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