pub unsafe extern "C" fn av_hwdevice_ctx_create_derived(
dst_ctx: *mut *mut AVBufferRef,
type_: AVHWDeviceType,
src_ctx: *mut AVBufferRef,
flags: c_int,
) -> c_int
pub unsafe extern "C" fn av_hwdevice_ctx_create_derived(
dst_ctx: *mut *mut AVBufferRef,
type_: AVHWDeviceType,
src_ctx: *mut AVBufferRef,
flags: c_int,
) -> c_int