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This commit is contained in:
Jaroslav Kysela 1998-08-13 15:42:56 +00:00
commit 5abac67626
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35
include/mixer.h Normal file
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/****************************************************************************
* *
* 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 *reserved[15]; /* 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_special_read( void *handle, snd_mixer_special_t *special );
int snd_mixer_special_write( void *handle, snd_mixer_special_t *special );
int snd_mixer_read( void *handle, snd_mixer_callbacks_t *callbacks );
#ifdef __cplusplus
}
#endif