Hi,
>
> # To subscribers of the xforms list from spl@szechuan.ucsd.edu (Steve Lamont) :
>
> > ... Is
> > it possible to have real time image display (with frame rate >12fps) with
> > image compression/decompression overhead on the server and client
> > programs? Would you suggest some tools for us to achieve the task? Would
> > you explain how to display an image on a Canvas?
>
> The Canvas is just a wrapper around a plain old X Window into which
> you can draw however you wish.
>
> Basically, I'd use the XShm extension where ever possible. Create a
> shared memory Pixmap and stuff the image data into it. You may need
> two for double buffering if you need.
>
> It's probably easier for you to fetch up the MIT-SHM than for me to
> try to explain the nitty gritty details. There's probably a file
> called mit-shm.PS.Z lurking in your X distribution somewhere -- most
> likely in xc/doc/hardcopy/Xext. If you can't find it there, check
> your favorite X repository on the net. If that fails, let me know and
> I'll make arrangements to either mail you a copy or provide it via
> anonymous FTP.
>
> What kind of machine are you planning to use to display your video?
> What kind of graphics card?
Our stereo camera system is connected to a PC with PentiumPro 200MHz,
64MRam. Our GUI will be run on a Pentium II 266MHz PC with 64MRam. The
display card has an ATI 3D Rage Pro w/4M Ram.
Regards,
Wai Keung, Fung
>
> spl
> _________________________________________________
> To unsubscribe, send the message "unsubscribe" to
> xforms-request@bob.usuf2.usuhs.mil or see
> http://bob.usuf2.usuhs.mil/mailserv/xforms.html
> XForms Home Page: http://bragg.phys.uwm.edu/xforms
> List Archive: http://bob.usuf2.usuhs.mil/mailserv/list-archives/
>
>
_________________________________________________
To unsubscribe, send the message "unsubscribe" to
xforms-request@bob.usuf2.usuhs.mil or see
http://bob.usuf2.usuhs.mil/mailserv/xforms.html
XForms Home Page: http://bragg.phys.uwm.edu/xforms
List Archive: http://bob.usuf2.usuhs.mil/mailserv/list-archives/