olly 200ee68479 Reading average and peak bitrates from esds boxes.
This provides better compatibility with MediaExtractor, which does read these fields; we also need them for being able to mux file contents into another mp4 file.

Also, there is a minor refactor included so that we have an actual type for esds box contents instead of a pair.

PiperOrigin-RevId: 438673825
2022-04-07 16:14:43 +01:00
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2020-02-11 17:08:45 +00:00