From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
To: ffmpeg-devel@ffmpeg.org
Cc: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Subject: [FFmpeg-devel] [PATCH 6/7] avfilter/phase_template: Fix left-shift of negative numbers
Date: Sun, 6 Nov 2022 17:31:00 +0100
Message-ID: <GV1P250MB07375A047FEECE27E59B7DD58F3D9@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM> (raw)
In-Reply-To: <GV1P250MB073755CC994F87E01FD0373A8F3D9@GV1P250MB0737.EURP250.PROD.OUTLOOK.COM>
Affected the filter-phase FATE-test.
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
libavfilter/phase_template.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavfilter/phase_template.c b/libavfilter/phase_template.c
index 491612b826..8450670234 100644
--- a/libavfilter/phase_template.c
+++ b/libavfilter/phase_template.c
@@ -46,7 +46,7 @@
*
* (The result is actually multiplied by 25)
*/
-#define DIFF(a, as, b, bs) ((t) = ((*(a) - (b)[bs]) << 2) + (a)[(as) << 1] - (b)[-(bs)], (t) * (t))
+#define DIFF(a, as, b, bs) ((t) = ((*(a) - (b)[bs]) * 4) + (a)[(as) * 2] - (b)[-(bs)], (t) * (t))
/*
* Find which field combination has the smallest average squared difference
--
2.34.1
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next prev parent reply other threads:[~2022-11-06 16:31 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-06 16:27 [FFmpeg-devel] [PATCH 1/7] postproc/postprocess: Remove obsolete MMX(EXT)/3Dnow functions Andreas Rheinhardt
2022-11-06 16:30 ` [FFmpeg-devel] [PATCH 2/7] avcodec/x86/cavsdsp: Remove unused 3DNow-macro Andreas Rheinhardt
2022-11-06 16:30 ` [FFmpeg-devel] [PATCH 3/7] swscale/utils: Remove obsolete 3DNow reference Andreas Rheinhardt
2022-11-06 16:30 ` [FFmpeg-devel] [PATCH 4/7] postproc/postprocess_template: Fix alignment Andreas Rheinhardt
2022-11-06 16:30 ` [FFmpeg-devel] [PATCH 5/7] avfilter/vf_qp: Don't store NAN in int Andreas Rheinhardt
2022-11-06 16:31 ` Andreas Rheinhardt [this message]
2022-11-06 16:31 ` [FFmpeg-devel] [PATCH 7/7] avfilter/vf_hqdn3d: Fix left-shift of negative numbers Andreas Rheinhardt
2022-11-08 15:41 ` [FFmpeg-devel] [PATCH 1/7] postproc/postprocess: Remove obsolete MMX(EXT)/3Dnow functions Andreas Rheinhardt
2022-11-08 15:43 ` Paul B Mahol
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