Re: [Audacity-devel] Missing PortMixer in 1.3.7-beta

[Leland <le...@au...>]

Richard,

Are you looking into this more, or would you like me to?

Leland

Richard Ash wrote:
> On Tue, 2009-05-05 at 20:07 +0100, Richard Ash wrote:
>> Right now, it still doesn't work for me, but I haven't
>> investigated. Leyland did do some work on Windows/Vista and merged a
>> patch I'd had queued for years waiting for time to look at it, but that
>> doesn't seem to have solved it here.
> 
> OK, the problem now is that at the point when the toolbar is created, we
> haven't initialised portmixer, and so when we call
> AudioIO::GetInputSourceNames() it returns an empty list of inputs.
> 
> I've just checked in a debug message to print out when this happens, as
> a reminder that it's almost certainly not what was wanted.
> 
> By the time this message comes out on the console we have initialised
> the record and playback devices, and checked what sample rates work
> (I've got debug prints in that code as well). However, although we've
> tried to open PortMixer by this point, it didn't work.
> 
> Tracing down void AudioIO::HandleDeviceChange(), about line 520 we
> discover that Px_OpenMixer() is called, but in the following if
> statement it didn't work and the function returns.
> 
> So I think the true problem is with the Px_OpenMixer() call - either the
> wrong arguments are being passed, or the function is broken. I haven't
> tried to trace through portmixer to see what is going on any further.
> 
> Richard
> 
> 
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