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219 lines
5.9 KiB
C
219 lines
5.9 KiB
C
/**
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* \file include/mixer_ordinary.h
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* \brief Application interface library for the ALSA driver
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* \author Jaroslav Kysela <perex@suse.cz>
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* \date 2003
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*
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* Application interface library for the ALSA driver.
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* See the \ref mixer_ordinary page for more details.
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*/
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/*
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* This library is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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#ifndef __ALSA_MIXER_SIMPLE_H
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#define __ALSA_MIXER_SIMPLE_H
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#include <alsa/asoundlib.h>
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/*
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* Abbreviations:
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*
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* FLVOL - Front Left Volume (0-1000)
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* FCLVOL - Front Center Left Volume (0-1000)
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* FCVOL - Front Center Volume (0-1000)
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* FCRVOL - Front Center Right Volume (0-1000)
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* FRVOL - Front Right Volume (0-1000)
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* FSLVOL - Front Side Left Volume (0-1000)
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* FSRVOL - Front Side Right Volume (0-1000)
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* RSLVOL - Rear Side Left Volume (0-1000)
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* RSRVOL - Rear Side Right Volume (0-1000)
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* RLVOL - Rear Left Volume (0-1000)
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* RCVOL - Rear Center Volume (0-1000)
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* RRVOL - Rear Right Volume (0-1000)
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* LFEVOL - Low Frequency Effects (Subwoofer) Volume (0-1000)
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* OVRVOL - Overhead Volume (0-1000)
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*/
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/** Ordinary Mixer I/O type */
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enum sndo_mixer_io_type {
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/*
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* playback section
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*/
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/* Master */
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SNDO_MIO_MASTER_FLVOL = 0 * 0x40,
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SNDO_MIO_MASTER_FCLVOL,
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SNDO_MIO_MASTER_FCVOL,
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SNDO_MIO_MASTER_FCRVOL,
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SNDO_MIO_MASTER_FRVOL,
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SNDO_MIO_MASTER_FSLVOL,
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SNDO_MIO_MASTER_FSRVOL,
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SNDO_MIO_MASTER_RSLVOL,
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SNDO_MIO_MASTER_RSRVOL,
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SNDO_MIO_MASTER_RLVOL,
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SNDO_MIO_MASTER_RCVOL,
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SNDO_MIO_MASTER_RRVOL,
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SNDO_MIO_MASTER_LFEVOL,
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SNDO_MIO_MASTER_OVRVOL,
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/* PCM */
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SNDO_MIO_PCM_FLVOL = 1 * 0x40,
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SNDO_MIO_PCM_FCLVOL,
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SNDO_MIO_PCM_FCVOL,
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SNDO_MIO_PCM_FCRVOL,
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SNDO_MIO_PCM_FRVOL,
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SNDO_MIO_PCM_FSLVOL,
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SNDO_MIO_PCM_FSRVOL,
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SNDO_MIO_PCM_RSLVOL,
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SNDO_MIO_PCM_RSRVOL,
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SNDO_MIO_PCM_RLVOL,
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SNDO_MIO_PCM_RCVOL,
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SNDO_MIO_PCM_RRVOL,
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SNDO_MIO_PCM_LFEVOL,
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SNDO_MIO_PCM_OVRVOL,
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/* LINE */
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SNDO_MIO_LINE_FLVOL = 2 * 0x40,
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SNDO_MIO_LINE_FCLVOL,
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SNDO_MIO_LINE_FCVOL,
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SNDO_MIO_LINE_FCRVOL,
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SNDO_MIO_LINE_FRVOL,
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SNDO_MIO_LINE_FSLVOL,
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SNDO_MIO_LINE_FSRVOL,
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SNDO_MIO_LINE_RSLVOL,
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SNDO_MIO_LINE_RSRVOL,
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SNDO_MIO_LINE_RLVOL,
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SNDO_MIO_LINE_RCVOL,
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SNDO_MIO_LINE_RRVOL,
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SNDO_MIO_LINE_LFEVOL,
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SNDO_MIO_LINE_OVRVOL,
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/* MIC */
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SNDO_MIO_MIC_FLVOL = 3 * 0x40,
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SNDO_MIO_MIC_FCLVOL,
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SNDO_MIO_MIC_FCVOL,
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SNDO_MIO_MIC_FCRVOL,
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SNDO_MIO_MIC_FRVOL,
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SNDO_MIO_MIC_FSLVOL,
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SNDO_MIO_MIC_FSRVOL,
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SNDO_MIO_MIC_RSLVOL,
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SNDO_MIO_MIC_RSRVOL,
