The Panasonic EggCam would do the trick for you, I'm using one with
the Miro PCTV under Linux.
Stew
~~ Stew Benedict ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ AYS Enterprises ~~
benedict@netcom.com /cgi-bin/exit-to?http://www.geocities.com/SiliconValley/8608
~~~~~~ "It's not just shy sluggin' gorms neemer!" ~~~~~~
On Sat, 30 Aug 1997, William M. Siever wrote:
> To subscribers of the xforms list from "William M. Siever" <bsiever@umr.edu> :
>
> mike rushford wrote:
> >
> > To subscribers of the xforms list from mike rushford <rushford@wenet.net> :
> > Has anyone worked a frame grabber - video application using Xforms?
>
> Well, I just started a VERY simple application for my Linux box:
>
> Hardware:
> Capture:
> Hauppauge Win/TV PCI TV Tuner (Cheap and has multiple uses)
> Note: this is for PC's only and uses /dev/bttv
>
> Machine:
> P-133 Running Linux 2.0.xx, Diamond Stealth 64 PCI video card.
>
> Software:
> Driver:
> The bt848 driver for linux
> http://www.thp.uni-koeln.de/~rjkm/linux/bttv.html
>
> Xforms/etc.
> I used the frame grabber example that comes with the driver(grab.cc)
> Basically, it allocates memory, sets up the card, and does an ioctl
> call to grab a frame into the memory.
>
> It grabs the frames with 3 bytes for each pixel - the example
> provided writes this value out to a .pnm file (Portable Anymap).
> Anyway, after looking around a little I realized that this
> was almost identical to a XImage (xlib). Since I knew I could write
> XImages to a forms canvas, I created a canvas in a form, made an
> XImage with the data and used XPutImage to display
> the frame in the canvas.
>
> (I've also attempted to do direct graphics access, but it's not
> stable - I need to put a lot more thought into it...)
>
> Application:
> I wrote a simple application that just grabs frames and displays
> them. By using the idle callback to get frames I was averaging ~10
> frames per second.
>
> By doing a loop on fl_check_forms() loop rather than a idle callback
> I was able to get about 15 frames per second.
>
> I should note that even in a non X-app. I only get
> about 15 frames per second. (i.e. when I'm only
> grabbing frames, and not displaying or processing them)
>
>
> P.S. Anyone know where I can get a simple/cheap color video camera?
> (All I need is something I can focus and that has NTSC video out)
> (I'm hoping to do a little work with simple image recognition)
>
> --
> Bill Siever
> bsiever@umr.edu
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