https://freedesktop.org/software/pulseaudio/doxygen/volume_8h.html#a0777581d85a1d4bf9c831bdacaac51ac
https://stackoverflow.com/questions/23291334/how-to-change-the-volume-in-pulseaudio-libpulse _______________________________________________ pulseaudio-discuss mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/pulseaudio-discuss
