Re: Ideas why dvd playback is jerky?
On Fri, Jun 08, 2007 at 10:19:09AM -0700, Kenward Vaughan wrote:
> > Sounds like you have a bad dvd drive (or badly configured IDE (e.g.
> > no DMA)).
>
> The results are the same whether on my reader/burner or my read-only
> drive. Perhaps the DMA part (though dma is apparently configured)?
>
> hpotter:/home/daddy# cat /proc/ide/hda/settings |grep -i dma using_dma
> 0 0 1 rw
Like Lennart said: DMA is off. hdparm -d1 /dev/hdx might turn it on (but
again like Lennart said: might depend on ide driver).
> > Copy the DVD to HD (or a chapter with mencoder) and see if that does
> > anything for performance.
>
>
> Sorry, but how do I do that? Using dd? (All my computing knowledge is
> built up--hobbyist level...)
dd can be problematic with original discs due to CSS. mencoder is more
likely to work:
mencoder -oac copy -ovc copy -vf harddup -o out.mpg dvd://1 -chapter 1-1
(optionally: -dvd-device /dev/whatever)
--
When you do things right, people won't be sure you've done anything at all.
Daniel Tryba
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