Messages in this thread | | | From | Hakan.Lennestal@cdt ... | Subject | Re: Problem with c-qcam | Date | Tue, 29 Jun 1999 20:23:03 +0200 |
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In message <3778F684.1DB602B9@cisi.fr>, Pierre Morel writes: > Hi, > > I've some problem with the quickcam driver. > Here is what i've done to install it: > [root@gurli /root]# modprobe parport_pc io=0x378 irq=7 > [root@gurli /root]# modprobe c-qcam.o > [root@gurli /root]# mknod /dev/video0 c 81 0 > > I can open the latest version of vic > (www-mice.cs.ucl.ac.uk/multimedia/software) > > [root@gurli /root]# /root/tmp/vic_linux/vic_2.8_linux 224.10.10.10/10000 > > V4l: trying /dev/video0... ok, Quickcam > V4l: color; size: 80x60 => 320x240 (scales) > V4l: ports: Camera > V4l: depth=24, palette=rgb24 > V4l: ==> format { 411 422 cif } size { small cif } port { Camera } > V4l: trying /dev/video1... open: No such device > V4l: trying /dev/video2... open: No such device > V4l: trying /dev/video3... open: No such device > > > But when i try to transmit i get this message: > > ioctl VIDIOCGMBUF: Invalid argument > mmap: Invalid argument > V4l: device has no mmap support > ioctl VIDIOCMCAPTURE even: Invalid argument > ioctl VIDIOCMCAPTURE odd: Invalid argument > ioctl VIDIOCSYNC: Invalid argument > Segmentation fault (core dumped)
Two problems. First, I don't know if the c-qcam kernel driver actually works. Secondly, the app need to implement handling of non-dma devices such as the c-qcam. The v4l vic:s I've seen don't. There is however a special linux RH 6.0 c-qcam userspace version of vic (must be run as root or suid root) at ftp://ftp.cdt.luth.se/mbone/Linux.
Regards.
/Håkan
--------------------------------------- e-mail: Hakan.Lennestal@lu.erisoft.se | or Hakan.Lennestal@cdt.luth.se | or hakan@tuttifrutti.nu | ---------------------------------------
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