From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Subject: [FFmpeg-devel] [PATCH 1/3] avfilter/vf_ssim360: Fix left-shift of negative value
Date: Sat, 28 Jan 2023 18:07:46 +0100
Message-ID: <GV1P250MB0737E41DDAA7F4F68046F6D78FCD9@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM> (raw)
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavfilter/vf_ssim360.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/vf_ssim360.c b/libavfilter/vf_ssim360.c
index a0bf73da1e..89f5100740 100644
--- a/libavfilter/vf_ssim360.c
+++ b/libavfilter/vf_ssim360.c
@@ -547,7 +547,7 @@ static double ssim360_db(double ssim360, double weight)
static int get_bilinear_sample(const uint8_t *data, BilinearMap *m, int max_value)
{
static const int fixed_point_half = 1 << (FIXED_POINT_PRECISION - 1);
- static const int inv_byte_mask = (-1) << 8;
+ static const int inv_byte_mask = UINT_MAX << 8;
int tl, tr, bl, br, v;
--
2.34.1
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next reply other threads:[~2023-01-28 17:07 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-28 17:07 Andreas Rheinhardt [this message]
2023-01-28 17:09 ` [FFmpeg-devel] [PATCH 2/3] avfilter/vf_ssim360: Don't initialize twice Andreas Rheinhardt
2023-01-28 17:09 ` [FFmpeg-devel] [PATCH 3/3] avfilter/vf_ssim369: Constify AVFilter Andreas Rheinhardt
2023-01-28 17:15 [FFmpeg-devel] [PATCH 1/3] avfilter/vf_ssim360: Fix left-shift of negative value Anton Khirnov
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