Using an other webcam.

[psykokwak]

Hi All.

I've built the ov51x webcam driver for the foxboard to use it with an Hercules Deluxe webcam that gives a better image than the Labtech Webcam Pro. I've built a streaming server named mjpegserv that makes an mjpeg streaming like the one used by Axis IP cameras. This solution is the best one because we don't have to use specific program on the client side, just Firefox. To use it with Internet Explorer, we need to have an ActiveX control...

• Webcam driver src : http://svn.psykokwak.com/svn/arobot/misc/ov51x-1.65-1.11-mark.foxboard/ (login/pass : arobot)
• Webcam driver binaries : http://psykokwak.com/blog/images/arobot/ov51x-1.65-1.11.tar.gz (foxboard linux 2.6.15 - glibc)
• Webcam mjpeg server src and binaries : http://svn.psykokwak.com/svn/arobot/mjpegServ/ (login/pass : arobot).

Once the driver and the mjpegserv compiled and copied on the foxboard. Start them :

Code:

insmod videodev
insmod ./ov51x.ko
./mjpegserv -d 640x480 -m -p 8888 &

And with firefox : http://192.168.0.90:8888/ (press F5 to start streaming).
For Internet Explorer : http://www.axis.com/techsup/cam_servers/tech_notes/205_live_video.htm

for french peoples : http://www.psykokwak.com/blog/index.php/2007/07/30/26-ov51x-driver-on-foxboard-and-mjpegserv-http-streaming-server

[tanzilli]

Great ! I'll get this webcam to try :-) Labtec Pro in coming hard to find and this cam could be the right replacement to suggest on the Acme web site. Could you post a grabbed picture to see the quality ?

[psykokwak]

I really think this webcam is much better than the labtech.
- We can grab 15fps at 320*240 or 640*480 (and maybe 800*600)
- It have four white leds to see on the darkness
- we can change the lense (http://www.cameras-cctv.com/lenses/board-lenses/) .
- There is no driver bugs like with the labtech webcam pro.

(I changed my lense for an ultra wide : 135°)

You can show pictures and videos here (at the bottom) : http://www.psykokwak.com/blog/index.php/2007/08/28/32-arobot-image-processing-and-object-tracking-mjpeg-java-labelisation-thresholding
http://video.google.fr/videoplay?docid=-7020787882486294704&hl=fr (with the standard lense)

Or here with differents lenses :
http://www.robotbuilder.org/uploads/photos/Objectif_avec_IR_filtre.jpg (Lense with IR filter)
http://www.robotbuilder.org/uploads/photos/Objectif_sans_IR_filtre.jpg (Lense without IR filter)

You can look a real demo here : http://jerome.oxmo.org:8080/webcamwan3.html