Wrong incoming frame length

Pushed new versions to PPA in
https://launchpad.net/~vicamo/+archive/ubuntu/ppa-2025204. The
original symptom is no longer reproducible on all Jammy kernels
generic-5.15.0-77, oem-5.17, hwe-5.19, oem-6.0, oem-6.1, and hwe-6.2.
Still attached debdiffs for reference, but I'll invalidate this update
attempt until proven necessary.

Mark as INVALID per comment #1.

Reopen this after re-tested with v4l2-relayd disabled, and following the verification steps on https://gitlab.freedesktop.org/gstreamer/gstreamer/-/issues/2532:

# start gst in one terminal
$ gst-launch-1.0 videotestsrc ! video/"x-raw,width=320,height=240" ! videoconvert ! v4l2sink device=/dev/video0

# start ffplay in another
ffplay -hide_banner -i /dev/video0

Need sponsoring.

Thanks for the contribution. This sponsor request was perfectly prepared. I only simplified the version number for lunar from 0.12.7-2ubuntu3.23.04.1 to 0.12.7-2ubuntu3.1, because the version 0.12.7-2ubuntu3 is only present in lunar.

I uploaded 0.12.7-2ubuntu4 to mantic, 0.12.7-2ubuntu3.1 to lunar, and 0.12.7-2ubuntu2~22.04.2 to jammy.

This bug was fixed in the package v4l2loopback - 0.12.7-2ubuntu4

---------------
v4l2loopback (0.12.7-2ubuntu4) mantic; urgency=medium

  * Fix wrong income frame length. (LP: #2025204)
    - v4l2loopback: Fixup bytesused field when writer sends a too large value

 -- You-Sheng Yang <email address hidden> Wed, 05 Jul 2023 14:05:05 +0200

Hello You-Sheng, or anyone else affected,

Accepted v4l2loopback into lunar-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/v4l2loopback/0.12.7-2ubuntu3.1 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-lunar to verification-done-lunar. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-lunar. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

Hello You-Sheng, or anyone else affected,

Accepted v4l2loopback into jammy-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/v4l2loopback/0.12.7-2ubuntu2~22.04.2 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-jammy to verification-done-jammy. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-jammy. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

You-Sheng, please document the output of your tests and package version number in addition to setting the verification-done tags.

Swapping the tags back as this is still awaiting documented verification. Please see the instructions in comment 7.

Ubuntu 23.04 (Lunar Lobster) has reached end of life, so this bug will not be fixed for that specific release.