From b55e09307581e45746f11a2eab2409a389c79012 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Sat, 23 Aug 2014 04:48:39 +0200
Subject: [PATCH] demux_lavf: fix crash with unknown streams
Could happen with DVD .vob files.
---
demux/demux_lavf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/demux/demux_lavf.c b/demux/demux_lavf.c
index 2733e04fd4..d8d177e27e 100644
--- a/demux/demux_lavf.c
+++ b/demux/demux_lavf.c
@@ -616,7 +616,7 @@ static void update_metadata(demuxer_t *demuxer, AVPacket *pkt)
if (priv->merge_track_metadata) {
for (int n = 0; n < priv->num_streams; n++) {
AVStream *st = priv->streams[n] ? priv->avfc->streams[n] : NULL;
- if (st->event_flags & AVSTREAM_EVENT_FLAG_METADATA_UPDATED) {
+ if (st && st->event_flags & AVSTREAM_EVENT_FLAG_METADATA_UPDATED) {
mp_tags_copy_from_av_dictionary(demuxer->metadata, st->metadata);
st->event_flags = 0;
demux_changed(demuxer, DEMUX_EVENT_METADATA);