Oliver Woodman c62e535cf0 Make HLS behind-live-window behavior consistent.
- Propagate BehindLiveWindowException if we fall off the back
  of an HLS live stream.
- Consolidate seekPositionUs and playbackPositionUs into a
  single parameter.

Issue: #765
2015-11-27 15:57:20 +00:00
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2015-10-27 20:15:37 +00:00