cu                552 modules/motion_detector.c     register int x, y, uvx, cy, cu, cv;
cu                563 modules/motion_detector.c             cu = (int)img[y + uvx] - 128;
cu                567 modules/motion_detector.c             cu = (signed char)img[y + uvx];
cu                570 modules/motion_detector.c             curr += clip(((cy<<12) - cu*1411 - cv*2925 + 2048)>>12);    // G
cu                579 modules/motion_detector.c     register int x, y, uvx, cy, cu;
cu                590 modules/motion_detector.c             cu = (int)img[y + uvx] - 128;
cu                593 modules/motion_detector.c             cu = (signed char)img[y + uvx];
cu                595 modules/motion_detector.c             curr += clip(((cy<<12) + cu*7258 + 2048)>>12);      // B