Hello,
A while back vloopback support was implemented in LiVES and I build a
videomapping patch for this in Pure Data. I used this for a short while
without problems, but short after that when I wanted to start documenting I
got a lot of performance/version issues.
I have been searching and found some problems:
>From kernel-2.6.38 there is no V4L support in the kernel any more, so
vloopback wil not work.
Also in kernel-2.6.37 vloopback does not perform at al and only one video
dev is working at the same time, the stream each in turn instead of at the
same time.
So to use this functionality you will be stuck at kernel 2.6.26, which in
some distributions is already not supported any more.
There is an alternative, v4l2loopback:
https://github.com/umlaeute/v4l2loopback
It will solve the version issues and I also think/hope it will solve the
performance issues, cause there is no v4l -> v4l2 conversion and back.
Other wise the vloopback support will be quite useless and it will not be
worth to document the patch in this manner.
Do you think you are willing to upgrade loopback support to v4l2loopback
soon, or will I need to find another solution?
I am willing to do testing and document the performance and possibilities
with my patch.
Regards,
Harrie
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