@@ -4359,7 +4359,8 @@ static int mov_read_trak(MOVContext *c, AVIOContext *pb, MOVAtom atom)
av_freep(&sc->chunk_offsets);
av_freep(&sc->sample_sizes);
av_freep(&sc->keyframes);
- av_freep(&sc->stts_data);
+ if (st->codecpar->codec_type != AVMEDIA_TYPE_SUBTITLE)
+ av_freep(&sc->stts_data);
av_freep(&sc->stps_data);
av_freep(&sc->elst_data);
av_freep(&sc->rap_group);
@@ -8323,6 +8324,11 @@ static int mov_read_packet(AVFormatContext *s, AVPacket *pkt)
pkt->flags |= sample->flags & AVINDEX_KEYFRAME ? AV_PKT_FLAG_KEY : 0;
pkt->pos = sample->pos;
+ if (sc->stts_data && st->codecpar->codec_type == AVMEDIA_TYPE_SUBTITLE) {
+ if (sc->current_index <= sc->stts_count && sc->current_index > 0)
+ pkt->duration = sc->stts_data[sc->current_index - 1].duration;
+ }
+
/* Multiple stsd handling. */
if (sc->stsc_data) {
/* Keep track of the stsc index for the given sample, then check
Fixes #7855 Signed-off-by: Paul B Mahol <onemda@gmail.com> --- libavformat/mov.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-)