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  3. android.media.Image

Java 类android.media.Image 实例源码

项目：FamilyBond    文件：ImageUtil.java    
private static byte[] YUV_420_888toNV21(Image image) {
    byte[] nv21;
    ByteBuffer yBuffer = image.getPlanes()[0].getBuffer();
    ByteBuffer uBuffer = image.getPlanes()[1].getBuffer();
    ByteBuffer vBuffer = image.getPlanes()[2].getBuffer();

    int ySize = yBuffer.remaining();
    int uSize = uBuffer.remaining();
    int vSize = vBuffer.remaining();

    nv21 = new byte[ySize + uSize + vSize];

    //U and V are swapped
    yBuffer.get(nv21, 0, ySize);
    vBuffer.get(nv21, ySize, vSize);
    uBuffer.get(nv21, ySize + vSize, uSize);

    return nv21;
}
项目：ScreenRecordCaptureMaster    文件：CaptureScreenImage.java    
/**
 * 图像可用时截屏
 *
 * @param reader
 * @param path
 *@param callback @return
 */
private void imageAvailable(ImageReader reader, String path, IRecordShotCallback callback) {
    mImageReaderLock.lock();
    try{
        Image image = reader.acquireLatestImage();

        if(image == null) return;
        int width = image.getWidth();
        int height = image.getHeight();
        final Image.Plane[] planes = image.getPlanes();
        final ByteBuffer buffer = planes[0].getBuffer();
        int pixelStride = planes[0].getPixelStride();
        int rowStride = planes[0].getRowStride();
        int rowPadding = rowStride - pixelStride * width;
        Bitmap bitmap = Bitmap.createBitmap(width + rowPadding / pixelStride, height, Bitmap.Config.ARGB_8888);
        bitmap.copyPixelsFromBuffer(buffer);
        bitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height);
        image.close();
        //需要在这里释放图片否则会截取很多图片
        release();

        saveBitmap(path, bitmap, callback);
    }finally {
        mImageReaderLock.unlock();
    }
}
项目：SIGHT-For-the-Blind    文件：ImagePreprocessor.java    
public Bitmap preprocessImage(final Image image) {
    if (image == null) {
        return null;
    }

    Assert.assertEquals("Invalid size width", rgbFrameBitmap.getWidth(), image.getWidth());
    Assert.assertEquals("Invalid size height", rgbFrameBitmap.getHeight(), image.getHeight());

    if (croppedBitmap != null && rgbFrameBitmap != null) {
        ByteBuffer bb = image.getPlanes()[0].getBuffer();
        rgbFrameBitmap = BitmapFactory.decodeStream(new ByteBufferBackedInputStream(bb));
        Helper.cropAndRescaleBitmap(rgbFrameBitmap, croppedBitmap, 0);
    }

    image.close();

    // For debugging
    if (SAVE_PREVIEW_BITMAP) {
        Helper.saveBitmap(croppedBitmap);
    }
    return croppedBitmap;
}
项目：Camera_Calibration_Android    文件：Camera2BasicFragment.java    
@Override
        public void onImageAvailable(ImageReader reader) {
//            mBackgroundHandler.post(new ImageSaver(reader.acquireNextImage(), mFile, mImages));
            Image image = null;
            try {
                image = reader.acquireLatestImage();
                ByteBuffer buffer = image.getPlanes()[0].getBuffer();
                byte[] bytes = new byte[buffer.capacity()];
                buffer.get(bytes);
                mImages.add(ByteString.copyFrom(bytes));
                showToast(String.valueOf(mImages.size()) + "/" + String.valueOf(mTotal), Toast.LENGTH_LONG);
                if(mImages.size() >= mTotal) {
                    showToast(String.valueOf("Calibrating..."), Toast.LENGTH_LONG);
                    final Activity activity = getActivity();
                    if (activity != null) {
                        activity.runOnUiThread(new GrpcPostImageRunnable());
                    }
                }

