Cannot read property 'segmentIndexSource' of

[sanbornhilland]

Using the most up-to-date build off the master branch:

1. Open the sample app and play "Oops" Multi-DRM
2. Set the minBandwidth to filter out some tracks (e.g. 702000)
3. Click the Load Stream button again, to reload the "Oops" video

I get the following errors:

Assertion failed: Each StreamSetInfo should contain at least one usable StreamInfo
Uncaught TypeError: Cannot read property 'segmentIndexSource' of null

[tdrews]

StreamVideoSource is applying the restrictions to the audio tracks, which it should not be. We'll have a patch up shortly.

However, we'll defer handling the case where no audio or video tracks are available (during playback or at startup) until later (we can address this issue along with #170).