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

Example 81 with OutputPort

use of androidx.media.filterfw.OutputPort 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 82 with OutputPort

use of androidx.media.filterfw.OutputPort 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 83 with OutputPort

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

the class WaveTriggerFilter method onProcess.

@Override
protected synchronized void onProcess() {
    // Check if we were triggered
    if (mTrigger) {
        mInWaveMode = true;
        mTrigger = false;
        mTime = 0.5f;
    }
    // Calculate output value
    float value = 0.5f;
    if (mInWaveMode) {
        value = -Math.abs(mTime - 1f) + 1f;
        mTime += 0.2f;
        if (mTime >= 2f) {
            mInWaveMode = false;
        }
    }
    // Push Value
    OutputPort outPort = getConnectedOutputPort("value");
    FrameValue frame = outPort.fetchAvailableFrame(null).asFrameValue();
    frame.setValue(value);
    outPort.pushFrame(frame);
}

Example 84 with OutputPort

use of androidx.media.filterfw.OutputPort 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 85 with OutputPort

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

the class ColorfulnessFilter method onProcess.

@Override
protected void onProcess() {
    FrameBuffer2D histogramFrame = getConnectedInputPort("histogram").pullFrame().asFrameBuffer2D();
    ByteBuffer byteBuffer = histogramFrame.lockBytes(Frame.MODE_READ);
    byteBuffer.order(ByteOrder.nativeOrder());
    FloatBuffer histogramBuffer = byteBuffer.asFloatBuffer();
    histogramBuffer.rewind();
    // Create a hue histogram from hue-saturation histogram
    int hueBins = histogramFrame.getWidth();
    int saturationBins = histogramFrame.getHeight() - 1;
    float[] hueHistogram = new float[hueBins];
    float total = 0;
    for (int r = 0; r < saturationBins; ++r) {
        float weight = (float) Math.pow(2, r);
        for (int c = 0; c < hueBins; c++) {
            float value = histogramBuffer.get() * weight;
            hueHistogram[c] += value;
            total += value;
        }
    }
    float colorful = 0f;
    for (int c = 0; c < hueBins; ++c) {
        float value = hueHistogram[c] / total;
        if (value > 0f) {
            colorful -= value * ((float) Math.log(value));
        }
    }
    colorful /= Math.log(2);
    histogramFrame.unlock();
    OutputPort outPort = getConnectedOutputPort("score");
    FrameValue frameValue = outPort.fetchAvailableFrame(null).asFrameValue();
    frameValue.setValue(colorful);
    outPort.pushFrame(frameValue);
}