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Re: [Qemu-devel] dsound: warning: Voice is already playing

From: Jan Kiszka
Subject: Re: [Qemu-devel] dsound: warning: Voice is already playing
Date: Wed, 18 Feb 2009 21:18:31 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv: Gecko/20080226 SUSE/ Thunderbird/ Mnenhy/

malc wrote:
> On Tue, 17 Feb 2009, Robert Riebisch wrote:
>> malc wrote:
>>>>> What is the exact sequence of events that leads to it?
>>>> What do you mean by "sequence"?
>>> Step by step actions after which the following message is seen, including
>>> all command line parameters.
> [..snip..]
>> I narrowed it down to GUS emulation, because this warning also appears,
>> when I just use "-soundhw gus" (not "all").
> It's actually fallout from r6402:
> "Rework vm_state_change notifiers (Jan Kiszka)"
> GUS, unlike all other cards emulated by QEMU, is mixing sound at all times
> and as such it calls AUD_set_active_out during intialization stage which
> happens before vm_start is called and when it does audio vm change state 
> notification callback is invoked which tries to enable underlying audio
> subsystem's voice, but it is already enabled and in case of dsound will,
> rightfully, complain.
> Jan, can you please check that this doesn't break Musicpal or the other
> ARM stuff you have written and i have no means to test:

Sounds good, at least on the MusicPal (I haven't written the "other
stuff" nor do I have test setups at hand).


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