73 lines
2.3 KiB
C
73 lines
2.3 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 by 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 PCMBUF_H
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#define PCMBUF_H
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/* Commit PCM data */
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void *pcmbuf_request_buffer(int *count);
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void pcmbuf_write_complete(int count);
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/* Init */
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size_t pcmbuf_init(unsigned char *bufend);
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/* Playback */
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void pcmbuf_play_start(void);
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void pcmbuf_play_stop(void);
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void pcmbuf_pause(bool pause);
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void pcmbuf_monitor_track_change(bool monitor);
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bool pcmbuf_start_track_change(bool manual_skip);
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/* Crossfade */
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#ifdef HAVE_CROSSFADE
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bool pcmbuf_is_crossfade_active(void);
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void pcmbuf_request_crossfade_enable(bool on_off);
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bool pcmbuf_is_same_size(void);
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#else
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/* Dummy functions with sensible returns */
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static inline bool pcmbuf_is_crossfade_active(void)
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{ return false; }
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static inline void pcmbuf_request_crossfade_enable(bool on_off)
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{ return; (void)on_off; }
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static inline bool pcmbuf_is_same_size(void)
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{ return true; }
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#endif
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/* Voice */
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void *pcmbuf_request_voice_buffer(int *count);
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void pcmbuf_write_voice_complete(int count);
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/* Debug menu, other metrics */
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size_t pcmbuf_free(void);
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size_t pcmbuf_get_bufsize(void);
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int pcmbuf_descs(void);
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int pcmbuf_used_descs(void);
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#ifdef ROCKBOX_HAS_LOGF
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unsigned char *pcmbuf_get_meminfo(size_t *length);
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#endif
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/* Misc */
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bool pcmbuf_is_lowdata(void);
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void pcmbuf_set_low_latency(bool state);
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unsigned long pcmbuf_get_latency(void);
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void pcmbuf_beep(unsigned int frequency, size_t duration, int amplitude);
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#endif
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