[PlanetCCRMA] dv issues

Peter Lutek plutek@infinity.net
Wed Nov 30 13:47:01 2005


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...
>>>      
>>>
>>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
>  
>
well, the symlink worked, but did not survive a reboot. what now?

-p