            } finally {
                if (image != null) {
                    image.close();
                }
            }
        }
项目：Cam2Caption    文件：Camera2BasicFragment.java    
@Override
public void onImageAvailable(ImageReader reader) {
    Image image = null;
    try {
        image = reader.acquireLatestImage();
        ByteBuffer buffer = image.getPlanes()[0].getBuffer();
        byte[] imageBytes = new byte[buffer.remaining()];
        buffer.get(imageBytes);
        Bitmap bitmap = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);
        final String text = runModel(bitmap);
        getActivity().runOnUiThread(new Runnable() {
            @Override
            public void run() {
                textView.setText(text);

            }
        });
    } finally {
        if (image != null) {
            image.close();
        }
    }
}
项目：androidthings-imageclassifier    文件：ImagePreprocessor.java    
public Bitmap preprocessImage(final Image image) {
    if (image == null) {
        return null;
    }

    Assert.assertEquals("Invalid size width", rgbFrameBitmap.getWidth(), image.getWidth());
    Assert.assertEquals("Invalid size height", rgbFrameBitmap.getHeight(), image.getHeight());

    if (croppedBitmap != null && rgbFrameBitmap != null) {
        ByteBuffer bb = image.getPlanes()[0].getBuffer();
        rgbFrameBitmap = BitmapFactory.decodeStream(new ByteBufferBackedInputStream(bb));
        Helper.cropAndRescaleBitmap(rgbFrameBitmap, croppedBitmap, 0);
   }

    image.close();

    // For debugging
    if (SAVE_PREVIEW_BITMAP) {
        Helper.saveBitmap(croppedBitmap);
    }
    return croppedBitmap;
}
项目：androidthings-imageclassifier    文件：ImagePreprocessor.java    
public Bitmap preprocessImage(final Image image) {
    if (image == null) {
        return null;
    }

    Assert.assertEquals("Invalid size width", rgbFrameBitmap.getWidth(), image.getWidth());
    Assert.assertEquals("Invalid size height", rgbFrameBitmap.getHeight(), image.getHeight());

    if (croppedBitmap != null && rgbFrameBitmap != null) {
        ByteBuffer bb = image.getPlanes()[0].getBuffer();
        rgbFrameBitmap = BitmapFactory.decodeStream(new ByteBufferBackedInputStream(bb));
        Helper.cropAndRescaleBitmap(rgbFrameBitmap, croppedBitmap, 0);
   }

    image.close();

    // For debugging
    if (SAVE_PREVIEW_BITMAP) {
        Helper.saveBitmap(croppedBitmap);
    }
    return croppedBitmap;
}
项目：androidthings-imageclassifier    文件：ImagePreprocessor.java    
public Bitmap preprocessImage(final Image image) {
    if (image == null) {
        return null;
    }

    Assert.assertEquals("Invalid size width", rgbFrameBitmap.getWidth(), image.getWidth());
    Assert.assertEquals("Invalid size height", rgbFrameBitmap.getHeight(), image.getHeight());

    if (croppedBitmap != null && rgbFrameBitmap != null) {
        ByteBuffer bb = image.getPlanes()[0].getBuffer();
        rgbFrameBitmap = BitmapFactory.decodeStream(new ByteBufferBackedInputStream(bb));
        Helper.cropAndRescaleBitmap(rgbFrameBitmap, croppedBitmap, 0);
   }

    image.close();

    // For debugging
    if (SAVE_PREVIEW_BITMAP) {
        Helper.saveBitmap(croppedBitmap);
    }
    return croppedBitmap;
}
项目：pc-android-controller-android    文件：ScreenCaptureSocket.java    
/**
 * 开始截图. 获取 image 面板上的图片.
 */
private void startCapture() {
    Image image = null;
    try {
        try {
            finalize();
        } catch (Throwable throwable) {
            throwable.printStackTrace();
        }
        image = mImageReader.acquireLatestImage();
    } catch (Exception e) {
        e.printStackTrace();
    }

    if (image == null) {
        L.e(" 获取 image 为空 结束..");
        return;
    } else {
        SaveTask mSaveTask = new SaveTask();
        AsyncTaskCompat.executeParallel(mSaveTask, image);
    }
}
项目：sample-tensorflow-imageclassifier    文件：ImagePreprocessor.java    
public Bitmap preprocessImage(final Image image) {
    if (image == null) {
        return null;
    }

