pcm_ioplug.h File Reference

External I/O-Plugin SDK. More...

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Data Structures
struct	snd_pcm_ioplug_t
struct	snd_pcm_ioplug_callback_t

Macros
#define	SND_PCM_IOPLUG_FLAG_LISTED   (1<<0)
#define	SND_PCM_IOPLUG_FLAG_MONOTONIC   (1<<1)
#define	SND_PCM_IOPLUG_FLAG_BOUNDARY_WA   (1<<2)
#define	SND_PCM_IOPLUG_VERSION_MAJOR   1
#define	SND_PCM_IOPLUG_VERSION_MINOR   0
#define	SND_PCM_IOPLUG_VERSION_TINY   2
#define	SND_PCM_IOPLUG_VERSION

Typedefs
typedef snd_pcm_ioplug	snd_pcm_ioplug_t
typedef snd_pcm_ioplug_callback	snd_pcm_ioplug_callback_t

Enumerations
enum	{   SND_PCM_IOPLUG_HW_ACCESS = 0 , SND_PCM_IOPLUG_HW_FORMAT , SND_PCM_IOPLUG_HW_CHANNELS , SND_PCM_IOPLUG_HW_RATE ,   SND_PCM_IOPLUG_HW_PERIOD_BYTES , SND_PCM_IOPLUG_HW_BUFFER_BYTES , SND_PCM_IOPLUG_HW_PERIODS , SND_PCM_IOPLUG_HW_PARAMS }

Functions
int	snd_pcm_ioplug_create (snd_pcm_ioplug_t *io, const char *name, snd_pcm_stream_t stream, int mode)
	Create an ioplug instance. More...
int	snd_pcm_ioplug_delete (snd_pcm_ioplug_t *io)
	Delete the ioplug instance. More...
int	snd_pcm_ioplug_reinit_status (snd_pcm_ioplug_t *ioplug)
	Reinitialize the poll and mmap status. More...
const snd_pcm_channel_area_t *	snd_pcm_ioplug_mmap_areas (snd_pcm_ioplug_t *ioplug)
	Get mmap area of ioplug. More...
void	snd_pcm_ioplug_params_reset (snd_pcm_ioplug_t *io)
	Reset ioplug parameters. More...
int	snd_pcm_ioplug_set_param_minmax (snd_pcm_ioplug_t *io, int type, unsigned int min, unsigned int max)
	Set parameter as the min/max values. More...
int	snd_pcm_ioplug_set_param_list (snd_pcm_ioplug_t *io, int type, unsigned int num_list, const unsigned int *list)
	Set parameter as the list. More...
int	snd_pcm_ioplug_set_state (snd_pcm_ioplug_t *ioplug, snd_pcm_state_t state)
	Change the ioplug PCM status. More...
snd_pcm_uframes_t	snd_pcm_ioplug_avail (const snd_pcm_ioplug_t *const ioplug, const snd_pcm_uframes_t hw_ptr, const snd_pcm_uframes_t appl_ptr)
	Get the available frames. This function can be used to calculate the the available frames before calling snd_pcm_avail_update() More...
snd_pcm_uframes_t	snd_pcm_ioplug_hw_avail (const snd_pcm_ioplug_t *const ioplug, const snd_pcm_uframes_t hw_ptr, const snd_pcm_uframes_t appl_ptr)
	Get the available frames. This function can be used to calculate the the available frames before calling snd_pcm_avail_update() More...

Detailed Description

External I/O-Plugin SDK.

Author

Takashi Iwai tiwai.nosp@m.@sus.nosp@m.e.de

Date

2005

External I/O-Plugin SDK