ffmpeg | branch: master | Michael Niedermayer <mich...@niedermayer.cc> | Sat Dec 23 18:04:32 2023 +0100| [61e73851a33f0b4cb7662f8578a4695e77bd3c19] | committer: Michael Niedermayer
avfilter/f_reverse: Apply PTS compensation only when pts is available Fixes: out of array access Fixes: tickets/10753/poc16ffmpeg Regression since: 45dc668aea0edac34969b5a1ff76cf9ad3a09be1 Found-by: Zeng Yunxiang Signed-off-by: Michael Niedermayer <mich...@niedermayer.cc> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=61e73851a33f0b4cb7662f8578a4695e77bd3c19 --- libavfilter/f_reverse.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libavfilter/f_reverse.c b/libavfilter/f_reverse.c index 086819a207..744f4a3cc8 100644 --- a/libavfilter/f_reverse.c +++ b/libavfilter/f_reverse.c @@ -266,7 +266,8 @@ static int areverse_request_frame(AVFilterLink *outlink) AVFrame *out = s->frames[s->nb_frames - 1]; out->duration = s->duration[s->flush_idx]; out->pts = s->pts[s->flush_idx++] - s->nb_samples; - s->nb_samples += s->pts[s->flush_idx] - s->pts[s->flush_idx - 1] - out->nb_samples; + if (s->nb_frames > 1) + s->nb_samples += s->pts[s->flush_idx] - s->pts[s->flush_idx - 1] - out->nb_samples; if (av_sample_fmt_is_planar(out->format)) reverse_samples_planar(out); _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