    Assert.assertEquals("Invalid size width", rgbFrameBitmap.getWidth(), image.getWidth());
    Assert.assertEquals("Invalid size height", rgbFrameBitmap.getHeight(), image.getHeight());

    if (croppedBitmap != null && rgbFrameBitmap != null) {
        ByteBuffer bb = image.getPlanes()[0].getBuffer();
        rgbFrameBitmap = BitmapFactory.decodeStream(new ByteBufferBackedInputStream(bb));
        Helper.cropAndRescaleBitmap(rgbFrameBitmap, croppedBitmap, 0);
    }

    image.close();

    // For debugging
    if (SAVE_PREVIEW_BITMAP) {
        Helper.saveBitmap(croppedBitmap);
    }
    return croppedBitmap;
}
项目：BWS-Android    文件：IntensityPlane.java    
/**
 * Extracts the Y-Plane from the YUV_420_8888 image to creates a IntensityPlane.
 * The actual plane data will be copied into the new IntensityPlane object.
 *
 * @throws IllegalArgumentException if the provided images is not in the YUV_420_888 format
 */
@NonNull
public static IntensityPlane extract(@NonNull Image img) {
    if (img.getFormat() != ImageFormat.YUV_420_888) {
        throw new IllegalArgumentException("image format must be YUV_420_888");
    }

    Image.Plane[] planes = img.getPlanes();

    ByteBuffer buffer = planes[0].getBuffer();
    byte[] yPlane = new byte[buffer.remaining()];
    buffer.get(yPlane);

    int yRowStride = planes[0].getRowStride();

    return new IntensityPlane(img.getWidth(), img.getHeight(), yPlane, yRowStride);
}
项目：BWS-Android    文件：FacialRecognitionFragment.java    
/**
 * lazily initialize ImageReader and select preview size
 */
private void setupPreviewSizeAndImageReader() {
    if (previewSize == null) {
        previewSize = cameraHelper.selectPreviewSize(openCamera);
    }

    if (imageReader == null) {
        int maxImages = 2;  // should be at least 2 according to ImageReader.acquireLatestImage() documentation
        imageReader = ImageReader.newInstance(previewSize.getWidth(), previewSize.getHeight(), ImageFormat.YUV_420_888, maxImages);
        imageReader.setOnImageAvailableListener(new ImageReader.OnImageAvailableListener() {
            @Override
            public void onImageAvailable(ImageReader reader) {
                Image img = reader.acquireLatestImage();
                if (img != null) {

                    // Make a in memory copy of the image to close the image from the reader as soon as possible.
                    // This helps the thread running the preview staying up to date.
                    IntensityPlane imgCopy = IntensityPlane.extract(img);
                    img.close();

                    int imageRotation = cameraHelper.getImageRotation(openCamera, getRelativeDisplayRotation());

                    presenter.onImageCaptured(imgCopy, imageRotation);
                }
            }
        }, null);
    }
}
项目：Paper-Melody    文件：CameraDebugActivity.java    
public void processImage(Image image) {
    /**
     * Process image here
     * Called on every frame of video
     */
    if (!Tap.readyForNextFrame()) {
        return;
    }
    Mat mat = ImageUtil.imageToBgr(image);

    long frameTime = System.currentTimeMillis();

    long t1 = System.currentTimeMillis();
    List<Point> notUsedWhenDebug = Tap.getAll(mat,
            canvasCameraDebug.getHandContours(), canvasCameraDebug.getFingerTips());
    long t2 = System.currentTimeMillis();

