Re: webcam support

Le Jeudi 19 Mai 2005 14:18, poeml_at_cmdline.net a écrit :
> On Thu, May 19, 2005 at 02:00:23PM +0200, Peter Poeml wrote:
> > May 19 13:23:52 cube kernel: hub.c: connect-debounce failed, port 2
> > disabled May 19 13:23:55 cube kernel: hub.c: new USB device
> > 10:18.0-2.1.2, assigned address 6 May 19 13:23:55 cube kernel:
> > drivers/usb/spca5xx.c: USB SPCA5XX camera found. Agfa ephoto CL20
> > spca500a May 19 13:23:55 cube kernel: drivers/usb/spca5xx.c:
> > [spca5xx_probe:8175] Camera type JPEG
> >
> > Promising as this is, :-) I'll build the viewer program next, and see
> > what happens.
>
> Wild flickering on the display, but only for a short time. (It does look
> more like initialising the screen than an actual video stream.) In fact,
> the spcaview terminates quite soon:
>
> (I tried it on the console and on X,
> on X I was at least able to capture the output from the xterm, on the
> console it set the virtual terminal to the requested solution 320x240
> but didn't restore it. I am using framebuffer device)
>
>
> # ./spcaview -f jpg -s 320x240
>  Spcaview version:1.0.4 date: 01:05:2005 (C) mxhaard_at_magic.fr
>  size width: 320 height: 240
> Initializing SDL.
> SDL initialized.
> bpp 3 format 21
> Using video device /dev/video0.
> Initializing v4l.
>
>
>
> ^[[A^[[A^[[A^[[B^[[B^[[B**************** PROBING CAMERA
> ********************* Camera found: Agfa ephoto CL20
>
> Bridge found: SPCA500
>
> StreamId: JPEG Camera
> Available Resolutions width 640  heigth 480 native
> Available Resolutions width 352  heigth 288 native
> Available Resolutions width 320  heigth 240 native *
> Available Resolutions width 176  heigth 144 native
> *****************************************************
>  grabbing method default MMAP asked
> VIDIOCGMBUF size 4915232  frames 4  offets[0]=0 offsets[1]=1228808
> VIDIOCGPICT
> brightnes=0 hue=0 color=0 contrast=0 whiteness=0
> depth=8 palette=21
> VIDIOCSPICT
> brightness=0 hue=0 color=0 contrast=0 whiteness=0
> depth=24 palette=21
> Couldn't set 320*240x24 video mode: Couldn't set console screen info
> zsh: 12100 exit 1     ./spcaview -f jpg -s 320x240
>
>
> The corresponding kernel log was:
>
> May 19 14:06:08 cube kernel: drivers/usb/spca5xx.c:
> [spca500_initialise:5921] Spca500 Sensor Address  0x00 May 19 14:06:08 cube
> kernel: klogd 1.4.1, ---------- state change ---------- May 19 14:06:08
> cube kernel: Inspecting /boot/System.map-2.4.30-1-default May 19 14:06:08
> cube kernel: Loaded 16557 symbols from /boot/System.map-2.4.30-1-default.
> May 19 14:06:08 cube kernel: Symbols match kernel version 2.4.30.
> May 19 14:06:08 cube kernel: Loaded 1291 symbols from 29 modules.
> May 19 14:06:13 cube kernel: drivers/usb/spca5xx.c:
> [spca500_initialise:5921] Spca500 Sensor Address  0x00 May 19 14:06:18 cube
> kernel: drivers/usb/spca5xx.c: [spca500_initialise:5921] Spca500 Sensor
> Address  0x00
>
> Any idea what I can do?
>
> Peter
Peter,
Can you load the driver in debug like this
modprobe spca5xx debug=5
then run spcaview -f jpg -s 320x240
stop or kill spcaview
and mail me the relevant line of your /var/log/messages 
don't forget to remove the module , debug=5 is very verbose :)
regards
-- 
Michel Xhaard