unsafe extern "C" fn base_transform_accept_caps<T: BaseTransformImpl>(
ptr: *mut GstBaseTransform,
direction: GstPadDirection,
caps: *mut GstCaps,
) -> gboolean
unsafe extern "C" fn base_transform_accept_caps<T: BaseTransformImpl>(
ptr: *mut GstBaseTransform,
direction: GstPadDirection,
caps: *mut GstCaps,
) -> gboolean