http://caoyuwu.eu.org/video/oceans.mp4
http://localhost/live/test1.flv
http://localhost/test-media/prog_index.m3u8
http://proxy.caoyuwu.top:1080/rtmp2flv/ivi.bupt.edu.cn:1935/livetv/cctv1hd
rtmp://ivi.bupt.edu.cn:1935/livetv/cctv1hd (不支持)