command: add commands for displaying overlays

Requested by github issue #255.

Does not work where mmap is not available (i.e. Windows).

1 files changed, 3 insertions, 0 deletions

diff --git a/sub/sub.h b/sub/sub.h
index 1118fec5c1..64e10193ea 100644
--- a/sub/sub.h
+++ b/sub/sub.h
@@ -91,6 +91,7 @@ enum mp_osdtype {
     OSDTYPE_OSD,
 
     OSDTYPE_EXTERNAL,
+    OSDTYPE_EXTERNAL2,
 
     MAX_OSD_PARTS
 };
@@ -144,6 +145,8 @@ struct osd_state {
     // OSDTYPE_EXTERNAL
     char *external;
     int external_res_x, external_res_y;
+    // OSDTYPE_EXTERNAL2
+    struct sub_bitmaps external2;
     // OSDTYPE_SUB
     struct dec_sub *dec_sub;