DataAsSound.java 文件源码

@Override
public byte[] glitchPixels(byte[] inputImageBytes) throws Exception 
{
    int audioBitRate = ((Integer) getPixelGlitchParameters().get("bitRateBlend")).intValue();
    float bitRateBlend = (float) audioBitRate / 10;
    if(bitRateBlend < 0.1F || bitRateBlend > 0.9F)
    {
        return null;
    }

    BufferedImage inputImage = ImageUtil.getImageFromBytes(inputImageBytes);
    InputStream imageInputStream = new ByteArrayInputStream(inputImageBytes);
    AudioInputStream distortionAudioStream = new AudioInputStream(imageInputStream, new AudioFormat(AudioFormat.Encoding.ULAW, ThreadLocalRandom.current().nextInt(8000,  20000), 8, 5, 9, ThreadLocalRandom.current().nextInt(8000,  20000), true), inputImageBytes.length);
    ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
    AudioSystem.write(distortionAudioStream, Type.WAVE, outputStream);
    BufferedImage outputImage = new BufferedImage(inputImage.getWidth(), inputImage.getHeight(), BufferedImage.TYPE_4BYTE_ABGR);
    byte[] imageData = ((DataBufferByte) outputImage.getRaster().getDataBuffer()).getData();
    System.arraycopy(outputStream.toByteArray(),0,imageData,0,outputStream.toByteArray().length);
    int[] abgrOffsets = {3, 2, 1, 0}; 
    DataBuffer outputBuffer = new DataBufferByte(imageData, imageData.length);
    WritableRaster raster = Raster.createInterleavedRaster(outputBuffer, inputImage.getWidth(), inputImage.getHeight(), 4 * inputImage.getWidth(), 4, abgrOffsets, null);
    ColorModel colorModel = new ComponentColorModel(ColorSpace.getInstance(ColorSpace.CS_sRGB), true, false, Transparency.TRANSLUCENT, DataBuffer.TYPE_BYTE);
    BufferedImage rasterizedImage = new BufferedImage(colorModel, raster, colorModel.isAlphaPremultiplied(), null);
    rasterizedImage = resizeImage(rasterizedImage, inputImage.getWidth() * 4, inputImage.getHeight() * 4);
    Graphics2D g2d = rasterizedImage.createGraphics();
    g2d.setComposite(AlphaComposite.SrcOver.derive(bitRateBlend));
    g2d.drawImage(inputImage, 0, 0, null);
    g2d.dispose();
    rasterizedImage = rasterizedImage.getSubimage(0, 0, inputImage.getWidth(), inputImage.getHeight());
    return ImageUtil.getImageBytes(rasterizedImage);
}