PortAudio is a free, cross-platform, open-source, audio I/O library. It lets you write simple audio programs in 'C' or C++ that will compile and run on many platforms including Windows, Macintosh OS X, and Unix (OSS/ALSA). It is intended to promote the exchange of audio software between developers on different platforms. Many applications use PortAudio for Audio I/O.
root@edison:~# wget http://www.portaudio.com/archives/pa_stable_v190600_20161030.tgz--2017-02-05 19:04:41-- http://www.portaudio.com/archives/pa_stable_v190600_20161030.tgz
Resolving www.portaudio.com... 107.22.210.58
Connecting to www.portaudio.com|107.22.210.58|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1450572 (1.4M) [application/x-gzip]
Saving to: 'pa_stable_v190600_20161030.tgz'
100%[======================================>] 1,450,572 701KB/s in 2.0s
2017-02-05 19:04:43 (701 KB/s) - 'pa_stable_v190600_20161030.tgz' saved [1450572/1450572]root@edison:~# tar xvf pa_stable_v190600_20161030.tgzroot@edison:~# cd portaudio/
root@edison:~/portaudio# lsCMakeLists.txt bindings doc pablio
Doxyfile build examples portaudio-2.0.pc.in
Doxyfile.developer clear_gitrevision.sh fixdir.bat qa
LICENSE.txt cmake_support fixfile.bat src
Makefile.in config.guess include test
README.configure.txt config.sub index.html testcvs
README.txt configure install-sh update_gitrevision.sh
SConstruct configure.in ltmain.sh
aclocal.m4 depcomp missingroot@edison:~/portaudio# ./configure
root@edison:~/portaudio# make
root@edison:~/portaudio# make installroot@edison:~/portaudio# ldconfig
root@edison:~/portaudio# echo $LD_LIBRARY_PATH
root@edison:~/portaudio# ls /usr/local/lib/ libportaudio.a libportaudio.so libportaudio.so.2.0.0
libportaudio.la libportaudio.so.2 pkgconfigroot@edison:~/portaudio# export LD_LIBRARY_PATH=/usr/local/lib