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/***************************************************************************
* __________ __ ___.
* 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 <stdbool.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 */
AFMT_MPA_L1, /* MPEG Audio layer 1 */
AFMT_MPA_L2, /* MPEG Audio layer 2 */
AFMT_MPA_L3, /* MPEG Audio layer 3 */
AFMT_PCM_WAV, /* Uncompressed PCM in a WAV file */
AFMT_OGG_VORBIS, /* Ogg Vorbis */
AFMT_FLAC, /* FLAC */
AFMT_MPC, /* Musepack */
AFMT_A52, /* A/52 (aka AC3) audio */
AFMT_WAVPACK, /* WavPack */
AFMT_ALAC, /* Apple Lossless Audio Codec */
AFMT_AAC, /* Advanced Audio Coding (AAC) in M4A container */
AFMT_SHN, /* Shorten */
AFMT_AIFF, /* Audio Interchange File Format */
/* New formats must be added to the end of this list */
AFMT_NUM_CODECS
};
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 year;
unsigned char id3version;
unsigned char genre;
unsigned int codectype;
unsigned int bitrate;
unsigned long frequency;
unsigned long id3v2len;
unsigned long id3v1len;
unsigned long first_frame_offset; /* Byte offset to first real MP3 frame.
Used for skipping leading garbage to
avoid gaps between tracks. */
unsigned long vbr_header_pos;
unsigned long filesize; /* without headers; in bytes */
unsigned long length; /* song length in ms */
unsigned long elapsed; /* ms played */
int lead_trim; /* Number of samples to skip at the beginning */
int tail_trim; /* Number of samples to remove from the end */
/* Added for Vorbis */
unsigned long samples; /* number of samples in track */
/* MP3 stream specific info */
unsigned long frame_count; /* number of frames in the file (if VBR) */
/* Used for A52/AC3 */
unsigned long bytesperframe; /* number of bytes per frame (if CBR) */
/* 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][92];
/* resume related */
unsigned long 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;
/* replaygain support */
#if CONFIG_CODEC == SWCODEC
char* track_gain_string;
char* album_gain_string;
long track_gain; /* 7.24 signed fixed point. 0 for no gain. */
long album_gain;
long track_peak; /* 7.24 signed fixed point. 0 for no peak. */
long album_peak;
#endif
};
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);
int getid3v2len(int fd);
#endif
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