This avoids setting a negative number of frames, ending up with a negative average frame rate.
Reported-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind CC: [email protected] --- libavformat/mov.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/libavformat/mov.c b/libavformat/mov.c index c3d857b..e1f2db2 100644 --- a/libavformat/mov.c +++ b/libavformat/mov.c @@ -1724,6 +1724,10 @@ static int mov_read_stts(MOVContext *c, AVIOContext *pb, MOVAtom atom) sample_count=avio_rb32(pb); sample_duration = avio_rb32(pb); + if (sample_count < 0) { + av_log(c->fc, AV_LOG_ERROR, "Invalid sample_count=%d\n", sample_count); + return AVERROR_INVALIDDATA; + } sc->stts_data[i].count= sample_count; sc->stts_data[i].duration= sample_duration; -- 1.7.9.4 _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
