[pulseaudio-tickets] [Bug 50256] pasuspender alsa hook test fix.

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Sat May 26 23:06:28 PDT 2012


--- Comment #5 from Tanu Kaskinen <tanuk at iki.fi> 2012-05-27 06:06:28 UTC ---
(In reply to comment #4)
> This is not understanding the problem.  hw:0 may or may not include mixing.  If
> it does not include mixing wine can break and so can applications based off
> winelib if they are running there own audio based.
> So the only device other than default you can use in Alsa only or pasuspender
> system be sure it has mixing is sysdefault.  hw:0 percentage of users will fail
> to have operational audio due to the hardware not supporting mixing.

I thought the use case was comparing, for debug purposes, application behavior
when using pulseaudio and when using direct alsa. In such cases mixing is not
usually needed. pasuspender should never be "the solution" to audio problems
with open source software such as wine. pasuspender is only a debugging tool,
or a workaround for proprietary software that can't be fixed.

In any case, feel free to replace hw:0 in my example with sysdefault, if the
lack of mixing is a problem when debugging. Are "sysdefault's" semantics
defined somewhere, btw? It's not documented at [1] at least. I doubt that it
actually guarantees anything about mixing - my guess would be that "sysdefault"
just happens to be usually be defined as card 0 with dmix, and therefore it
usually also supports mixing.

[1] http://www.alsa-project.org/main/index.php/DeviceNames

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