Type Alias AVFifoCB 

pub type AVFifoCB = Option<unsafe extern "C" fn(opaque: *mut c_void, buf: *mut c_void, nb_elems: *mut usize) -> c_int>;

Aliased Type

pub enum AVFifoCB {
    None,
    Some(unsafe extern "C" fn(*mut c_void, *mut c_void, *mut usize) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut c_void, *mut c_void, *mut usize) -> i32)

Some value of type T.