IR does have a color temperature. It is down below what the average eye can see at the red end of the visual spectrum that we can see. You need a very long exposure to capture it depending on the camera setup. On my Nikon with a 57 filter it...
The encoding format is not relevant to your problem. The format being talked about is the basic disc format itself. FAT, XFAT both both work. No formats will, like UNIX or any flavor of APPLE.