close_framegrabber关闭帧抓取器get_framegrabber_callback获取帧抓取器回调get_framegrabber_lut获取帧抓取器查找表get_framegrabber_param获取帧抓取器参数grab_data抓取数据grab_data_async抓取数据异步grab_image抓取图像grab_image_async抓取图像异步grab_image_start抓取图像开始info_framegrabber信息帧抓取器open_framegrabber打开帧抓取器set_framegrabber_callback设置帧抓取器回调set_framegrabber_lut设置帧抓取器查找表set_framegrabber_param设置帧抓取器参数