[mythtv-users] Why my screen latency?

[Michael T. Dean]

On 05/02/2007 10:15 PM, Rick wrote:
> Recently I upgraded from a basic analog TV to one that supports 1080p 
> (yay!)   Using the Nvidia FX5200, I'm even able to display in full 1080p 
>   with an dvi->hdmi cable (yay again).  I also rebuilt everything based 
> on the latest 20 fixes branch.  Since that time, I've noticed there is a 
> slight but very perceptable delay when hitting a remote button and when 
> it reacts on screen.  This is also happening when using the keyboard so 
> I know it isn't lirc related.
>
> What do you think is causing this?  I'm tempted to run my previous 
> version of Myth as a test...however, I need to find it :(  Could this 
> have something to do with memory and swapping?  My theory being that 
> since the screen is a much larger resolution, it uses more memory than 
> before and might be hitting swap.

Deja vu!  http://www.gossamer-threads.com/lists/mythtv/users/266229#266229


>   (Unfortunately, I don't have 
> comparison numbers)

mythfrontend -geometry 800x450

will give you the comparison (assumes a 16:9 theme, if using a 4:3 
theme, use 800x600).

Mike