    CanvasUtil.setScreenHeight(ViewUtil.getScreenHeight(this));
    canvasCameraDebug.updateInfo(
            t2 - t1, frameTime - lastFrameTime, Tap.getProcessInterval()
    );
    lastFrameTime = frameTime;
}
项目：Paper-Melody    文件：ImageUtil.java    
public static Mat yuvToBgr(Image image, Mat yuvMat) {
    Mat bgrMat = new Mat(image.getHeight(), image.getWidth(), CvType.CV_8UC4);
    //Log.d("TESTCALL", bgrMat.rows() + " " + bgrMat.cols());
    Imgproc.cvtColor(yuvMat, bgrMat, Imgproc.COLOR_YUV2BGR_I420);
    //Log.d("TESTCALL", yuvMat.rows() + " " + yuvMat.cols());
    return bgrMat;
}
项目：android-things-drawbot    文件：ImagePreprocessor.java    
public Bitmap preprocessImage(final Image image) {
    if (image == null) {
        return null;
    }

    Assert.assertEquals("Invalid size width", rgbFrameBitmap.getWidth(), image.getWidth());
    Assert.assertEquals("Invalid size height", rgbFrameBitmap.getHeight(), image.getHeight());

    if (croppedBitmap != null && rgbFrameBitmap != null) {
        ByteBuffer bb = image.getPlanes()[0].getBuffer();
        rgbFrameBitmap = BitmapFactory.decodeStream(new ByteBufferBackedInputStream(bb));
        Helper.cropAndRescaleBitmap(rgbFrameBitmap, croppedBitmap, 0);
    }

    image.close();

    // For debugging
    if (SAVE_PREVIEW_BITMAP) {
        Helper.saveBitmap(mContext, croppedBitmap);
    }
    return croppedBitmap;
}
项目：doorbell    文件：DoorbellActivity.java    
@Override
public void onImageAvailable(ImageReader reader) {
    Image image = reader.acquireLatestImage();
    // get image bytes
    ByteBuffer imageBuf = image.getPlanes()[0].getBuffer();
    final byte[] imageBytes = new byte[imageBuf.remaining()];
    imageBuf.get(imageBytes);
    image.close();

