request create_frame { frame: id(ext_image_copy_capture_frame_v1), } request destroy { } event buffer_size { width: u32, height: u32, } event shm_format { format: u32, } event dmabuf_device { device: pod(uapi::c::dev_t), } event dmabuf_format { format: u32, modifiers: array(pod(u8)), } event done { } event stopped { }