android.graphics.YuvImage#compressToJpeg

Source File: ImageShot.java From Telephoto with Apache License 2.0

6 votes

private byte[] imgToByte(boolean quality) {
    Camera.Parameters parameters = getParameters();
    int width = parameters.getPreviewSize().width;
    int height = parameters.getPreviewSize().height;

    YuvImage yuv = new YuvImage(getImage(), parameters.getPreviewFormat(), width, height, null);
    ByteArrayOutputStream out =
            new ByteArrayOutputStream();
    yuv.compressToJpeg(new Rect(0, 0, width, height), 100, out);

    byte[] compressed = out.toByteArray();

    Bitmap newBmp = BitmapFactory.decodeByteArray(compressed, 0, compressed.length);
    Matrix mat = new Matrix();
    mat.postRotate(PrefsController.instance.getPrefs().getCameraPrefs(cameraId).angle);
    newBmp = Bitmap.createBitmap(newBmp, 0, 0, newBmp.getWidth(), newBmp.getHeight(), mat, true);
    ByteArrayOutputStream out2 = new ByteArrayOutputStream();
    if (quality) {
        newBmp.compress(Bitmap.CompressFormat.PNG, 100, out2);
    } else {
        newBmp.compress(Bitmap.CompressFormat.JPEG, 80, out2);
    }

    return out2.toByteArray();
}

Source File: MyRenderer.java From Viewer with Apache License 2.0

6 votes

public void rawByteArray2RGBABitmap2(FileOutputStream b)
{
	int yuvi = yuv_w * yuv_h;
	int uvi = 0;
	byte[] yuv = new byte[yuv_w * yuv_h * 3 / 2];
	System.arraycopy(y, 0, yuv, 0, yuvi);
	for (int i = 0; i < yuv_h / 2; i++)
	{
		for (int j = 0; j < yuv_w / 2; j++)
		{
			yuv[yuvi++] = v[uvi];
			yuv[yuvi++] = u[uvi++];
		}
	}
	YuvImage yuvImage = new YuvImage(yuv, ImageFormat.NV21, yuv_w, yuv_h, null);
	Rect rect = new Rect(0, 0, yuv_w, yuv_h);
	yuvImage.compressToJpeg(rect, 100, b);
}

Source File: SnapshotVideoRenderer.java From video-quickstart-android with MIT License

6 votes

private Bitmap captureBitmapFromYuvFrame(I420Frame i420Frame) {
    YuvImage yuvImage = i420ToYuvImage(i420Frame.yuvPlanes,
            i420Frame.yuvStrides,
            i420Frame.width,
            i420Frame.height);
    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    Rect rect = new Rect(0, 0, yuvImage.getWidth(), yuvImage.getHeight());

    // Compress YuvImage to jpeg
    yuvImage.compressToJpeg(rect, 100, stream);

    // Convert jpeg to Bitmap
    byte[] imageBytes = stream.toByteArray();
    Bitmap bitmap = BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);
    Matrix matrix = new Matrix();

    // Apply any needed rotation
    matrix.postRotate(i420Frame.rotationDegree);
    bitmap = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix,
            true);

    return bitmap;
}

Source File: BitmapUtil.java From deltachat-android with GNU General Public License v3.0

6 votes

public static byte[] createFromNV21(@NonNull final byte[] data,
                                    final int width,
                                    final int height,
                                    int rotation,
                                    final Rect croppingRect,
                                    final boolean flipHorizontal)
    throws IOException
{
  byte[] rotated = rotateNV21(data, width, height, rotation, flipHorizontal);
  final int rotatedWidth  = rotation % 180 > 0 ? height : width;
  final int rotatedHeight = rotation % 180 > 0 ? width  : height;
  YuvImage previewImage = new YuvImage(rotated, ImageFormat.NV21,
                                       rotatedWidth, rotatedHeight, null);

  ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
  previewImage.compressToJpeg(croppingRect, 80, outputStream);
  byte[] bytes = outputStream.toByteArray();
  outputStream.close();
  return bytes;
}

