unsafe extern "C" fn base_transform_set_caps<T: BaseTransformImpl>(
ptr: *mut GstBaseTransform,
incaps: *mut GstCaps,
outcaps: *mut GstCaps,
) -> gboolean
unsafe extern "C" fn base_transform_set_caps<T: BaseTransformImpl>(
ptr: *mut GstBaseTransform,
incaps: *mut GstCaps,
outcaps: *mut GstCaps,
) -> gboolean