override
            public void onImageAvailable(ImageReader reader) {
                Image image = null;
                try {
                    image = reader.acquireLatestImage();
                    ByteBuffer buffer = image.getPlanes()[0].getBuffer();
                    byte[] bytes = new byte[buffer.capacity()];
                    buffer.get(bytes);
                    OutputStream output = new FileOutputStream(getPictureFile());
                    output.write(bytes);
                    output.close();
                } catch (FileNotFoundException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                } finally {
                    if (image != null) {
                        image.close();
                    }
                }
            }
        };
        HandlerThread thread = new HandlerThread("CameraPicture");
        thread.start();
        final Handler backgroudHandler = new Handler(thread.getLooper());
        reader.setOnImageAvailableListener(readerListener, backgroudHandler);
        final CameraCaptureSession.CaptureCallback captureCallback = new CameraCaptureSession.CaptureCallback() {
            @Override
            public void onCaptureCompleted(CameraCaptureSession session, CaptureRequest request,
                    TotalCaptureResult result) {
                super.onCaptureCompleted(session, request, result);
                Toast.makeText(MainActivity.this, "Picture Saved", Toast.LENGTH_SHORT).show();
                startPreview(session);
            }
        };
        mCameraDevice.createCaptureSession(outputSurfaces, new CameraCaptureSession.StateCallback() {
            @Override
            public void onConfigured(CameraCaptureSession session) {
                try {
                    session.capture(captureBuilder.build(), captureCallback, backgroudHandler);
                } catch (CameraAccessException e) {
                    e.printStackTrace();
                }
            }

            @Override
            public void onConfigureFailed(CameraCaptureSession session) {
            }
        }, backgroudHandler);
    } catch (CameraAccessException e) {
        e.printStackTrace();
    }
}

---

From source file:com.sien.cpshoot.screencapture.ScreenCaptureFragment.java

private void saveImage(ImageReader mImageReader, int mWidth, int mHeight) {
    if (mImageReader == null)
        return;//  w w  w .j  av  a2 s  . c om

    Image image = mImageReader.acquireLatestImage();
    if (image == null)
        return;
    final Image.Plane[] planes = image.getPlanes();
    if (planes.length <= 0)
        return;

    final ByteBuffer buffer = planes[0].getBuffer();
    int offset = 0;
    int pixelStride = planes[0].getPixelStride();
    int rowStride = planes[0].getRowStride();
    int rowPadding = rowStride - pixelStride * mWidth;
    Bitmap bitmap = Bitmap.createBitmap(mWidth + rowPadding / pixelStride, mHeight, Bitmap.Config.RGB_565);
    bitmap.copyPixelsFromBuffer(buffer);
    image.close();

    SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy_MM_dd_hh_mm_ss");
    String strDate = dateFormat.format(new java.util.Date());
    String pathImage = Environment.getExternalStorageDirectory().getPath() + "/Pictures/";
    String nameImage = pathImage + strDate + ".png";
    if (bitmap != null) {
        try {
            File fileImage = new File(nameImage);
            if (!fileImage.exists()) {
                fileImage.createNewFile();
            }
            FileOutputStream out = new FileOutputStream(fileImage);
            if (out != null) {
                bitmap.compress(Bitmap.CompressFormat.PNG, 100, out);
                out.flush();
                out.close();
                Toast.makeText(getActivity(), "get phone's screen succeed", Toast.LENGTH_SHORT).show();
                Intent media = new Intent(Intent.ACTION_MEDIA_SCANNER_SCAN_FILE);
                Uri contentUri = Uri.fromFile(fileImage);
                media.setData(contentUri);
                getActivity().sendBroadcast(media);

                //
                beginCrop(Uri.fromFile(new File(nameImage)));
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

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From source file:com.team254.cheezdroid.SelfieModeFragment.java

/**
 * This a callback object for the {@link ImageReader}. "onImageAvailable" will be called when a
 * still image is ready to be saved./*from  w w  w  .java2 s  .com*/
 */

private byte[] convertYUV420ToN21(Image imgYUV420) {
    byte[] rez = new byte[0];

    ByteBuffer buffer0 = imgYUV420.getPlanes()[0].getBuffer();
    ByteBuffer buffer2 = imgYUV420.getPlanes()[2].getBuffer();
    int buffer0_size = buffer0.remaining();
    int buffer2_size = buffer2.remaining();
    rez = new byte[buffer0_size + buffer2_size];

    buffer0.get(rez, 0, buffer0_size);
    buffer2.get(rez, buffer0_size, buffer2_size);

    return rez;
}

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From source file:freed.cam.apis.camera2.modules.PictureModuleApi2.java