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SNDO_MIO_MIC_RLVOL,
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SNDO_MIO_MIC_RCVOL,
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SNDO_MIO_MIC_RRVOL,
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SNDO_MIO_MIC_LFEVOL,
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SNDO_MIO_MIC_OVRVOL,
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/* CD */
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SNDO_MIO_CD_FLVOL = 4 * 0x40,
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SNDO_MIO_CD_FCLVOL,
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SNDO_MIO_CD_FCVOL,
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SNDO_MIO_CD_FCRVOL,
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SNDO_MIO_CD_FRVOL,
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SNDO_MIO_CD_FSLVOL,
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SNDO_MIO_CD_FSRVOL,
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SNDO_MIO_CD_RSLVOL,
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SNDO_MIO_CD_RSRVOL,
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SNDO_MIO_CD_RLVOL,
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SNDO_MIO_CD_RCVOL,
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SNDO_MIO_CD_RRVOL,
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SNDO_MIO_CD_LFEVOL,
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SNDO_MIO_CD_OVRVOL,
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/* AUX */
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SNDO_MIO_AUX_FLVOL = 5 * 0x40,
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SNDO_MIO_AUX_FCLVOL,
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SNDO_MIO_AUX_FCVOL,
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SNDO_MIO_AUX_FCRVOL,
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SNDO_MIO_AUX_FRVOL,
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SNDO_MIO_AUX_FSLVOL,
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SNDO_MIO_AUX_FSRVOL,
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SNDO_MIO_AUX_RSLVOL,
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SNDO_MIO_AUX_RSRVOL,
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SNDO_MIO_AUX_RLVOL,
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SNDO_MIO_AUX_RCVOL,
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SNDO_MIO_AUX_RRVOL,
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SNDO_MIO_AUX_LFEVOL,
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SNDO_MIO_AUX_OVRVOL,
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/*
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* capture section
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*/
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/* capture gain */
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SNDO_MIO_CGAIN_FL = 0x8000,
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SNDO_MIO_CGAIN_FCL,
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SNDO_MIO_CGAIN_FC,
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SNDO_MIO_CGAIN_FCR,
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SNDO_MIO_CGAIN_FR,
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SNDO_MIO_CGAIN_FSL,
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SNDO_MIO_CGAIN_FSR,
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SNDO_MIO_CGAIN_RSL,
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SNDO_MIO_CGAIN_RSR,
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SNDO_MIO_CGAIN_RL,
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SNDO_MIO_CGAIN_RC,
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SNDO_MIO_CGAIN_RR,
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SNDO_MIO_CGAIN_LFE,
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SNDO_MIO_CGAIN_OVR,
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/* capture source (0 = off, 1 = on) */
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SNDO_MIO_CSOURCE_MIC = 0x8100,
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SNDO_MIO_CSOURCE_LINE,
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SNDO_MIO_CSOURCE_CD,
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SNDO_MIO_CSOURCE_AUX,
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SNDO_MIO_CSOURCE_MIX,
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/* misc */
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SNDO_MIO_STEREO = 0x8200, /* (0 = off, 1 = on) standard stereo source, might be converted to use all outputs */
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};
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typedef struct sndo_mixer sndo_mixer_t;
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struct alisp_cfg;
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \defgroup Mixer_ordinary Mixer Ordinary Interface
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* See the \ref mixer_ordinary page for more details.
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* \{
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*/
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int sndo_mixer_open(sndo_mixer_t **pmixer, const char *playback_name, const char *capture_name, struct alisp_cfg *lconf);
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int sndo_mixer_open_pcm(sndo_mixer_t **pmixer, snd_pcm_t *playback_pcm, snd_pcm_t *capture_pcm, struct alisp_cfg *lconf);
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int sndo_mixer_close(sndo_mixer_t *mixer);
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int sndo_mixer_poll_descriptors_count(sndo_mixer_t *mixer);
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int sndo_mixer_poll_descriptors(sndo_mixer_t *mixer, struct pollfd *pfds, unsigned int space);
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int sndo_mixer_poll_descriptors_revents(sndo_mixer_t *mixer, struct pollfd *pfds, unsigned int nfds, unsigned short *revents);
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int sndo_mixer_io_get_name(enum sndo_mixer_io_type type, char **name);
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int sndo_mixer_io_get(sndo_mixer_t *mixer, enum sndo_mixer_io_type type, int *val);
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int sndo_mixer_io_set(sndo_mixer_t *mixer, enum sndo_mixer_io_type type, int *val);
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int sndo_mixer_io_try_set(sndo_mixer_t *mixer, enum sndo_mixer_io_type type, int *val);
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int sndo_mixer_io_get_dB(sndo_mixer_t *mixer, enum sndo_mixer_io_type type, int *val);
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int sndo_mixer_io_set_dB(sndo_mixer_t *mixer, enum sndo_mixer_io_type type, int *val);
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int sndo_mixer_io_try_set_dB(sndo_mixer_t *mixer, enum sndo_mixer_io_type type, int *val);
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int sndo_mixer_io_change(sndo_mixer_t *mixer, enum sndo_mixer_io_type *changed, int changed_array_size);
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/** \} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ALSA_MIXER_SIMPLE_H */
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