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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 by Linus Nielsen Feltzing
*
* 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 _MPEG_H_
#define _MPEG_H_
#include <stdbool.h>
#define MPEG_SWAP_CHUNKSIZE 0x2000
#define MPEG_HIGH_WATER 2 /* We leave 2 bytes empty because otherwise we
wouldn't be able to see the difference between
an empty buffer and a full one. */
#define MPEG_LOW_WATER 0x40000
#define MPEG_LOW_WATER_CHUNKSIZE 0x40000
struct mpeg_debug
{
int mp3buflen;
int mp3buf_write;
int mp3buf_swapwrite;
int mp3buf_read;
int last_dma_chunk_size;
bool dma_on;
bool playing;
bool play_pending;
bool is_playing;
bool filling;
bool dma_underrun;
int unplayed_space;
int unswapped_space;
int lowest_watermark_level;
};
void mpeg_init(int volume, int bass, int treble, int balance,
int loudness, int bass_boost, int avc);
void mpeg_play(int offset);
void mpeg_stop(void);
void mpeg_pause(void);
void mpeg_resume(void);
void mpeg_next(void);
void mpeg_prev(void);
void mpeg_ff_rewind(int change);
void mpeg_flush_and_reload_tracks(void);
void mpeg_sound_set(int setting, int value);
int mpeg_sound_min(int setting);
int mpeg_sound_max(int setting);
int mpeg_sound_default(int setting);
void mpeg_sound_channel_config(int configuration);
int mpeg_val2phys(int setting, int value);
int mpeg_phys2val(int setting, int value);
char *mpeg_sound_unit(int setting);
int mpeg_sound_numdecimals(int setting);
struct mp3entry* mpeg_current_track(void);
bool mpeg_has_changed_track(void);
int mpeg_status(void);
void mpeg_set_pitch(int percent);
void mpeg_get_debugdata(struct mpeg_debug *dbgdata);
#define SOUND_VOLUME 0
#define SOUND_BASS 1
#define SOUND_TREBLE 2
#define SOUND_BALANCE 3
#define SOUND_LOUDNESS 4
#define SOUND_SUPERBASS 5
#define SOUND_AVC 6
#define SOUND_CHANNELS 7
#define SOUND_NUMSETTINGS 8
#define MPEG_SOUND_STEREO 0
#define MPEG_SOUND_MONO 1
#define MPEG_SOUND_MONO_LEFT 2
#define MPEG_SOUND_MONO_RIGHT 3
#define MPEG_STATUS_PLAY 1
#define MPEG_STATUS_PAUSE 2
#define MPEG_STATUS_RECORD 4
#endif
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