/*************************************************************************** * __________ __ ___. * Open \______ \ ____ ____ | | _\_ |__ _______ ___ * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ * \/ \/ \/ \/ \/ * * Copyright (C) 2016 Amaury Pouly * * 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 __PCM_ALSA_RB_H__ #define __PCM_ALSA_RB_H__ #include #if defined(SONY_NWZ_LINUX) || defined(HAVE_FIIO_LINUX_CODEC) /* Set the PCM volume in dB: each sample with have this volume applied digitally * before being sent to ALSA. Volume must satisfy -43 <= dB <= 0 */ void pcm_set_mixer_volume(int vol_db_l, int vol_db_r); #endif /* These two should be invoked in your audiohw_preinit() call! */ void pcm_alsa_set_playback_device(const char *device); #if defined(HAVE_RECORDING) void pcm_alsa_set_capture_device(const char *device); #endif unsigned int pcm_alsa_get_rate(void); unsigned int pcm_alsa_get_xruns(void); #endif /* __PCM_ALSA_RB_H__ */