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track_info.h

/* 
 * Copyright 2004-2005 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
 * 02111-1307, USA.
 */

#ifndef _TRACK_INFO_H
#define _TRACK_INFO_H

#include <time.h>
#include <stddef.h>

00026 struct track_info {
      struct keyval *comments;

      // next track_info in the hash table (cache.c)
      struct track_info *next;

      time_t mtime;
      int duration;
      long bitrate;
      char *codec;
      int ref;
      char *filename;

      int tracknumber;
      int discnumber;
      int date;
      double rg_track_gain;
      double rg_track_peak;
      double rg_album_gain;
      double rg_album_peak;
      const char *artist;
      const char *album;
      const char *title;
      const char *genre;
      const char *comment;
      const char *albumartist;
      const char *artistsort;

      char *collkey_artist;
      char *collkey_album;
      char *collkey_title;
      char *collkey_genre;
      char *collkey_comment;
      char *collkey_albumartist;

      int is_va_compilation : 1;
};

typedef size_t sort_key_t;

#define SORT_ARTIST        offsetof(struct track_info, collkey_artist)
#define SORT_ALBUM         offsetof(struct track_info, collkey_album)
#define SORT_TITLE         offsetof(struct track_info, collkey_title)
#define SORT_TRACKNUMBER   offsetof(struct track_info, tracknumber)
#define SORT_DISCNUMBER    offsetof(struct track_info, discnumber)
#define SORT_DATE          offsetof(struct track_info, date)
#define SORT_RG_TRACK_GAIN offsetof(struct track_info, rg_track_gain)
#define SORT_RG_TRACK_PEAK offsetof(struct track_info, rg_track_peak)
#define SORT_RG_ALBUM_GAIN offsetof(struct track_info, rg_album_gain)
#define SORT_RG_ALBUM_PEAK offsetof(struct track_info, rg_album_peak)
#define SORT_GENRE         offsetof(struct track_info, collkey_genre)
#define SORT_COMMENT       offsetof(struct track_info, collkey_comment)
#define SORT_ALBUMARTIST   offsetof(struct track_info, collkey_albumartist)
#define SORT_FILENAME      offsetof(struct track_info, filename)
#define SORT_FILEMTIME     offsetof(struct track_info, mtime)
#define SORT_BITRATE       offsetof(struct track_info, bitrate)
#define SORT_CODEC         offsetof(struct track_info, codec)
#define SORT_INVALID       ((sort_key_t) (-1))

#define TI_MATCH_ARTIST       (1 << 0)
#define TI_MATCH_ALBUM        (1 << 1)
#define TI_MATCH_TITLE        (1 << 2)
#define TI_MATCH_ALBUMARTIST  (1 << 3)
#define TI_MATCH_ALL          (~0)

/* initializes only filename and ref */
struct track_info *track_info_new(const char *filename);
void track_info_set_comments(struct track_info *ti, struct keyval *comments);

void track_info_ref(struct track_info *ti);
void track_info_unref(struct track_info *ti);

/*
 * returns: 1 if @ti has any of the following tags: artist, album, title
 *          0 otherwise
 */
int track_info_has_tag(const struct track_info *ti);

/*
 * @flags  fields to search in (TI_MATCH_*)
 *
 * returns: 1 if all words in @text are found to match defined fields (@flags) in @ti
 *          0 otherwise
 */
int track_info_matches(const struct track_info *ti, const char *text, unsigned int flags);

/*
 * @flags            fields to search in (TI_MATCH_*)
 * @exclude_flags    fields which must not match (TI_MATCH_*)
 * @match_all_words  if true, all words must be found in @ti
 *
 * returns: 1 if all/any words in @text are found to match defined fields (@flags) in @ti
 *          0 otherwise
 */
int track_info_matches_full(const struct track_info *ti, const char *text, unsigned int flags,
            unsigned int exclude_flags, int match_all_words);

int track_info_cmp(const struct track_info *a, const struct track_info *b, const sort_key_t *keys);

#endif

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