[olug] DVD playback not optimal

Eric Pierce eric_olug at yahoo.com
Mon Feb 23 03:57:00 UTC 2004


I've no idea if this will solve interlacing problems, but the following line
(hardware acceleration) fixed my sync problems.  It can't hurt (type as root):
hdparm -d1 /dev/dvd


--- John DiMartino <john_dimartino at mac.com> wrote:
> Do you have the DVD player to have DMA mode enabled?  I don't remember 
> how to do it... but I'm sure you could google it pretty quickly.
> 
> Later,
> John
> 
> 
> 
> On Feb 18, 2004, at 9:01 PM, Terence Bradshaw wrote:
> 
> > Hi, all-
> >
> > Just about every DVD playback tool I've used gives me similar 
> > results... video playback is not choppy, but there is very apparent 
> > interlacing of the image...  all images have jagged edges that are 
> > more noticeable during quick movement on screen.
> >
> > I've managed to overcome this by using Xine and using deinterlacing.  
> > The drawback, however, is that the image becomes somewhat blurry.
> >
> > I'm guessing that things are not set up optimally.
> >
> > My system is Gentoo, running on a 2.4.20 kernel with all tools at most 
> > current non-masked version.  I'm running an AMD XP 2400+ processor, 
> > 512MB of memory and a GeForce2 (can't remember the particular chip set 
> > designation, but it was the cheap one).  The video drivers are the 
> > proprietary Nvidia ones.
> >
> > In the past, I've had some DVD performance issues because I didn't set 
> > up shortcuts the best.
> >
> > /etc/fstab follows:
> >
> > /dev/hda1               /boot           ext3            noauto,noatime 
> >          1 1
> > /dev/hda3               /               reiserfs        noatime        
> >          0 0
> > /dev/hda2               none            swap            sw             
> >          0 0
> > /dev/cdrw               /mnt/cdrom      iso9660         
> > noauto,ro,user,exec     0 0
> > /dev/dvd                /mnt/dvd        auto            
> > ro,noauto,user,exec     0 0
> > none                    /proc           proc            defaults       
> >          0 0
> > none                    /dev/shm        tmpfs           defaults       
> >          0 0
> >
> > here is my /dev entry for /dev/dvd:
> >
> > lr-xr-xr-x    1 root     root            8 Feb 17 14:23 dvd -> /dev/hdd
> >
> > I would not be surprised if things should be set up differently.  Any 
> > suggestions?
> >
> > Thanks,
> > Terry
> >
> >
> > _______________________________________________
> > OLUG mailing list
> > OLUG at olug.org
> > http://lists.olug.org/mailman/listinfo/olug
> 
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> OLUG at olug.org
> http://lists.olug.org/mailman/listinfo/olug


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