[mythtv-users] Dropping video frames?

[Nick Rout]

On Thu, Apr 8, 2010 at 9:47 PM, James Thorpe <james at tfxsoft.com> wrote:
> Hi All,
>
> I've got an issue (both under 0.22-fixes and also 0.23-RC1 after upgrading
> last week) whereby the picture isn't smooth.  It's not stuttering - the
> sound is fine - it almost looks like it's dropping frames to keep up.  I
> don't see anything in the frontend log, and it's constantly happening, not
> on and off.  Happens on all channels, both HD (BBC HD on freesat) and SD.
>
> I'm using a Revo 3600 with 2gb of RAM (512mb configured for video) and
> VDPAU.  Happens on both Slim & Normal profiles.  Videos are coming from a
> remote backend over a 100mbs wired network with little other traffic.
>
> Just wondering where I should start looking to diagnose what may be the
> issue, or if there are any custom filters etc I should try that may help?
>  This seems to be the final thing holding back full acceptance of Myth in
> our house!

Is it a mismatch between your screen refresh rate (possibly 60Hz) and
your frame rate (PAL/25 which works nicer on 50Kz refresh)

(assuming PAL if you are watching BBC/Freesat)