Elad Alon 8c513c7600 Add metrics related to video freezes to VideoAnalyzer
Add metrics:
1. Video freeze duration ratio.
2. Average duration of video freezes.
3. Average number of freezes per minute.
4. Harmonic frame rate.

Bug: None
Change-Id: Ic3192d3b6373c4fdf22e9051331d618dc7f4dbeb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/135466
Reviewed-by: Sergey Silkin <ssilkin@webrtc.org>
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Elad Alon <eladalon@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#27869}
2019-05-07 21:16:28 +00:00
..
2018-07-23 15:28:48 +00:00