void YUVToRGBManager::convert444(Graphics::Surface *dst, YUVToRGBManager::LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
// Sanity checks
assert(dst && dst->getPixels());
assert(dst->getFormat().bytesPerPixel == 2 || dst->getFormat().bytesPerPixel == 4);
assert(ySrc && uSrc && vSrc);
const YUVToRGBLookup *lookup = getLookup(dst->getFormat(), scale);
// Use a templated function to avoid an if check on every pixel
if (dst->getFormat().bytesPerPixel == 2)
convertYUV444ToRGB<uint16>((byte *)dst->getPixels(), dst->getPitch(), lookup, _colorTab, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
else
convertYUV444ToRGB<uint32>((byte *)dst->getPixels(), dst->getPitch(), lookup, _colorTab, ySrc, uSrc, vSrc, yWidth, yHeight, yPitch, uvPitch);
}
void YUVAToRGBAManager::convert420(Graphics::Surface *dst, YUVAToRGBAManager::LuminanceScale scale, const byte *ySrc, const byte *uSrc, const byte *vSrc, const byte *aSrc, int yWidth, int yHeight, int yPitch, int uvPitch) {
// Sanity checks
assert(dst && dst->pixels);
assert(dst->format.bytesPerPixel == 2 || dst->format.bytesPerPixel == 4);
assert(ySrc && uSrc && vSrc);
assert((yWidth & 1) == 0);
assert((yHeight & 1) == 0);
const YUVAToRGBALookup *lookup = getLookup(dst->format, scale);
// Use a templated function to avoid an if check on every pixel
if (dst->format.bytesPerPixel == 2)
convertYUVA420ToRGBA<uint16>((byte *)dst->pixels, dst->pitch, lookup, _colorTab, ySrc, uSrc, vSrc, aSrc, yWidth, yHeight, yPitch, uvPitch);
else
convertYUVA420ToRGBA<uint32>((byte *)dst->pixels, dst->pitch, lookup, _colorTab, ySrc, uSrc, vSrc, aSrc, yWidth, yHeight, yPitch, uvPitch);
}
int
main(int argc, const char ** const argv) {
struct CmdlineInfo cmdline;
struct pam inpam;
FILE * ifP;
struct pam lookuppam;
tuple ** lookup;
tuplehash lookupHash;
pm_proginit(&argc, argv);
parseCommandLine(argc, argv, &cmdline);
ifP = pm_openr(cmdline.inputFileName);
pnm_readpaminit(ifP, &inpam, PAM_STRUCT_SIZE(tuple_type));
getLookup(cmdline.lookupfile, &lookup, &lookuppam);
if (inpam.depth != lookuppam.depth)
pm_error("The lookup image has depth %u, but the input image "
"has depth %u. They must be the same",
lookuppam.depth, inpam.depth);
if (!streq(inpam.tuple_type, lookuppam.tuple_type))
pm_error("The lookup image has tupel type '%s', "
"but the input image "
"has tuple type '%s'. They must be the same",
lookuppam.tuple_type, inpam.tuple_type);
makeReverseLookupHash(&lookuppam, lookup, &lookupHash);
doUnlookup(&inpam, lookupHash, lookuppam.width-1, stdout);
pm_close(ifP);
pnm_destroytuplehash(lookupHash);
pnm_freepamarray(lookup, &lookuppam);
return 0;
}
