commit a40672a120d83d5b244d7284adf79ff975010edd
author palmkvist <palmkvist@webrtc.org> Fri Jan 13 13:58:34 2017
committer Commit bot <commit-bot@chromium.org> Fri Jan 13 13:58:34 2017
tree 40eb5d9a6b1efb0582e731b64c40d8148f535572
parent d533aec3b8425edd81c2743f7683c12b74c307b5

Add UMA stats to bad call detection.

Just simple "percentage of call that was bad" stats.

BUG=webrtc:6814

Review-Url: https://codereview.webrtc.org/2578213003
Cr-Commit-Position: refs/heads/master@{#16049}

webrtc/video/quality_threshold.h

diff --git a/webrtc/video/quality_threshold.h b/webrtc/video/quality_threshold.h
index 9bd0aaee..95e11d2 100644
--- a/webrtc/video/quality_threshold.h
+++ b/webrtc/video/quality_threshold.h
@@ -29,6 +29,7 @@
   void AddMeasurement(int measurement);
   rtc::Optional<bool> IsHigh() const;
   rtc::Optional<double> CalculateVariance() const;
+  rtc::Optional<double> FractionHigh(int min_required_samples) const;
 
  private:
   const std::unique_ptr<int[]> buffer_;
@@ -42,6 +43,8 @@
   int sum_;
   int count_low_;
   int count_high_;
+  int num_high_states_;
+  int num_certain_states_;
 };
 
 }  // namespace webrtc