2016-10-20 16:21:00 +00:00
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/***************************************************************************
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2020-11-18 19:08:17 +00:00
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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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2016-10-20 16:21:00 +00:00
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*
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* Copyright (C) 2016 Amaury Pouly
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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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2017-02-23 10:33:19 +00:00
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#ifndef __PCM_ALSA_RB_H__
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#define __PCM_ALSA_RB_H__
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2016-10-20 16:21:00 +00:00
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2017-02-23 10:33:19 +00:00
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#include <config.h>
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2016-10-20 16:21:00 +00:00
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2021-04-09 03:02:15 +00:00
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#if defined(HAVE_ALSA_32BIT)
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2017-02-23 10:33:19 +00:00
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/* Set the PCM volume in dB: each sample with have this volume applied digitally
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* before being sent to ALSA. Volume must satisfy -43 <= dB <= 0 */
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2018-02-19 05:28:11 +00:00
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void pcm_set_mixer_volume(int vol_db_l, int vol_db_r);
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2017-02-23 10:33:19 +00:00
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#endif
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2016-10-20 16:21:00 +00:00
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2020-10-22 21:15:45 +00:00
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/* These two should be invoked in your audiohw_preinit() call! */
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void pcm_alsa_set_playback_device(const char *device);
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#if defined(HAVE_RECORDING)
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void pcm_alsa_set_capture_device(const char *device);
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#endif
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2020-11-18 19:08:17 +00:00
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unsigned int pcm_alsa_get_rate(void);
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unsigned int pcm_alsa_get_xruns(void);
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2020-10-01 02:12:35 +00:00
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2017-02-23 10:33:19 +00:00
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#endif /* __PCM_ALSA_RB_H__ */
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