Source File: ResultProcessor.java From libsoftwaresync with Apache License 2.0

6 votes

private static boolean saveJpg(YuvImage src, int quality, File file) {
  long t0 = System.nanoTime();
  try (FileOutputStream outputStream = new FileOutputStream(file)) {
    Rect rect = new Rect(0, 0, src.getWidth(), src.getHeight());
    boolean ok = src.compressToJpeg(rect, quality, outputStream);
    if (!ok) {
      // TODO(jiawen,samansari): Toast.
      Log.w(TAG, "Error saving JPEG to: " + file.getAbsolutePath());
    }
    long t1 = System.nanoTime();
    Log.i(TAG, String.format("saveJpg took %f ms.", (t1 - t0) * 1e-6f));
    return ok;
  } catch (IOException e) {
    // TODO(jiawen,samansari): Toast.
    Log.w(TAG, "Error saving JPEG image to: " + file.getAbsolutePath());
    return false;
  }
}

Source File: CameraActivity.java From Android-MobileFaceNet-MTCNN-FaceAntiSpoofing with MIT License

6 votes

private Bitmap convertBitmap(byte[] data, Camera camera) {
    Camera.Size previewSize = camera.getParameters().getPreviewSize();
    YuvImage yuvimage = new YuvImage(
            data,
            camera.getParameters().getPreviewFormat(),
            previewSize.width,
            previewSize.height,
            null);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    yuvimage.compressToJpeg(new Rect(0, 0, previewSize.width, previewSize.height), 100, baos);
    byte[] rawImage = baos.toByteArray();
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inPreferredConfig = Bitmap.Config.RGB_565;
    Bitmap bitmap = BitmapFactory.decodeByteArray(rawImage, 0, rawImage.length, options);
    Matrix m = new Matrix();
    // 这里我的手机需要旋转一下图像方向才正确，如果在你们的手机上不正确，自己调节，
    // 正式项目中不能这么写，需要计算方向，计算YuvImage方向太麻烦，我这里没有做。
    m.setRotate(-displayDegree);
    return Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true);
}

Source File: ImageUtils.java From IDCardCamera with Apache License 2.0

5 votes

/**
 * 将byte[]转换成Bitmap
 *
 * @param bytes
 * @param width
 * @param height
 * @return
 */
public static Bitmap getBitmapFromByte(byte[] bytes, int width, int height) {
    final YuvImage image = new YuvImage(bytes, ImageFormat.NV21, width, height, null);
    ByteArrayOutputStream os = new ByteArrayOutputStream(bytes.length);
    if (!image.compressToJpeg(new Rect(0, 0, width, height), 100, os)) {
        return null;
    }
    byte[] tmp = os.toByteArray();
    Bitmap bmp = BitmapFactory.decodeByteArray(tmp, 0, tmp.length);
    return bmp;
}

Source File: FrameCatcher.java From LiveMultimedia with Apache License 2.0

5 votes

/**********************************************************************
 * getBitmapImageFromYUV returns a bitmap from an image captured in
 * the camera in YUV12 format. Image formats and video formats are not
 *  the same thing.
 *******************************************************************/
public static Bitmap getBitmapImageFromYUV(byte[] data, int width, int height) {
    YuvImage yuvimage = new YuvImage(data, ImageFormat.NV21, width, height, null);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    yuvimage.compressToJpeg(new Rect(0, 0, width, height), 80, baos);
    byte[] jdata = baos.toByteArray();
    BitmapFactory.Options bitmapFatoryOptions = new BitmapFactory.Options();
    bitmapFatoryOptions.inPreferredConfig = Bitmap.Config.RGB_565;
    return  BitmapFactory.decodeByteArray(jdata, 0, jdata.length, bitmapFatoryOptions);
}

Source File: Nv21ImageTest.java From easyrs with MIT License

5 votes

@NonNull
private Bitmap getConvertedBitmap(Nv21Image nv21Image) {
    YuvImage yuvImage = new YuvImage(nv21Image.nv21ByteArray, ImageFormat.NV21, nv21Image.width,
            nv21Image.height, null);
    ByteArrayOutputStream os = new ByteArrayOutputStream();
    yuvImage.compressToJpeg(new Rect(0, 0, nv21Image.width, nv21Image.height), 100, os);
    byte[] jpegByteArray = os.toByteArray();
    return BitmapFactory.decodeByteArray(jpegByteArray, 0, jpegByteArray.length);
}

