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Tags: upstream-0.9.5
Import upstream version 0.9.5

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metadata/rb-metadata-common.c
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 *
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 *  You should have received a copy of the GNU General Public License
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 *  along with this program; if not, write to the Free Software
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 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 
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 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA.
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 *
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 */
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#include "rb-metadata.h"
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#include "rb-debug.h"
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struct RBMetaDataFieldInfo {
 
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        GType type;
 
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        const char *name;
 
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};
 
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/*
 
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 * Note: the field names are the same as those used by GStreamer.  We
 
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 * could have just use the GST_TAG_X defines, but that would suck if we
 
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 * ever got a non-GStreamer metadata backend.
 
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 */
 
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static struct RBMetaDataFieldInfo field_info[RB_METADATA_FIELD_LAST] = {
 
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        /* RB_METADATA_FIELD_TITLE */                   { G_TYPE_STRING, "title" },
 
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        /* RB_METADATA_FIELD_ARTIST */                  { G_TYPE_STRING, "artist" },
 
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        /* RB_METADATA_FIELD_ALBUM */                   { G_TYPE_STRING, "album" },
 
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        /* RB_METADATA_FIELD_DATE */                    { G_TYPE_ULONG, "date" },
 
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        /* RB_METADATA_FIELD_GENRE */                   { G_TYPE_STRING, "genre" },
 
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        /* RB_METADATA_FIELD_COMMENT */                 { G_TYPE_STRING, "comment" },
 
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        /* RB_METADATA_FIELD_TRACK_NUMBER */            { G_TYPE_ULONG, "track-number" },
 
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        /* RB_METADATA_FIELD_MAX_TRACK_NUMBER */        { G_TYPE_ULONG, "track-count" },
 
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        /* RB_METADATA_FIELD_DISC_NUMBER */             { G_TYPE_ULONG, "album-disc-number" },
 
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        /* RB_METADATA_FIELD_MAX_DISC_NUMBER */         { G_TYPE_ULONG, "album-disc-count" },
 
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        /* RB_METADATA_FIELD_DESCRIPTION */             { G_TYPE_STRING, "description" },
 
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        /* RB_METADATA_FIELD_VERSION */                 { G_TYPE_STRING, "version" },
 
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        /* RB_METADATA_FIELD_IRSC */                    { G_TYPE_STRING, "isrc" },
 
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        /* RB_METADATA_FIELD_ORGANIZATION */            { G_TYPE_STRING, "organization" },
 
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        /* RB_METADATA_FIELD_COPYRIGHT */               { G_TYPE_STRING, "copyright" },
 
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        /* RB_METADATA_FIELD_CONTACT */                 { G_TYPE_STRING, "contact" },
 
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        /* RB_METADATA_FIELD_LICENSE */                 { G_TYPE_STRING, "license" },
 
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        /* RB_METADATA_FIELD_PERFORMER */               { G_TYPE_STRING, "performer" },
 
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        /* RB_METADATA_FIELD_DURATION */                { G_TYPE_ULONG, "duration" },
 
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        /* RB_METADATA_FIELD_CODEC */                   { G_TYPE_STRING, "codec" },
 
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        /* RB_METADATA_FIELD_BITRATE */                 { G_TYPE_ULONG, "bitrate" },
 
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        /* RB_METADATA_FIELD_TRACK_GAIN */              { G_TYPE_DOUBLE, "replaygain-track-gain" },
 
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        /* RB_METADATA_FIELD_TRACK_PEAK */              { G_TYPE_DOUBLE, "replaygain-track-peak" },
 
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        /* RB_METADATA_FIELD_ALBUM_GAIN */              { G_TYPE_DOUBLE, "replaygain-album-gain" },
 
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        /* RB_METADATA_FIELD_ALBUM_PEAK */              { G_TYPE_DOUBLE, "replaygain-album-peak" },
 
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        /* RB_METADATA_FIELD_LANGUAGE_CODE */           { G_TYPE_STRING, "language-code" }
 
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};
 
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GType
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rb_metadata_get_field_type (RBMetaData *md, RBMetaDataField field)
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{
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        GHashTable *map = g_object_get_data (G_OBJECT (md),
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                                             "rb-metadata-field-type-map");
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        if (!map) {
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                map = g_hash_table_new (g_direct_hash, g_direct_equal);
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_TITLE),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_ARTIST),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_ALBUM),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_DATE),
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                                     GINT_TO_POINTER (G_TYPE_ULONG));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_GENRE),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_COMMENT),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_TRACK_NUMBER),
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                                     GINT_TO_POINTER (G_TYPE_ULONG));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_MAX_TRACK_NUMBER),
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                                     GINT_TO_POINTER (G_TYPE_ULONG));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_DISC_NUMBER),
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                                     GINT_TO_POINTER (G_TYPE_ULONG));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_MAX_DISC_NUMBER),
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                                     GINT_TO_POINTER (G_TYPE_ULONG));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_DESCRIPTION),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_VERSION),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_ISRC),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_ORGANIZATION),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_COPYRIGHT),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_CONTACT),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_LICENSE),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_PERFORMER),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_DURATION),
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                                     GINT_TO_POINTER (G_TYPE_ULONG));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_CODEC),
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                                     GINT_TO_POINTER (G_TYPE_STRING));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_BITRATE),
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                                     GINT_TO_POINTER (G_TYPE_ULONG));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_TRACK_GAIN),
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                                     GINT_TO_POINTER (G_TYPE_DOUBLE));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_TRACK_PEAK),
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                                     GINT_TO_POINTER (G_TYPE_DOUBLE));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_ALBUM_GAIN),
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                                     GINT_TO_POINTER (G_TYPE_DOUBLE));
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                g_hash_table_insert (map, GINT_TO_POINTER (RB_METADATA_FIELD_ALBUM_PEAK),
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                                     GINT_TO_POINTER (G_TYPE_DOUBLE));
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                g_object_set_data_full (G_OBJECT (md), "rb-metadata-field-type-map",
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                                        map, (GDestroyNotify) g_hash_table_destroy);
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        }
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        return GPOINTER_TO_INT (g_hash_table_lookup (map, GINT_TO_POINTER (field)));
 
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rb_metadata_get_field_type (RBMetaDataField field)
 
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{
 
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        g_assert (field >= 0 && field < RB_METADATA_FIELD_LAST);
 
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        return field_info[field].type;
 
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}
 
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const char *
 
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rb_metadata_get_field_name (RBMetaDataField field)
 
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{
 
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        g_assert (field >= 0 && field < RB_METADATA_FIELD_LAST);
 
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        return field_info[field].name;
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}
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