From e835fc01b1a93244fcc224847322af64dc93040a Mon Sep 17 00:00:00 2001
From: Henrik Lundin <henrik.lundin@webrtc.org>
Date: Thu, 21 Nov 2019 09:34:29 +0100
Subject: [PATCH] Add UMA counter for audio interruptions

The metric is added to Chromium histograms in
https://chromium-review.googlesource.com/c/chromium/src/+/1925066.

Bug: webrtc:10549
Change-Id: I2bf98f469547aa8621832fc4f8bd29c4805ac0b8
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/160045
Commit-Queue: Henrik Lundin <henrik.lundin@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#29854}
---
 modules/audio_coding/neteq/statistics_calculator.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/modules/audio_coding/neteq/statistics_calculator.cc b/modules/audio_coding/neteq/statistics_calculator.cc
index 343ae8a8f8..081ec334f6 100644
--- a/modules/audio_coding/neteq/statistics_calculator.cc
+++ b/modules/audio_coding/neteq/statistics_calculator.cc
@@ -193,6 +193,8 @@ void StatisticsCalculator::EndExpandEvent(int fs_hz) {
   if (event_duration_ms >= kInterruptionLenMs && decoded_output_played_) {
     lifetime_stats_.interruption_count++;
     lifetime_stats_.total_interruption_duration_ms += event_duration_ms;
+    RTC_HISTOGRAM_COUNTS("WebRTC.Audio.AudioInterruptionMs", event_duration_ms,
+                         /*min=*/150, /*max=*/5000, /*bucket_count=*/50);
   }
   concealed_samples_at_event_end_ = lifetime_stats_.concealed_samples;
 }