[Freeswitch-users] PortAudio and Windows devices

Sun Sep 10 05:25:55 UTC 2017

Hi,

in VS go to Build/Configuration Manager and see if mod_portaudio project is
selected for build. Maybe it builds without it?

Or post errors you get while building solution.

2017-09-10 3:04 GMT+02:00 Clive Lansink <clive at lansink.co.nz>:

> Hi again everyone.
>
> OK I appreciate that nobody has yet answered this but now I have more info
> that may help.
>
> I succeeded in building the Freeswitch executable for Windows from the
> source. I git cloned version 1.6.19 which I understand is the most recent
> stable release. I am using Visual Studio 2015 Express.
>
> I first built the debug version 64-bit. There were three errors but at
> least there was an executable so I ran that. Now the pa devlist command
> lists my sound devices so that works. Also the debug information indicates
> that it is using DirectSound. I actually haven't made a call because of
> another issue but at least I can confirm that mod_portaudio sees my audio
> devices in this situation.
>
> Then I cleaned the solution and built the release version. Again I got
> three errors but again there was an executable so I ran that. Now the pa
> devlist command produces no devices.
>
> This suggests to me that something is amiss with the process for
> generating the release version for Windows which also makes the Windows
> installer, that impacts on PortAudio. In that case, the result In my
> experience is that PortAudio just doesn't work because it doesn't see any
> audio devices.
>
> It's beyond me I'm afraid to figure out the difference here. I'm just not
> experienced with Visual Studio to understand what is going on with these
> two scenarios.
>
> Hope this helps.
>
>
> Clive Lansink
> Email: Clive at Lansink.Co.NZ
> Phone: +64 9 520-4242
> Mobile: +64 21 663-999
> Fax: +64 21 789-150
>
> -----Original message-----
> From: Clive Lansink <clive at lansink.co.nz>
> To: "Freeswitch users list" <freeswitch-users at lists.freeswitch.org>
> Subject: [Freeswitch-users] PortAudio and Windows devices
> Reply-to: FreeSWITCH Users Help <freeswitch-users at lists.freeswitch.org>
> Date: Fri, 8 Sep 2017 10:03:32 +1200
>
>
> Hi everyone. Can someone please help with the following problem? I have
> spent several hours on this today, just googling around, and although I
> think I am not the only one with this problem, I haven't actually found the
> solution.
>
> Problem is PortAudio reports there are no input and output devices. I am
> running Freeswitch on Windows 10 64-bit. The Freeswitch installer is
> FreeSWITCH-1.6.18-x64-Release.msi which I downloaded recently from
> files.freeswitch.org. I should explain that I have been using Freeswitch
> for a number of years and PortAudio used to work, even on this Windows 10
> PC. The problem seems to be with the more recent versions of Freeswitch.
>
> We know that Freeswitch for Windows includes PortAudio. That's good
> because I don't know how to build Freeswitch for Windows. I just know how
> to install and use it.
>
> I think I read somewhere that the Freeswitch PortAudio is built for
> DirectEx. I came across the Dxdiag tool which tells me about DirectEx
> devices. I have several input and output devices on this machine, but
> Dxdiag only lists one output device and it lists no input devices. It tells
> me I have DirectEx version 12.
>
> I do a lot of programming in Python and that includes a Python module that
> provides bindings for PortAudio. That code still works.
>
> I read that PortAudio by default is built for MME, or maybe it is PyAudio
> that is built for MME. Whatever the case, that code works.
>
> But if Freeswitch's PortAudio module is built for DirectEx, could there be
> a problem with DirectEx on Windows 10? I just get the impression that
> Microsoft is favouring newer Windows sound APIs. Issuing the pa devlist
> command just lists nothing so it is as if it is just not seeing any
> devices, but they are certainly there.
>
> I think this has been a problem for several years because I have
> Freeswitch version 1.5.15 on another Windows 10 64-bit PC and PortAudio on
> that PC has the same problem. I just haven't had to use it on that PC.
>
> By the way, I did try running Freeswitch in console mode with
> administrator privileges and it made no difference.
>
> I hope someone can suggest something to help me fix this problem.
>
>
> Clive Lansink
> Email: Clive at Lansink.Co.NZ
> Phone: +64 9 520-4242
> Mobile: +64 21 663-999
> Fax: +64 21 789-150
>
>
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>
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