类型别名 AVOpenCallback 

pub type AVOpenCallback = Option<unsafe extern "C" fn(s: *mut AVFormatContext, pb: *mut *mut AVIOContext, url: *const c_char, flags: c_int, int_cb: *const AVIOInterruptCB, options: *mut *mut AVDictionary) -> c_int>;

别名类型

pub enum AVOpenCallback {
    None,
    Some(unsafe extern "C" fn(*mut AVFormatContext, *mut *mut AVIOContext, *const i8, i32, *const AVIOInterruptCB, *mut *mut AVDictionary) -> i32),
}

Variants

None

No value.

Some(unsafe extern "C" fn(*mut AVFormatContext, *mut *mut AVIOContext, *const i8, i32, *const AVIOInterruptCB, *mut *mut AVDictionary) -> i32)

Some value of type T.