Source File: ConUtil.java From MegviiFacepp-Android-SDK with Apache License 2.0

5 votes

public static Bitmap decodeToBitMap(byte[] data, Camera _camera) {
	Camera.Size size = _camera.getParameters().getPreviewSize();
	try {
		YuvImage image = new YuvImage(data, ImageFormat.NV21, size.width, size.height, null);
		if (image != null) {
			ByteArrayOutputStream stream = new ByteArrayOutputStream();
			image.compressToJpeg(new Rect(0, 0, size.width, size.height), 80, stream);
			Bitmap bmp = BitmapFactory.decodeByteArray(stream.toByteArray(), 0, stream.size());
			stream.close();
			return bmp;
		}
	} catch (Exception ex) {
	}
	return null;
}

Source File: VideoStreamingThread.java From faceswap with Apache License 2.0

5 votes

@Override
protected byte[] doInBackground(Object... objs) {
    byte[] frame = (byte[]) objs[0];
    Parameters parameters = (Parameters) objs[1];
    if (frame_firstUpdateTime == 0) {
        frame_firstUpdateTime = System.currentTimeMillis();
    }
    frame_currentUpdateTime = System.currentTimeMillis();

    int datasize = 0;
    cameraImageSize = parameters.getPreviewSize();
    YuvImage image = new YuvImage(frame, parameters.getPreviewFormat(), cameraImageSize.width,
            cameraImageSize.height, null);
    ByteArrayOutputStream tmpBuffer = new ByteArrayOutputStream();
    image.compressToJpeg(new Rect(0, 0, image.getWidth(), image.getHeight()), 90, tmpBuffer);
    Log.d(LOG_TAG, "compression took: "
            + (System.currentTimeMillis()-frame_currentUpdateTime));
    synchronized (frameLock) {
        frameBuffer = tmpBuffer.toByteArray();
        frameGeneratedTime = System.currentTimeMillis();
        frameID++;
        frameLock.notify();
    }
    datasize = tmpBuffer.size();
    frame_count++;
    frame_totalsize += datasize;
    if (frame_count % 50 == 0) {
        Log.d(LOG_TAG, "(IMG)\t" +
                "BW: " + 8.0 * frame_totalsize / (frame_currentUpdateTime - frame_firstUpdateTime) / 1000 +
                " Mbps\tCurrent FPS: " + 8.0 * datasize / (frame_currentUpdateTime - frame_prevUpdateTime) / 1000 + " Mbps\t" +
                "FPS: " + 1000.0 * frame_count / (frame_currentUpdateTime - frame_firstUpdateTime));
    }
    frame_prevUpdateTime = frame_currentUpdateTime;
    return tmpBuffer.toByteArray();
}

Source File: CameraAnalyzer.java From LPR with Apache License 2.0

5 votes

private Mat ImagetoMat(ImageProxy imageProxy) {
    ImageProxy.PlaneProxy[] plane = imageProxy.getPlanes();
    ByteBuffer yBuffer = plane[0].getBuffer();  // Y
    ByteBuffer uBuffer = plane[1].getBuffer();  // U
    ByteBuffer vBuffer = plane[2].getBuffer();  // V

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

    byte[] 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);
    try {
        YuvImage yuvImage = new YuvImage(nv21, ImageFormat.NV21, imageProxy.getWidth(), imageProxy.getHeight(), null);
        ByteArrayOutputStream stream = new ByteArrayOutputStream(nv21.length);
        yuvImage.compressToJpeg(new Rect(0, 0, yuvImage.getWidth(), yuvImage.getHeight()), 90, stream);
        Bitmap bitmap = BitmapFactory.decodeByteArray(stream.toByteArray(), 0, stream.size());
        Matrix matrix = new Matrix();
        matrix.postRotate(90);
        Rect rect = scannerView.getFramingRectInPreview(bitmap.getWidth(), bitmap.getHeight());
        bitmap = Bitmap.createBitmap(bitmap, rect.top, rect.left, rect.height(), rect.width(), matrix, true);
        stream.close();
        Mat mat = new Mat(bitmap.getWidth(), bitmap.getHeight(), CvType.CV_8UC4);
        Utils.bitmapToMat(bitmap, mat);
        return mat;
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

