That is a marvelous looking hog. I'd say 180lbs is a pretty accurate guess. He does have some length to him and wide chest, so at the upper extreme he may be pushing 210 lbs.
At time mark 0:04 you get a good broadside look at him and he is pushing twice the size of a 90 lb sow. It looks as though his height is just over half the height of your feeder.
I'd use the width and heighth of the feeder legs to estimate his dimensions and use the following calculation:
https://www.tractorsupply.com/know-how_pets-livestock_livestock-other_how-to-calculate-pig-weightNow keep in mind, in my experience wild pigs are bit more muscle (more dense) than fatty domestic pigs.