If the fragment is empty after parsing (i.e. it contains no OBUs), then
the check for the type of the fragment's first OBU is nonsensical; so
error out in this case just as h264_metadata and hevc_metadata do.
Signed-off-by: Andreas Rheinhardt <andreas.rheinha...@gmail.com>
---
libavcodec/av1_metadata_bsf.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavcodec/av1_metadata_bsf.c b/libavcodec/av1_metadata_bsf.c
index 842b80c201..bb2ca2075b 100644
--- a/libavcodec/av1_metadata_bsf.c
+++ b/libavcodec/av1_metadata_bsf.c
@@ -133,6 +133,12 @@ static int av1_metadata_filter(AVBSFContext *bsf, AVPacket
*pkt)
goto fail;
}
+ if (frag->nb_units == 0) {
+ av_log(bsf, AV_LOG_ERROR, "No OBU in packet.\n");
+ err = AVERROR_INVALIDDATA;
+ goto fail;
+ }
+
for (i = 0; i < frag->nb_units; i++) {
if (frag->units[i].type == AV1_OBU_SEQUENCE_HEADER) {
obu = frag->units[i].content;
--
2.21.0
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