Type Alias gstreamer_sys::GstControlSourceGetValue

pub type GstControlSourceGetValue = Option<unsafe extern "C" fn(_: *mut GstControlSource, _: GstClockTime, _: *mut c_double) -> gboolean>;

Aliased Type

enum GstControlSourceGetValue {
    None,
    Some(unsafe extern "C" fn(_: *mut GstControlSource, _: u64, _: *mut f64) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut GstControlSource, _: u64, _: *mut f64) -> i32)

Some value of type T.