From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ffbox0-bg.ffmpeg.org (ffbox0-bg.ffmpeg.org [79.124.17.100]) by master.gitmailbox.com (Postfix) with ESMTPS id 2763348A94 for ; Fri, 15 Aug 2025 21:41:09 +0000 (UTC) Received: from [127.0.1.1] (localhost [127.0.0.1]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTP id 4EC2968C9CC; Sat, 16 Aug 2025 00:41:05 +0300 (EEST) Received: from 1e8b7847f7d1 (code.ffmpeg.org [188.245.149.3]) by ffbox0-bg.ffmpeg.org (Postfix) with ESMTPS id ED53868C9CC for ; Sat, 16 Aug 2025 00:41:03 +0300 (EEST) MIME-Version: 1.0 From: Valerii Zapodovnikov To: ffmpeg-devel@ffmpeg.org Subject: [FFmpeg-devel] =?utf-8?q?=5BPATCH=5D_tests/tiny=5Fssim=3A_fixed_?= =?utf-8?q?mistake_in_ssim=5Fc1_calculation_=28PR_=2320251=29?= X-BeenThere: ffmpeg-devel@ffmpeg.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: FFmpeg development discussions and patches List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: FFmpeg development discussions and patches Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ffmpeg-devel-bounces@ffmpeg.org Sender: "ffmpeg-devel" Message-Id: <20250815214105.4EC2968C9CC@ffbox0-bg.ffmpeg.org> Date: Sat, 16 Aug 2025 00:41:05 +0300 (EEST) Archived-At: List-Archive: List-Post: PR #20251 opened by Valerii Zapodovnikov (Balling) URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20251 Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20251.patch Closes #8529. Reporter uses this code in production. Signed-off-by: Balling >From b8f32ee7615b3f09d089e03606c0657fe9a28108 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 Closes #8529. Reporter uses this code in production. Signed-off-by: Balling --- 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; -- 2.49.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-devel To unsubscribe, visit link above, or email ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe".