m_config: refactor option defaults handling

Keep track of the default values directly, instead of creating a new
instance of the option struct just to get the defaults.

Also get rid of the special handling of m_obj_desc.init_options.
Instead, handle it purely by the option parser. Originally, I wanted to
handle --vo=opengl-hq and --vo=direct3d_shaders with this (by making
them aliases to the real VOs with a different preset), but since --vo
=opengl-hq=help prints the wrong values (as consequence of the
simplification), I'm not doing that, and instead use something
different.

1 files changed, 1 insertions, 0 deletions

diff --git a/video/out/gl_video.h b/video/out/gl_video.h
index 3b21edc223..dcec9f3888 100644
--- a/video/out/gl_video.h
+++ b/video/out/gl_video.h
@@ -49,6 +49,7 @@ struct gl_video_opts {
 };
 
 extern const struct m_sub_options gl_video_conf;
+extern const struct gl_video_opts gl_video_opts_hq_def;
 
 struct gl_video;