[Bug 15710] Using OSS audio causes PCM device to be muted

wine-bugs at winehq.org wine-bugs at winehq.org
Tue Dec 14 18:55:05 CST 2010


http://bugs.winehq.org/show_bug.cgi?id=15710

--- Comment #35 from Raymond <superquad.vortex2 at gmail.com> 2010-12-14 18:55:04 CST ---

> Same problem on FreeBSD, pcm gets set to 0 with just about any application I
> tried (Including, but not limited to, Broken sword 2.5, Icewind Dale 2,
> Notrium).

ALSA 's OSS emulation which reported OSS version 3.8

Refer to OSS 3.0 Sound Documenation

The volume scale is 0 to 100 with out any mute switch since 0 is supposed to be
off

But wineoss.drv implement a volume control and mute switch if you run

WINETEST_INTERACTIVE=1  WINEDEBUG=+mixer wine winmm_test mixer

THe problem seem to related to unmute which change the volume to 1 since there
is no mute switch but 1 in 100 scale is round down to 0 since most volume
control has only 16~32 steps

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