请问有遇到过 海思Hi3536 解码出来的视频模糊的吗？不知道该调哪些参数解决。

海思hi3516A 用pqtools里的raw工具获取失败，谁遇到过？

请问大家有没有运行过laboshinl 的loam_velodyne ，运行的时候这个错是为啥呢？

请教各位，一个ip 不同的端口，一个端口一个项目  能输入不同的域名（不带端口的域名）进行访问，要如何设置 tomcat环境？

请教大家，我在做ROS教程中的编写简单发布器和订阅器这小节，但是编完了运行时出错，提示没有生成可执行文件。有谁遇到过吗？求指教

请教一个ROS问题，move_base中发出的cmd_vel速度指令linear.x和linear.y是指的传给底盘x和y方向的速度吗？

~ # usb 3-1: new high-speed USB device number 10 using ehci-platform usb 3-1: device descriptor read/64, error -71 usb 3-1: device descriptor read/64, error -71 usb 3-1: new high-speed USB device number 11 using ehci-platform usb 3-1: device descriptor read/64, error -71 usb 3-1: device descriptor read/64, error -71 usb 3-1: new high-speed USB device number 12 using ehci-platform usb 3-1: device not accepting address 12, error -71 usb 3-1: new high-speed USB device number 13 using ehci-platform usb 3-1: device not accepting address 13, error -71 usb usb3-port1: unable to enumerate USB device usb 4-1: new full-speed USB device number 10 using ohci-platform usb 4-1: not running at top speed; connect to a high speed hub usb 4-1: unable to read config index 0 descriptor/start: -61 usb 4-1: can't read configurations, error -61 usb 4-1: new full-speed USB device number 11 using ohci-platform usb 4-1: not running at top speed; connect to a high speed hub usb 4-1: unable to read config index 0 descriptor/start: -61 usb 4-1: can't read configurations, error -61 usb 4-1: new full-speed USB device number 12 using ohci-platform usb 4-1: not running at top speed; connect to a high speed hub usb 4-1: unable to read config index 0 descriptor/start: -61 usb 4-1: can't read configurations, error -61 usb 4-1: new full-speed USB device number 13 using ohci-platform usb 4-1: not running at top speed; connect to a high speed hub usb 4-1: unable to read config index 0 descriptor/start: -61 usb 4-1: can't read configurations, error -61 usb usb4-port1: unable to enumerate USB device 请问这个有谁遇到过？usb插上之后打印这样的错误

请问下，淘宝的 ipcam ， 宣称自带 海康大华雄迈协议， 是怎么搞的？破解的？

有大佬使用过ffmpeg将aac和H264合成MP4吗

各位大哥，请教一下，hi3559a怎么添加can，支持can功能吗

vo bt1120转HDMI输出怎么配置？运行sample程序为什么没图像输出？