I would skip the middle man and go directly from composite / S-video to HDMI. There's tons of cheap adapters that do composite to 720p or 1080p.

The Video to PC Converter is another great device by Impact Acoustics to make your in-office experience more pleasurable (perhaps at the expense of a little productivity). Take any composite or ...

If you’re interested in circuit bent video but not sure where to start, the excellent guide [LoFi Future] has come up with for modifying the cheap and readily available GBS-8100 VGA to composite ...