[mythtv] [mythtv-commits] Ticket #7650: Use libmythui to draw the OSD

[Daniel Kristjansson]

On Tue, 2010-01-19 at 09:23 -0500, Doug Larrick wrote:
> On Tue, 19 Jan 2010 12:48:27 +0000, Stuart Morgan <stuart at tase.co.uk>
> wrote:
> > On Tuesday 19 Jan 2010 12:12:15 Doug Larrick wrote:
> >> FYI realtime priority of the video thread is absolutely essential for
> >> smooth playback on my systems (Core2Duo, Intel graphics), especially if
> >> any background activity (notably commercial scanning) is going on.  In
> >> plain old XVideo output, the video thread is responsible for displaying
> >> each frame at the correct time, with only minimal help from the
> >> hardware.  If the scheduler calls it late, we miss a frame.
> I see your argument, but IMHO it's really only VDPAU that can play video
> smoothly without it.  That's not dropping support for 20-year-old hardware,
> that's saying there's only ONE video output method that will work right.

Doug, unless there is something peculiar to your graphics chipset you
should not need real-time threads on anything better than a P4 at 2.8Ghz
What you may need to do is replace whatever kernel package you're using
with the "real-time" version from your distro.

-- Daniel