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124 lines
3.7 KiB
C
124 lines
3.7 KiB
C
/**
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* \file <alsa/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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/** Ordinary Mixer latency 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 volume - left (0-1000) */
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SNDO_MIO_MASTER_LVOL = 0,
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/** master volume - right (0-1000) */
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SNDO_MIO_MASTER_RVOL,
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/** master volume - left mute (0 = off, 1 = on) */
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SNDO_MIO_MASTER_LMUTE,
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/** master volume - right mute (0 = off, 1 = on) */
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SNDO_MIO_MASTER_RMUTE,
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/** pcm volume - left (0-1000) */
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SNDO_MIO_Mixer_LVOL,
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/** pcm volume - right (0-1000) */
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SNDO_MIO_Mixer_RVOL,
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/** pcm volume - left mute (0 = off, 1 = on) */
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SNDO_MIO_Mixer_LMUTE,
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/** pcm volume - right mute (0 = off, 1 = on) */
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SNDO_MIO_Mixer_RMUTE,
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/** CD volume - left (0-1000) */
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SNDO_MIO_CD_LVOL,
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/** CD volume - right (0-1000) */
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SNDO_MIO_CD_RVOL,
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/** CD volume - left mute (0 = off, 1 = on) */
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SNDO_MIO_CD_LMUTE,
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/** CD volume - right mute (0 = off, 1 = on) */
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SNDO_MIO_CD_RMUTE,
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/** AUX volume - left (0-1000) */
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SNDO_MIO_AUX_LVOL,
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/** CD volume - right (0-1000) */
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SNDO_MIO_AUX_RVOL,
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/** CD volume - left mute (0 = off, 1 = on) */
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SNDO_MIO_AUX_LMUTE,
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/** CD volume - right mute (0 = off, 1 = on) */
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SNDO_MIO_AUX_RMUTE,
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/*
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* capture section
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*/
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/** capture gain - left (0-1000) */
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SNDO_MIO_CGAIN_LVOL = 0x1000,
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/** capture gain - right (0-1000) */
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SNDO_MIO_CGAIN_RVOL,
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/** capture source - mic switch (0 = off, 1 = on) */
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SNDO_MIO_CSOURCE_MIC = 0x1100,
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/** capture source - line switch (0 = off, 1 = on)*/
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SNDO_MIO_CSOURCE_LINE,
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/** capture source - CD switch (0 = off, 1 = on) */
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SNDO_MIO_CSOURCE_CD,
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/** capture source - AUX switch (0 = off, 1 = on) */
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SNDO_MIO_CSOURCE_AUX,
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/** capture source - mix switch (0 = off, 1 = on) */
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SNDO_MIO_CSOURCE_MIX
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};
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typedef struct sndo_mixer sndo_mixer_t;
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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, snd_config_t *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(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_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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