Source File: FaceDetectionThread.java From Android-Screen-to-Face-Distance-Measurement with MIT License

4 votes

/**
 * bla bla bla
 */
@Override
public void run() {

	long t = System.currentTimeMillis();

	YuvImage yuvimage = new YuvImage(_data, ImageFormat.NV21,
			_previewSize.width, _previewSize.height, null);

	ByteArrayOutputStream baos = new ByteArrayOutputStream();

	if (!yuvimage.compressToJpeg(new Rect(0, 0, _previewSize.width,
			_previewSize.height), 100, baos)) {

		Log.e("Camera", "compressToJpeg failed");

	}

	Log.i("Timing", "Compression finished: "
			+ (System.currentTimeMillis() - t));
	t = System.currentTimeMillis();

	BitmapFactory.Options bfo = new BitmapFactory.Options();
	bfo.inPreferredConfig = Bitmap.Config.RGB_565;

	_currentFrame = BitmapFactory.decodeStream(new ByteArrayInputStream(
			baos.toByteArray()), null, bfo);

	Log.i("Timing", "Decode Finished: " + (System.currentTimeMillis() - t));
	t = System.currentTimeMillis();

	// Rotate the so it siuts our portrait mode
	Matrix matrix = new Matrix();
	matrix.postRotate(90);
	matrix.preScale(-1, 1);
	// We rotate the same Bitmap
	_currentFrame = Bitmap.createBitmap(_currentFrame, 0, 0,
			_previewSize.width, _previewSize.height, matrix, false);

	Log.i("Timing",
			"Rotate, Create finished: " + (System.currentTimeMillis() - t));
	t = System.currentTimeMillis();

	if (_currentFrame == null) {
		Log.e(FACEDETECTIONTHREAD_TAG, "Could not decode Image");
		return;
	}

	FaceDetector d = new FaceDetector(_currentFrame.getWidth(),
			_currentFrame.getHeight(), 1);

	Face[] faces = new Face[1];
	d.findFaces(_currentFrame, faces);

	Log.i("Timing",
			"FaceDetection finished: " + (System.currentTimeMillis() - t));
	t = System.currentTimeMillis();

	_currentFace = faces[0];
	Log.d(FACEDETECTIONTHREAD_TAG, "Found: " + faces[0] + " Faces");
}

Source File: PreviewHelper.java From meatspace-android with BSD 3-Clause "New" or "Revised" License

4 votes

@Override
public void onPreviewFrame(byte[] data, Camera camera) {
    if (capturing) {

        long now = System.currentTimeMillis();
        float duration = now - lastTick;

        t += duration;

        if (onCaptureListener != null) {
            onCaptureListener.onCaptureProgress(((float) t) / Constants.CAPTURE_DURATION);
        }

        Camera.Parameters parameters = camera.getParameters();
        Camera.Size size = parameters.getPreviewSize();
        YuvImage image = new YuvImage(data, parameters.getPreviewFormat(),
                size.width, size.height, null);

        ByteArrayOutputStream output = new ByteArrayOutputStream();
        image.compressToJpeg(new Rect(0, 0, image.getWidth(), image.getHeight()), 90, output);

        Bitmap bitmap = BitmapFactory.decodeByteArray(output.toByteArray(), 0, output.size());

        boolean realSized = angle % 180 == 0;

        float ratio = Constants.CAPTURE_WIDTH / Constants.CAPTURE_HEIGHT;

        float srcWidth = realSized ? image.getWidth() : (float) image.getHeight() / ratio;
        float srcHeight = realSized ? (float) image.getWidth() / ratio : image.getHeight();

        float scaleFactor = realSized ? Constants.CAPTURE_WIDTH / image.getWidth() : Constants.CAPTURE_WIDTH / image.getHeight();

