Amarec and OBS setup
From RPG Speedruns
You really shouldn't be using AmarecTV anymore. It's awful. Use OBS Studio which very likely has all the functionality you need. If you still want it, Here are the settings I used back in the day that worked best for me:
AmarecTV 3.10 download: http://amarectv.com/download_amarectv.htm
Direct Link: http://cgi.geocities.jp/amarectv/cgi-bin/kz_dl_counter.cgi?http://www.amarectv.com/download/amarectv310.zip
Alternate Wiiu settings