    onPictureTaken(imageBytes);
}
项目：CameraCompat    文件：DirectChain.java    
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void sendNormalImage(Image image) {
    if (mIsFrontCamera && mEnableMirror) {
        if (mRotation == Rotation.ROTATION_90) {
            RgbYuvConverter.image2yuvCropFlip(image, mVideoHeight, mGLYuvBuffer.array());
        } else {
            RgbYuvConverter.image2yuvCropRotateC180Flip(image, mVideoHeight,
                    mGLYuvBuffer.array());
        }
    } else {
        if (mRotation == Rotation.ROTATION_90) {
            RgbYuvConverter.image2yuvCropRotateC180(image, mVideoHeight, mGLYuvBuffer.array());
        } else {
            RgbYuvConverter.image2yuvCrop(image, mVideoHeight, mGLYuvBuffer.array());
        }
    }
    mVideoCaptureCallback.onFrameData(mGLYuvBuffer.array(), image.getWidth(), mVideoHeight);
}
项目：CameraCompat    文件：GPUImageChain.java    
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@Override
public void onFrameData(final Image image, final Runnable postProcessedTask) {
    final int width = image.getWidth();
    final int height = image.getHeight();
    if (mGLRgbaBuffer == null) {
        mGLRgbaBuffer = ByteBuffer.allocateDirect(width * height * 4);
    }
    if (mGLYuvBuffer == null) {
        // 16 bytes alignment
        int bufHeight = (width * mGLRender.getFrameWidth() / mGLRender.getFrameHeight())
                        & 0xfffffff0;
        mGLYuvBuffer = ByteBuffer.allocateDirect(width * bufHeight * 3 / 2);
    }
    if (!mGLRender.isBusyDrawing()) {
        RgbYuvConverter.image2rgba(image, mGLRgbaBuffer.array());
        mGLRender.scheduleDrawFrame(mGLRgbaBuffer, width, height, () -> {
            if (!mGLRender.isEnableFilter() && !mGLRender.isPaused()) {
                sendNormalImage(image);
            }
            postProcessedTask.run();
        });
    } else {
        postProcessedTask.run();
    }
}
项目：CameraCompat    文件：GPUImageChain.java    
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
private void sendNormalImage(Image image) {
    if (mIsFrontCamera && mEnableMirror) {
        if (mGLRender.getRotation() == Rotation.ROTATION_90) {
            RgbYuvConverter.image2yuvCropFlip(image, mGLRender.getVideoHeight(),
                    mGLYuvBuffer.array());
        } else {
            RgbYuvConverter.image2yuvCropRotateC180Flip(image, mGLRender.getVideoHeight(),
                    mGLYuvBuffer.array());
        }
    } else {
        if (mGLRender.getRotation() == Rotation.ROTATION_90) {
            RgbYuvConverter.image2yuvCropRotateC180(image, mGLRender.getVideoHeight(),
                    mGLYuvBuffer.array());
        } else {
            RgbYuvConverter.image2yuvCrop(image, mGLRender.getVideoHeight(),
                    mGLYuvBuffer.array());
        }
    }
    mVideoCaptureCallback.onFrameData(mGLYuvBuffer.array(), image.getWidth(),
            mGLRender.getVideoHeight());
}
项目：CameraView    文件：PictureSession.java    
private static byte[] toByteArray(Image image) {
    byte[] data = null;
    if (image.getFormat() == ImageFormat.JPEG) {
        Image.Plane[] planes = image.getPlanes();
        ByteBuffer buffer = planes[0].getBuffer();
        data = new byte[buffer.capacity()];
        buffer.get(data);
        return data;
    } else if (image.getFormat() == ImageFormat.YUV_420_888) {
        data = NV21toJPEG(
                YUV_420_888toNV21(image),
                image.getWidth(), image.getHeight());
    } else {
        Log.w(TAG, "Unrecognized image format: " + image.getFormat());
    }
    return data;
}
项目：AndroidSnippets    文件：CameraApi2ExampleActivity.java    
@Override
public void onImageAvailable(ImageReader reader) {
    Image image = reader.acquireLatestImage();
    try {
        if (image.getFormat() == ImageFormat.JPEG) {
            ByteBuffer buffer = image.getPlanes()[0].getBuffer();
            byte[] data = new byte[buffer.remaining()];
            buffer.get(data);
            Bitmap bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);

            WindowManager windowManager = (WindowManager) getSystemService(Context.WINDOW_SERVICE);
            int rotation = windowManager.getDefaultDisplay().getRotation();
            Bitmap rotated = ImageUtils.rotateBitmap(bitmap, rotation, mCamera2Engine.getSensorOrientation());
            mImageView.setImageBitmap(rotated);
        }
    } finally {
        image.close();
    }
}
项目：SimpleSmsRemote    文件：ImageUtils.java    
/**
 * Retrieve Bitmap with specific format from ImageReader.
 *
 * @param imageReader the image reader
 * @return bitmap
 */
@RequiresApi(api = Build.VERSION_CODES.KITKAT)
public static Bitmap GetBitmapFromImageReader(ImageReader imageReader) {
    Bitmap bitmap;

    //get image buffer
    Image image = imageReader.acquireLatestImage();
    final Image.Plane[] planes = image.getPlanes();
    final ByteBuffer buffer = planes[0].getBuffer();

    int pixelStride = planes[0].getPixelStride();
    int rowStride = planes[0].getRowStride();
    int rowPadding = rowStride - pixelStride * image.getWidth();
    // create bitmap
    bitmap = Bitmap.createBitmap(image.getWidth() + rowPadding / pixelStride, image.getHeight(), Bitmap.Config.ARGB_8888);
    bitmap.copyPixelsFromBuffer(buffer);
    image.close();
    return bitmap;
}
项目：DeviceConnect-Android    文件：HostDeviceScreenCast.java    
private Bitmap decodeToBitmap(final Image img) {
    Image.Plane[] planes = img.getPlanes();
    if (planes[0].getBuffer() == null) {
        return null;
    }

    int width = img.getWidth();
    int height = img.getHeight();

    int pixelStride = planes[0].getPixelStride();
    int rowStride = planes[0].getRowStride();
    int rowPadding = rowStride - pixelStride * width;

