cutscenes

I have a quiet simple streaming setup with three cameras and live audio from and USB sound-device. During streaming I switch between the three scenes (each scene with a different camera feed). The three scenes have the same audio feed. Fade-transitions (like 1000ms or longer) between the scenes...

What settings would be the most appropriate for my use case of recording game cutscenes/cinematics at 1080p 60fps? For recording only, no streaming and no microphones as the primary audio source is the game. Since the material are just cutscenes/cinematics, mostly pre-rendered, its not going to...