后端返回的这种格式

#EXTM3U

#EXT-X-TARGETDURATION:15

#EXT-X-DISCONTINUITY

#EXTINF:10,

https://v1.baidupcs.com/video/netdisk-videotran-qingdao/a819b8697629ade5d675e580cf1b6123_1074_1_ts/fbd9223f3f995a340a8f1a82e3115f3e?ts_size=1757612&app_id=250528&csl=130&dp-logid=2082920538438464355&fn=321.mp4&iv=0&logid=2082920538438464355&ouk=2111117958&r=139352305&size=2353746&sta_cs=352&sta_dt=video&sta_dx=2&time=1585596284&to=hs01&tot=cn66b&uo=ct&uva=3704365954&vuk=2111117958&etag=fbd9223f3f995a340a8f1a82e3115f3e&fid=352aeb122e21794dcd6e6c7e8d608e88-2111117958&len=1173684&path=%2Fkerr%2F321.mp4&range=0-1173683&region=qingdao&resv4=&sign=BOUTHNF-F3530edecde9cd71b79378b290804a96-D5iZEE46s9CWG1UokAXC9Lj3xAM%253D&xcode=a9876a03f4629dc4177fb1d532bf86b9b351434c3a083a216acd8b36813b3e14b345e25a5c5811337b3f4ef3f44e7cba9a7e3ac4ae9d7ad8&xv=6&need_suf=&pmk=1400fbd9223f3f995a340a8f1a82e3115f3e9e9532340000001ad1ac&by=my-streaming

#EXT-X-ENDLIST