New subject: PortAudio and Windows devices

10 Sep 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@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@Lansink.Co.NZ
Phone: +64 9 520-4242
Mobile: +64 21 663-999
Fax: +64 21 789-150
-----Original message-----
From: Clive Lansink <clive@lansink.co.nz>
To: "Freeswitch users list" <freeswitch-users@lists.freeswitch.org>
Subject: [Freeswitch-users] PortAudio and Windows devices
Reply-to: FreeSWITCH Users Help <freeswitch-users@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@Lansink.Co.NZ
Phone: +64 9 520-4242
Mobile: +64 21 663-999
Fax: +64 21 789-150
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Re: [Freeswitch-users] PortAudio and Windows devices

Gregor Nanger

Ray Keating

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