Tony,
It sounds like your on the right track, however Id suggest running the system
on a hard disk instead of cd... it will be alot of work to get your disk
right, and even then the system will likely be fairly unstable.
brooktree is well supported. I have 2 tv cards, and the one with the
brooktree chipset wirks great under linux. I havnt done captures from a
script (just from xawtv) but it should be possible. It wouldnt be too
difficult to write a script that captures the image, ftp's/email/whatever to
another machine. Another idea might be to keep the image(s) on that machine,
and link or ref the website to a webserver running on the capture box.
P.S. Any job openings there for linux nerds?
Jamie
On Saturday 07 December 2002 02:12 pm, Tony Newman wrote:
: Hello,
:
: I've been assigned the task of figuring out a way to grab a frame of
: video and make it available for another system to get and put in a web
: page. The frame only needs to be updated every ten minutes or so.
: This is for Chambers Communications / KEZI-TV (my employer).
:
: Here's what I have in mind so far...
:
: An 'older' computer (266-400 MHz)
: Capture card with BrookTree chip.
: Debian Linux compiled with Video4Linux turned on.
: IP tables set to allow access from only a specific set of IP
: addresses.
: Image grabbing program (vgrabbj?).
: Apache (or something simpler) to serve out the image.
:
: The computer would probably be one retired from regular service
: because it won't run Windows (with virus scanner, IE, and 50 "helper"
: geegaws) fast enough anymore.
:
: I picked the BrookTree chipset for the capture card because it
: appears to be well supported under Linux.
:
: Debian Linux, because that's what I'm familiar with.
:
: The grabber app. is just a wild guess based on its package
: description.
:
: I suspect there is something lighter weight for just serving a file
: every so often, but I know Apache is capable.
:
: I'd like to set this up to boot from a CD, load Linux and go with no
: hard drive at all. This may end up in a mildly difficult place to get
: to, so having as few constantly moving parts as possible feels like it
: should help reliability. Plus, after a power failure, CD-ROMs don't
: need to go through fchk.
:
: I am open to alternatives for all the above. If BSD or some other OS
: would be a better choice, let me know (no religious wars please...).
: My main goal is to get the job done, with a strong desire for
: open-source, and if possible, low cost. About the only thing that
: can't be changed is the video source. It is an existing camera that is
: used on the air.
:
: For those interested, there may be several of these systems set up.
: One for the camera on top of the US Bank building in Eugene, one for a
: camera at the Sea Lion Caves in Florence, a camera in Medford, and one
: in Klamath Falls. Perhaps others will be added later.
:
: Feel free to contact me either on the list, or regular email.
: Thanks.
--
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