unsafe extern "C" fn base_transform_submit_input_buffer<T: BaseTransformImpl>(
ptr: *mut GstBaseTransform,
is_discont: gboolean,
buf: *mut GstBuffer,
) -> GstFlowReturn
unsafe extern "C" fn base_transform_submit_input_buffer<T: BaseTransformImpl>(
ptr: *mut GstBaseTransform,
is_discont: gboolean,
buf: *mut GstBuffer,
) -> GstFlowReturn