[PlanetCCRMA] dv issues

[Fernando Lopez-Lezcano]

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...
>
> thanks, fernando!
> 
> 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? :-). 

-- Fernando