Mcbazel ODV-II Composite CVBS/S-Video/YPbPr to YPbPr Component Converter with Component AV Cable for PS1/PS2/N64/GC/SFC/Retro Gaming Console: Amazon.co.uk: PC & Video Games
This cheap RT2X ripoff product can transcode s-video to component (tested with n64) : r/crtgaming
Koryuu' Composite & S-Video to Component Converter Announced | RetroRGB