demux: add per-demuxer sub-options

Until now, they were all just added to options.c (e.g. demux_mkv_conf).
This adds a mechanism which can be used to add future options in a
(very) slightly more elegant way.

1 files changed, 3 insertions, 0 deletions

diff --git a/demux/demux.h b/demux/demux.h
index 4c15e074c2..c94f690da0 100644
--- a/demux/demux.h
+++ b/demux/demux.h
@@ -98,6 +98,9 @@ typedef struct demuxer_desc {
     const char *name;      // Demuxer name, used with -demuxer switch
     const char *desc;      // Displayed to user
 
+    // If non-NULL, these are added to the global option list.
+    const struct m_sub_options *options;
+
     // Return 0 on success, otherwise -1
     int (*open)(struct demuxer *demuxer, enum demux_check check);
     // The following functions are all optional