rockbox/firmware/export/id3.h
Michiel Van Der Kolk 765cd6d5e7 (in theory) more efficient (battery wise) runtime database code.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6999 a1c6a512-1295-4272-9138-f99709370657
2005-07-03 21:08:16 +00:00

124 lines
3.6 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Daniel Stenberg
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef ID3_H
#define ID3_H
#include "config.h"
#include "file.h"
/* Audio file types. */
/* NOTE: When adding new audio types, also add to codec_labels[] in id3.c */
enum {
AFMT_UNKNOWN = 0, /* Unknown file format */
#if CONFIG_HWCODEC==MASNONE
AFMT_MPA_L1, /* MPEG Audio layer 1 */
#endif
AFMT_MPA_L2, /* MPEG Audio layer 2 */
AFMT_MPA_L3, /* MPEG Audio layer 3 */
#if CONFIG_HWCODEC==MASNONE
AFMT_PCM_WAV, /* Uncompressed PCM in a WAV file */
AFMT_OGG_VORBIS, /* Ogg Vorbis */
AFMT_FLAC, /* FLAC */
AFMT_MPC, /* Musepack */
AFMT_AAC, /* AAC */
AFMT_APE, /* Monkey's Audio */
AFMT_WMA, /* Windows Media Audio */
AFMT_A52, /* A/52 (aka AC3) audio */
AFMT_REAL, /* Realaudio */
AFMT_WAVPACK, /* WavPack */
#endif
AFMT_ENDMARKER /* THIS MUST BE THE LAST VALUE */
};
struct mp3entry {
char path[MAX_PATH];
char *title;
char *artist;
char *album;
char* genre_string ;
char* track_string ;
char* year_string ;
char* composer ;
int tracknum;
int version;
int layer;
int codectype;
int year;
unsigned char id3version;
unsigned char genre;
unsigned int bitrate;
unsigned int frequency;
unsigned int id3v2len;
unsigned int id3v1len;
unsigned int first_frame_offset; /* Byte offset to first real MP3 frame.
Used for skipping leading garbage to
avoid gaps between tracks. */
unsigned int vbr_header_pos;
unsigned int filesize; /* in bytes */
unsigned int length; /* song length */
unsigned int elapsed; /* ms played */
/* MP3 stream specific info */
long bpf; /* bytes per frame */
long tpf; /* time per frame */
/* Xing VBR fields */
bool vbr;
bool has_toc; /* True if there is a VBR header in the file */
unsigned char toc[100];/* table of contents */
/* these following two fields are used for local buffering */
char id3v2buf[300];
char id3v1buf[3][32];
/* resume related */
int offset; /* bytes played */
int index; /* playlist index */
/* FileEntry fields */
long fileentryoffset;
long filehash;
long songentryoffset;
long rundbentryoffset;
/* runtime database fields */
long rundbhash;
short rating;
short voladjust;
long playcount;
long lastplayed;
};
enum {
ID3_VER_1_0 = 1,
ID3_VER_1_1,
ID3_VER_2_2,
ID3_VER_2_3,
ID3_VER_2_4
};
bool mp3info(struct mp3entry *entry, const char *filename, bool v1first);
char* id3_get_genre(const struct mp3entry* id3);
char* id3_get_codec(const struct mp3entry* id3);
#endif