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id3.h

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+/*
+ * Copyright 2008-2013 Various Authors
+ * Copyright 2005 Timo Hirvonen
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef CMUS_ID3_H
+#define CMUS_ID3_H
+
+#include <stdint.h>
+
+/* flags for id3_read_tags */
+#define ID3_V1	(1 << 0)
+#define ID3_V2	(1 << 1)
+
+enum id3_key {
+	ID3_ARTIST,
+	ID3_ALBUM,
+	ID3_TITLE,
+	ID3_DATE,
+	ID3_ORIGINALDATE,
+	ID3_GENRE,
+	ID3_DISC,
+	ID3_TRACK,
+	ID3_ALBUMARTIST,
+	ID3_ARTISTSORT,
+	ID3_ALBUMARTISTSORT,
+	ID3_ALBUMSORT,
+	ID3_COMPILATION,
+	ID3_RG_TRACK_GAIN,
+	ID3_RG_TRACK_PEAK,
+	ID3_RG_ALBUM_GAIN,
+	ID3_RG_ALBUM_PEAK,
+	ID3_COMPOSER,
+	ID3_CONDUCTOR,
+	ID3_LYRICIST,
+	ID3_REMIXER,
+	ID3_LABEL,
+	ID3_PUBLISHER,
+	ID3_SUBTITLE,
+	ID3_COMMENT,
+	ID3_MUSICBRAINZ_TRACKID,
+	ID3_MEDIA,
+	ID3_BPM,
+
+	NUM_ID3_KEYS
+};
+
+struct id3tag {
+	char v1[128];
+	char *v2[NUM_ID3_KEYS];
+
+	unsigned int has_v1 : 1;
+	unsigned int has_v2 : 1;
+};
+
+extern const char * const id3_key_names[NUM_ID3_KEYS];
+
+int id3_tag_size(const char *buf, int buf_size);
+
+void id3_init(struct id3tag *id3);
+void id3_free(struct id3tag *id3);
+
+int id3_read_tags(struct id3tag *id3, int fd, unsigned int flags);
+char *id3_get_comment(struct id3tag *id3, enum id3_key key);
+
+char const *id3_get_genre(uint16_t id);
+
+#endif