1// -*- c++ -*- 2 3// Searches just the center pixel, in both the old 4// and new fields, but takes averages. This is an even 5// pixel address. Any chroma match will be used. (YUY2) 6// We best like finding 0 motion so we will bias everything we found previously 7// up by a little, and adjust later 8 9#ifdef IS_SSE2 10 "paddusb "_ONES", %%xmm7\n\t" // bias toward no motion 11#else 12 "paddusb "_ONES", %%mm7\n\t" // bias toward no motion 13#endif 14 15 MERGE4PIXavg("(%%"XDI", %%"XCX")", "(%%"XSI", %%"XCX")") // center, in old and new 16