[olug] semi-OT: webcam for linux with local device

[Jay Swackhamer]

I've been using palantir for local webcams in zoneminder setups.

For other locations, I use cheap network cameras, and wget the image  
at 1fps or more, depending on how fast the device responds.

-- 
Jay Swackhamer
Reboot The User
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Quoting Will Langford <unfies at gmail.com>:

> The webcam at the moment is kind of up in the air.  The current target is
> probably a V4L composite capture card.  That might change to some kind of IP
> camera system if needed, etc.  Basically, I have a wireless camera that
> talks to a receiver that spits out composite ntsc.  At the moment, I'd be
> fine with a logitech quickcam or some other cheap webcam to work for testing
> the relay/server-stream abilities.
>
> And the goal is to get this as close to 10fps as possible :).
>
> -Will
>
>
> On Tue, Aug 19, 2008 at 2:08 PM, John Hobbs <john at velvetcache.org> wrote:
>
>> What kind of webcam?  I have some base code for a gspca device I was
>> playing with you might be able to use if it comes to that.  Are these
>> serving out to HTTP or something home-brew?
>>
>> If it's home brew I could see:
>>
>> HOME:  Get frame
>> HOME:  Encode/Compress
>> HOME:  UDP to server
>> SERV:  Forward frame to clients
>> CLIENT: Decompress
>> CLIENT: Display frame
>>
>> You could go pull instead of push on the clients too I suppose, time
>> stamp your frames so the client knows if anything fresh is there.
>>
>> - John Hobbs
>>
>> john at velvetcache.org
>>
>> On Tue, Aug 19, 2008 at 1:55 PM, Will Langford <unfies at gmail.com> wrote:
>> > Yeah, I was gonna wait for a reply before posting discovered bits about
>> > camserv :).
>> >
>> > I've also been looking at possibly ffserver.
>> >
>> > If the V4L api docs aren't too bad... i can see it being plausible to
>> render
>> > into a 5-10fps mpeg/xvid, then have something take that and create a
>> virtual
>> > V4L device that decodes that stream....  although, being webcam based,
>> needs
>> > to be highly fault tolerant... hmmm
>> >
>> > Playing with camserv is prolly first choice :)
>> >
>> > -Will
>> >
>> >
>> > On Tue, Aug 19, 2008 at 1:40 PM, John Hobbs <john at velvetcache.org>
>> wrote:
>> >
>> >> Camserv [1,2] has a relay tool that might be what you are looking for.
>> >>  Or you could grab your gcc and grow your own, the V4L api docs are
>> >> pretty good ;-)
>> >>
>> >> - John Hobbs
>> >>
>> >> john at velvetcache.org
>> >>
>> >> [1] http://cserv.sourceforge.net/
>> >> [2] http://svn.navi.cx/misc/trunk/camserv/README
>> >>
>> >> On Tue, Aug 19, 2008 at 1:18 PM, Will Langford <unfies at gmail.com>
>> wrote:
>> >> > I'm... looking to stream a webcam from home to a linux dedicated
>> server
>> >> in a
>> >> > datacenter.  And I'm not looking for a once-a-second-jpg-update kind
>> of
>> >> > thing, either.  I want to stream from home (no particular OS in mind)
>> to
>> >> my
>> >> > server and have it replicate the stream to any number of clients.
>> >> >
>> >> > I've had like, zero luck finding anything related.  Am I going to have
>> to
>> >> do
>> >> > some evil hackery with netcat / hose-faucet or something to stream
>> from a
>> >> > device here over the net to the input of some other daemon on the
>> server
>> >> for
>> >> > it to serve live stuff ?
>> >> >
>> >> > To do this correctly am I going to have to get an IP based cam /
>> device
>> >> and
>> >> > some how transfer it to the dedicated server and have it cache it for
>> >> > streaming to clients ?
>> >> >
>> >> > -Will
>> >> > _______________________________________________
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