[mythtv-users] Fast Forward/Rewind Issues

[Robert Johnston]

On Apr 7, 2005 1:00 PM, Stuart Morgan <stuart at tase.co.uk> wrote:
> Hi,
> 
> I'm running the latest CVS with an AMD64 2800+, 512Mb PC3200 & Geforce 4
> Ti4200.
> 
> Fast-forward and Rewind at greater than 3x speed cause the image to breakup
> and usually results in the image freezing. This isn't a dedicated
> frontend/backend and I am running KDE etc in the background so is it just a
> case of limited CPU?

Quite possible. I know that 3x seems to render every frame, whereas
5x+ only renders keyframes.

> Also Rewind at 3x seems to go faster than FastForward and more prone to
> skipping/jumping and image breakups.
> 
> Using XvMC (partially supported by my card) does seem to improve the situation
> however the OSD causes the image to flicker negating the benefit completely.

The XvMC issue has been reported before. Tried checking driver
versions, and running top in the background?