[PD] [gem] pix_video & webcam

[Johannes M Zmoelnig]

hi !

On Fri, 19 Jul 2002, Bill Sack wrote:

> hello all,
> i know this has been on the list many times, but ... i'm trying to use a
> cheapo usb webcam with pix_video and have gotten this far:
> 
> ;;when pix_video loads, the following appears in the terminal:
> 
> cap: name Logitech USB Camera type 513 channels 1 maxw 352 maxh 288 minw
> 176 minh 144
> 
> picture: brightness 18779 depth 24 palette 4
> 
> channel 0 name Camera type 2 flags 0
> buffer size 811008, frames 2, offset 0 405504
> 
> frame 0 0, format 4, width 176, height 144
> ;;so far, so good. when i give it this message -
> [mode PAL 0 (
> ;;it responds
> GEM: pix_video: Opened video connection
> ;;when i start rendering:
> GEM: Start rendering
> /dev/video0: Device or resource busy
> ;;which looks suspiciously like a kernel message a la:

try to send the [mode PAL 0( message to the [pix_video] _after_ turning
rendering on !
this is kind of a known bug.


mfg.cds.sdr
IOhannes




> [root at t0ast root]# /sbin/rmmod usbcore
> usbcore: Device or resource busy
> 
> and no, no other programs are using /dev/video0 when this happens. does
> anyone have a clue as to what's going on here? is there any reason why
> ANY video device (i.e.: anything that works with xawtv, say) won't work
> with pix_video?
> 
> thanks,
> bill
> -- 
> _________
> Bill Sack
> wsack at acsu.buffalo.edu
> ----------------------
> 
>