+Cc: maintainers / UVC maintainers On Sat, Feb 27, 2021 at 12:04 PM Zhengyang Feng <zyfeng97@xxxxxxxxx> wrote: > > Dear maintainers, > > I'm resending this because the previous email was not clear and should > be ignored. Sorry for the inconvenience caused. > > I was using HIK DS-U14 2K camera on Ubuntu 20.04 with built-in MIC > (but it has only one USB cable) but it seems unsupported. It > does not need a driver to be used on Windows (usable by just plugging > in). > I see no HIK devices on the support list > (http://www.ideasonboard.org/uvc/), but when I run lsusb -d 2bdf:0281 > -v | grep "14 Video" it does output several lines like these: > > bFunctionClass 14 Video > bInterfaceClass 14 Video > bInterfaceClass 14 Video > bInterfaceClass 14 Video > bInterfaceClass 14 Video > > It also says "Couldn't open device, some information will be missing". > But it does not require a driver to work on Windows, so it should be a > normal UVC device right? > > I observed that it is not supported as a camera, because although I > see /dev/video0 and /dev/video1 (quite odd since it is only 1 camera), > it fails by either OpenCV (cv2.VideoCapture(id)) or `cheese`, where it > says "cannot open by index" (I tried both video0 and video1). > Then I got the logs with `cheese`, in the zip file attached. I think since the > device is quite new on the market, maybe you guys haven't tested it. > > BTW, I installed the latest from > https://git.linuxtv.org/media_build.git before I generated the logs. > The camera shows same behavior before and after I installed the latest > version. And the USB connection works fine (I can use other cameras on > this machine), also the camera itself is fine (tested on Windows machines). > > Feel free to tell me this is unrelated to the project/this mailing > list, in that case I'll just > get another camera. > > -- > Yours sincerely, > Zhengyang -- With Best Regards, Andy Shevchenko
