Riku Voipio wrote: >On Sun, Aug 28, 2005 at 03:14:18PM -0700, Lee wrote: > > >>I'm looking at starting a project that will take video input from >>multiple usb based webcams. I understand that some webcam manufacturers >>supplied x86 based object files for linux drivers so they didn't have >>to release information on interfacing to their products. Are there >>anyopen source (or Arm based) drivers for any brands of USB webcams >>contained in the Debian package? I'm particularly interested in any >>cams that have pan/tilt/zoom capability. Thanks in advance. >> >> > >The two most common webcam chips, pwc[1] and ov511[1] have open-source >drivers. PWC driver used to have binary-only "decompressor" module, >that allowed higher framerate and/or resolution while losing some >image quality. That code has been since reverse-engineered, and is >available in source format. > >As far as I know, only "Logitech QuickCam Sprehe", using driver >pwc has pan/tilt/zoom suppport, but it's image quality isn't stellar >and the device is quite expensive for it's features. > >Since most webcams use usb 1.1 bus, you will run out of USB bandwith, >if you try to read video from more than one webcam at a time. You might >want to consider network-based cameras, such like "Linksys WVC54G" >or any of the Axis cameras. > >[1] http://www.saillard.org:8080/linux/pwc/ >[2] http://alpha.dyndns.org/ov511/ > > What do you use for viewing multiple camera streams and has the viewing software been ported to run on a variety of architectures, including arm? x86? AMD64?
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