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authorAndreas Rheinhardt <andreas.rheinhardt@gmail.com>2020-07-09 12:07:28 +0200
committerMichael Niedermayer <michael@niedermayer.cc>2021-09-09 13:37:20 +0200
commit4646f94b9cc83facb651a4540f342014cb75f937 (patch)
treee1934abb0c8cd6fd38391fbe62673787c61d937e /libavformat/mm.c
parent14a4be8fb4800fbac9e3e9a884527a7b582591a1 (diff)
downloadffmpeg-4646f94b9cc83facb651a4540f342014cb75f937.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> (cherry picked from commit ec59dc73f0cc8930bf5dae389cd76d049d537ca7) Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
Diffstat (limited to 'libavformat/mm.c')
-rw-r--r--libavformat/mm.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/mm.c b/libavformat/mm.c
index 8a1382e03c..de5f9d6161 100644
--- a/libavformat/mm.c
+++ b/libavformat/mm.c
@@ -174,6 +174,8 @@ static int read_packet(AVFormatContext *s,
return 0;
case MM_TYPE_AUDIO :
+ if (s->nb_streams < 2)
+ return AVERROR_INVALIDDATA;
if (av_get_packet(s->pb, pkt, length)<0)
return AVERROR(ENOMEM);
pkt->stream_index = 1;