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Jaroslav Kysela 1998-08-27 20:13:52 +00:00
parent 338cf74af2
commit df8ab35aac
1 changed files with 0 additions and 163 deletions
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163
include/soundlib.h
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/*
* Application interface library for the ALSA driver
* Copyright (c) by Jaroslav Kysela <perex@jcu.cz>
*
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef __SOUNDLIB_H
#define __SOUNDLIB_H
#include <linux/sound.h>
#include <unistd.h>
/*
* version.h
*/
#define SOUNDLIB_VERSION_MAJOR 0
#define SOUNDLIB_VERSION_MINOR 0
#define SOUNDLIB_VERSION_SUBMINOR 10
#define SOUNDLIB_VERSION ( ( LIBULTRA_VERSION_MAJOR << 16 ) | ( LIBULTRA_VERSION_MINOR << 8 ) | LIB_ULTRA_VERSION_SUBMINOR )
/*
* error.h
*/
#define SND_ERROR_BEGIN 500000
#define SND_ERROR_UNCOMPATIBLE_VERSION (SND_ERROR_BEGIN+0)
#ifdef __cplusplus
extern "C" {
#endif
const char *snd_strerror( int errnum );
#ifdef __cplusplus
}
#endif
/****************************************************************************
* *
* control.h *
* Control Interface *
* *
****************************************************************************/
#ifdef __cplusplus
extern "C" {
#endif
int snd_cards( void );
unsigned int snd_cards_mask( void );
int snd_card_name( const char *name );
int snd_ctl_open( void **handle, int card );
int snd_ctl_close( void *handle );
int snd_ctl_file_descriptor( void *handle );
int snd_ctl_hw_info( void *handle, struct snd_ctl_hw_info *info );
int snd_ctl_pcm_info( void *handle, int dev, snd_pcm_info_t *info );
int snd_ctl_pcm_playback_info( void *handle, int dev, snd_pcm_playback_info_t *info );
int snd_ctl_pcm_record_info( void *handle, int dev, snd_pcm_record_info_t *info );
int snd_ctl_mixer_info( void *handle, int dev, snd_mixer_info_t *info );
#ifdef __cplusplus
}
#endif
/****************************************************************************
* *
* mixer.h *
* Mixer Interface *
* *
****************************************************************************/
typedef struct snd_mixer_callbacks {
void *private_data; /* should be used by application */
void (*channel_was_changed)( void *private_data, int channel );
void (*switch_was_changed)( void *private_data, int switchn );
void *reserved[14]; /* reserved for future use - must be NULL!!! */
} snd_mixer_callbacks_t;
#ifdef __cplusplus
extern "C" {
#endif
int snd_mixer_open( void **handle, int card, int device );
int snd_mixer_close( void *handle );
int snd_mixer_file_descriptor( void *handle );
int snd_mixer_channels( void *handle );
int snd_mixer_info( void *handle, snd_mixer_info_t *info );
int snd_mixer_exact_mode( void *handle, int enable );
int snd_mixer_channel( void *handle, const char *channel_id );
int snd_mixer_channel_info( void *handle, int channel, snd_mixer_channel_info_t *info );
int snd_mixer_channel_read( void *handle, int channel, snd_mixer_channel_t *data );
int snd_mixer_channel_write( void *handle, int channel, snd_mixer_channel_t *data );
int snd_mixer_switches( void *handle );
int snd_mixer_switch_read( void *handle, int switchn, snd_mixer_switch_t *data );
int snd_mixer_switch_write( void *handle, int switchn, snd_mixer_switch_t *data );
int snd_mixer_read( void *handle, snd_mixer_callbacks_t *callbacks );
#ifdef __cplusplus
}
#endif
/****************************************************************************
* *
* pcm.h *
* Digital Audio Interface *
* *
****************************************************************************/
#define SND_PCM_OPEN_PLAYBACK (O_WRONLY)
#define SND_PCM_OPEN_RECORD (O_RDONLY)
#define SND_PCM_OPEN_DUPLEX (O_RDWR)
#ifdef __cplusplus
extern "C" {
#endif
int snd_pcm_open( void **handle, int card, int device, int mode );
int snd_pcm_close( void *handle );
int snd_pcm_file_descriptor( void *handle );
int snd_pcm_block_mode( void *handle, int enable );
int snd_pcm_info( void *handle, snd_pcm_info_t *info );
int snd_pcm_playback_info( void *handle, snd_pcm_playback_info_t *info );
int snd_pcm_record_info( void *handle, snd_pcm_record_info_t *info );
int snd_pcm_playback_format( void *handle, snd_pcm_format_t *format );
int snd_pcm_record_format( void *handle, snd_pcm_format_t *format );
int snd_pcm_playback_params( void *handle, snd_pcm_playback_params_t *params );
int snd_pcm_record_params( void *handle, snd_pcm_record_params_t *params );
int snd_pcm_playback_status( void *handle, snd_pcm_playback_status_t *status );
int snd_pcm_record_status( void *handle, snd_pcm_record_status_t *status );
int snd_pcm_drain_playback( void *handle );
int snd_pcm_flush_playback( void *handle );
int snd_pcm_flush_record( void *handle );
int snd_pcm_playback_time( void *handle, int enable );
int snd_pcm_record_time( void *handle, int enable );
ssize_t snd_pcm_write( void *handle, const void *buffer, size_t size );
ssize_t snd_pcm_read( void *handle, void *buffer, size_t size );
#ifdef __cplusplus
}
#endif
/*
*
*/
#endif /* __SOUNDLIB_H */