#EXTM3U
#EXT-X-VERSION:3
#EXT-X-STREAM-INF:BANDWIDTH=4506986,CODECS="avc1.4d4028,mp4a.40.2",RESOLUTION=1920x1080
170221teacher_4m.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=2302791,CODECS="avc1.4d401f,mp4a.40.2",RESOLUTION=1280x720
170221teacher_2m.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=1406518,CODECS="avc1.4d401f,mp4a.40.2",RESOLUTION=960x540
170221teacher_1200k.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=931783,CODECS="avc1.66.30,mp4a.40.2",RESOLUTION=640x360
170221teacher_768k.m3u8
#EXT-X-STREAM-INF:BANDWIDTH=498687,CODECS="avc1.42c00c,mp4a.40.2",RESOLUTION=320x180
170221teacher_384k.m3u8