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To: gentoo-amd64@g.o
From: Etienne Imguimbert <eimguimbert@...>
Subject: Bad performance on doom3 with alsa and oss
Date: Fri, 13 Jan 2006 09:34:32 +0100
<div>Dear gentoo amd64 users</div>
<div>I've installed doom3 via the emerge command, and I have several problems of performance. I tried several configurations:</div>
<div>- when I switch to alsa in doom3, I get very noisy sounds (I get several messages of rejected packets by alsa in the shell)</div>
<div>- when I switch to oss, I get huge slowdowns in the game (I think there is a problem with the OSS emulation by alsa)</div>
<div>- when playing timedemo demo1 in the doom3 prompt, I get a good number of fps (about 60), but this benchmark is played without sound, so I deduce that I have problem with sounds.</div>
<div>&nbsp;</div>
<div>All other sound apps work fine (like amarok, kscd).</div>
<div>&nbsp;</div>
<div>In the kernel configuration, I did not&nbsp;configured any alsa or oss support, just the sound support, and I installed alsa by the emerge command (the version emerged is 1.0.10, the latest stable in portage).</div>
<div>I've read somewhere that the command: echo 1024 &gt; /proc/sys/dev/rtc/max-user-freq&nbsp; would produce better synchronisation, but I didn't change anything for me.</div>
<div>&nbsp;</div>
<div>My question is finally how to get good sounds in doom3 using alsa, not oss emulation.</div>
<div>&nbsp;</div>
<div>Thank you very much</div>
<div>&nbsp;</div>
<div>Best regards,</div>
<div>&nbsp;</div>
<div>Etienne</div>
Replies:
Re: Bad performance on doom3 with alsa and oss
-- Hemmann, Volker Armin
Re: Bad performance on doom3 with alsa and oss
-- Eric Augustus
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Updated Jun 17, 2009

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