#EXTM3U #EXT-X-VERSION:3 #EXT-X-ALLOW-CACHE:NO #EXT-X-TARGETDURATION:2 #EXT-X-MEDIA-SEQUENCE:4 #EXTINF:1.900000, hls4.ts #EXTINF:1.900000, hls5.ts #EXTINF:1.898000, hls6.ts #EXTINF:1.900000, hls7.ts