        Matrix matrix = new Matrix();
        matrix.postRotate(isFrontCamera ? -angle : angle);
        matrix.postScale(isFrontCamera ? -scaleFactor : scaleFactor, scaleFactor);

        int startX = (int) (image.getWidth() - srcWidth)/2;
        int startY = (int) (image.getHeight() - srcHeight)/2;
        Bitmap rotatedBitmap = Bitmap.createBitmap(bitmap, startX, startY, (int) srcWidth, (int) srcHeight, matrix, true);

        gifEncoder.setDelay((int) (duration / Constants.CAPTURE_ACCELERATION));
        gifEncoder.addFrame(rotatedBitmap);

        rotatedBitmap.recycle();
        bitmap.recycle();

        lastTick = now;
    }
}

Source File: ICamera.java From MegviiFacepp-Android-SDK with Apache License 2.0

4 votes

public Bitmap getBitMapWithRect(byte[] data, Camera camera, boolean mIsFrontalCamera,Rect rect) {
		int width = camera.getParameters().getPreviewSize().width;
		int height = camera.getParameters().getPreviewSize().height;
		YuvImage yuvImage = new YuvImage(data, camera.getParameters()
				.getPreviewFormat(), width, height, null);
		ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
		yuvImage.compressToJpeg(new Rect(0, 0, width, height), 80,
				byteArrayOutputStream);

		byte[] jpegData = byteArrayOutputStream.toByteArray();
		// 获取照相后的bitmap
		Bitmap tmpBitmap = BitmapFactory.decodeByteArray(jpegData, 0,
				jpegData.length);

//		Log.e("xie", "getbitmap width"+tmpBitmap.getWidth()+"rect="+rect );
		if (rect.top<0){
			rect.top=0;
		}
		if (rect.top>tmpBitmap.getHeight()){
			rect.top=tmpBitmap.getHeight();
		}
		if (rect.left<0){
			rect.left=0;
		}
		if (rect.left>tmpBitmap.getWidth()){
			rect.left=tmpBitmap.getWidth();
		}
		int widthRect=rect.right-rect.left;
		if(rect.right>tmpBitmap.getWidth()){
			widthRect=tmpBitmap.getWidth()-rect.left;

		}
		int heightRect=rect.bottom-rect.top;
		if(rect.bottom>tmpBitmap.getHeight()){
			heightRect=tmpBitmap.getHeight()-rect.top;
		}
//		Log.i("xie","xie rect"+rect+"wid"+widthRect+"height"+heightRect);
		tmpBitmap = Bitmap.createBitmap(tmpBitmap, rect.left, rect.top, widthRect,
				heightRect);

		Matrix matrix = new Matrix();
		matrix.reset();
		if (mIsFrontalCamera) {
			matrix.setRotate(-90);
		} else {
			matrix.setRotate(90);
		}
		tmpBitmap = Bitmap.createBitmap(tmpBitmap, 0, 0, tmpBitmap.getWidth(),
				tmpBitmap.getHeight(), matrix, true);
//		Log.e("xie", "getbitmap temp"+tmpBitmap.getWidth()+"asdhe "+tmpBitmap.getHeight() );
		tmpBitmap = tmpBitmap.copy(Bitmap.Config.ARGB_8888, true);

		int hight = tmpBitmap.getHeight() > tmpBitmap.getWidth() ? tmpBitmap
				.getHeight() : tmpBitmap.getWidth();

		float scale = hight / 800.0f;

		if (scale > 1) {
			tmpBitmap = Bitmap.createScaledBitmap(tmpBitmap,
					(int) (tmpBitmap.getWidth() / scale),
					(int) (tmpBitmap.getHeight() / scale), false);
		}
		return tmpBitmap;
	}

