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--- matroska [2013/04/18 19:04]
beandog created
+++ matroska [2018/03/28 00:28] (current)
beandog
@@ Line 1: / Line 1: @@
 ==== Matroska ===
+  * [[mkclean]]
+  * [[mkvmerge]]
 Matroska is my favorite container :D
+  * [[https://trac.bunkus.org/wiki/FAQ%3AImprovingPlaybackCompatibilityWithPlayers|Options for improving playback on players that don't implement the full Matroska specification]] (from mkvtoolnix)
+=== archives: Making a file with chapters ===
+Unlike OGM, MKV can import an MPEG2 vob, if you don't want to
+rip/re-encode.
+<code>mkvmerge --chapters <file> -o movie.mkv dvd.vob</code>
+=== archives: Metadata in mplayer ===
+**Notes:** Now I *know* some of this is outdated because there have been patches sent in to MPlayer after I wrote this, that I've used.  It's helpful as a point of reference though.
+Metadata in mplayer
+<code>
+get_meta_album
+    Print out the 'Album' metadata of the current file.
+get_meta_artist
+    Print out the 'Artist' metadata of the current file.
+get_meta_comment
+    Print out the 'Comment' metadata of the current file.
+get_meta_genre *
+    Print out the 'Genre' metadata of the current file.
+get_meta_title
+    Print out the 'Title' metadata of the current file.
+get_meta_track
+    Print out the 'Track Number' metadata of the current file.
+get_meta_year
+    Print out the 'Year' metadata of the current file.
+</code>
+<code>
+osd_show_property_text "${metadata/title}"
+meta_artist: ARTIST
+meta_comment: COMMENT
+meta_genre: GENRE
+meta_track: PART_NUMBER
+meta_year: DATE_RELEASE
+</code>
+libavformat/matroskadec.c
+(1156)
+<code c>
+av_metadata_set(&s->metadata, "title", matroska->title);
+</code>
+av_metadata_set is in metadata.c
+libmpdemux/demux_lavf.c
+<code c>
+    if(avfc->title    [0]) demux_info_add(demuxer, "title"    , avfc->title    );
+    if(avfc->author   [0]) demux_info_add(demuxer, "author"   , avfc->author   );
+    if(avfc->copyright[0]) demux_info_add(demuxer, "copyright", avfc->copyright);
+    if(avfc->comment  [0]) demux_info_add(demuxer, "comments" , avfc->comment  );
+    if(avfc->album    [0]) demux_info_add(demuxer, "album"    , avfc->album    );
+//    if(avfc->year        ) demux_info_add(demuxer, "year"     , avfc->year     );
+//    if(avfc->track       ) demux_info_add(demuxer, "track"    , avfc->track    );
+    if(avfc->genre    [0]) demux_info_add(demuxer, "genre"    , avfc->genre    );
+</code>
+libavformat/metadata_compat.c
+<code c>
+ compat_tab[] = {
+    { "title",           SIZE_OFFSET(title)     },
+    { "author",          SIZE_OFFSET(author)    },
+    { "copyright",       SIZE_OFFSET(copyright) },
+    { "comment",         SIZE_OFFSET(comment)   },
+    { "album",           SIZE_OFFSET(album)     },
+    { "year",            SIZE_OFFSET(year)      },
+    { "track",           SIZE_OFFSET(track)     },
+    { "genre",           SIZE_OFFSET(genre)     },
+    { "artist",          SIZE_OFFSET(author)    },
+    { "creator",         SIZE_OFFSET(author)    },
+    { "written_by",      SIZE_OFFSET(author)    },
+    { "lead_performer",  SIZE_OFFSET(author)    },
+    { "description",     SIZE_OFFSET(comment)   },
+    { "albumtitle",      SIZE_OFFSET(album)     },
+    { "date_written",    SIZE_OFFSET(year)      },
+    { "date_released",   SIZE_OFFSET(year)      },
+    { "tracknumber",     SIZE_OFFSET(track)     },
+    { "part_number",     SIZE_OFFSET(track)     },
+};
+</code>
+Looks like these are the only ones actually supported:
+<code c>
+    FILL_METADATA_STR(ctx, title);
+    FILL_METADATA_STR(ctx, author);
+    FILL_METADATA_STR(ctx, copyright);
+    FILL_METADATA_STR(ctx, comment);
+    FILL_METADATA_STR(ctx, album);
+    FILL_METADATA_INT(ctx, year);
+    FILL_METADATA_INT(ctx, track);
+    FILL_METADATA_STR(ctx, genre);
+</code>

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