Re: [Iaxclient-devel] speex echo cancellation tested?

[Peter G. <jpg...@gm...>]

On Thu, Apr 24, 2008 at 10:28 AM, Matthew Crane <mc...@no...> wrote:
>
> On Thu, 2008-04-24 at 09:23 -0400, Mihai Balea wrote:
>  > > If I can verify that the latest speex AEC works well inside of
>  > > iaxclient
>  > > on linux, I might try getting one of the low-latency Windows portaudio
>  > > implementations working.  In regards to the wmme API, you're right --
>  > > it's unusable for AEC.
>  >
>  > Good luck with that.  Just to spare you some pain, I've tried Direct
>  > Sound, and it does improve AEC performance., but it introduces some
>  > other issues, such as audio under/overflows.  In addition to that,
>  > Portmixer doesn't work with DirectSound, so you won't have volume
>  > controls.
>
>  This is my first time compiling code checked out from the svn
>  repository.  When trying to run the autogen.sh script in your echocan
>  branch, autoconf is generating an error when it comes across
>  "PKG_REQUIRES":
>
>  configure.ac:213: error: possibly undefined macro: PKG_REQUIRES
>       If this token and others are legitimate, please use
>  m4_pattern_allow.
>       See the Autoconf documentation.
>
>  Any clue what I need to do to fix this issue?  I've got pkgconfig
>  installed on my system as well as the necessary version of autoconf.

Perhaps it is complaining because the PKG_REQUIRES variable is being
referenced before it is ever declared. Try writing PKG_REQUIRES=""
somewhere before line 213 (e.g. 207).

Pete