From 666e70923f0eea5ae4a5c4e080b6d40bf2423461 Mon Sep 17 00:00:00 2001 From: Balling Date: Fri, 15 Aug 2025 21:40:34 +0000 Subject: [PATCH] tests/tiny_ssim: fixed mistake in ssim_c1 calculation Reporter uses this code in production. Signed-off-by: Valerii Zapodovnikov (cherry picked from commit 8cd74655659ed4cdd4ffbb350cf8763ca9001d83) Signed-off-by: Michael Niedermayer --- tests/tiny_ssim.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/tiny_ssim.c b/tests/tiny_ssim.c index 9740652288..8472fc3b19 100644 --- a/tests/tiny_ssim.c +++ b/tests/tiny_ssim.c @@ -79,11 +79,11 @@ static float ssim_end1( int s1, int s2, int ss, int s12 ) * Maximum value for 9-bit is: ss*64 = (2^9-1)^2*16*4*64 = 1069551616, which will not overflow. */ #if BIT_DEPTH > 9 typedef float type; - static const float ssim_c1 = .01*.01*PIXEL_MAX*PIXEL_MAX*64; + static const float ssim_c1 = .01*.01*PIXEL_MAX*PIXEL_MAX*64*64; static const float ssim_c2 = .03*.03*PIXEL_MAX*PIXEL_MAX*64*63; #else typedef int type; - static const int ssim_c1 = (int)(.01*.01*PIXEL_MAX*PIXEL_MAX*64 + .5); + static const int ssim_c1 = (int)(.01*.01*PIXEL_MAX*PIXEL_MAX*64*64 + .5); static const int ssim_c2 = (int)(.03*.03*PIXEL_MAX*PIXEL_MAX*64*63 + .5); #endif type fs1 = s1;