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| author | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-04-02 17:16:39 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@outlook.com> | 2021-04-02 21:43:08 +0200 |
| commit | 82b9da7662bae089d26ef12cd5d98f761011b1fe (patch) | |
| tree | 5d642ee70b0371ad117c292bbd58a82422176ffd | |
| parent | 0ccd2540b0526f7d6f62951840f6149ad021ddf8 (diff) | |
| download | ffmpeg-82b9da7662bae089d26ef12cd5d98f761011b1fe.tar.gz | |
avcodec/av1_metadata_bsf: Check for the existence of units
Fixes a crash with ISOBMFF extradata containing no OBUs.
Reviewed-by: James Almer <jamrial@gmail.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
(cherry picked from commit 8081a0b10f5325b60e885d8823593485019b8a18)
| -rw-r--r-- | libavcodec/av1_metadata_bsf.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/av1_metadata_bsf.c b/libavcodec/av1_metadata_bsf.c index 8cafe461d1..328db5c0da 100644 --- a/libavcodec/av1_metadata_bsf.c +++ b/libavcodec/av1_metadata_bsf.c @@ -120,7 +120,7 @@ static int av1_metadata_update_fragment(AVBSFContext *bsf, AVPacket *pkt, } // If a Temporal Delimiter is present, it must be the first OBU. - if (frag->units[0].type == AV1_OBU_TEMPORAL_DELIMITER) { + if (frag->nb_units && frag->units[0].type == AV1_OBU_TEMPORAL_DELIMITER) { if (ctx->td == BSF_ELEMENT_REMOVE) ff_cbs_delete_unit(frag, 0); } else if (pkt && ctx->td == BSF_ELEMENT_INSERT) { |