[FFmpeg-cvslog] avformat/matroska: add missing Buttons track type

[Steve Lhomme]

ffmpeg | branch: master | Steve Lhomme <robux4 at ycbcr.xyz> | Sun Mar 22 09:59:20 2020 +0100| [a95351ea502296f2ce420dc1e4feeeb2e536a0be] | committer: Andreas Rheinhardt

avformat/matroska: add missing Buttons track type

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at gmail.com>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=a95351ea502296f2ce420dc1e4feeeb2e536a0be
---

 libavformat/matroska.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libavformat/matroska.h b/libavformat/matroska.h
index 86968a8de1..9e33e51c94 100644
--- a/libavformat/matroska.h
+++ b/libavformat/matroska.h
@@ -271,6 +271,7 @@ typedef enum {
   MATROSKA_TRACK_TYPE_COMPLEX  = 0x3,
   MATROSKA_TRACK_TYPE_LOGO     = 0x10,
   MATROSKA_TRACK_TYPE_SUBTITLE = 0x11,
+  MATROSKA_TRACK_TYPE_BUTTONS  = 0x12,
   MATROSKA_TRACK_TYPE_CONTROL  = 0x20,
   MATROSKA_TRACK_TYPE_METADATA = 0x21,
 } MatroskaTrackType;