unsafe extern "C" fn base_transform_get_unit_size<T: BaseTransformImpl>(
ptr: *mut GstBaseTransform,
caps: *mut GstCaps,
size: *mut usize,
) -> gboolean
unsafe extern "C" fn base_transform_get_unit_size<T: BaseTransformImpl>(
ptr: *mut GstBaseTransform,
caps: *mut GstCaps,
size: *mut usize,
) -> gboolean