diff --git a/include/media/mediaplayer.h b/include/media/mediaplayer.h
index 1afd7f7..923c8b2 100644
--- a/include/media/mediaplayer.h
+++ b/include/media/mediaplayer.h
@@ -48,6 +48,7 @@
     MEDIA_TIMED_TEXT        = 99,
     MEDIA_ERROR             = 100,
     MEDIA_INFO              = 200,
+    MEDIA_SUBTITLE_DATA     = 201,
 };
 
 // Generic error codes for the media player framework.  Errors are fatal, the
@@ -176,6 +177,7 @@
     MEDIA_TRACK_TYPE_VIDEO = 1,
     MEDIA_TRACK_TYPE_AUDIO = 2,
     MEDIA_TRACK_TYPE_TIMEDTEXT = 3,
+    MEDIA_TRACK_TYPE_SUBTITLE = 4,
 };
 
 // ----------------------------------------------------------------------------