diff options
Diffstat (limited to 'libavformat/dvenc.c')
-rw-r--r-- | libavformat/dvenc.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libavformat/dvenc.c b/libavformat/dvenc.c index 98faf06fb7..cd22e97684 100644 --- a/libavformat/dvenc.c +++ b/libavformat/dvenc.c @@ -300,9 +300,11 @@ DVMuxContext* dv_init_mux(AVFormatContext* s) for (i=0; i<s->nb_streams; i++) { switch (s->streams[i]->codec->codec_type) { case CODEC_TYPE_VIDEO: + if (vst) return NULL; vst = s->streams[i]; break; case CODEC_TYPE_AUDIO: + if (c->n_ast > 1) return NULL; c->ast[c->n_ast++] = s->streams[i]; break; default: |