public int process(Buffer in, Buffer out) {
out.setMetaTo(in);
if (in.isFlag(DISCARD)) {
return CODEC_OK;
}
out.format = outputFormat;
SeekableByteArrayOutputStream tmp;
if (out.data instanceof byte[]) {
tmp = new SeekableByteArrayOutputStream((byte[]) out.data);
} else {
tmp = new SeekableByteArrayOutputStream();
}
Format vf = outputFormat;
// Handle sub-image
Rectangle r;
int scanlineStride;
if (in.data instanceof BufferedImage) {
BufferedImage image = (BufferedImage) in.data;
WritableRaster raster = image.getRaster();
scanlineStride = raster.getSampleModel().getWidth();
r = raster.getBounds();
r.x -= raster.getSampleModelTranslateX();
r.y -= raster.getSampleModelTranslateY();
} else {
r = new Rectangle(0, 0, vf.get(WidthKey), vf.get(HeightKey));
scanlineStride = vf.get(WidthKey);
}
try {
switch (vf.get(DepthKey)) {
case 8:
{
writeKey8(
tmp,
getIndexed8(in),
r.width,
r.height,
r.x + r.y * scanlineStride,
scanlineStride);
break;
}
case 16:
{
writeKey16(
tmp, getRGB15(in), r.width, r.height, r.x + r.y * scanlineStride, scanlineStride);
break;
}
case 24:
{
writeKey24(
tmp, getRGB24(in), r.width, r.height, r.x + r.y * scanlineStride, scanlineStride);
break;
}
case 32:
{
writeKey24(
tmp, getARGB32(in), r.width, r.height, r.x + r.y * scanlineStride, scanlineStride);
break;
}
default:
{
out.setFlag(DISCARD);
return CODEC_FAILED;
}
}
out.format = outputFormat;
out.sampleCount = 1;
out.setFlag(KEYFRAME);
out.data = tmp.getBuffer();
out.offset = 0;
out.length = (int) tmp.getStreamPosition();
return CODEC_OK;
} catch (IOException ex) {
ex.printStackTrace();
out.setFlag(DISCARD);
return CODEC_FAILED;
}
}
