Just an update in case anybody was watching this (the original) post - I've finally published the guide... I hope that you find it helpful - please feel free to ask me any questions (as I've not had time to polish it quite as much as I'd like) Details are on the forum post here: https://retropie.org.uk/forum/topic/2394/how-to-guide-recording-live-gameplay-in-retropie-s-retroarch-emulators-natively-on-the-raspberry-pi-and-twitch-streaming A direct link to the guide is here: Recording Live Gameplay in RetroPie’s RetroArch Emulators Natively on the Raspberry Pi