Also check that segment delta pts is always bigger than input pts.
There is nothing much currently that can be done to recover from
this situation so just return AVERROR_INVALIDDATA error code.
Signed-off-by: Paul B Mahol <one...@gmail.com>
---
libavfilter/avf_concat.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/libavfilter/avf_concat.c b/libavfilter/avf_concat.c
index 5608ed9ac6..df6414704d 100644
--- a/libavfilter/avf_concat.c
+++ b/libavfilter/avf_concat.c
@@ -251,6 +251,10 @@ static int send_silence(AVFilterContext *ctx, unsigned
in_no, unsigned out_no,
if (!rate_tb.den)
return AVERROR_BUG;
+ if (cat->in[in_no].pts < INT64_MIN + seg_delta)
+ return AVERROR_INVALIDDATA;
+ if (seg_delta < cat->in[in_no].pts)
+ return AVERROR_INVALIDDATA;
nb_samples = av_rescale_q(seg_delta - cat->in[in_no].pts,
outlink->time_base, rate_tb);
frame_nb_samples = FFMAX(9600, rate_tb.den / 5); /* arbitrary */
--
2.17.1
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
