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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 0x60000
#define MPEG_RECORDING_LOW_WATER 0x80000
#define MPEG_LOW_WATER_CHUNKSIZE 0x40000
#define MPEG_LOW_WATER_SWAP_CHUNKSIZE 0x10000
#define MPEG_PLAY_PENDING_THRESHOLD 0x10000
#define MPEG_PLAY_PENDING_SWAPSIZE 0x10000
#define MPEG_MAX_PRERECORD_SECONDS 30
/* For ID3 info and VBR header */
#define MPEG_RESERVED_HEADER_SPACE (4096 + 1500)
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 playable_space;
int unswapped_space;
int low_watermark_level;
int lowest_watermark_level;
};
void mpeg_init(void);
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 newtime);
void mpeg_flush_and_reload_tracks(void);
struct mp3entry* mpeg_current_track(void);
struct mp3entry* mpeg_next_track(void);
bool mpeg_has_changed_track(void);
int mpeg_status(void);
#if defined(HAVE_MAS3587F) || defined(SIMULATOR)
void mpeg_init_recording(void);
void mpeg_init_playback(void);
void mpeg_record(char *filename);
void mpeg_new_file(char *filename);
void mpeg_set_recording_options(int frequency, int quality,
int source, int channel_mode,
bool editable, int prerecord_time);
void mpeg_set_recording_gain(int left, int right, bool use_mic);
unsigned long mpeg_recorded_time(void);
unsigned long mpeg_num_recorded_bytes(void);
void mpeg_pause_recording(void);
void mpeg_resume_recording(void);
#endif
void mpeg_get_debugdata(struct mpeg_debug *dbgdata);
void mpeg_set_buffer_margin(int seconds);
unsigned int mpeg_error(void);
void mpeg_error_clear(void);
/* in order to keep the recording here, I have to expose this */
void rec_tick(void);
void playback_tick(void); /* FixMe: get rid of this, use mp3_get_playtime() */
void mpeg_id3_options(bool _v1first);
#define MPEG_STATUS_PLAY 1
#define MPEG_STATUS_PAUSE 2
#define MPEG_STATUS_RECORD 4
#define MPEG_STATUS_PRERECORD 8
#define MPEG_STATUS_ERROR 16
#define MPEGERR_DISK_FULL 1
#endif
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