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Searched refs:ssim_c2 (Results 1 – 3 of 3) sorted by relevance

/third_party/ffmpeg/tests/
Dtiny_ssim.c84 static const float ssim_c2 = .03*.03*PIXEL_MAX*PIXEL_MAX*64*63; in ssim_end1() local
88 static const int ssim_c2 = (int)(.03*.03*PIXEL_MAX*PIXEL_MAX*64*63 + .5); in ssim_end1()
96 return (float)(2*fs1*fs2 + ssim_c1) * (float)(2*covar + ssim_c2) in ssim_end1()
97 / ((float)(fs1*fs1 + fs2*fs2 + ssim_c1) * (float)(vars + ssim_c2)); in ssim_end1()
/third_party/ffmpeg/libavfilter/
Dvf_ssim.c166 int64_t ssim_c2 = (int64_t)(.03*.03*max*max*64*63 + .5); in ssim_end1x() local
175 return (float)(2 * fs1 * fs2 + ssim_c1) * (float)(2 * covar + ssim_c2) in ssim_end1x()
176 / ((float)(fs1 * fs1 + fs2 * fs2 + ssim_c1) * (float)(vars + ssim_c2)); in ssim_end1x()
182 static const int ssim_c2 = (int)(.03*.03*255*255*64*63 + .5); in ssim_end1() local
191 return (float)(2 * fs1 * fs2 + ssim_c1) * (float)(2 * covar + ssim_c2) in ssim_end1()
192 / ((float)(fs1 * fs1 + fs2 * fs2 + ssim_c1) * (float)(vars + ssim_c2)); in ssim_end1()
/third_party/ffmpeg/libavfilter/x86/
Dvf_ssim.asm29 ssim_c2: times 4 dd 235963 ;(.03*.03*255*255*64*63 + .5) label
205 paddd m3, [ssim_c2] ; variance + ssim_c2
206 paddd m4, [ssim_c2] ; 2 * covariance + ssim_c2