    Bitmap bitmap = Bitmap.createBitmap(
            width + rowPadding / pixelStride, height,
            Bitmap.Config.ARGB_8888);
    bitmap.copyPixelsFromBuffer(planes[0].getBuffer());
    img.close();

    return Bitmap.createBitmap(bitmap, 0, 0, width, height, null, true);
}
项目：Camera2    文件：OneCameraZslImpl.java    
@Override
public void onImageCaptured(Image image, TotalCaptureResult
        captureResult) {
    long timestamp = captureResult.get(CaptureResult.SENSOR_TIMESTAMP);

    // We should only capture the image if it's more recent than the
    // latest one. Synchronization is necessary since this method is
    // called on {@link #mImageSaverThreadPool}.
    synchronized (mLastCapturedImageTimestamp) {
        if (timestamp > mLastCapturedImageTimestamp.get()) {
            mLastCapturedImageTimestamp.set(timestamp);
        } else {
            // There was a more recent (or identical) image which has
            // begun being saved, so abort.
            return;
        }
    }

    mReadyStateManager.setInput(
            ReadyStateRequirement.CAPTURE_NOT_IN_PROGRESS, true);

    mSession.startEmpty();
    savePicture(image, mParams, mSession);
    mParams.callback.onPictureTaken(mSession);
    Log.v(TAG, "Image saved.  Frame number = " + captureResult.getFrameNumber());
}
项目：FastBarcodeScanner    文件：FastBarcodeScanner.java    
private void onSingleBarcodeFound(Barcode bc, Image source, BarcodeDetectedListener listener, Handler callbackHandler) {
    if (bc == null || bc.contents == null) {
        Log.v(TAG, "Found barcode: " + null);
        mNoBarcodeCount++;
        if (mLastReportedBarcode != null && mNoBarcodeCount >= NO_BARCODE_IGNORE_LIMIT) {
            mLastReportedBarcode = null;
            _onSingleBarcode(null, null, source, listener, callbackHandler);
        }
    } else {
        Log.v(TAG, "Found barcode: " + bc.contents);
        mNoBarcodeCount = 0;
        if (!bc.contents.equals(mLastReportedBarcode)) {
            mLastReportedBarcode = bc.contents;
            _onSingleBarcode(mLastReportedBarcode, bc.points, source, listener, callbackHandler);
        }
    }
}
项目：FastBarcodeScanner    文件：FastBarcodeScanner.java    
private void _onSingleBarcode(String barcode, Point[] points, final Image source, final BarcodeDetectedListener listener, Handler callbackHandler) {
    if (listener != null) {
        final BarcodeInfo bc = new BarcodeInfo(barcode, points);
        final byte[] serialized = (source == null) ? null : ImageDecoder.Serialize(source);
        final int width = (source == null) ? 0 : source.getWidth();
        final int height = (source == null) ? 0 : source.getHeight();
        final int format = (source == null) ? ImageFormat.UNKNOWN : source.getFormat();
        callbackHandler.post(
                new Runnable() {
                    @Override
                    public void run() {
                        listener.onSingleBarcodeAvailable(bc, serialized, format, width, height);
                    }
                }
        );
    }
}
项目：FastBarcodeScanner    文件：FastBarcodeScanner.java    
private void onMultipleBarcodesFound(Barcode[] bcs, Image source, MultipleBarcodesDetectedListener listener, Handler callbackHandler) {
    if (bcs == null) {
        Log.v(TAG, "Found 0 barcodes");
        mNoBarcodeCount++;
        if (mLastReportedMultiBarcode != null && mNoBarcodeCount >= NO_BARCODE_IGNORE_LIMIT) {
            mLastReportedMultiBarcode = null;
            _onMultipleBarcodes(mLastReportedMultiBarcode, source, listener, callbackHandler);
        }
    } else {
        Log.v(TAG, "Found " + bcs.length + " barcodes");
        mNoBarcodeCount = 0;
        if (!_equals(bcs, mLastReportedMultiBarcode)) {
            mLastReportedMultiBarcode = bcs;
            _onMultipleBarcodes(mLastReportedMultiBarcode, source, listener, callbackHandler);
        }
    }
}
项目：FastBarcodeScanner    文件：FastBarcodeScanner.java    
private void _onMultipleBarcodes(final Barcode[] barcodes, final Image source, final MultipleBarcodesDetectedListener listener, Handler callbackHandler) {
    if (listener != null) {
        final byte[] serialized = (source == null) ? null : ImageDecoder.Serialize(source);
        final int width = (source == null) ? 0 : source.getWidth();
        final int height = (source == null) ? 0 : source.getHeight();
        final int format = (source == null) ? ImageFormat.UNKNOWN : source.getFormat();
        callbackHandler.post(
                new Runnable() {
                    @Override
                    public void run() {
                        listener.onMultipleBarcodeAvailable(_convert(barcodes), serialized, format, width, height);
                    }
                }
        );
    }
}
项目：FastBarcodeScanner    文件：ImageDecoder.java    
public static byte[] Serialize(Image image)
{
    if (image==null)
        return null;

