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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005 Miika Pekkarinen
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 <stdbool.h>
#include <stdlib.h>
#include "config.h"
#if CONFIG_CODEC == SWCODEC
/* Including the code for fast previews is entirely optional since it
does add two more mp3entry's - for certain targets it may be less
beneficial such as flash-only storage */
#if MEMORYSIZE > 2
#define AUDIO_FAST_SKIP_PREVIEW
#endif
#endif /* CONFIG_CODEC == SWCODEC */
#ifdef HAVE_ALBUMART
#include "bmp.h"
#include "metadata.h"
/*
* Returns the handle id of the buffered albumart for the given slot id
**/
int playback_current_aa_hid(int slot);
/*
* Hands out an albumart slot for buffering albumart using the size
* int the passed dim struct, it copies the data of dim in order to
* be safe to be reused for other code
*
* The slot may be reused if other code calls this with the same dimensions
* in dim, so if you change dim release and claim a new slot
*
* Save to call from other threads */
int playback_claim_aa_slot(struct dim *dim);
/*
* Releases the albumart slot with given id
*
* Save to call from other threads */
void playback_release_aa_slot(int slot);
struct bufopen_bitmap_data {
struct dim *dim;
struct mp3_albumart *embedded_albumart;
};
#endif
/* Functions */
int audio_track_count(void);
long audio_filebufused(void);
void audio_pre_ff_rewind(void);
void audio_skip(int direction);
void audio_set_cuesheet(int enable);
#ifdef HAVE_CROSSFADE
void audio_set_crossfade(int enable);
#endif
enum
{
AUDIO_WANT_PLAYBACK = 0,
AUDIO_WANT_VOICE,
};
bool audio_restore_playback(int type); /* Restores the audio buffer to handle the requested playback */
size_t audio_get_filebuflen(void);
/* Automatic transition? Only valid to call during the track change events,
otherwise the result is undefined. */
bool audio_automatic_skip(void);
/* Define one constant that includes recording related functionality */
#if defined(HAVE_RECORDING) && !defined(SIMULATOR)
#define AUDIO_HAVE_RECORDING
#endif
enum {
Q_NULL = 0, /* reserved */
/* -> audio */
Q_AUDIO_PLAY = 1,
Q_AUDIO_STOP,
Q_AUDIO_PAUSE,
Q_AUDIO_SKIP,
Q_AUDIO_PRE_FF_REWIND,
Q_AUDIO_FF_REWIND,
Q_AUDIO_FLUSH,
Q_AUDIO_DIR_SKIP,
/* pcmbuf -> audio */
Q_AUDIO_TRACK_CHANGED,
/* audio -> audio */
Q_AUDIO_FILL_BUFFER, /* continue buffering next track */
/* buffering -> audio */
Q_AUDIO_BUFFERING, /* some buffer event */
Q_AUDIO_FINISH_LOAD_TRACK, /* metadata is buffered */
Q_AUDIO_HANDLE_FINISHED, /* some other type is buffered */
/* codec -> audio (*) */
Q_AUDIO_CODEC_SEEK_COMPLETE,
Q_AUDIO_CODEC_COMPLETE,
/* audio -> codec */
Q_CODEC_LOAD,
Q_CODEC_RUN,
Q_CODEC_PAUSE,
Q_CODEC_SEEK,
Q_CODEC_STOP,
Q_CODEC_UNLOAD,
/*- miscellanous -*/
#ifdef AUDIO_HAVE_RECORDING
/* -> codec */
Q_AUDIO_LOAD_ENCODER, /* load an encoder for recording */
#endif
/* -> codec */
Q_CODEC_DO_CALLBACK,
/*- settings -*/
#ifdef HAVE_DISK_STORAGE
/* -> audio */
Q_AUDIO_UPDATE_WATERMARK, /* buffering watermark needs updating */
#endif
/* -> audio */
Q_AUDIO_REMAKE_AUDIO_BUFFER, /* buffer needs to be reinitialized */
};
/* (*) If you change these, you must check audio_clear_track_notifications
in playback.c for correctness */
#endif /* _PLAYBACK_H */
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