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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - OSS module doesn't detect some devices"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89921#c6">Comment # 6</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - OSS module doesn't detect some devices"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89921">bug 89921</a>
from <span class="vcard"><a class="email" href="mailto:aaz@q-fu.com" title="Andrey Zholos <aaz@q-fu.com>"> <span class="fn">Andrey Zholos</span></a>
</span></b>
<pre>ioctl SNDCTL_DSP_CHANNELS sets the number of channels in the
current stream. E.g. mplayer -ao oss -channels 6 does this.
For this to work either virtual channels have to be disabled
(sysctl dev.pcm.4.play.vchans=0) or their format set correctly
(sysctl dev.pcm.4.play.vchanformat=s16le:7.1).
Some applications support PulseAudio but not OSS - that's one important
benefit :)</pre>
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