pub unsafe extern "C" fn av_packet_side_data_add(
sd: *mut *mut AVPacketSideData,
nb_sd: *mut c_int,
type_: AVPacketSideDataType,
data: *mut c_void,
size: usize,
flags: c_int,
) -> *mut AVPacketSideData
pub unsafe extern "C" fn av_packet_side_data_add(
sd: *mut *mut AVPacketSideData,
nb_sd: *mut c_int,
type_: AVPacketSideDataType,
data: *mut c_void,
size: usize,
flags: c_int,
) -> *mut AVPacketSideData