private Control getControl() {
if (control == null) {
control = new JAIControl();
control.setConvolutionChoices(kernelNames);
}
int index = control.getEffectIndex();
return control;
}
public int process(Buffer inBuffer, Buffer outBuffer) {
try {
if (frameConverter == null) {
frameConverter = new BufferToImage((VideoFormat) inBuffer.getFormat());
}
// Convert the Buffer to an AWT Image.
Image frameImage = frameConverter.createImage(inBuffer);
// Derive a JAI image from the AWT image.
PlanarImage jaiImage = JAI.create("AWTImage", frameImage);
int index;
boolean emboss = false;
if (control != null) {
index = control.getEffectIndex();
if (control.getEffectName().equals("None")) {
outBuffer.setData(inBuffer.getData());
outBuffer.setFormat(inBuffer.getFormat());
outBuffer.setFlags(inBuffer.getFlags());
outBuffer.setLength(inBuffer.getLength());
return BUFFER_PROCESSED_OK;
}
if (control.getEffectName().equals("Emboss")) {
emboss = true; // Special case
}
} else index = 0;
if (kernels[index] == null) {
kernels[index] = new KernelJAI(3, 3, matrices[index]);
}
jaiImage = JAI.create("convolve", jaiImage, kernels[index]);
if (emboss) { // add 128 to make it brighter
double[] constants = new double[] {128., 128., 128.};
ParameterBlock pb = new ParameterBlock();
pb.addSource(jaiImage);
pb.add(constants);
jaiImage = JAI.create("addconst", pb, null);
}
// Now convert the image to a buffer
BufferedImage bim = jaiImage.getAsBufferedImage();
Buffer out = ImageToBuffer.createBuffer(bim, 15.F);
if (out == null) {
if (debug) {
System.out.println("ImageToBuffer returned null");
}
return BUFFER_PROCESSED_FAILED;
}
outBuffer.setData(out.getData());
outBuffer.setFormat(out.getFormat());
outBuffer.setFlags(out.getFlags());
outBuffer.setLength(out.getLength());
} catch (Exception e) {
System.err.println(e);
return BUFFER_PROCESSED_FAILED;
} catch (Error e) {
System.err.println(e);
return BUFFER_PROCESSED_FAILED;
}
return BUFFER_PROCESSED_OK;
}