[mythtv-users] Slow/choppy playback problem (not the
usual ones, either!)
Joshua M. Thompson
funaho at jurai.org
Sat Oct 16 01:29:08 UTC 2004
On Fri, 2004-10-15 at 18:08 -0700, Yan-Fa Li wrote:
> Hmmm, sorry to hear that :( Can you figure out if your CPU supports SSE
> and/or MMX ? cat /proc/cpuinfo will print the appropriate flags. It's
> a celeron so it should.
Yes it supports both.
> Then you could try recompiling mythtv with:
> CXXFLAGS="-Os -march=pentium4 -mmmx -msse"
> and see wether that helps, you would add that to the settings.pro Also
> try enabling ALSA by uncommenting it. Then you can try setting mythtv
> sound output to "ALSA:default" just for comparison.
I may try that tonight. The spec file I built my RPM from is the ATRPMS
spec file (minus Axel's custom macros) so I would think if the build was
broken it would break for people using his RPMs, too. But you never
> Also, is the box capable of using IO-APIC on UP ? That will distribute
> IRQs, maybe something is sharing IRQs that doesn't like sharing. That
> would require a kernel rebuild.
As far as I know there is no ioapic on this motherboard. But even IRQ
problems should not cause such a huge difference in X's CPU usage...myth
is definitely doing something different than mplayer here. Why else
would myth make the X server use 10x as much CPU?
Joshua M. Thompson <funaho at jurai.org>
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