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| author | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-07-09 12:07:28 +0200 |
|---|---|---|
| committer | Andreas Rheinhardt <andreas.rheinhardt@gmail.com> | 2020-07-10 20:36:31 +0200 |
| commit | ec59dc73f0cc8930bf5dae389cd76d049d537ca7 (patch) | |
| tree | 14176ad87d54a5c90ea8e6ad095de6785e886ec2 /libavformat/mm.c | |
| parent | 79e8d17024e6c6328a40fcee191ffd70798a9c6e (diff) | |
| download | ffmpeg-ec59dc73f0cc8930bf5dae389cd76d049d537ca7.tar.gz | |
avformat/mm: Check for existence of audio stream
No audio stream is created unconditionally and if none has been created,
no packet with stream_index 1 may be returned. This fixes an assert in
ff_read_packet() in libavformat/utils reported in ticket #8782.
Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavformat/mm.c')
| -rw-r--r-- | libavformat/mm.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/mm.c b/libavformat/mm.c index d40fd12acc..02ffbcd824 100644 --- a/libavformat/mm.c +++ b/libavformat/mm.c @@ -175,6 +175,8 @@ static int read_packet(AVFormatContext *s, return 0; case MM_TYPE_AUDIO : + if (s->nb_streams < 2) + return AVERROR_INVALIDDATA; if ((ret = av_get_packet(s->pb, pkt, length)) < 0) return ret; pkt->stream_index = 1; |