_snd_pcm_scope_ops Struct Reference
[Scope Plugin Extension]

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

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Detailed Description

SND_PCM_TYPE_METER scope functions

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Field Documentation

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

Enable and prepare it using current params.

Parameters:

scope

scope handle

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

Disable.

Parameters:

scope

scope handle

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

PCM has been started.

Parameters:

scope

scope handle

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

PCM has been stopped.

Parameters:

scope

scope handle

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

New frames are present.

Parameters:

scope

scope handle

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

Reset status.

Parameters:

scope

scope handle

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

PCM is closing.

Parameters:

scope

scope handle

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

• /home/alsa/tmp/cvs/alsa-lib/include/pcm.h

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