mirror of
https://github.com/alsa-project/alsa-lib.git
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66 lines
3 KiB
C
66 lines
3 KiB
C
/****************************************************************************
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* *
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* pcm.h *
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* Digital Audio Interface *
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* *
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****************************************************************************/
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#define SND_PCM_OPEN_PLAYBACK (O_WRONLY)
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#define SND_PCM_OPEN_RECORD (O_RDONLY)
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#define SND_PCM_OPEN_DUPLEX (O_RDWR)
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#ifdef __cplusplus
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extern "C" {
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#endif
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int snd_pcm_open( void **handle, int card, int device, int mode );
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int snd_pcm_close( void *handle );
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int snd_pcm_file_descriptor( void *handle );
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int snd_pcm_block_mode( void *handle, int enable );
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int snd_pcm_info( void *handle, snd_pcm_info_t *info );
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int snd_pcm_playback_info( void *handle, snd_pcm_playback_info_t *info );
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int snd_pcm_record_info( void *handle, snd_pcm_record_info_t *info );
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int snd_pcm_playback_switches( void *handle );
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int snd_pcm_playback_switch( void *handle, const char *switch_id );
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int snd_pcm_playback_switch_read( void *handle, int switchn, snd_pcm_switch_t *data );
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int snd_pcm_playback_switch_write( void *handle, int switchn, snd_pcm_switch_t *data );
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int snd_pcm_record_switches( void *handle );
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int snd_pcm_record_switch( void *handle, const char *switch_id );
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int snd_pcm_record_switch_read( void *handle, int switchn, snd_pcm_switch_t *data );
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int snd_pcm_record_switch_write( void *handle, int switchn, snd_pcm_switch_t *data );
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int snd_pcm_playback_format( void *handle, snd_pcm_format_t *format );
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int snd_pcm_record_format( void *handle, snd_pcm_format_t *format );
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int snd_pcm_playback_params( void *handle, snd_pcm_playback_params_t *params );
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int snd_pcm_record_params( void *handle, snd_pcm_record_params_t *params );
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int snd_pcm_playback_status( void *handle, snd_pcm_playback_status_t *status );
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int snd_pcm_record_status( void *handle, snd_pcm_record_status_t *status );
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int snd_pcm_drain_playback( void *handle );
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int snd_pcm_flush_playback( void *handle );
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int snd_pcm_flush_record( void *handle );
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int snd_pcm_playback_pause( void *handle, int enable );
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int snd_pcm_playback_time( void *handle, int enable );
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int snd_pcm_record_time( void *handle, int enable );
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ssize_t snd_pcm_write( void *handle, const void *buffer, size_t size );
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ssize_t snd_pcm_read( void *handle, void *buffer, size_t size );
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#ifdef __cplusplus
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}
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#endif
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#define SND_PCM_LB_OPEN_PLAYBACK 0
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#define SND_PCM_LB_OPEN_RECORD 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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int snd_pcm_loopback_open( void **handle, int card, int device, int mode );
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int snd_pcm_loopback_close( void *handle );
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int snd_pcm_loopback_file_descriptor( void *handle );
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int snd_pcm_loopback_stream_mode( void *handle, int mode );
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int snd_pcm_loopback_format( void *handle, snd_pcm_format_t *format );
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ssize_t snd_pcm_loopback_read( void *handle, void *buffer, size_t size );
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#ifdef __cplusplus
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}
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#endif
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