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On Thursday 05 Aug 2004 05:52, you wrote:
> Hallo
>
> > After a change to hardware a lot of things were affected and I ended up
> > having to do a new install.  You may recall that I have a DV10+ and am
> > working with an NVidia card.  I have not yet reinstalled LVS.  I tried to
> > view a previously recorded avi, but hit problems:
>
> Does you Nvidia card have something like at video out/in ?
> Which is activated too ?
>
I don't think that is the problem - though it may have been in the old 
install.  At the moment v4l only seems to be loaded if I hot-plug my webcam.  
It's almost as though the zoran driver wasn't loading, but lsmod includes 
zr36060, videocodec and v4l2-common.  However, I think in the past I had more 
modules loaded that referred to zr36060?

> > glav -p C /Data/mulan.avi
> > ++: **ERROR: [lavplay] Error opening /dev/video: No such file or
> > directory ++: **ERROR: [lavplay] Error getting video parameters: Bad file
> > descriptor ++: lavtools version 1.6.1.93
> >
> > Sure enough, my video0 had disappeared.  I found that I had to plug in my
> > webcam to get it back.  I then checked the perms on /dev/video,
> > /dev/video0 and /dev/v4l/video.  I then tried again:
> >
> > glav -p H /Data/mulan.avi
> > ++: **ERROR: [lavplay] Error requesting buffers: Invalid argument
> > ++: **ERROR: [lavplay] Error reading video frame: avilib - Error reading
> > from AVI file - Bad address
> > ++: lavtools version 1.6.1.93
> >
> > I tried launching xawtv.  I got a message that it couldn't find any tv
> > card. I then closed it.  Nothing changed.  I did check with another file,
> > just in case there was a corruption, but that was the same.
> >
> > I've tried everything I can think of, but I still keep getting that 'Bad
> > address' message.  What's causing it, please?
>
> Do you have the device file /dev/video ? Usually /dev/video is a link to
> /dev/video0. Maybe that link points to some other device, and you have
> to change it.
>
/dev/video and /dev/video0 both point to /dev/v4l/video0, but that will be my 
webcam.  No other video device is showing.

> How many video devices do you have when you start lvs with -t ?
> If you don't have LVS installed yet you can also take a look at the
> first line of output from: v4l-info /dev/video
> you should get something similair like that:
> ### v4l2 device info [/dev/video0] ###
> general info
>     VIDIOC_QUERYCAP
>         driver                  : "zoran"
>         card                    : "DC30plus[0]"
> [....]
>
I haven't installed it yet - there seemed no point until I get a basic setup.

> You might want to try some other devices like /dev/video0 or /dev/video1
> Depending on wich device your DC10 really is you have to set the
> LAV_VIDEO_DEV env variable.
>
Once I have managed to get the DC10+ recognised as a device I may need some 
instruction on how to do that.

> I'm not soure if unplugging changes the device names. I think you have
> to reload the kernel drivers to ge a different device name.
>

Anne
- -- 
Registered Linux User No.293302
Have you visited http://twiki.mdklinuxfaq.org yet?
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