apps/cuesheet.h

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  * $Id$
   9  *
  10  * Copyright (C) 2007 Nicolas Pennequin, Jonathan Gordon
  11  *
  12  * This program is free software; you can redistribute it and/or
  13  * modify it under the terms of the GNU General Public License
  14  * as published by the Free Software Foundation; either version 2
  15  * of the License, or (at your option) any later version.
  16  *
  17  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  18  * KIND, either express or implied.
  19  *
  20  ****************************************************************************/
  21
  22 #ifndef _CUESHEET_H_
  23 #define _CUESHEET_H_
  24
  25 #include <stdbool.h>
  26 #include "screens.h"
  27 #include "file.h"
  28 #include "metadata.h"
  29
  30 #define MAX_NAME 80    /* Max length of information strings */
  31 #define MAX_TRACKS 99  /* Max number of tracks in a cuesheet */
  32
  33 struct cue_track_info {
  34     char title[MAX_NAME*3+1];
  35     char performer[MAX_NAME*3+1];
  36     char songwriter[MAX_NAME*3+1];
  37     unsigned long offset; /* ms from start of track */
  38 };
  39
  40 struct cuesheet {
  41     char path[MAX_PATH];
  42
  43     char title[MAX_NAME*3+1];
  44     char performer[MAX_NAME*3+1];
  45     char songwriter[MAX_NAME*3+1];
  46
  47     int track_count;
  48     struct cue_track_info tracks[MAX_TRACKS];
  49
  50     int curr_track_idx;
  51     struct cue_track_info *curr_track;
  52 };
  53
  54 struct cuesheet_file {
  55     char path[MAX_PATH];
  56     int size;
  57     off_t pos;
  58     enum character_encoding encoding;
  59 };
  60
  61 /* looks if there is a cuesheet file with a name matching path of "track_id3" */
  62 bool look_for_cuesheet_file(struct mp3entry *track_id3, struct cuesheet_file *cue_file);
  63
  64 /* parse cuesheet_file "cue_file" and store the information in "cue" */
  65 bool parse_cuesheet(struct cuesheet_file *cue_file, struct cuesheet *cue);
  66
  67 /* reads a cuesheet to find the audio track associated to it */
  68 bool get_trackname_from_cuesheet(char *filename, char *buf);
  69
  70 /* display a cuesheet struct */
  71 void browse_cuesheet(struct cuesheet *cue);
  72
  73 /* display a cuesheet file after parsing and loading it to the plugin buffer */
  74 bool display_cuesheet_content(char* filename);
  75
  76 /* finds the index of the current track played within a cuesheet */
  77 int cue_find_current_track(struct cuesheet *cue, unsigned long curpos);
  78
  79 /* skip to next track in the cuesheet towards "direction" (which is 1 or -1) */
  80 bool curr_cuesheet_skip(struct cuesheet *cue, int direction, unsigned long curr_pos);
  81
  82 #ifdef HAVE_LCD_BITMAP
  83 /* draw track markers on the progressbar */
  84 void cue_draw_markers(struct screen *screen, struct cuesheet *cue,
  85                       unsigned long tracklen,
  86                       int x, int y, int w, int h);
  87 #endif
  88
  89 /* check if the subtrack has changed */
  90 bool cuesheet_subtrack_changed(struct mp3entry *id3);
  91
  92 #endif