optimize streaming

14:55

19:25

34:18

7:27

11:12

9:07

13:47

5:56

4:25

6:19

16:42

8:48

28:39

12:13

17:59

7:43

3:44

11:13

9:27

16:37

14:09

6:31

5:49

5:52

1:45

9:05

11:01

10:46

4:10

9:29

12:27

9:18

13:54

10:41

1:02

14:28

44:17

11:23

4:53

2:56

4:06

12:06

8:20

8:24

4:41

1:41

7:49

8:18

12:31

4:55

2:17

4:35

8:01

5:25

2:53

15:36

28:15

23:41

18:24

9:22