My machine is missing the entire Jetson V4L2 hardware decoding chain

I’m very sorry, I don’t know if I chose the wrong label

Hello, I can find the NVDEC kernel device node, but I got an error checking if the V4L2 hardware decoding device is registered. Take a look at the picture

Is there any way I can make up for the entire hardware decoding link missing on the machine? and use normally.

Hi,
Do you use AGX Orin, Orin NX, or Orin Nano? If you use Orin Nano, it does not have hardware encoder.

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我已经解决了,非常感谢,我安装了V4L2库文件以后解决了。