On Tue, 14 Apr 2009 15:53:00 +0300 vasaka@xxxxxxxxx wrote: > On Tue, Apr 14, 2009 at 3:12 PM, Mauro Carvalho Chehab > <mchehab@xxxxxxxxxxxxx> wrote: > > > The issue I see is that the V4L drivers are meant to support real devices. This > > driver that is a loopback for some userspace driver. I don't discuss its value > > for testing purposes or other random usage, but I can't see why this should be > > at upstream kernel. > > > > So, I'm considering to add it at v4l-dvb tree, but as an out-of-tree driver > > only. For this to happen, probably, we'll need a few adjustments at v4l build. > > > > Cheers, > > Mauro > > > > Mauro, > > ok, let it be out-of -tree driver, this is also good as I do not have > to adapt the driver to each new kernel, but I want to argue alittle > about Inclusion of the driver into upstream kernel. > > Main reason for inclusion to the kernel is ease of use, as I > understand installing the out-of-tree driver for some kernel needs > downloading of the whole v4l-dvb tree(am I right?). > > Loopback gives one opportunities to do many fun things with video > streams and when it needs just one step to begin using it chances that > someone will do something useful with the driver are higher. > I, as a target user of vloopback, agree that having it in mainline would be really handy. Think that with a stable vloopback solution, with device detection and parameter setting, we can really make PTP digicams as webcams[1] useful, right now this is tricky and very uncomfortable on kernel update. > Awareness that there is such thing as loopback is also. If the driver > is in upstream tree - more people will see it and more chances that > more people will participate in loopback getiing better. > > vivi is an upstream driver :-) > Even vivi can be seen as a particular case of a vloopback device, can't it? Regards, Antonio [1] http://shell.studenti.unina.it/~ospite/section/it/dev/canoncam.html#English -- A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail? Web site: http://www.studenti.unina.it/~ospite Public key: http://www.studenti.unina.it/~ospite/aopubkey.asc
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