apps/tagdb/header.h

   1 #ifndef __HEADER_H__
   2 #define __HEADER_H__
   3
   4 #include "config.h"
   5
   6 #define HEADER_SIZE 68
   7
   8 struct header {
   9         char magic[3];                  // (four bytes: 'R' 'D' 'B' and a byte for version. This is version 2. (0x02)
  10         unsigned char version;
  11
  12         uint32_t artist_start;  // File Offset to the artist table(starting from 0)
  13         uint32_t album_start;   // File Offset to the album table(starting from 0)
  14         uint32_t song_start;            // File Offset of the song table(starting from 0)
  15         uint32_t file_start;            // File Offset to the filename table(starting from 0)
  16
  17         uint32_t artist_count;  // Number of artists
  18         uint32_t album_count;   // Number of albums
  19         uint32_t song_count;            // Number of songs
  20         uint32_t file_count;            // Number of File Entries, this is needed for the binary search.
  21
  22         uint32_t artist_len;            // Max Length of the artist name field
  23         uint32_t album_len;             // Max Length of the album name field
  24         uint32_t song_len;              // Max Length of the song name field
  25         uint32_t genre_len;             // Max Length of the genre field
  26         uint32_t file_len;              // Max Length of the filename field.
  27
  28         uint32_t song_array_count;      // Number of entries in songs-per-album array
  29         uint32_t album_array_count;     // Number of entries in albums-per-artist array
  30
  31         struct {
  32                 unsigned reserved : 31;         // must be 0
  33                 unsigned rundb_dirty : 1;       // if the TagDatabase in unsynchronized with the RuntimeDatabase, 0 if synchronized.
  34         } flags;
  35 };
  36
  37 int header_write(FILE *fd, const struct header *header);
  38
  39 #endif