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Date:	Fri, 29 Sep 2023 19:04:54 +0900
To:	cygwin AT cygwin DOT com
Cc:	Michael Panzlaff <michael DOT panzlaff AT fau DOT de>
Subject:	Re: portaudio: only OSS host API available since version 19.20210406-2
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From:	Takashi Yano via Cygwin <cygwin AT cygwin DOT com>
Reply-To:	Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
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On Fri, 29 Sep 2023 02:12:51 +0200
Michael Panzlaff rote:
> Hi,
> 
> I got the right mailing list by not writing to cygwin-apps.
> Since my last cygwin update (which upgraded portaudio
> to 19.20210406-2) the library does not function properly anymore an no 
> sound playback is possible.
> 
> Usually you query portaudio for the various host APIs for and then open 
> a stream. In the past Cygwin's portaudio at least supported output via 
> MME. In the latest version 19.20210406-2 this doesn't work anymore. The 
> only available host API that is reported is OSS, but that doesn't really 
> exist on Windows I assume. My best guess is that the package isn't 
> configured correctly and isn't compiled with the correct support for all 
> the APIs.
> 
> I'd be very welcome to get back support for MME. My application is 
> currently unsuable on Cygwin because the library doesn't work. If it's 
> just a matter of correctly configuring the package, I'd be interested in 
> also getting support for the other host APIs that portaudio usually 
> supports on native Windows, but that's entirely optional for me :)
> 
> Now that I checked, even downgrading to an older version of portaudio 
> from the Cygwin installer doesn't fix the problem. So perhaps it's not 
> caused by portaudio but from something else in Cygwin. Does anybody have 
> any ideas?
> 
> Best regards
> Michael Panzlaff
> 
> PS: Here is a sample C code which queries the host APIs and which should 
> list MME and definitely not OSS:

OSS is implemented in cygwin and it works. 19.20210406-2 switches it backend
to OSS rather than win32apis.

Are there any reason to stick to MME backend?

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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