143     uint64_t ssd = 0;  in ssd_plane()  local
148         ssd += d*d;  in ssd_plane()
150     return ssd;  in ssd_plane()
153 static double ssd_to_psnr( uint64_t ssd, uint64_t denom )  in ssd_to_psnr()  argument
155     return -10*log((double)ssd/(denom*255*255))/log(10);  in ssd_to_psnr()
163 static void print_results(uint64_t ssd[3], double ssim[3], int frames, int w, int h)  in print_results()
166             ssd_to_psnr( ssd[0], (uint64_t)frames*w*h ),  in print_results()
167             ssd_to_psnr( ssd[1], (uint64_t)frames*w*h/4 ),  in print_results()
168             ssd_to_psnr( ssd[2], (uint64_t)frames*w*h/4 ),  in print_results()
169             ssd_to_psnr( ssd[0] + ssd[1] + ssd[2], (uint64_t)frames*w*h*3/2 ) );  in print_results()
183     uint64_t ssd[3] = {0,0,0};  in main()  local
228             ssd[i] += ssd_one[i];  in main()
241     print_results(ssd, ssim, frames, w, h);  in main()