Lines Matching defs:ssd
142 uint64_t ssd = 0;
147 ssd += d*d;
149 return ssd;
152 static double ssd_to_psnr( uint64_t ssd, uint64_t denom )
154 return -10*log((double)ssd/(denom*255*255))/log(10);
162 static void print_results(uint64_t ssd[3], double ssim[3], int frames, int w, int h)
165 ssd_to_psnr( ssd[0], (uint64_t)frames*w*h ),
166 ssd_to_psnr( ssd[1], (uint64_t)frames*w*h/4 ),
167 ssd_to_psnr( ssd[2], (uint64_t)frames*w*h/4 ),
168 ssd_to_psnr( ssd[0] + ssd[1] + ssd[2], (uint64_t)frames*w*h*3/2 ) );
182 uint64_t ssd[3] = {0,0,0};
227 ssd[i] += ssd_one[i];
240 print_results(ssd, ssim, frames, w, h);