Fake Lib

Fake is a pulseaudio wrapper library written in c++.

Meson Building

To build it, run :

meson setup build
ninja -C build
ninja -C install

Usage

FakeLib can run multiple pulseaudio commands at once. The structure used runs the commands in the same server connection. The basic usage consists of four steps :

1. Stacking commands that you want to run.
2. Running them.
3. Extracting the resuts you're interesed in.
4. Using the extracted results.

In code, this would translate to

// The FakeLib instance to work with
FakeLib fakeLib;

// stacking and running commands (steps 1 and 2) is done here
auto result = fakeLib
	     .get_module_list()
	     .get_sink_list()
	     .get_source_list()
	     .get_source_output_list()
	     .run_commands();

// We extract the results
auto module_list = extract<info_list<module_infos_t>>(result);
auto sink_list = extract<info_list<sink_infos_t>>(result);
auto source_list = extract<info_list<source_infos_t>>(result);
auto source_output_list = extract<info_list<source_output_infos_t>>(result);

// And we print them with those helper functions
print_module_list(module_list);
print_sink_list(sink_list);
print_source_list(source_list);
print_source_output_list(source_output_list);

This code outputs this on my laptop :

=======[ Module info #1 ]=======
Name: module-device-restore
Index: 0

=======[ Module info #2 ]=======
Name: module-stream-restore
Index: 1

[...]

=======[ Module info #15 ]=======
Name: module-rescue-streams
Index: 14

=======[ Module info #16 ]=======
Name: module-always-sink
Index: 15

=======[ Sink info #1 ]=======
Name: alsa_output.pci-0000_00_1f.3.analog-stereo
Index: 0
Description: Audio interne Stéréo analogique

=======[ Source info #1 ]=======
Name: alsa_output.pci-0000_00_1f.3.analog-stereo.monitor
Index: 0
Description: Monitor of Audio interne Stéréo analogique

=======[ Source info #2 ]=======
Name: alsa_input.pci-0000_00_1f.3.analog-stereo
Index: 1
Description: Audio interne Stéréo analogique

=======[ Source Output info #1 ]=======
Name: recStream
Source: 1
Index: 0
Source Process Binary Name: .Discord-wrapped

Integration

FakeLib provides a pkg-config file.

Requirements

Fake requires libpulse

Help

FakeLib is just a little project, but feel free to fork, change, extend or correct the code.

License

FakeLib is delivered as it is under the well known MIT License

References that helped

• pulseaudio IRC : <#pulseaudio>
• pulseaudio under the hood : https://gavv.github.io/articles/pulseaudio-under-the-hood/
• pulseaudio documentation : https://freedesktop.org/software/pulseaudio/doxygen/
• pulseaudio introspect API interface : https://freedesktop.org/software/pulseaudio/doxygen/introspect_8h.html