Collaboration diagram for snd_pcm_extplug_callback_t:

Data Fields
snd_pcm_sframes_t(*	transfer )(snd_pcm_extplug_t ext, const snd_pcm_channel_area_t dst_areas, snd_pcm_uframes_t dst_offset, const snd_pcm_channel_area_t *src_areas, snd_pcm_uframes_t src_offset, snd_pcm_uframes_t size)

int(*	close )(snd_pcm_extplug_t *ext)

int(*	hw_params )(snd_pcm_extplug_t ext, snd_pcm_hw_params_t params)

int(*	hw_free )(snd_pcm_extplug_t *ext)

void(*	dump )(snd_pcm_extplug_t ext, snd_output_t out)

int(*	init )(snd_pcm_extplug_t *ext)

snd_pcm_chmap_query_t *(	query_chmaps )(snd_pcm_extplug_t *ext)

snd_pcm_chmap_t (	get_chmap )(snd_pcm_extplug_t *ext)

int(*	set_chmap )(snd_pcm_extplug_t ext, const snd_pcm_chmap_t map)

Detailed Description

Callback table of extplug

Field Documentation

int(* snd_pcm_extplug_callback_t::close) (snd_pcm_extplug_t *ext)

close the PCM; optional

void(* snd_pcm_extplug_callback_t::dump) (snd_pcm_extplug_t *ext, snd_output_t *out)

dump; optional

snd_pcm_chmap_t *(* snd_pcm_extplug_callback_t::get_chmap) (snd_pcm_extplug_t *ext)

get the channel map; optional; since v1.0.2

int(* snd_pcm_extplug_callback_t::hw_free) (snd_pcm_extplug_t *ext)

hw_free; optional

int(* snd_pcm_extplug_callback_t::hw_params) (snd_pcm_extplug_t *ext, snd_pcm_hw_params_t *params)

hw_params; optional

int(* snd_pcm_extplug_callback_t::init) (snd_pcm_extplug_t *ext)

init; optional initialization called at prepare or reset

snd_pcm_chmap_query_t **(* snd_pcm_extplug_callback_t::query_chmaps) (snd_pcm_extplug_t *ext)

query the channel maps; optional; since v1.0.2

int(* snd_pcm_extplug_callback_t::set_chmap) (snd_pcm_extplug_t *ext, const snd_pcm_chmap_t *map)

set the channel map; optional; since v1.0.2

transfer between source and destination; this is a required callback

The documentation for this struct was generated from the following file: