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taglist: add a tag for midi base note numbers

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Audio files containing sampled instruments can have metadata describing the note
that was played on the instrument.
This commit is contained in:
Stefan Sauer 2013-12-30 14:22:37 +01:00
parent 901cd5560c
commit cb218f2827
2 changed files with 13 additions and 0 deletions
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3
gst/gsttaglist.c
View file

@ -395,6 +395,9 @@ _priv_gst_tag_initialize (void)
_("interpreted-by"),
_("Information about the people behind a remix and similar "
"interpretations"), gst_tag_merge_strings_with_comma);
gst_tag_register_static (GST_TAG_MIDI_BASE_NOTE, GST_TAG_FLAG_META,
G_TYPE_UINT,
_("midi-base-note"), _("Midi note number of the audio track."), NULL);
}
/**

10
gst/gsttaglist.h
View file

@ -1060,6 +1060,16 @@ gst_tag_list_copy (const GstTagList * taglist)
* Since: 1.2
*/
#define GST_TAG_INTERPRETED_BY "interpreted-by"
/**
* GST_TAG_MIDI_BASE_NOTE:
*
* <ulink url="http://en.wikipedia.org/wiki/Note#Note_designation_in_accordance_with_octave_name">Midi note number</ulink>
* of the audio track. This is useful for sample instruments and in particular
* for multi-samples.
*
* Since: 1.2
*/
#define GST_TAG_MIDI_BASE_NOTE "midi-base-note"
G_END_DECLS