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

Example 81 with FrameValue

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

the class IfElseFilter method onProcess.

@Override
protected void onProcess() {
    OutputPort outPort = getConnectedOutputPort("output");
    FrameImage2D trueFrame = getConnectedInputPort("trueResult").pullFrame().asFrameImage2D();
    FrameImage2D falseFrame = getConnectedInputPort("falseResult").pullFrame().asFrameImage2D();
    FrameValue boolFrameValue = getConnectedInputPort("condition").pullFrame().asFrameValue();
    boolean condition = (Boolean) boolFrameValue.getValue();
    FrameBuffer2D outputFrame;
    // If the condition is true, then we want to use the camera, else use the gallery
    if (condition) {
        outputFrame = trueFrame;
    } else {
        outputFrame = falseFrame;
    }
    outPort.pushFrame(outputFrame);
}

Example 82 with FrameValue

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

the class ImageGoodnessFilter method onProcess.

/**
     * @see androidx.media.filterfw.Filter#onProcess()
     */
@Override
protected void onProcess() {
    FrameValue sharpnessFrameValue = getConnectedInputPort("sharpness").pullFrame().asFrameValue();
    float sharpness = ((Float) sharpnessFrameValue.getValue()).floatValue();
    FrameValue overExposureFrameValue = getConnectedInputPort("overExposure").pullFrame().asFrameValue();
    float overExposure = ((Float) overExposureFrameValue.getValue()).floatValue();
    FrameValue underExposureFrameValue = getConnectedInputPort("underExposure").pullFrame().asFrameValue();
    float underExposure = ((Float) underExposureFrameValue.getValue()).floatValue();
    FrameValue colorfulnessFrameValue = getConnectedInputPort("colorfulness").pullFrame().asFrameValue();
    float colorfulness = ((Float) colorfulnessFrameValue.getValue()).floatValue();
    FrameValue contrastRatingFrameValue = getConnectedInputPort("contrastRating").pullFrame().asFrameValue();
    float contrastRating = ((Float) contrastRatingFrameValue.getValue()).floatValue();
    FrameValue brightnessFrameValue = getConnectedInputPort("brightness").pullFrame().asFrameValue();
    float brightness = ((Float) brightnessFrameValue.getValue()).floatValue();
    FrameValue motionValuesFrameValue = getConnectedInputPort("motionValues").pullFrame().asFrameValue();
    float[] motionValues = (float[]) motionValuesFrameValue.getValue();
    float vectorAccel = (float) Math.sqrt(Math.pow(motionValues[0], 2) + Math.pow(motionValues[1], 2) + Math.pow(motionValues[2], 2));
    String outStr;
    FrameValue capturingFrameValue = getConnectedInputPort("capturing").pullFrame().asFrameValue();
    boolean capturing = (Boolean) capturingFrameValue.getValue();
    FrameImage2D inputImage = getConnectedInputPort("image").pullFrame().asFrameImage2D();
    // TODO: get rid of magic numbers
    float score = 0.0f;
    score = computePictureScore(vectorAccel, sharpness, underExposure, overExposure, contrastRating, colorfulness, brightness);
    if (scoreMean == 0)
        scoreMean = score;
    else
        scoreMean = scoreMean * (1 - DECAY) + score * DECAY;
    if (motionMean == 0)
        motionMean = vectorAccel;
    else
        motionMean = motionMean * (1 - DECAY) + vectorAccel * DECAY;
    float classifierScore = classifierComputeScore(vectorAccel, sharpness, underExposure, colorfulness, contrastRating, score);
    //        Log.v(TAG, "ClassifierScore:: " + classifierScore);
    final float GREAT_SCORE = 3.5f;
    final float GOOD_SCORE = 2.5f;
    final float OK_SCORE = 1.5f;
    final float BAD_SCORE = 0.5f;
    if (score >= GREAT_SCORE) {
        outStr = GREAT;
    } else if (score >= GOOD_SCORE) {
        outStr = GOOD;
    } else if (score >= OK_SCORE) {
        outStr = OK;
    } else if (score >= BAD_SCORE) {
        outStr = BAD;
    } else {
        outStr = AWFUL;
    }
    if (capturing) {
        if (outStr.equals(GREAT)) {
            // take a picture
            Bitmap bitmap = inputImage.toBitmap();
            new AsyncOperation().execute(bitmap);
            final float RESET_FEATURES = 0.01f;
            sharpnessMean = RESET_FEATURES;
            underExposureMean = RESET_FEATURES;
            overExposureMean = RESET_FEATURES;
            contrastMean = RESET_FEATURES;
            colorfulnessMean = RESET_FEATURES;
            brightnessMean = RESET_FEATURES;
        }
    }
    OutputPort outPort = getConnectedOutputPort("goodOrBadPic");
    FrameValue stringFrame = outPort.fetchAvailableFrame(null).asFrameValue();
    stringFrame.setValue(outStr);
    outPort.pushFrame(stringFrame);
    OutputPort scoreOutPort = getConnectedOutputPort("score");
    FrameValue scoreFrame = scoreOutPort.fetchAvailableFrame(null).asFrameValue();
    scoreFrame.setValue(score);
    scoreOutPort.pushFrame(scoreFrame);
}

Example 83 with FrameValue

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

the class ToStringFilter method onProcess.

@Override
protected void onProcess() {
    FrameValue objectFrame = getConnectedInputPort("object").pullFrame().asFrameValue();
    String outStr = objectFrame.getValue().toString();
    OutputPort outPort = getConnectedOutputPort("string");
    FrameValue stringFrame = outPort.fetchAvailableFrame(null).asFrameValue();
    stringFrame.setValue(outStr);
    outPort.pushFrame(stringFrame);
}

Example 84 with FrameValue

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

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);
}

Example 85 with FrameValue

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

the class NormFilter method onProcess.

@Override
protected void onProcess() {
    FrameValue xFrameValue = getConnectedInputPort("x").pullFrame().asFrameValue();
    float xValue = ((Float) xFrameValue.getValue()).floatValue();
    FrameValue yFrameValue = getConnectedInputPort("y").pullFrame().asFrameValue();
    float yValue = ((Float) yFrameValue.getValue()).floatValue();
    float norm = (float) Math.hypot(xValue, yValue);
    if (mLogVerbose)
        Log.v(TAG, "Norm = " + norm);
    OutputPort outPort = getConnectedOutputPort("norm");
    FrameValue outFrame = outPort.fetchAvailableFrame(null).asFrameValue();
    outFrame.setValue(norm);
    outPort.pushFrame(outFrame);
}