YouTube embed gives “restricted from playback on certain sites” error despite API metadata indicatin

NSDictionary *playerVars = @{
    @"origin" : @"http://www.youtube.com",}; [self.playerView loadWithVideoId:@"KOvoD1upTxM" playerVars:playerVars];

参考网站 https://youtube-eng.googleblog.com/2011/12/understanding-playback-restrictions_28.html

	https://stackoverflow.com/questions/13407482/youtube-embed-gives-restricted-from-playback-on-certain-sites-error-despite-ap/39650091#39650091