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make portaudio available on linux · Issue #155 · csete ...
https://github.com/csete/gqrx/issues/155
If you comment out the line "AUDIO_BACKEND = pulse" gqrx will use gr-audio system. gr-audio does not have pulseaudio support, only ALSA, jack and portaudio. Also note that no matter how you compile, the code will only use portaudio functions on Mac, so that would have to be changed as well.
Audio APIs, Part 2: Pulseaudio / Linux - Bastibe.de
https://bastibe.de/2017-06-27-audio-apis-pulseaudio.html
Instead of relying on PortAudio, I would have to use the native audio APIs of the three major platforms directly, and implement a simple, cross-platform, high-level, NumPy-aware Python API myself. This effort resulted in PythonAudio , a new pure-Python package that uses CFFI to talk to PulseAudio on Linux, Core Audio on macOS, and WASAPI [1] on ...
PortAudio - an Open-Source Cross-Platform Audio API
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.
How use PulseAudio and JACK? | JACK Audio …
https://jackaudio.org/faq/pulseaudio_and_jack.html
To tell JACK to use the RME Hammerfall DSP, you would typically do this either via any available Graphical User Interface or on the command line, by passing -d hw:DSP to JACK’s ALSA backend. Telling PulseAudio which device to use Option 3: route PulseAudio to JACK while JACK is running. Please see this wikipage.
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