sd_add: add terrible hack for (xy-)vsfilter compatibility

Much has been said about this topic, we don't need to say even more.

See additions to options.rst.

1 files changed, 1 insertions, 0 deletions

diff --git a/sub/dec_sub.h b/sub/dec_sub.h
index 3fb35deace..b269326cac 100644
--- a/sub/dec_sub.h
+++ b/sub/dec_sub.h
@@ -18,6 +18,7 @@ struct sd;
 
 enum sd_ctrl {
     SD_CTRL_SUB_STEP,
+    SD_CTRL_SET_VIDEO_PARAMS,
 };
 
 struct dec_sub *sub_create(struct MPOpts *opts);