webrtc-audio-processing 2.1 = http://freedesktop.org/software/pulseaudio/webrtc-audio-processing/webrtc-audio-processing-2.1.tar.xz ``` sh *** patch *** sed -i '1i #include ' webrtc/rtc_base/trace_event.h sed -i '/#include /a #include ' webrtc/modules/audio_processing/aec3/multi_channel_content_detector.h ``` ``` sh *** build *** mkdir -p build cd build meson setup --prefix=/pkg/gnu/webrtc-audio-processing .. ninja ninja install ```