Got pjmedia working on Neo 1973

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Hi all,
I got pjmedia working on Openmoko platform (Neo 1973). Initially I tried 
with 0.5.9 version and I have run into many issues with portaudio. One 
of them was the recorder thread and the main thread were racing for a 
resource and the application was hanging. I was half way through in 
fixing these issues and parallelly tried with 0.8 version of pjmedia 
(which links with latest version of portaudio). Fortunately this race 
condition was fixed in this version of portaudio, but I ran into some 
other problems when Pa_Initialize was trying to enumerate the devices 
available. Finally with tweakings in portaudio code, I got my 
application working in send-recv mode. But the audio quality is not 
great; its breaking. I have run into similar issues on few x86 platforms 
also previously. Looking into it right now.
Just felt like updating the list. If someone wants the exact changes in 
portaudio, let me know.

Thanks and regards,
Purna Chandar M



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