rockbox/apps/audio_thread.h

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2005-2007 Miika Pekkarinen
* Copyright (C) 2007-2008 Nicolas Pennequin
* Copyright (C) 2011-2013 Michael Sevakis
*
* 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 AUDIO_THREAD_H
#define AUDIO_THREAD_H
/* 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,
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,
/* -> codec */
Q_CODEC_DO_CALLBACK,
/* -> recording */
#ifdef HAVE_RECORDING
Q_AUDIO_INIT_RECORDING,
Q_AUDIO_CLOSE_RECORDING,
Q_AUDIO_RECORDING_OPTIONS,
Q_AUDIO_RECORD,
Q_AUDIO_RESUME,
#endif
/*- 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 */
void audio_init(void);
void playback_init(void);
unsigned int playback_status(void);
void audio_playback_handler(struct queue_event *ev);
#ifdef AUDIO_HAVE_RECORDING
void audio_recording_handler(struct queue_event *ev);
#endif
#endif /* AUDIO_THREAD_H */