player: filter tags, add --display-tags option

This attempts to increase user-friendliness by excluding useless tags.
It should be especially helpful with mp4 files, because the FFmpeg mp4
demuxer adds tons of completely useless information to the metadata.

Fixes #1403.

1 files changed, 1 insertions, 0 deletions

diff --git a/options/options.h b/options/options.h
index 21f7c100e6..5e24a20d1d 100644
--- a/options/options.h
+++ b/options/options.h
@@ -180,6 +180,7 @@ typedef struct MPOpts {
     char **audio_lang;
     char **sub_lang;
     int audio_display;
+    char **display_tags;
     int sub_visibility;
     int sub_pos;
     float sub_delay;