rockbox/apps/playback.h
Jeffrey Goode 04b01e1831 pcmbuf: clarify and simplify crossfade code, etc.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23538 a1c6a512-1295-4272-9138-f99709370657
2009-11-05 21:59:36 +00:00

122 lines
3.3 KiB
C

/***************************************************************************
* __________ __ ___.
* 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"
#ifdef HAVE_ALBUMART
#include "bmp.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);
#endif
/* Functions */
void voice_wait(void);
bool audio_is_thread_ready(void);
int audio_track_count(void);
long audio_filebufused(void);
void audio_pre_ff_rewind(void);
void audio_set_crossfade(int type);
void audio_skip(int direction);
void audio_hard_stop(void); /* Stops audio from serving playback */
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);
void audio_pcmbuf_position_callback(size_t size) ICODE_ATTR;
void audio_post_track_change(bool pcmbuf);
int get_audio_hid(void);
int *get_codec_hid(void);
void audio_set_prev_elapsed(unsigned long setting);
bool audio_is_playing(void);
bool audio_is_paused(void);
/* Define one constant that includes recording related functionality */
#if defined(HAVE_RECORDING) && !defined(SIMULATOR)
#define AUDIO_HAVE_RECORDING
#endif
enum {
Q_NULL = 0,
Q_AUDIO_PLAY = 1,
Q_AUDIO_STOP,
Q_AUDIO_PAUSE,
Q_AUDIO_SKIP,
Q_AUDIO_PRE_FF_REWIND,
Q_AUDIO_FF_REWIND,
Q_AUDIO_CHECK_NEW_TRACK,
Q_AUDIO_FLUSH,
Q_AUDIO_TRACK_CHANGED,
Q_AUDIO_DIR_SKIP,
Q_AUDIO_POSTINIT,
Q_AUDIO_FILL_BUFFER,
Q_AUDIO_FINISH_LOAD,
Q_CODEC_REQUEST_COMPLETE,
Q_CODEC_REQUEST_FAILED,
Q_CODEC_LOAD,
Q_CODEC_LOAD_DISK,
#ifdef AUDIO_HAVE_RECORDING
Q_ENCODER_LOAD_DISK,
Q_ENCODER_RECORD,
#endif
Q_CODEC_DO_CALLBACK,
};
#if CONFIG_CODEC == SWCODEC
void audio_next_dir(void);
void audio_prev_dir(void);
#else
#define audio_next_dir() ({ })
#define audio_prev_dir() ({ })
#endif
#endif