Re: [Qemu-devel] [4254] Let WM8750 users write to audio buffer directly.

[andrzej zaborowski]

On 26/04/2008, Jan Kiszka <address@hidden> wrote:
> andrzej zaborowski wrote:
>  > On 26/04/2008, Jan Kiszka <address@hidden> wrote:
>  >> Andrzej Zaborowski wrote:
>  >>  > Revision: 4254
>  >>  >           
> http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=4254
>  >>  > Author:   balrog
>  >>  > Date:     2008-04-26 12:00:18 +0000 (Sat, 26 Apr 2008)
>  >>  >
>  >>  > Log Message:
>  >>  > -----------
>  >>  > Let WM8750 users write to audio buffer directly.
>  >>
>  >>
>  >> Works - but who is now in charge of applying volume and mute settings,
>  >>  the wm8750 on dac_commit or its user? Or do you plan to switch to
>  >>  AUD-level control directly?
>  >
>  > The wm8750 for sure, maybe in wm8750_out_flush just before
>  > AUD_write(). But I'm not sure that it's a useful feature enough to do
>  > it in software.  I'd rather wait until there appears a generic mixer
>  > api (don't know about any plans).
>
>
> Hmm, unfortunate situation. We currently even have the regression that
>  muting, which worked fine with the wm8750 before, is now broken and

Yes, my doubt is if there is a use case in which this ever makes a
difference (and if it's valid for svn users), i.e. when you can't use
the host's mixer (using a mixer app outside qemu).  With the
VirtualBox style mixer api the guest and host mixers can be the same
and that would be best to have.

Regards
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