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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 Miika Pekkarinen
*
* 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 _AUDIO_H
#define _AUDIO_H
#define AFMT_MPA_L1 0x0001 // MPEG Audio layer 1
#define AFMT_MPA_L2 0x0002 // MPEG Audio layer 2
#define AFMT_MPA_L3 0x0004 // MPEG Audio layer 3
/* (MPEG-1, 2, 2.5 layers 1, 2 and 3 */
#define AFMT_PCM_WAV 0x0008 // Uncompressed PCM in a WAV file
#define AFMT_OGG_VORBIS 0x0010 // Ogg Vorbis
#define AFMT_FLAC 0x0020 // FLAC
#define AFMT_MPC 0x0040 // Musepack
#define AFMT_AAC 0x0080 // AAC
#define AFMT_APE 0x0100 // Monkey's Audio
#define AFMT_WMA 0x0200 // Windows Media Audio
#define AFMT_A52 0x0400 // A/52 (aka AC3) audio
#define AFMT_REAL 0x0800 // Realaudio
#define AFMT_UNKNOWN 0x1000 // Unknown file format
#define CODEC_SET_FILEBUF_WATERMARK 1
#define CODEC_SET_FILEBUF_CHUNKSIZE 2
#define CODEC_SET_FILEBUF_LIMIT 3
/* Not yet implemented. */
#define CODEC_SET_AUDIOBUF_WATERMARK 4
struct codec_api {
off_t filesize;
off_t curpos;
size_t bitspersampe;
/* For gapless mp3 */
struct mp3entry *id3;
struct mp3info *mp3data;
bool *taginfo_ready;
bool stop_codec;
bool reload_codec;
int seek_time;
void* (*get_codec_memory)(size_t *size);
bool (*audiobuffer_insert)(char *data, size_t length);
void (*set_elapsed)(unsigned int value);
size_t (*read_filebuf)(void *ptr, size_t size);
void* (*request_buffer)(size_t *realsize, size_t reqsize);
void (*advance_buffer)(size_t amount);
void (*advance_buffer_loc)(void *ptr);
bool (*seek_buffer)(off_t newpos);
off_t (*mp3_get_filepos)(int newtime);
bool (*request_next_track)(void);
void (*configure)(int setting, void *value);
};
#endif
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