From 59b2d3ebe700fefff7f6928bad3faad8e34fa83a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Peter=20Bostr=C3=B6m?= <pbos@webrtc.org>
Date: Tue, 26 Jan 2016 16:18:48 +0100
Subject: [PATCH] Remove zero-divide in VCMContentMetricsProcessing.

Protects against zero-framerate in UpdateFrameRate.

BUG=webrtc:5124
R=stefan@webrtc.org

Review URL: https://codereview.webrtc.org/1636943003 .

Cr-Commit-Position: refs/heads/master@{#11382}
---
 webrtc/modules/video_coding/content_metrics_processing.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/webrtc/modules/video_coding/content_metrics_processing.cc b/webrtc/modules/video_coding/content_metrics_processing.cc
index 0c3a6dbc6c..b2586fce3f 100644
--- a/webrtc/modules/video_coding/content_metrics_processing.cc
+++ b/webrtc/modules/video_coding/content_metrics_processing.cc
@@ -44,6 +44,8 @@ int VCMContentMetricsProcessing::Reset() {
 }
 
 void VCMContentMetricsProcessing::UpdateFrameRate(uint32_t frameRate) {
+  if (frameRate == 0)
+    frameRate = 1;
   // Update factor for recursive averaging.
   recursive_avg_factor_ = static_cast<float>(1000.0f) /
                           static_cast<float>(frameRate * kQmMinIntervalMs);