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; }