taglist: Add support for ALBUM_ARTIST tag

The "album artist" tag is used when the artist of an entire
album differs from the artist of an individual track; for example,
when a "guest artist" appears on an album, or on compilations.

Fixes bug #590430.

2 files changed, 25 insertions, 0 deletions

diff --git a/gst/gsttaglist.c b/gst/gsttaglist.c
index af00ea44b5..21824b29aa 100644
--- a/gst/gsttaglist.c
+++ b/gst/gsttaglist.c
@@ -116,6 +116,15 @@ _gst_tag_initialize (void)
       G_TYPE_STRING,
       _("album sortname"),
       _("album containing this data for sorting purposes"), NULL);
+  gst_tag_register (GST_TAG_ALBUM_ARTIST, GST_TAG_FLAG_META,
+      G_TYPE_STRING,
+      _("album artist"),
+      _("The artist of the entire album, as it should be displayed"),
+      gst_tag_merge_strings_with_comma);
+  gst_tag_register (GST_TAG_ALBUM_ARTIST_SORTNAME, GST_TAG_FLAG_META,
+      G_TYPE_STRING,
+      _("album artist sortname"),
+      _("The artist of the entire album, as it should be sorted"), NULL);
   gst_tag_register (GST_TAG_DATE, GST_TAG_FLAG_META, GST_TYPE_DATE,
       _("date"), _("date the data was created (as a GDate structure)"), NULL);
   gst_tag_register (GST_TAG_GENRE, GST_TAG_FLAG_META,
diff --git a/gst/gsttaglist.h b/gst/gsttaglist.h
index 7157cdf960..6d5d57ed5b 100644
--- a/gst/gsttaglist.h
+++ b/gst/gsttaglist.h
@@ -413,6 +413,22 @@ gboolean     gst_tag_list_get_buffer_index  (const GstTagList * list,
  */
 #define GST_TAG_ALBUM_SORTNAME         "album-sortname"
 /**
+ * GST_TAG_ALBUM_ARTIST
+ *
+ * The artist of the entire album, as it should be displayed.
+ *
+ * Since: 0.10.25
+ */
+#define GST_TAG_ALBUM_ARTIST           "album-artist"
+/**
+ * GST_TAG_ALBUM_ARTIST_SORTNAME
+ *
+ * The artist of the entire album, as it should be sorted.
+ *
+ * Since: 0.10.25
+ */
+#define GST_TAG_ALBUM_ARTIST_SORTNAME  "album-artist-sortname"
+/**
  * GST_TAG_COMPOSER:
  *
  * person(s) who composed the recording (string)