effect « renderer « audio_core « src - anonymous/yuzu - yuzu is the world's most popular, open-source, Nintendo Switch emulator — started by the creators of Citra. It is written in C++ with portability in mind,

Mode	Name	Size
-rw-r--r--	aux_.cpp	3734	log stats plain blame
-rw-r--r--	aux_.h	4737	log stats plain blame
-rw-r--r--	biquad_filter.cpp	1958	log stats plain blame
-rw-r--r--	biquad_filter.h	2889	log stats plain blame
-rw-r--r--	buffer_mixer.cpp	1830	log stats plain blame
-rw-r--r--	buffer_mixer.h	2760	log stats plain blame
-rw-r--r--	capture.cpp	3212	log stats plain blame
-rw-r--r--	capture.h	2143	log stats plain blame
-rw-r--r--	compressor.cpp	1383	log stats plain blame
-rw-r--r--	compressor.h	3579	log stats plain blame
-rw-r--r--	delay.cpp	3482	log stats plain blame
-rw-r--r--	delay.h	5067	log stats plain blame
-rw-r--r--	effect_context.cpp	1342	log stats plain blame
-rw-r--r--	effect_context.h	2585	log stats plain blame
-rw-r--r--	effect_info_base.h	12410	log stats plain blame
-rw-r--r--	effect_reset.h	2908	log stats plain blame
-rw-r--r--	effect_result_state.h	317	log stats plain blame
-rw-r--r--	i3dl2.cpp	3570	log stats plain blame
-rw-r--r--	i3dl2.h	6874	log stats plain blame
-rw-r--r--	light_limiter.cpp	3136	log stats plain blame
-rw-r--r--	light_limiter.h	5187	log stats plain blame
-rw-r--r--	reverb.cpp	3491	log stats plain blame
-rw-r--r--	reverb.h	6573	log stats plain blame