Comments (6)
please explain what you mean by '"motion" surveillance software support'.
and what "it" is, that outputs those things.
anyhow: v4l2loopback's aim is to be a fully v4l2-conformant capture-device (from the consumer point of view); i'll hapiily fix all bugs that exhibit non-standard conformant behaviour. any application that can work with a standards-conformant device should thus work.
however, i will NOT add any code to support a specific application (that makes assumptions on the devices which they ought not make)
from v4l2loopback.
sorry
Motion is a program that monitors the video signal from cameras. It is able to detect if a significant part of the picture has changed; in other words, it can detect motion. You can find information about it here: http://www.lavrsen.dk/foswiki/bin/view/Motion/WebHome
This program uses vloopback kernel module to make a pipe between the camera device (e.g. /dev/video0) to some virtual video device created by vloopback module (e.g. /dev/video8)
But vloopback module uses v4l1 API, which is excluded from last debian and ubuntu distributions. So I just tried to use your v4l2loopback module with motion program. But motion outputs those messages.
Thank you for your explanations, I already understood that it is not a problem of your code, I'll try to ask motion program authors for support of v4l2loopback device.
from v4l2loopback.
thanks for the further info.
note that i'm not saying that it is not a problem of my code, i'm sure that it is full of bugs.
but it might as well be the problem of the application
and i'm keep getting mails like "skype is not working, please fix it" which is quite annoying (and even more so, since skype/M$ make quite some money, while v4l2loopback has not institutional backing)
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hmm, i can confirm that "motion-3.2.12" as packaged in debian is not working.
but then i checked out the svn version of motion and the git version and it seems to work just fine with a standard v4l2loopback device. so i think the problem is indeed on the (old verseion of) motion and has been fixed in the meantime.
from v4l2loopback.
Oh! Thank you very much! I saw the discussion about v4l2loopback integration on motion home in 2011 year, but I thought that they still didn't integrate it. I'll try to check git version of motion this eventing and report you if you are interesting about it.
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sure, it would be nice to have it as a usecase on the wiki
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Related Issues (20)
- Failed to stream H264 to virtual camera: "does not support 2:4:7:1 colorimetry" HOT 3
- Devices limited to 8 even with KCPP flag HOT 1
- Chromium cannot read camera: Dequeued v4l2 buffer contains invalid length HOT 5
- DKMS Won't Sign When Building HOT 3
- Dummy device made via v4l2loopback is busy HOT 6
- wont compile on 32bit armv7l HOT 3
- Caught SIGSEGV
- DKMS fails to build against 6.8-rc1 kernel due to use of strlcpy
- can't increase Read/Write buffers from 2 to 4 HOT 1
- resolution 2048x1 does not work HOT 5
- Fails to build against Kernel 6.8-rc6 HOT 3
- dkms build fails on kernel version >6.8.0 HOT 7
- Possible Missing Dependency? HOT 5
- getNextFrame no data errno:0 Success HOT 1
- getNextFrame no data errno:0 Success on v4l2rtspserver log with verbose HOT 2
- how create duplicate device0 and /dev/video1 who desn't have "Video Capture"? HOT 5
- modprobe: ERROR: could not insert 'v4l2loopback': Exec format error HOT 3
- Linux 6.8.4 seems to have broken v4l2loopback in several ways. HOT 6
- Linux 6.8.4 seems to have broken v4l2loopback in several ways.
- [Bug]: Can't create second device HOT 8
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