according to the CAF specification:
"... the value for mChunkSize can be greater than the actual valid content
of the packet table chunk"
---
libavformat/cafdec.c | 5 +++--
1 files changed, 3 insertions(+), 2 deletions(-)
diff --git a/libavformat/cafdec.c b/libavformat/cafdec.c
index 0475175..6e5b2c8 100644
--- a/libavformat/cafdec.c
+++ b/libavformat/cafdec.c
@@ -188,10 +188,11 @@ static int read_pakt_chunk(AVFormatContext *s, int64_t
size)
st->duration += caf->frames_per_packet ? caf->frames_per_packet :
ff_mp4_read_descr_len(pb);
}
- if (avio_tell(pb) - ccount != size) {
+ if (avio_tell(pb) - ccount > size) {
av_log(s, AV_LOG_ERROR, "error reading packet table\n");
- return -1;
+ return AVERROR_INVALIDDATA;
}
+ avio_skip(pb, ccount + size - avio_tell(pb));
caf->num_bytes = pos;
return 0;
--
1.7.1
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