Struct alsa_sys::_snd_pcm_scope_ops

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

#SND_PCM_TYPE_METER scope functions

Fields

enable: Option<unsafe extern "C" fn(scope: *mut snd_pcm_scope_t) -> c_int>

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

disable: Option<unsafe extern "C" fn(scope: *mut snd_pcm_scope_t)>

\brief Disable \param scope scope handle

start: Option<unsafe extern "C" fn(scope: *mut snd_pcm_scope_t)>

\brief PCM has been started \param scope scope handle

stop: Option<unsafe extern "C" fn(scope: *mut snd_pcm_scope_t)>

\brief PCM has been stopped \param scope scope handle

update: Option<unsafe extern "C" fn(scope: *mut snd_pcm_scope_t)>

\brief New frames are present \param scope scope handle

reset: Option<unsafe extern "C" fn(scope: *mut snd_pcm_scope_t)>

\brief Reset status \param scope scope handle

close: Option<unsafe extern "C" fn(scope: *mut snd_pcm_scope_t)>

\brief PCM is closing \param scope scope handle

Trait Implementations

impl Clone for _snd_pcm_scope_ops

fn clone(&self) -> _snd_pcm_scope_ops

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for _snd_pcm_scope_ops

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Copy for _snd_pcm_scope_ops