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

Example 36 with FrameImage2D

use of androidx.media.filterfw.FrameImage2D in project platform_frameworks_base by android.

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 37 with FrameImage2D

use of androidx.media.filterfw.FrameImage2D in project platform_frameworks_base by android.

the class SobelFilter method onProcess.

@Override
protected void onProcess() {
    OutputPort magnitudePort = getConnectedOutputPort("magnitude");
    OutputPort directionPort = getConnectedOutputPort("direction");
    FrameImage2D inputImage = getConnectedInputPort("image").pullFrame().asFrameImage2D();
    int[] inputDims = inputImage.getDimensions();
    FrameImage2D magImage = (magnitudePort != null) ? magnitudePort.fetchAvailableFrame(inputDims).asFrameImage2D() : null;
    FrameImage2D dirImage = (directionPort != null) ? directionPort.fetchAvailableFrame(inputDims).asFrameImage2D() : null;
    if (isOpenGLSupported()) {
        FrameImage2D gxFrame = Frame.create(mImageType, inputDims).asFrameImage2D();
        FrameImage2D gyFrame = Frame.create(mImageType, inputDims).asFrameImage2D();
        mGradientXShader.setUniformValue("pix", new float[] { 1f / inputDims[0], 1f / inputDims[1] });
        mGradientYShader.setUniformValue("pix", new float[] { 1f / inputDims[0], 1f / inputDims[1] });
        mGradientXShader.process(inputImage, gxFrame);
        mGradientYShader.process(inputImage, gyFrame);
        FrameImage2D[] gradientFrames = new FrameImage2D[] { gxFrame, gyFrame };
        if (magnitudePort != null) {
            mMagnitudeShader.processMulti(gradientFrames, magImage);
        }
        if (directionPort != null) {
            mDirectionShader.processMulti(gradientFrames, dirImage);
        }
        gxFrame.release();
        gyFrame.release();
    } else {
        ByteBuffer inputBuffer = inputImage.lockBytes(Frame.MODE_READ);
        ByteBuffer magBuffer = (magImage != null) ? magImage.lockBytes(Frame.MODE_WRITE) : null;
        ByteBuffer dirBuffer = (dirImage != null) ? dirImage.lockBytes(Frame.MODE_WRITE) : null;
        sobelOperator(inputImage.getWidth(), inputImage.getHeight(), inputBuffer, magBuffer, dirBuffer);
        inputImage.unlock();
        if (magImage != null) {
            magImage.unlock();
        }
        if (dirImage != null) {
            dirImage.unlock();
        }
    }
    if (magImage != null) {
        magnitudePort.pushFrame(magImage);
    }
    if (dirImage != null) {
        directionPort.pushFrame(dirImage);
    }
}

Example 38 with FrameImage2D

use of androidx.media.filterfw.FrameImage2D in project platform_frameworks_base by android.

the class RotateFilter method onProcess.

@Override
protected void onProcess() {
    OutputPort outPort = getConnectedOutputPort("image");
    FrameImage2D inputImage = getConnectedInputPort("image").pullFrame().asFrameImage2D();
    int[] inDims = inputImage.getDimensions();
    FrameImage2D outputImage = outPort.fetchAvailableFrame(inDims).asFrameImage2D();
    mShader.setSourceQuad(mSourceRect);
    Quad targetQuad = mSourceRect.rotated((float) (mRotateAngle / 180 * Math.PI));
    mShader.setTargetQuad(targetQuad);
    mShader.process(inputImage, outputImage);
    outPort.pushFrame(outputImage);
}

Example 39 with FrameImage2D

use of androidx.media.filterfw.FrameImage2D in project platform_frameworks_base by android.

the class AvgBrightnessFilterTest method testBrightnessFilter.

public void testBrightnessFilter() 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 = 0.35f;
    assertEquals(EXPECTED_RESULT, ((Float) getOutputFrame("brightnessRating").asFrameValue().getValue()).floatValue(), 0.01f);
}

Example 40 with FrameImage2D

use of androidx.media.filterfw.FrameImage2D in project platform_frameworks_base by android.

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);
}