Kinovea will do the trick, and it’s open source. Or, if you’re using an iPad/iPhone, Ubersense seems to be pretty slick (I’ve only seen it in action once - I have not used it personally).
Kinovea will do the trick, and it’s open source. Or, if you’re using an iPad/iPhone, Ubersense seems to be pretty slick (I’ve only seen it in action once - I have not used it personally).