Draft: fix isMPEG2TS
fix isMPEG2TS
some m3u8 file like this (not work)
#EXTM3U #EXT-X-VERSION:3 #EXT-X-TARGETDURATION:6 #EXT-X-PLAYLIST-TYPE:VOD #EXT-X-MEDIA-SEQUENCE:0 #EXTINF:3.127, xxx.png #EXTINF:3.127, xxx.jpg #EXT-X-ENDLIST
(cherry picked from commit c21e1ef47430bdb2b502ca54ab71ef6f3d2711da)