/**************************************************************************** * * * 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_switches( void *handle ); int snd_ctl_switch( void *handle, const char *channel_id ); int snd_ctl_switch_read( void *handle, int switchn, struct snd_ctl_switch *data ); int snd_ctl_switch_write( void *handle, int switchn, struct snd_ctl_switch *data ); 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 ); int snd_ctl_rawmidi_info( void *handle, int dev, snd_rawmidi_info_t *info ); #ifdef __cplusplus } #endif