[PD] (gem) (again) uvc webcam not supported?

moritz w. erstens at gmx.ch
Fri Oct 12 15:38:46 CEST 2007

hi list

i wrote a couple of days ago, and i have still no succes with my creative optia AF webcam to run under Gem with [pixvideo].

it seems that this webcam has a unknown format YUY2 or YUYV?

with gem i got this error: 
(i run ubuntu feisty, 2.6.20-16-generic #2 SMP, i686)

pd -lib Gem
GEM: Graphics Environment for Multimedia
GEM: ver: 0.91-cvs
GEM: compiled: Sep 27 2007
GEM: maintained by IOhannes m zmoelnig
GEM: Authors :  Mark Danks (original version)
GEM:            Chris Clepper
GEM:            James Tittle
GEM:            IOhannes m zmoelnig
GEM: with help by Guenter Geiger, Daniel Heckenberg, Cyrille Henry, et al.
GEM: using SSE2 optimization
video driver 0: video4linux2
video driver 1: video4linux
video driver 2: ieee1394 for linux
Direct Rendering enabled!
GEM: Start rendering
vidioc_s_crop: Invalid argument
v4l2: wanted 6408, got 'RGB4' 
VIDIOC_S_FMT: Invalid argument
error: should exit!
error: unknown format 'YUYV'
v4l2: changed size from 64x64 to 352x288
v4l2: GEM: pix_video: Opened video connection 0xC
VIDIOC_DQBUF: stopping capture thread!: Resource temporarily unavailable

the only application that can run this camera is still luvcview from 
http://linux-uvc.berlios.de/, from where i also installed the newest uvcvideo-driver. --This driver is still in alpharelease--

thanks for any hints


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