2 files changed, 7 insertions, 0 deletions
diff --git a/video/out/vo.c b/video/out/vo.c
index 3e6a2c7070..afd4b4c792 100644
--- a/video/out/vo.c
+++ b/video/out/vo.c
@@ -173,6 +173,7 @@ static bool get_desc(struct m_obj_desc *dst, int index)
         .priv_defaults = vo->priv_defaults,
         .options = vo->options,
         .global_opts = vo->global_opts,
+        .legacy_prefix = vo->legacy_prefix,
         .hidden = vo->encode || !strcmp(vo->name, "opengl-cb"),
         .p = vo,
     };
diff --git a/video/out/vo.h b/video/out/vo.h
index 6a6101692c..e3258a39ff 100644
--- a/video/out/vo.h
+++ b/video/out/vo.h
@@ -295,11 +295,17 @@ struct vo_driver {
     const void *priv_defaults;
 
     // List of options to parse into priv struct (requires priv_size to be set)
+    // Deprecated. Use global options or global_opts instead.
     const struct m_option *options;
 
     // Global options to register if the VO is compiled in.
     // mp_get_config_group() or other function can be used to access them.
     const struct m_sub_options *global_opts;
+
+    // Evil hack: add .options as global options, using the provided prefix.
+    // For further evilness, the options will be copied to the priv struct
+    // like with normal .options behavior.
+    const char *legacy_prefix;
 };
 
 struct vo {