> Can you set range headers from javascript? Yes, see http://stackoverflow.com/questions/15561508/xmlhttprequest-206-partial-content http://stackoverflow.com/q

> Can you set range headers from javascript? Yes, see http://stackoverflow.com/questions/15561508/xmlhttprequest-206-partial-content http://stackoverflow.com/questions/15561508/xmlhttprequest-2... > Can you set them from random video player SDKs? Good point, probably not.