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

Example 56 with FrameImage2D

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

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);
}

Example 57 with FrameImage2D

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

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 58 with FrameImage2D

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

the class CropFilter method onProcess.

@Override
protected void onProcess() {
    OutputPort outPort = getConnectedOutputPort("image");
    // Pull input frame
    FrameImage2D inputImage = getConnectedInputPort("image").pullFrame().asFrameImage2D();
    int[] inDims = inputImage.getDimensions();
    int[] croppedDims = { (int) Math.ceil(mCropRect.xEdge().length() * inDims[0]), (int) Math.ceil(mCropRect.yEdge().length() * inDims[1]) };
    int[] outDims = { getOutputWidth(croppedDims[0], croppedDims[1]), getOutputHeight(croppedDims[0], croppedDims[1]) };
    FrameImage2D outputImage = outPort.fetchAvailableFrame(outDims).asFrameImage2D();
    if (isOpenGLSupported()) {
        FrameImage2D sourceFrame;
        Quad sourceQuad = null;
        boolean scaleDown = (outDims[0] < croppedDims[0]) || (outDims[1] < croppedDims[1]);
        if (scaleDown && mUseMipmaps) {
            mPow2Frame = TransformUtils.makeMipMappedFrame(mPow2Frame, croppedDims);
            int[] extDims = mPow2Frame.getDimensions();
            float targetWidth = croppedDims[0] / (float) extDims[0];
            float targetHeight = croppedDims[1] / (float) extDims[1];
            Quad targetQuad = Quad.fromRect(0f, 0f, targetWidth, targetHeight);
            mShader.setSourceQuad(mCropRect);
            mShader.setTargetQuad(targetQuad);
            mShader.process(inputImage, mPow2Frame);
            TransformUtils.generateMipMaps(mPow2Frame);
            sourceFrame = mPow2Frame;
            sourceQuad = targetQuad;
        } else {
            sourceFrame = inputImage;
            sourceQuad = mCropRect;
        }
        mShader.setSourceQuad(sourceQuad);
        mShader.setTargetRect(0f, 0f, 1f, 1f);
        mShader.process(sourceFrame, outputImage);
    } else {
        // Convert quads to canvas coordinate space
        Quad sourceQuad = mCropRect.scale2(inDims[0], inDims[1]);
        Quad targetQuad = Quad.fromRect(0f, 0f, inDims[0], inDims[1]);
        // Calculate transform for crop
        Matrix transform = Quad.getTransform(sourceQuad, targetQuad);
        transform.postScale(outDims[0] / (float) inDims[0], outDims[1] / (float) inDims[1]);
        // Create target canvas
        Bitmap.Config config = Bitmap.Config.ARGB_8888;
        Bitmap cropped = Bitmap.createBitmap(outDims[0], outDims[1], config);
        Canvas canvas = new Canvas(cropped);
        // Draw source bitmap into target canvas
        Paint paint = new Paint();
        paint.setFilterBitmap(true);
        Bitmap sourceBitmap = inputImage.toBitmap();
        canvas.drawBitmap(sourceBitmap, transform, paint);
        // Assign bitmap to output frame
        outputImage.setBitmap(cropped);
    }
    outPort.pushFrame(outputImage);
}

Example 59 with FrameImage2D

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

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);
}

Example 60 with FrameImage2D

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

the class ContrastRatioFilter method onProcess.

@Override
protected void onProcess() {
    FrameImage2D inputImage = getConnectedInputPort("image").pullFrame().asFrameImage2D();
    float contrastRatio;
    ByteBuffer inputBuffer = inputImage.lockBytes(Frame.MODE_READ);
    contrastRatio = contrastOperator(inputImage.getWidth(), inputImage.getHeight(), inputBuffer);
    inputImage.unlock();
    if (mLogVerbose)
        Log.v(TAG, "contrastRatio: " + contrastRatio);
    OutputPort contrastToGoodnessPort = getConnectedOutputPort("contrastRatingToGoodness");
    FrameValue contrastOutFrame2 = contrastToGoodnessPort.fetchAvailableFrame(null).asFrameValue();
    contrastOutFrame2.setValue(contrastRatio);
    contrastToGoodnessPort.pushFrame(contrastOutFrame2);
}