am bb5d7c21: am 5f423917: Merge "Attempt to derive the avg. bitrate of the entire stream from metadata." into gingerbread

Merge commit 'bb5d7c21615128630fc9d08274bb14ca01e2124b'

* commit 'bb5d7c21615128630fc9d08274bb14ca01e2124b':
  Attempt to derive the avg. bitrate of the entire stream from metadata.