Re: Intel MIPI IPU6 cameras support

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Hi Vratislav,

On 9/9/22 11:42, Vratislav Podzimek wrote:
> Hello,
> I got a new Dell XPS laptop with the "amazing" [1] Intel MIPI IPU6 webcam. There are upstream repos with drivers [2] and user-space stuff and Ubuntu [3] and Arch [4] have user repositories with everything required packaged. I found nothing available for Fedora so before I go and spend a couple nights trying to make things work on Fedora I want to make sure that, by any chance, someone is not already working on this to avoid duplicate efforts. And I have to add a disclaimer right away: I have no idea when I will find enough time to do the work.
> 
> [1] https://www.phoronix.com/news/Greg-KH-No-ADL-Webcam-Laptop
> [2] https://github.com/intel/ipu6-drivers
> [3] https://launchpad.net/~oem-solutions-group/+archive/ubuntu/intel-ipu6
> [4] https://aur.archlinux.org/packages/intel-ipu6-dkms-git

As others have explained the support for this cannot go in Fedora proper,
but we can try to add support through rpmfusion.

Actually I have working on getting this packaged up (through rpmfusion)
on my radar so that we will at least have something working for Fedora
users. It won't be pretty but it should at least get people's cameras
to show an image.

I should have hardware with an IPU6 using camera in there soonish and
then I can help you with your packaging efforts. Please let me know
how your packaging efforts are going.

Also note that you will also need to create a kmod package for
the also out of tree v4l2-loopback kernel driver. The closed-source
userspace bits Intel provide only work with gstreamer. So the
way this is used on other distros is with a little helper process
which runs a gstreamer-pipeline from the camera and then injects
the resulting frames back into the kernel through v4l2-loopback
so that e.g. firefox sees a good old /dev/video0 device.

This of course is anything but sufficient, requiring every
video frame to be copied at least one extra time.

Regards,

Hans
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