alsa_sys

Type Alias snd_pcm_scope_ops_t

Source 
pub type snd_pcm_scope_ops_t = _snd_pcm_scope_ops;
Expand description

#SND_PCM_TYPE_METER scope functions

Aliased Type§

#[repr(C)]
pub struct snd_pcm_scope_ops_t {
    pub enable: Option<unsafe extern "C" fn(*mut _snd_pcm_scope) -> i32>,
    pub disable: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>,
    pub start: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>,
    pub stop: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>,
    pub update: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>,
    pub reset: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>,
    pub close: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>,
}

Fields§

§enable: Option<unsafe extern "C" fn(*mut _snd_pcm_scope) -> i32>

\brief Enable and prepare it using current params \param scope scope handle

§disable: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>

\brief Disable \param scope scope handle

§start: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>

\brief PCM has been started \param scope scope handle

§stop: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>

\brief PCM has been stopped \param scope scope handle

§update: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>

\brief New frames are present \param scope scope handle

§reset: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>

\brief Reset status \param scope scope handle

§close: Option<unsafe extern "C" fn(*mut _snd_pcm_scope)>

\brief PCM is closing \param scope scope handle