@NonNull
private void process_jpeg(Image image, File file) {

    Log.d(TAG, "Create JPEG");
    ByteBuffer buffer = image.getPlanes()[0].getBuffer();
    byte[] bytes = new byte[buffer.remaining()];
    buffer.get(bytes);// w w w  .j a  va 2  s .  c  o m
    saveJpeg(file, bytes);
    image.close();
    buffer.clear();
    image = null;

}

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From source file:com.obviousengine.android.focus.ZslFocusCamera.java

/**
 * Given an image reader, extracts the JPEG image bytes and then closes the
 * reader./*  w  w w.  j av a2s . co m*/
 *
 * @param img the image from which to extract jpeg bytes or compress to
 *            jpeg.
 * @return The bytes of the JPEG image. Newly allocated.
 */
private byte[] acquireJpegBytes(Image img) {
    ByteBuffer buffer;

    if (img.getFormat() == ImageFormat.JPEG) {
        Image.Plane plane0 = img.getPlanes()[0];
        buffer = plane0.getBuffer();

        byte[] imageBytes = new byte[buffer.remaining()];
        buffer.get(imageBytes);
        buffer.rewind();
        return imageBytes;
    } else {
        throw new RuntimeException("Unsupported image format.");
    }
}

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From source file:com.android.camera.one.v2.OneCameraZslImpl.java

/**
 * Given an image reader, extracts the JPEG image bytes and then closes the
 * reader./*from  w  ww  .  ja  va2  s .  c o  m*/
 *
 * @param img the image from which to extract jpeg bytes or compress to
 *            jpeg.
 * @param degrees the angle to rotate the image clockwise, in degrees. Rotation is
 *            only applied to YUV images.
 * @return The bytes of the JPEG image. Newly allocated.
 */
private byte[] acquireJpegBytes(Image img, int degrees) {
    ByteBuffer buffer;

    if (img.getFormat() == ImageFormat.JPEG) {
        Image.Plane plane0 = img.getPlanes()[0];
        buffer = plane0.getBuffer();

        byte[] imageBytes = new byte[buffer.remaining()];
        buffer.get(imageBytes);
        buffer.rewind();
        return imageBytes;
    } else if (img.getFormat() == ImageFormat.YUV_420_888) {
        buffer = mJpegByteBufferPool.acquire();
        if (buffer == null) {
            buffer = ByteBuffer.allocateDirect(img.getWidth() * img.getHeight() * 3);
        }

        int numBytes = JpegUtilNative.compressJpegFromYUV420Image(new AndroidImageProxy(img), buffer,
                JPEG_QUALITY, degrees);

        if (numBytes < 0) {
            throw new RuntimeException("Error compressing jpeg.");
        }

        buffer.limit(numBytes);

        byte[] imageBytes = new byte[buffer.remaining()];
        buffer.get(imageBytes);

        buffer.clear();
        mJpegByteBufferPool.release(buffer);

        return imageBytes;
    } else {
        throw new RuntimeException("Unsupported image format.");
    }
}

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From source file:org.tensorflow.demo.Camera2BasicFragment.java

private void ocrImage(Image image) {
    Log.d("predict_class", "ocrImage");

    ByteBuffer buffer = image.getPlanes()[0].getBuffer();
    byte[] bytes = new byte[buffer.remaining()];
    buffer.get(bytes);//from ww  w  .j av a 2 s. com

    ocrBitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.length);
    //Log.d("predict_class", ocrBitmap.toString());
    /* FileOutputStream output = null;
     try {
    output = new FileOutputStream(mFile);
    output.write(bytes);
     } catch (IOException e) {
    e.printStackTrace();
     } finally {
    image.close();
    if (null != output) {
        try {
            output.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
     }*/

    runInBackground(new Runnable() {
        @Override
        public void run() {
            Log.d("predict_class", "run...");
            TessBaseAPI tessBaseAPI = new TessBaseAPI();
            tessBaseAPI.init("/mnt/sdcard/", "eng", 0);
            tessBaseAPI.setImage(ocrBitmap);
            ImageUtils.saveBitmap(ocrBitmap);
            String recognisedText = tessBaseAPI.getUTF8Text();

            Log.d("predict_class", "recognisedText: " + recognisedText);
        }
    });

    Log.d("predict_class", "Saved image");
    image.close();
}

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