Source File: JpegUtils.java From FastBarcodeScanner with Apache License 2.0

4 votes

public static byte[] ToJpeg(byte[] imageData, int imageFormat, int width, int height)
{
    if (imageData == null)
        return null;

    switch (imageFormat)
    {
        case ImageFormat.NV21:
        case ImageFormat.YUY2:
            YuvImage img = new YuvImage(imageData, imageFormat, width, height, null);
            ByteArrayOutputStream baos = new ByteArrayOutputStream();
            int quality = 20; //set quality
            img.compressToJpeg(new Rect(0, 0, width, height), quality, baos);//this line decreases the image quality
            return baos.toByteArray();
        case ImageFormat.YUV_420_888:
            return JpegFromYuv420888(imageData, imageFormat, width, height);


        case ImageFormat.UNKNOWN:
            return null;
        case ImageFormat.NV16:
            // Source: http://www.programcreek.com/java-api-examples/index.php?source_dir=Roid-Library-master/src/com/rincliu/library/common/persistence/zxing/camera/CameraManager.java
            // This format has never been seen in the wild, but is compatible as we only care
            // about the Y channel, so allow it.
        case ImageFormat.YV12:
            // source: https://github.com/evopark/tiqr-android/blob/master/src/main/java/de/evopark/tiqr/android/processing/ZxingQrScanner.java
        case ImageFormat.YUV_422_888:
            // only varies from yuv_420_888 in chroma-subsampling, which I'm guessing
            // doesn't affect the luminance much
            // (see https://en.wikipedia.org/wiki/Chroma_subsampling)
        case ImageFormat.YUV_444_888:
            // only varies from yuv_420_888 in chroma-subsampling, which I'm guessing
            // doesn't affect the luminance much
            // (see https://en.wikipedia.org/wiki/Chroma_subsampling)
            return null;//new PlanarYUVLuminanceSource(data, width, height, 0, 0, width, height, false);
        case ImageFormat.FLEX_RGB_888:
        case ImageFormat.FLEX_RGBA_8888:
            return null;//new RGBLuminanceSource(width, height, uncompress(data, width, height));// PlanarYUVLuminanceSource(bytes, width, height, 0, 0, width, height, false);
        case ImageFormat.JPEG:
            // Tried and tested myself
            return null;//new RGBLuminanceSource(width, height, uncompress(data, width, height));// PlanarYUVLuminanceSource(bytes, width, height, 0, 0, width, height, false);
        case ImageFormat.RGB_565:
            return null;//new RGB565(width, height, uncompress(data, width, height));// PlanarYUVLuminanceSource(bytes, width, height, 0, 0, width, height, false);
        case ImageFormat.RAW_SENSOR:
        case ImageFormat.RAW10:
        case ImageFormat.RAW12:
        case ImageFormat.DEPTH16:
        case ImageFormat.DEPTH_POINT_CLOUD:
            //ImageFormat.Y8:
            //ImageFormat.Y16:
            return null;
        default:
            throw new IllegalArgumentException("No support for image format " + imageFormat);
    }
}

Source File: SnapshotVideoRenderer.java From video-quickstart-android with MIT License

4 votes

private Bitmap captureBitmapFromTexture(I420Frame i420Frame) {
    int width = i420Frame.rotatedWidth();
    int height = i420Frame.rotatedHeight();
    int outputFrameSize = width * height * 3 / 2;
    ByteBuffer outputFrameBuffer = ByteBuffer.allocateDirect(outputFrameSize);
    final float frameAspectRatio = (float) i420Frame.rotatedWidth() /
            (float) i420Frame.rotatedHeight();
    final float[] rotatedSamplingMatrix =
            RendererCommon.rotateTextureMatrix(i420Frame.samplingMatrix,
                    i420Frame.rotationDegree);
    final float[] layoutMatrix = RendererCommon.getLayoutMatrix(false,
            frameAspectRatio,
            (float) width / height);
    final float[] texMatrix = RendererCommon.multiplyMatrices(rotatedSamplingMatrix,
            layoutMatrix);
    /*
     * YuvConverter must be instantiated on a thread that has an active EGL context. We know
     * that renderFrame is called from the correct render thread therefore
     * we defer instantiation of the converter until frame arrives.
     */
    YuvConverter yuvConverter = new YuvConverter();
    yuvConverter.convert(outputFrameBuffer,
            width,
            height,
            width,
            i420Frame.textureId,
            texMatrix);

