Examples with MutableFrameFormat android.filterfw.core.MutableFrameFormat used on opensource projects

Example 31 with MutableFrameFormat

use of android.filterfw.core.MutableFrameFormat in project android_frameworks_base by DirtyUnicorns.

the class ImageStitcher method calcOutputFormatForInput.

private FrameFormat calcOutputFormatForInput(FrameFormat format) {
    MutableFrameFormat outputFormat = format.mutableCopy();
    mInputWidth = format.getWidth();
    mInputHeight = format.getHeight();
    mSliceWidth = mInputWidth - 2 * mPadSize;
    mSliceHeight = mInputHeight - 2 * mPadSize;
    mImageWidth = mSliceWidth * mXSlices;
    mImageHeight = mSliceHeight * mYSlices;
    outputFormat.setDimensions(mImageWidth, mImageHeight);
    return outputFormat;
}

Example 32 with MutableFrameFormat

use of android.filterfw.core.MutableFrameFormat in project android_frameworks_base by DirtyUnicorns.

the class ToPackedGrayFilter method process.

@Override
public void process(FilterContext context) {
    Frame input = pullInput("image");
    FrameFormat inputFormat = input.getFormat();
    FrameFormat outputFormat = convertInputFormat(inputFormat);
    int ow = outputFormat.getWidth();
    int oh = outputFormat.getHeight();
    checkOutputDimensions(ow, oh);
    mProgram.setHostValue("pix_stride", 1.0f / ow);
    // Do the RGBA to luminance conversion.
    MutableFrameFormat tempFrameFormat = inputFormat.mutableCopy();
    tempFrameFormat.setDimensions(ow / 4, oh);
    Frame temp = context.getFrameManager().newFrame(tempFrameFormat);
    mProgram.process(input, temp);
    // Read frame from GPU to CPU.
    Frame output = context.getFrameManager().newFrame(outputFormat);
    output.setDataFromFrame(temp);
    temp.release();
    // Push output and yield ownership.
    pushOutput("image", output);
    output.release();
}

Example 33 with MutableFrameFormat

use of android.filterfw.core.MutableFrameFormat in project android_frameworks_base by DirtyUnicorns.

the class FixedRotationFilter method process.

@Override
public void process(FilterContext context) {
    Frame input = pullInput("image");
    if (mRotation == 0) {
        pushOutput("image", input);
        return;
    }
    FrameFormat inputFormat = input.getFormat();
    // Create program if not created already
    if (mProgram == null) {
        mProgram = ShaderProgram.createIdentity(context);
    }
    MutableFrameFormat outputFormat = inputFormat.mutableCopy();
    int width = inputFormat.getWidth();
    int height = inputFormat.getHeight();
    Point p1 = new Point(0.0f, 0.0f);
    Point p2 = new Point(1.0f, 0.0f);
    Point p3 = new Point(0.0f, 1.0f);
    Point p4 = new Point(1.0f, 1.0f);
    Quad sourceRegion;
    switch(((int) Math.round(mRotation / 90f)) % 4) {
        case 1:
            sourceRegion = new Quad(p3, p1, p4, p2);
            outputFormat.setDimensions(height, width);
            break;
        case 2:
            sourceRegion = new Quad(p4, p3, p2, p1);
            break;
        case 3:
            sourceRegion = new Quad(p2, p4, p1, p3);
            outputFormat.setDimensions(height, width);
            break;
        case 0:
        default:
            sourceRegion = new Quad(p1, p2, p3, p4);
            break;
    }
    // Create output frame
    Frame output = context.getFrameManager().newFrame(outputFormat);
    // Set the source region
    mProgram.setSourceRegion(sourceRegion);
    // Process
    mProgram.process(input, output);
    // Push output
    pushOutput("image", output);
    // Release pushed frame
    output.release();
}

Example 34 with MutableFrameFormat

use of android.filterfw.core.MutableFrameFormat in project android_frameworks_base by DirtyUnicorns.

the class ToRGBAFilter method getConvertedFormat.

public FrameFormat getConvertedFormat(FrameFormat format) {
    MutableFrameFormat result = format.mutableCopy();
    result.setMetaValue(ImageFormat.COLORSPACE_KEY, ImageFormat.COLORSPACE_RGBA);
    result.setBytesPerSample(4);
    return result;
}

Example 35 with MutableFrameFormat

use of android.filterfw.core.MutableFrameFormat in project android_frameworks_base by DirtyUnicorns.

the class ToRGBFilter method setupPorts.

@Override
public void setupPorts() {
    MutableFrameFormat mask = new MutableFrameFormat(FrameFormat.TYPE_BYTE, FrameFormat.TARGET_NATIVE);
    mask.setDimensionCount(2);
    addMaskedInputPort("image", mask);
    addOutputBasedOnInput("image", "image");
}