The very notion of being able to locate and identify website visitors via IP address from the video player is impressive. There are few paid services offering IP geolocation API and a precious little (if any) HTML5 video players out there that can carry this off.
Setting up a proper digital marketing strategy is the first step, albeit having a successful and effective ad campaign is the next and most significant step. Imbuing the ad campaign with a video ad tag complete with IP, latitude and/or longitude macros is just the shortcut you were looking for.
This is your safest road towards better monetization, improved ROI and not to mention effective marketing and video advertising.