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These instructions are intended for Linux. On other systems you will have to
construct something compatible to build gr-audio-portaudio.
In order to use portaudio with gnuradio you will need to download and install
a late version of portaudio. Please cd to a directory where the cvs command
below will be allowed to build the portaudio directory tree.
cvs -d:pserver:anonymous@www.portaudio.com:/home/cvs co -r v19-devel portaudio
This will make a directory portaudio unless you already have one. It will
check out the Portaudio API version 2 release 1.9.
In the directory where this README is found, there is a patch file. Hopefully
this patch will not be needed for long. Portaudio is working with us to use
auto*, libtool, etc. The patch is autoconfiscate.patch.
cd to the portaudio directory and run
patch -p0 <autoconfiscate.patch
this will modify the portaudio source tree to use standard tools and prepare
it for use with gnuradio. Now run
chmod u+x bootstrap
you may need to edit bootstrap and remove the 2.50 at the end of some of the
commands (on SUSE 10.0 for example).
./bootstrap
./configure --help
will reveal the options for configure that are available to you. If you do not
understand the options or wish to accept the defaults please just run
./configure
If you do not want the includes and libraries install in /usr/local (standard)
then enter the prefix arguments to ./configure. This document will assume you
are doing the standard installation and that will be into /usr/local.
On Linux if you have the jack tool available from
http://jackit.sourceforge.net
the portaudio configure will enable the library to talk to jack.
Now you are ready to make the portaudio library.
make; sudo make install;sudo ldconfig (possibly /sbin/ldconfig).
will make the code and install it into the prefix (/usr/local) selected and
will cache the configuration information for other programs to use for their
configuration options.
Now you are ready to install gr-audio-portaudio. In the gr-build directory
you may run
cvs co gr-audio-portaudio
cd gr-audio-portaudio
../buildit
will configure, make, and install the portaudio sink and source.
In gnuradio-examples/python/audio please test by running
./mono_tone_portaudio.py
If this runs you are likely in business but this chooses the default device
(typically /dev/dsp which is being run by alsa under oss emulation and on a
Mac it will choose coreaudio).
./mono_tone_portaudio.py -O hw:0,0
chooses the default alsa device.
./mono_tone_portaudio.py -O /dev/dsp
will force the use of OSS and the default oss device. To run with jack, you
will probably enter the following command:
./mono_tone_portaudio.py -O alsa_pcm
In the portaudio directory, you may list the devices visible to portaudio by
searching for and running the command
pa_devs
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