Re: [Linux-uvc-devel] Logitech Quickcam for Notebooks Pro

[Binary X. <bx...@gm...>]

On 1/31/06, Laurent Pinchart <lau...@sk...> wrote:
>
> > > > im currently looking through the libng source code (included in the
> CVS
> > > > version of aMSN, utils/linux/capture/libng), and i really dont know
> > > > where to start. I cant find (or  just blind to) the YUYV converter
> in
> > > > the code, and assuming i can find it, still not sure where to put
> the
> > > > mjpeg decoder
> > >
> > > Try to ask the aMSN developers.
> > >
> > > The best solution to that problem would probably to have a v4l
> user-space
> > > library which would handle decompression in user-space (this would
> also
> > > have the benefit to make user-space drivers possible).
> >
> > I'm currently trying to change my libpwc to be able to decompress the
> MJPEG
> > buffer and convert it in YUV420P or RGB24. So perhaps one day, we will
> have
> > a v4l2 library like in the alsa world. As i've a pretty small decoder,
> this
> > can be embeded in a lot of applications. But i don't known if more
> > developper will want to use the tiny library, so for the moment, it's
> just
> > a small pixel format convertion library.
>
> Should we raise the topic on the video4linux mailing list ?
>
> Laurent Pinchart


No doubt the mailing list is different than the irc channel, but i doubt the
outcome will be much different. Ive been lurking around the v4l channel and
havent  gotten much response on the matter, a similar 'do it your self' type
answer.