Examples with FrameImage2D androidx.media.filterfw.FrameImage2D used on opensource projects

Example 61 with FrameImage2D

use of androidx.media.filterfw.FrameImage2D in project android_frameworks_base by ResurrectionRemix.

the class ExposureFilter method onProcess.

@Override
protected void onProcess() {
    FrameImage2D inputImage = getConnectedInputPort("image").pullFrame().asFrameImage2D();
    float overExposedPixels, underExposedPixels;
    ByteBuffer inputBuffer = inputImage.lockBytes(Frame.MODE_READ);
    overExposedPixels = overExposureOperator(inputImage.getWidth(), inputImage.getHeight(), inputBuffer);
    underExposedPixels = underExposureOperator(inputImage.getWidth(), inputImage.getHeight(), inputBuffer);
    inputImage.unlock();
    if (mLogVerbose)
        Log.v(TAG, "underExposedPixelCount: " + underExposedPixels);
    OutputPort underPort = getConnectedOutputPort("underExposedNum");
    if (underPort != null) {
        FrameValue underOutFrame = underPort.fetchAvailableFrame(null).asFrameValue();
        underOutFrame.setValue(underExposedPixels * inputImage.getWidth() * inputImage.getHeight());
        underPort.pushFrame(underOutFrame);
    }
    OutputPort underPort2 = getConnectedOutputPort("underExposureRating");
    FrameValue underOutFrame2 = underPort2.fetchAvailableFrame(null).asFrameValue();
    underOutFrame2.setValue(underExposedPixels);
    underPort2.pushFrame(underOutFrame2);
    if (mLogVerbose)
        Log.v(TAG, "overExposedPixelCount: " + overExposedPixels);
    OutputPort overPort = getConnectedOutputPort("overExposedNum");
    if (overPort != null) {
        FrameValue overOutFrame = overPort.fetchAvailableFrame(null).asFrameValue();
        overOutFrame.setValue(overExposedPixels * inputImage.getWidth() * inputImage.getHeight());
        overPort.pushFrame(overOutFrame);
    }
    OutputPort overPort2 = getConnectedOutputPort("overExposureRating");
    FrameValue overOutFrame2 = overPort2.fetchAvailableFrame(null).asFrameValue();
    overOutFrame2.setValue(overExposedPixels);
    overPort2.pushFrame(overOutFrame2);
}

Example 62 with FrameImage2D

use of androidx.media.filterfw.FrameImage2D in project android_frameworks_base by ResurrectionRemix.

the class FaceSquareFilter method onProcess.

/**
     * @see androidx.media.filterfw.Filter#onProcess()
     */
@Override
protected void onProcess() {
    // Get inputs
    FrameImage2D imageFrame = getConnectedInputPort("image").pullFrame().asFrameImage2D();
    FrameValues facesFrame = getConnectedInputPort("faces").pullFrame().asFrameValues();
    Face[] faces = (Face[]) facesFrame.getValues();
    int[] dims = imageFrame.getDimensions();
    ByteBuffer buffer = imageFrame.lockBytes(Frame.MODE_WRITE);
    byte[] pixels = buffer.array();
    // For every face in faces, draw a white rect around the
    // face following the rect member of the Face
    drawBoxes(pixels, faces, dims);
    imageFrame.unlock();
    OutputPort outPort = getConnectedOutputPort("image");
    outPort.pushFrame(imageFrame);
}

Example 63 with FrameImage2D

use of androidx.media.filterfw.FrameImage2D in project android_frameworks_base by ResurrectionRemix.

the class ContrastRatioFilterTest method testContrastFilter.

public void testContrastFilter() throws Exception {
    final int INPUT_WIDTH = 480;
    final int INPUT_HEIGHT = 640;
    FrameImage2D image = createFrame(FrameType.image2D(FrameType.ELEMENT_RGBA8888, FrameType.READ_CPU), new int[] { INPUT_WIDTH, INPUT_HEIGHT }).asFrameImage2D();
    Bitmap bitmap = BitmapFactory.decodeStream(assetMgr.open("0002_000390.jpg"));
    image.setBitmap(bitmap);
    injectInputFrame("image", image);
    process();
    final float EXPECTED_RESULT = 0.29901487f;
    assertEquals(EXPECTED_RESULT, ((Float) getOutputFrame("contrastRating").asFrameValue().getValue()).floatValue(), 0.001f);
}

Example 64 with FrameImage2D

use of androidx.media.filterfw.FrameImage2D in project android_frameworks_base by crdroidandroid.

the class BrightnessFilter method onProcess.

@Override
protected void onProcess() {
    OutputPort outPort = getConnectedOutputPort("image");
    FrameImage2D inputImage = getConnectedInputPort("image").pullFrame().asFrameImage2D();
    int[] dim = inputImage.getDimensions();
    FrameImage2D outputImage = outPort.fetchAvailableFrame(dim).asFrameImage2D();
    mShader.setUniformValue("brightness", mBrightness);
    mShader.process(inputImage, outputImage);
    outPort.pushFrame(outputImage);
}

Example 65 with FrameImage2D

use of androidx.media.filterfw.FrameImage2D in project android_frameworks_base by crdroidandroid.

the class ToGrayValuesFilter method onProcess.

@Override
protected void onProcess() {
    OutputPort outPort = getConnectedOutputPort("image");
    FrameImage2D inputImage = getConnectedInputPort("image").pullFrame().asFrameImage2D();
    int[] dim = inputImage.getDimensions();
    FrameBuffer2D outputFrame;
    ByteBuffer grayBuffer;
    if (isOpenGLSupported()) {
        // crop out the portion of inputImage that will be used to generate outputFrame.
        int modular = dim[0] % 4;
        int[] outDim = new int[] { dim[0] - modular, dim[1] };
        outputFrame = outPort.fetchAvailableFrame(outDim).asFrameBuffer2D();
        grayBuffer = outputFrame.lockBytes(Frame.MODE_WRITE);
        int[] targetDims = new int[] { outDim[0] / 4, outDim[1] };
        FrameImage2D targetFrame = Frame.create(mImageInType, targetDims).asFrameImage2D();
        mShader.setSourceQuad(Quad.fromRect(0f, 0f, ((float) outDim[0]) / dim[0], 1f));
        mShader.setUniformValue("pix_stride", 1f / outDim[0]);
        mShader.process(inputImage, targetFrame);
        RenderTarget grayTarget = targetFrame.lockRenderTarget();
        grayTarget.readPixelData(grayBuffer, targetDims[0], targetDims[1]);
        targetFrame.unlock();
        targetFrame.release();
    } else {
        outputFrame = outPort.fetchAvailableFrame(dim).asFrameBuffer2D();
        grayBuffer = outputFrame.lockBytes(Frame.MODE_WRITE);
        ByteBuffer inputBuffer = inputImage.lockBytes(Frame.MODE_READ);
        if (!toGrayValues(inputBuffer, grayBuffer)) {
            throw new RuntimeException("Native implementation encountered an error during processing!");
        }
        inputImage.unlock();
    }
    outputFrame.unlock();
    outPort.pushFrame(outputFrame);
}