1 files changed, 14 insertions, 0 deletions
diff --git a/libavformat/matroska.h b/libavformat/matroska.h
index 8ad89da2de..13155e5ed0 100644
--- a/libavformat/matroska.h
+++ b/libavformat/matroska.h
@@ -317,6 +317,20 @@ typedef enum {
   MATROSKA_VIDEO_DISPLAYUNIT_UNKNOWN     = 4,
 } MatroskaVideoDisplayUnit;
 
+typedef enum {
+  MATROSKA_COLOUR_CHROMASITINGHORZ_UNDETERMINED     = 0,
+  MATROSKA_COLOUR_CHROMASITINGHORZ_LEFT             = 1,
+  MATROSKA_COLOUR_CHROMASITINGHORZ_HALF             = 2,
+  MATROSKA_COLOUR_CHROMASITINGHORZ_NB
+} MatroskaColourChromaSitingHorz;
+
+typedef enum {
+  MATROSKA_COLOUR_CHROMASITINGVERT_UNDETERMINED     = 0,
+  MATROSKA_COLOUR_CHROMASITINGVERT_TOP              = 1,
+  MATROSKA_COLOUR_CHROMASITINGVERT_HALF             = 2,
+  MATROSKA_COLOUR_CHROMASITINGVERT_NB
+} MatroskaColourChromaSitingVert;
+
 /*
  * Matroska Codec IDs, strings
  */