demux_mkv: avoid PTS warning with image attachments

Removes an annoying "No video PTS! Making something up." warning.

Mark it as keyframe, which is needed to prevent strange behavior with
PNG. Also, don't leak the picture data.

1 files changed, 5 insertions, 0 deletions

diff --git a/demux/demux_mkv.c b/demux/demux_mkv.c
index 25910d5db6..ed5b2c74a9 100644
--- a/demux/demux_mkv.c
+++ b/demux/demux_mkv.c
@@ -1135,6 +1135,11 @@ static void add_coverart(struct demuxer *demuxer)
             break;
         sh->codec = codec;
         sh->attached_picture = new_demux_packet_from(att->data, att->data_size);
+        if (sh->attached_picture) {
+            sh->attached_picture->pts = 0;
+            talloc_steal(sh, sh->attached_picture);
+            sh->attached_picture->keyframe = true;
+        }
         sh->title = att->name;
     }
 }