    Image.Plane[] planes = image.getPlanes();

    // NV21 expects planes in order YVU, not YUV:
    if (image.getFormat() == ImageFormat.YUV_420_888)
        planes = new Image.Plane[] {planes[0], planes[2], planes[1]};

    byte[] serializeBytes = new byte[getSerializedSize(image)];
    int nextFree = 0;

    for (Image.Plane plane: planes)
    {
        ByteBuffer buffer = plane.getBuffer();
        buffer.position(0);
        int nBytes = buffer.remaining();
        plane.getBuffer().get(serializeBytes, nextFree, nBytes);
        nextFree += nBytes;
    }

    return serializeBytes;
}
项目：365browser    文件：VideoCaptureCamera2.java    
@Override
public void onImageAvailable(ImageReader reader) {
    try (Image image = reader.acquireLatestImage()) {
        if (image == null) {
            throw new IllegalStateException();
        }

        if (image.getFormat() != ImageFormat.JPEG) {
            Log.e(TAG, "Unexpected image format: %d", image.getFormat());
            throw new IllegalStateException();
        }

        final byte[] capturedData = readCapturedData(image);
        nativeOnPhotoTaken(mNativeVideoCaptureDeviceAndroid, mCallbackId, capturedData);

    } catch (IllegalStateException ex) {
        notifyTakePhotoError(mCallbackId);
        return;
    }

    if (createPreviewObjectsAndStartPreview()) return;

    nativeOnError(mNativeVideoCaptureDeviceAndroid, "Error restarting preview");
}
项目：youtube_livestream    文件：StreamerActivity.java    
@Override
public void onImageAvailable(ImageReader reader) {
    Image image = reader.acquireLatestImage();

    if (image != null) {
        ByteBuffer buffer = image.getPlanes()[0].getBuffer();

        if (rgbaData == null) {
            rgbaData = new byte[width * height * 4];
        }

        buffer.get(rgbaData);

        videoStreamingConnection.sendVideoFrame(rgbaData);

