Pulseaudio Persistent default sink Daemon

papersistd is a demo project of system daemon that wait for audio sink with specific name and make it PulseAudio default sink.

How-to

Configure

$ conan install . -if build # Optional. Skip if system dependencies are used.
$ export PKG_CONFIG_PATH="$PWD/build" # Optional. Skip if system dependencies are used.
$ cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX="$HOME/.local/bin"

Build

$ cmake --build build

Install

$ cmake --build --target install

Also it is required to set environment variables:

$ echo "PULSE_SERVER=unix:/run/user/1000/pulse/native" >> ~/.config/environment.d/papersistd.conf # Optional.
$ echo "PULSE_DEFAULT_SINK=alsa_output.some-name.analog-stereo" >> ~/.config/environment.d/papersistd.conf

and start the daemon:

$ systemctl --user start papersistd

Dependencies

Build dependencies

• Conan package manager (Optional)
• CMake build tool
• pkg-config
• C++ toolchain with C++17 support (other version is not tested)
• libpulse - The asynchronous PulseAudio API library and headers.

Runtime dependencies

• PulseAudio
• systemd