    // Now we need to unpack the YUV data into planes
    byte[] data = outputFrameBuffer.array();
    int offset = outputFrameBuffer.arrayOffset();
    int stride = width;
    ByteBuffer[] yuvPlanes = new ByteBuffer[] {
            ByteBuffer.allocateDirect(width * height),
            ByteBuffer.allocateDirect(width * height / 4),
            ByteBuffer.allocateDirect(width * height / 4)
    };
    int[] yuvStrides = new int[] {
            width,
            (width + 1) / 2,
            (width + 1) / 2
    };

    // Write Y
    yuvPlanes[0].put(data, offset, width * height);

    // Write U
    for (int r = height ; r < height * 3 / 2; ++r) {
        yuvPlanes[1].put(data, offset + r * stride, stride / 2);
    }

    // Write V
    for (int r = height ; r < height * 3 / 2 ; ++r) {
        yuvPlanes[2].put(data, offset + r * stride + stride / 2, stride / 2);
    }

    // Convert the YuvImage
    YuvImage yuvImage = i420ToYuvImage(yuvPlanes, yuvStrides, width, height);

    ByteArrayOutputStream stream = new ByteArrayOutputStream();
    Rect rect = new Rect(0, 0, yuvImage.getWidth(), yuvImage.getHeight());

    // Compress YuvImage to jpeg
    yuvImage.compressToJpeg(rect, 100, stream);

    // Convert jpeg to Bitmap
    byte[] imageBytes = stream.toByteArray();

    // Release YUV Converter
    yuvConverter.release();

    return BitmapFactory.decodeByteArray(imageBytes, 0, imageBytes.length);
}

Source File: ImageUtil.java From DeviceConnect-Android with MIT License

4 votes

private static byte[] NV21toJPEG(byte[] nv21, int width, int height, int quality) {
    ByteArrayOutputStream out = new ByteArrayOutputStream();
    YuvImage yuv = new YuvImage(nv21, ImageFormat.NV21, width, height, null);
    yuv.compressToJpeg(new Rect(0, 0, width, height), quality, out);
    return out.toByteArray();
}

Source File: STUtils.java From TikTok with Apache License 2.0

3 votes

/**
 * 将Android的特殊格式转化成ARGB彩图
 * 
 * @param nv21
 * 输入的图片数据，Android读图特殊格式
 * 
 * @param width
 * 输入图的宽度
 * 
 * @param height
 * 输入图的高度
 * 
 * @return
 * ARGB彩图
 */
static public Bitmap NV21ToRGBABitmap(byte []nv21, int width, int height) {
	YuvImage yuvImage = new YuvImage(nv21, ImageFormat.NV21, width, height, null);
	ByteArrayOutputStream baos = new ByteArrayOutputStream();
       yuvImage.compressToJpeg(new Rect(0, 0, width, height), 100, baos);
       byte[] cur = baos.toByteArray();
       return BitmapFactory.decodeByteArray(cur, 0, cur.length);
}

Source File: STUtils.java From Fatigue-Detection with MIT License

3 votes

/**
 * 将Android的特殊格式转化成ARGB彩图
 * 
 * @param NV21
 * 输入的图片数据，Android读图特殊格式
 * 
 * @param width
 * 输入图的宽度
 * 
 * @param height
 * 输入图的高度
 * 
 * @return
 * ARGB彩图
 */
static public Bitmap NV21ToRGBABitmap(byte []nv21, int width, int height) {
	YuvImage yuvImage = new YuvImage(nv21, ImageFormat.NV21, width, height, null);
	ByteArrayOutputStream baos = new ByteArrayOutputStream();
       yuvImage.compressToJpeg(new Rect(0, 0, width, height), 100, baos);
       byte[] cur = baos.toByteArray();
       return BitmapFactory.decodeByteArray(cur, 0, cur.length);
}

Java Code Examples for android.graphics.YuvImage#compressToJpeg()