        image.close();
    }
}
项目：https-github.com-hyb1996-NoRootScriptDroid    文件：ColorFinder.java    
public Point[] findAllColors(Image image, ColorDetector detector, Rect rect, int threadCount) {
    List<Point> result = new Vector<>();
    ColorIterator[] iterators = divide(image, rect, threadCount);
    for (int i = 1; i < threadCount; i++) {
        mThreadPoolExecutor.execute(new FindAllColorsRunnable(result, iterators[i], detector));
    }
    new FindAllColorsRunnable(result, iterators[0], detector).run();
    Point[] points = new Point[result.size()];
    for (int i = 0; i < points.length; i++) {
        points[i] = scalePoint(result.get(i), image.getWidth(), image.getHeight());
    }
    return points;
}
项目：https-github.com-hyb1996-NoRootScriptDroid    文件：ColorFinder.java    
public Point findColorConcurrently(Image image, ColorDetector detector, Rect rect, int threadCount) {
    if (threadCount <= 1) {
        return findColor(image, detector, rect);
    }
    VolatileBox<Point> result = new VolatileBox<>();
    ColorIterator[] iterators = divide(image, rect, threadCount);
    for (int i = 1; i < threadCount; i++) {
        mThreadPoolExecutor.execute(new FindColorRunnable(result, iterators[i], detector));
    }
    new FindColorRunnable(result, iterators[0], detector).run();
    return scalePoint(result.get(), image.getWidth(), image.getHeight());
}
项目：https-github.com-hyb1996-NoRootScriptDroid    文件：ColorFinder.java    
protected ColorIterator[] divide(Image image, Rect rect, int count) {
    Rect[] subAreas = divideIntoSubAreas(rect, count);
    int centerY = rect.centerY();
    ColorIterator[] iterators = new ColorIterator[count];
    for (int i = 1; i < subAreas.length; i++) {
        Rect subArea = subAreas[i];
        if (subArea.top > centerY) {
            iterators[i] = new ColorIterator.SequentialIterator(image, subArea, true);
        } else {
            iterators[i] = new ColorIterator.SequentialIterator(image, subArea, true);
        }
    }
    iterators[0] = new ColorIterator.SequentialIterator(image, subAreas[0], false);
    return iterators;
}
项目：https-github.com-hyb1996-NoRootScriptDroid    文件：ColorIterator.java    
public ImageColorIterator(Image image, Rect area, boolean duplicateBuffer) {
    Image.Plane plane = image.getPlanes()[0];
    if (duplicateBuffer) {
        mByteBuffer = plane.getBuffer().duplicate();
    } else {
        mByteBuffer = plane.getBuffer();
    }
    mIterateArea = area;
}
项目：https-github.com-hyb1996-NoRootScriptDroid    文件：ColorIterator.java    
public SequentialIterator(Image image, Rect area, boolean duplicateBuffer) {
    super(image, area, duplicateBuffer);
    Image.Plane plane = image.getPlanes()[0];
    int pixelStride = plane.getPixelStride();
    mRowStride = plane.getRowStride();
    mWidth = area.width();
    mHeight = area.height();
    int rowPadding = mRowStride - pixelStride * image.getWidth();
    mSkipPerRow = rowPadding + (image.getWidth() - mWidth) * pixelStride;
    int offset = mIterateArea.top * mRowStride + mIterateArea.left * pixelStride;
    mByteBuffer.position(offset);
}
项目：https-github.com-hyb1996-NoRootScriptDroid    文件：ColorIterator.java    
public CentralSpiralIterator(Image image, Rect area, boolean duplicateBuffer) {
    super(image, area, duplicateBuffer);
    Image.Plane plane = image.getPlanes()[0];
    mPixelStride = mNextStepSkip = plane.getPixelStride();
    mRowStride = plane.getRowStride();
    mByteBuffer.position(area.centerX() * mPixelStride + area.centerY() * mRowStride);
}
项目：https-github.com-hyb1996-NoRootScriptDroid    文件：ScreenCapturer.java    
@Nullable
public Image capture() {
    if (!mImageAvailable) {
        waitForImageAvailable();
        return mLatestImage;
    }
    if (mLatestImage != null) {
        tryClose(mLatestImage);
    }
    mLatestImage = mImageReader.acquireLatestImage();
    return mLatestImage;
}
项目：https-github.com-hyb1996-NoRootScriptDroid    文件：ScreenCapturer.java    
private void tryClose(Image image) {
    try {
        image.close();
    } catch (Exception ignored) {

    }
}
项目：https-github.com-hyb1996-NoRootScriptDroid    文件：ConcurrentColorIterator.java    
public ConcurrentImageColorIterator(Image image, Rect area) {
    Image.Plane plane = image.getPlanes()[0];
    mByteBuffer = plane.getBuffer();
    mImageWidth = image.getWidth();
    mImageHeight = image.getHeight();
    mIterateArea = area;
    mAreaWidth = area.width();
    mAreaHeight = area.height();
}