Es schrieb "Paul W. Morehead": > > hermann pitton wrote: > > > and as always on RH rename the directory /dev/video in /dev/nonsens or > > > >something else and make sure you have a symbolic link /dev/video > >pointing to /dev/video0. > >(this also applies to /dev/dsp radio vbi ...) Unplug the device or even > >reload your usbcore module or reboot. "Usbview" is fine to see the > >device registered. > > > > > I'm glad you mentioned this, because it's confused me for quite some > time, but I was wondering if you or someone else could make an > additional authorative statement on the arrangement of /dev/vid* > entries. I've been getting more and more frustrated with RH's freelance > departure from Linus' official source tree, but it's so far been only > the v4l stuff that's given me problems. Now I'm not even sure anymore > if it's a RH issue, and I would like to hear comment on this. > Here's the meat of my inquiry: Hermann recommend a symlink of /dev/video > pointing to /dev/video0, but currently (well, for 2.4.x kernels, at > least) /dev/video is actually a directory containing dev entries for DVD > control. The devices.txt in /usr/src/linux/Documentation/ in the 2.4.x > kernel sources lists /dev/video as a directory to hold em3800 devices > for DVD decoder control, and it would seem counter to the "official" > devices list to change /dev/video to a symlink to /dev/video0, even for > those of us who don't have a DVD drive and wouldn't need the em3800 > devices at all. These are kernel sources I got from kernel.org, not the > ones from RedHat. > Yet I have (I think...it's been a while) run into v4l apps that by > default assume that /dev/video is a video device, not a directory, and > thus need to be told to use /dev/video0. Basically, RedHat seems to > follow genuine Linus kernel source /dev/vid* arrangements, some apps > seem to expect /dev entries to be laid out with the symlink Hermann > recommends, and although I've been able to sort these differences out on > my own system, it still doesn't make sense in my head. Anyone wanna hit > me with a clue-by-four? > The dxr3 mpeg-decoder-card driver is not in the kernel tree as you can read at the homepage. You have to download em8300 from http://dxr3/sourceforge.net and for RH9 distribution kernels you even need a modified version. The howto of the project suggests to create the devices in /dev and not in /dev/video and the script devices.sh coming with newer versions of the driver also does it in /dev ... Hermann
