sound/quake in 2.1.126 and later

Alexander V. Lukyanov (lav@long.yar.ru)
Tue, 17 Nov 1998 02:58:38 +0300


Hi!

I noticed that in 2.1.126 and later quake does not sound right. Looks like
it plays 16-bit sound via 8-bit dma channel, since 2.1.126 introduced
duplex sound on sound blaster, quake opens /dev/dsp r/w, and it bypasses
write() interface to sound (i.e. uses direct dma buffer access)

The question: why the new duplex code uses 16-bit dma for recording, and
not for playing? Also how to fix the problem with direct dma buffer access
and wrong dma channel?

Alexander.

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