#EXTM3U #EXT-X-VERSION:3 #EXT-X-ALLOW-CACHE:NO #EXT-X-TARGETDURATION:2 #EXT-X-MEDIA-SEQUENCE:70 #EXTINF:1.901000, hls70.ts #EXTINF:1.900000, hls71.ts #EXTINF:1.900000, hls72.ts #EXTINF:1.898000, hls73.ts