snd_pcm_scope_ops_t Struct Reference

Data Fields
int(*	enable )(snd_pcm_scope_t *scope)
	Enable and prepare it using current params. More...
void(*	disable )(snd_pcm_scope_t *scope)
	Disable. More...
void(*	start )(snd_pcm_scope_t *scope)
	PCM has been started. More...
void(*	stop )(snd_pcm_scope_t *scope)
	PCM has been stopped. More...
void(*	update )(snd_pcm_scope_t *scope)
	New frames are present. More...
void(*	reset )(snd_pcm_scope_t *scope)
	Reset status. More...
void(*	close )(snd_pcm_scope_t *scope)
	PCM is closing. More...

Detailed Description

SND_PCM_TYPE_METER scope functions

Field Documentation

close

void(* snd_pcm_scope_ops_t::close) (snd_pcm_scope_t *scope)

PCM is closing.

Parameters

scope

scope handle

disable

void(* snd_pcm_scope_ops_t::disable) (snd_pcm_scope_t *scope)

Disable.

Parameters

scope

scope handle

enable

int(* snd_pcm_scope_ops_t::enable) (snd_pcm_scope_t *scope)

Enable and prepare it using current params.

Parameters

scope

scope handle

reset

void(* snd_pcm_scope_ops_t::reset) (snd_pcm_scope_t *scope)

Reset status.

Parameters

scope

scope handle

start

void(* snd_pcm_scope_ops_t::start) (snd_pcm_scope_t *scope)

PCM has been started.

Parameters

scope

scope handle

stop

void(* snd_pcm_scope_ops_t::stop) (snd_pcm_scope_t *scope)

PCM has been stopped.

Parameters

scope

scope handle

update

void(* snd_pcm_scope_ops_t::update) (snd_pcm_scope_t *scope)

New frames are present.

Parameters

scope

scope handle

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

• /packaging/alsa-lib/include/pcm.h