[PlanetCCRMA] dv issues

[Fernando Lopez-Lezcano]

On Wed, 2005-11-30 at 16:47 -0500, Peter Lutek wrote:
> Fernando Lopez-Lezcano wrote:
> >On Wed, 2005-11-30 at 16:25 -0500, Peter Lutek wrote:
> >>Fernando Lopez-Lezcano wrote:
> >>>On Wed, 2005-11-30 at 15:08 -0500, Peter Lutek wrote:
> >>>>is anyone out there using dvgrab (or kino, for that matter) to acquire 
> >>>>digital video on a FC3 planet-ccrma box?
> >>>>
> >>>>when i do "dvgrab test" (as root or user), i get: "raw1394 - failed to 
> >>>>get handle: No such file or directory."
> >>>>i get the same result if i try the -dv1394 option.
> >>>>
> >>>>it looks like both the dv1394 and raw1394 modules are loaded:
> >>>>
> >>>>>/sbin/lsmod|grep 1394
> >>>>>          
> >>>>>
> >>>>dv1394                 21068  0
> >>>>raw1394                30700  0
> >>>>ohci1394               34612  1 dv1394
> >>>>ieee1394              302388  3 dv1394,raw1394,ohci1394
> >>>>
> >>>>i'm not sure i have the appropriate devs in place:
> >>>>
> >>>>>ls /dev|grep 1394
> >>>>>          
> >>>>dv1394-0
> >>>>
> >>>>any help would be most welcome!
> >>>>
> >>>I think that the device file is not in the place where the program
> >>>expects it to be, or has the wrong permissions. Check to see if you have
> >>>a device file for raw1394:
> >>> ls /dev/*1394*
> >>>and check the permissions (if they are wrong you can change them
> >>>in /etc/security/console.perms so that the device belongs to whoever
> >>>logs into the machine). 
> >>>
> >>>I think some version of fedora puts the device in /dev/raw/ or something
> >>>like that. 
> >>>
> >>>To see what the program expects you could trace the system calls calling
> >>>it like this:
> >>> strace dvgrab test &>test.log
> >>>and look at test.log with an editor, the program should be trying to
> >>>access something in /dev/ and you can see what it was...
> >>
> >>the raw1394 device is in /dev/raw but dvgrab is looking for /dev/raw1394.
> >>is the best solution to just make a symlink from /dev/raw1394 to 
> >>/dev/raw/raw1394?
> >
> >Yes, a link would work, I don't remember if it will survive a reboot
> >(does fc3 use udev? - does a cold and sore throat erase system admin
> >memories? :-). 
> >
> well, the symlink worked, but did not survive a reboot. what now?

I think you can create device files in /etc/udev/devices and those will
be created at udev startup. So, you could I guess copy
the /dev/raw/raw1394 file there and it would appear in /dev 

-- Fernando