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