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zhangsimon http://www.clipconverter.cc/faq/Q:Why do i get a 'Unable to get video infos from YouTube' error?
A:This error comes up when a YouTube video currently is not available. Sometimes it is just temporary, so it may help when you try it again. If this doesnt help, we are not able to convert this video because of YouTube country or copyright restrictions.
看来此工具没办法,只能用楼上的扩展下,不过分辨率就难说了。
个人感觉楼主没有必要纠结于1080p,目前设备分辨率达到的不多,且网络视频1080p画质也不一定高。