Without this the mov demuxer can return a large number of empty packets.
Signed-off-by: Andreas Cadhalpun <[email protected]>
---
libavformat/mov.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/libavformat/mov.c b/libavformat/mov.c
index f6f07be..a6290d1 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -4260,6 +4260,11 @@ static int mov_read_packet(AVFormatContext *s, AVPacket
*pkt)
sample->size = FFMIN(sample->size, (mov->next_root_atom -
sample->pos));
}
+ if (!sample->size) {
+ av_log(s, AV_LOG_ERROR, "sample size is zero\n");
+ return AVERROR_INVALIDDATA;
+ }
+
if (st->discard != AVDISCARD_ALL) {
if (avio_seek(sc->pb, sample->pos, SEEK_SET) != sample->pos) {
av_log(mov->fc, AV_LOG_ERROR, "stream %d, offset 0x%"PRIx64":
partial file\n",
--
2.1.4
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