This is an automated email from the git hooks/post-receive script.
Git pushed a commit to branch master
in repository ffmpeg.
The following commit(s) were added to refs/heads/master by this push:
new 97ea5da419 avfilter/vf_scale: split rational multiply
97ea5da419 is described below
commit 97ea5da41993481f25ea44d5510fdca2d194549c
Author: Michael Niedermayer <[email protected]>
AuthorDate: Sat May 30 22:05:34 2026 +0200
Commit: michaelni <[email protected]>
CommitDate: Sun May 31 21:20:54 2026 +0000
avfilter/vf_scale: split rational multiply
Fixes: integer overflow in SAR
Found-by: jiale yao
Signed-off-by: Michael Niedermayer <[email protected]>
---
libavfilter/vf_scale.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/libavfilter/vf_scale.c b/libavfilter/vf_scale.c
index aa506ff53c..f2d3021080 100644
--- a/libavfilter/vf_scale.c
+++ b/libavfilter/vf_scale.c
@@ -658,7 +658,8 @@ static int config_props(AVFilterLink *outlink)
if (scale->reset_sar)
outlink->sample_aspect_ratio = (AVRational){1, 1};
else if (inlink0->sample_aspect_ratio.num){
- outlink->sample_aspect_ratio = av_mul_q((AVRational){outlink->h *
inlink0->w, outlink->w * inlink0->h}, inlink0->sample_aspect_ratio);
+ AVRational q = av_div_q((AVRational){inlink0->w, inlink0->h},
(AVRational){outlink->w, outlink->h});
+ outlink->sample_aspect_ratio = av_mul_q(q,
inlink0->sample_aspect_ratio);
} else
outlink->sample_aspect_ratio = inlink0->sample_aspect_ratio;
_______________________________________________
ffmpeg-cvslog mailing list -- [email protected]
To unsubscribe send an email to [email protected]
