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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 _PLAYBACK_H
#define _PLAYBACK_H
#include <stdlib.h>
#include <ctype.h>
#include <stdbool.h>
#include "id3.h"
#include "mp3data.h"
enum {
CODEC_SET_FILEBUF_WATERMARK = 1,
CODEC_SET_FILEBUF_CHUNKSIZE,
CODEC_SET_FILEBUF_LIMIT,
CODEC_DSP_ENABLE,
DSP_SET_FREQUENCY,
DSP_SET_CLIP_MIN,
DSP_SET_CLIP_MAX,
DSP_SET_SAMPLE_DEPTH,
DSP_SET_STEREO_MODE,
DSP_RESET,
DSP_DITHER
};
/* Not yet implemented. */
#define CODEC_SET_AUDIOBUF_WATERMARK 4
#define MAX_TRACK 32
struct track_info {
struct mp3entry id3; /* TAG metadata */
char *codecbuf; /* Pointer to codec buffer */
long codecsize; /* Codec length in bytes */
off_t filerem; /* Remaining bytes of file NOT in buffer */
off_t filesize; /* File total length */
off_t filepos; /* Read position of file for next buffer fill */
off_t start_pos; /* Position to first bytes of file in buffer */
volatile int available; /* Available bytes to read from buffer */
bool taginfo_ready; /* Is metadata read */
int playlist_offset; /* File location in playlist */
bool event_sent; /* Has event callback functions been called? */
};
/* Functions */
void audio_set_track_changed_event(void (*handler)(struct track_info *ti));
void audio_set_track_buffer_event(void (*handler)(struct mp3entry *id3,
bool last_track));
void audio_set_track_unbuffer_event(void (*handler)(struct mp3entry *id3,
bool last_track));
void audio_invalidate_tracks(void);
#endif
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