Speculative fix for division by zero in Vp8EncoderImpl.

webrtc/modules/video_coding/media_optimization.cc

Index: webrtc/modules/video_coding/media_optimization.cc
diff --git a/webrtc/modules/video_coding/media_optimization.cc b/webrtc/modules/video_coding/media_optimization.cc
index a30ac9521abe3371567f427c661d7777e5ee86a7..49757bc366897a56dabe13839dd13bc6d3b75a33 100644
--- a/webrtc/modules/video_coding/media_optimization.cc
+++ b/webrtc/modules/video_coding/media_optimization.cc
@@ -10,6 +10,9 @@
 
 #include "webrtc/modules/video_coding/media_optimization.h"
 
+// #include <algorithm>

[sprang_webrtc, 2017/03/10 12:38:57]

remove

[stefan-webrtc, 2017/03/10 12:39:41]

Done.

+#include <limits>
+
 #include "webrtc/base/logging.h"
 #include "webrtc/modules/video_coding/utility/frame_dropper.h"
 #include "webrtc/system_wrappers/include/clock.h"
@@ -129,7 +132,9 @@ uint32_t MediaOptimization::InputFrameRate() {
 
 uint32_t MediaOptimization::InputFrameRateInternal() {
   ProcessIncomingFrameRate(clock_->TimeInMilliseconds());
-  return uint32_t(incoming_frame_rate_ + 0.5f);
+  uint32_t framerate = static_cast<uint32_t>(std::min<float>(
+      std::numeric_limits<uint32_t>::max(), incoming_frame_rate_ + 0.5f));
+  return framerate;
 }
 
 uint32_t MediaOptimization::SentFrameRate() {