Type Alias gstreamer_sys::GstPadQueryFunction

pub type GstPadQueryFunction = Option<unsafe extern "C" fn(_: *mut GstPad, _: *mut GstObject, _: *mut GstQuery) -> gboolean>;

Aliased Type

enum GstPadQueryFunction {
    None,
    Some(unsafe extern "C" fn(_: *mut GstPad, _: *mut GstObject, _: *mut GstQuery) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(_: *mut GstPad, _: *mut GstObject, _: *mut GstQuery) -> i32)

Some value of type T.