From e5ff2c0c06188ff47706ce62db771b6b45f86b8c Mon Sep 17 00:00:00 2001 From: Marton Balint Date: Wed, 4 Jul 2018 01:23:45 +0200 Subject: [PATCH] avformat/mxfdec: only return stream indexes which have a corresponding track Without this check some crafted files might crash because a packet might be demuxed which have no corresponding mxf track. Signed-off-by: Marton Balint --- libavformat/mxfdec.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavformat/mxfdec.c b/libavformat/mxfdec.c index 3a8e76e51c..996969d1ff 100644 --- a/libavformat/mxfdec.c +++ b/libavformat/mxfdec.c @@ -423,7 +423,7 @@ static int mxf_get_stream_index(AVFormatContext *s, KLVPacket *klv, int body_sid return i; } /* return 0 if only one stream, for OP Atom files with 0 as track number */ - return s->nb_streams == 1 ? 0 : -1; + return s->nb_streams == 1 && s->streams[0]->priv_data ? 0 : -1; } static int find_body_sid_by_offset(MXFContext *mxf, int64_t offset)