31 #ifndef __ALSA_PCM_IOPLUG_H
32 #define __ALSA_PCM_IOPLUG_H
61 #define SND_PCM_IOPLUG_FLAG_LISTED (1<<0)
62 #define SND_PCM_IOPLUG_FLAG_MONOTONIC (1<<1)
67 #define SND_PCM_IOPLUG_VERSION_MAJOR 1
68 #define SND_PCM_IOPLUG_VERSION_MINOR 0
69 #define SND_PCM_IOPLUG_VERSION_TINY 1
73 #define SND_PCM_IOPLUG_VERSION ((SND_PCM_IOPLUG_VERSION_MAJOR<<16) |\
74 (SND_PCM_IOPLUG_VERSION_MINOR<<8) |\
75 (SND_PCM_IOPLUG_VERSION_TINY))
128 int (*
stop)(snd_pcm_ioplug_t *io);
167 int (*
pause)(snd_pcm_ioplug_t *io,
int enable);
183 int (*
poll_revents)(snd_pcm_ioplug_t *io,
struct pollfd *pfd,
unsigned int nfds,
unsigned short *revents);
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.
Definition: pcm_ioplug.c:985
void(* dump)(snd_pcm_ioplug_t *io, snd_output_t *out)
Definition: pcm_ioplug.h:187
struct _snd_pcm_sw_params snd_pcm_sw_params_t
Definition: pcm.h:65
volatile snd_pcm_uframes_t appl_ptr
Definition: pcm_ioplug.h:107
Definition: pcm_ioplug.h:44
snd_pcm_state_t
Definition: pcm.h:255
Definition: pcm_ioplug.h:43
int(* hw_params)(snd_pcm_ioplug_t *io, snd_pcm_hw_params_t *params)
Definition: pcm_ioplug.h:147
int snd_pcm_ioplug_set_state(snd_pcm_ioplug_t *ioplug, snd_pcm_state_t state)
Change the ioplug PCM status.
Definition: pcm_ioplug.c:1068
unsigned int poll_events
Definition: pcm_ioplug.h:90
const snd_pcm_channel_area_t * snd_pcm_ioplug_mmap_areas(snd_pcm_ioplug_t *ioplug)
Get mmap area of ioplug.
Definition: pcm_ioplug.c:1051
int snd_pcm_ioplug_delete(snd_pcm_ioplug_t *io)
Delete the ioplug instance.
Definition: pcm_ioplug.c:956
int(* poll_descriptors_count)(snd_pcm_ioplug_t *io)
Definition: pcm_ioplug.h:175
struct _snd_pcm_hw_params snd_pcm_hw_params_t
Definition: pcm.h:62
int(* pause)(snd_pcm_ioplug_t *io, int enable)
Definition: pcm_ioplug.h:167
const snd_pcm_ioplug_callback_t * callback
Definition: pcm_ioplug.h:95
int(* stop)(snd_pcm_ioplug_t *io)
Definition: pcm_ioplug.h:128
int(* resume)(snd_pcm_ioplug_t *io)
Definition: pcm_ioplug.h:171
int(* drain)(snd_pcm_ioplug_t *io)
Definition: pcm_ioplug.h:163
int(* poll_revents)(snd_pcm_ioplug_t *io, struct pollfd *pfd, unsigned int nfds, unsigned short *revents)
Definition: pcm_ioplug.h:183
int(* hw_free)(snd_pcm_ioplug_t *io)
Definition: pcm_ioplug.h:151
void * private_data
Definition: pcm_ioplug.h:99
Definition: pcm_ioplug.h:49
int nonblock
Definition: pcm_ioplug.h:109
int poll_fd
Definition: pcm_ioplug.h:89
Definition: pcm_ioplug.h:78
snd_pcm_format_t
Definition: pcm.h:123
long snd_pcm_sframes_t
Definition: pcm.h:311
Definition: pcm_ioplug.h:50
snd_pcm_uframes_t buffer_size
Definition: pcm_ioplug.h:116
Definition: pcm_ioplug.h:120
snd_pcm_uframes_t period_size
Definition: pcm_ioplug.h:115
unsigned int version
Definition: pcm_ioplug.h:83
int(* poll_descriptors)(snd_pcm_ioplug_t *io, struct pollfd *pfd, unsigned int space)
Definition: pcm_ioplug.h:179
struct _snd_output snd_output_t
Internal structure for an output object.
Definition: output.h:54
int(* sw_params)(snd_pcm_ioplug_t *io, snd_pcm_sw_params_t *params)
Definition: pcm_ioplug.h:155
snd_pcm_state_t state
Definition: pcm_ioplug.h:106
const char * name
Definition: pcm_ioplug.h:87
unsigned int rate
Definition: pcm_ioplug.h:114
snd_pcm_format_t format
Definition: pcm_ioplug.h:112
Definition: pcm_ioplug.h:48
int(* start)(snd_pcm_ioplug_t *io)
Definition: pcm_ioplug.h:124
snd_pcm_sframes_t(* pointer)(snd_pcm_ioplug_t *io)
Definition: pcm_ioplug.h:132
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.
Definition: pcm_ioplug.c:1009
snd_pcm_sframes_t(* transfer)(snd_pcm_ioplug_t *io, const snd_pcm_channel_area_t *areas, snd_pcm_uframes_t offset, snd_pcm_uframes_t size)
Definition: pcm_ioplug.h:136
int(* delay)(snd_pcm_ioplug_t *io, snd_pcm_sframes_t *delayp)
Definition: pcm_ioplug.h:191
unsigned int flags
Definition: pcm_ioplug.h:88
snd_pcm_access_t access
Definition: pcm_ioplug.h:111
int snd_pcm_ioplug_create(snd_pcm_ioplug_t *io, const char *name, snd_pcm_stream_t stream, int mode)
Create an ioplug instance.
Definition: pcm_ioplug.c:905
int(* close)(snd_pcm_ioplug_t *io)
Definition: pcm_ioplug.h:143
void snd_pcm_ioplug_params_reset(snd_pcm_ioplug_t *io)
Reset ioplug parameters.
Definition: pcm_ioplug.c:968
Definition: pcm_ioplug.h:45
Definition: pcm_ioplug.h:47
unsigned int channels
Definition: pcm_ioplug.h:113
snd_pcm_stream_t stream
Definition: pcm_ioplug.h:105
int snd_pcm_ioplug_reinit_status(snd_pcm_ioplug_t *ioplug)
Reinitialize the poll and mmap status.
Definition: pcm_ioplug.c:1034
unsigned long snd_pcm_uframes_t
Definition: pcm.h:309
snd_pcm_stream_t
Definition: pcm.h:99
snd_pcm_t * pcm
Definition: pcm_ioplug.h:103
int(* prepare)(snd_pcm_ioplug_t *io)
Definition: pcm_ioplug.h:159
Definition: pcm_ioplug.h:46
struct _snd_pcm snd_pcm_t
Definition: pcm.h:327
unsigned int mmap_rw
Definition: pcm_ioplug.h:91
volatile snd_pcm_uframes_t hw_ptr
Definition: pcm_ioplug.h:108
snd_pcm_access_t
Definition: pcm.h:108