1. Dart
2. dart:html
3. MediaSource
4. activeSourceBuffers property

MediaSource class

1. Constructors
2. MediaSource
3. Properties
4. activeSourceBuffers
5. duration
6. readyState
7. sourceBuffers
8. hashCode
9. on
10. runtimeType
11. Methods
12. addSourceBuffer
13. clearLiveSeekableRange
14. endOfStream
15. removeSourceBuffer
16. setLiveSeekableRange
17. addEventListener
18. dispatchEvent
19. noSuchMethod
20. removeEventListener
21. toString
22. Operators
23. operator ==
24. Static properties
25. supported
26. Static methods
27. isTypeSupported

SourceBufferList get activeSourceBuffers native;