Update smoothed bitrate.

webrtc/audio/audio_send_stream.cc

Index: webrtc/audio/audio_send_stream.cc
diff --git a/webrtc/audio/audio_send_stream.cc b/webrtc/audio/audio_send_stream.cc
index b031762b4cecd173e21766e4ab3f91c070a37fd9..5245d6b18f1bfa9ed12c0d2f10b28a79d04cdcca 100644
--- a/webrtc/audio/audio_send_stream.cc
+++ b/webrtc/audio/audio_send_stream.cc
@@ -240,6 +240,8 @@ uint32_t AudioSendStream::OnBitrateUpdated(uint32_t bitrate_bps,
 
   channel_proxy_->SetBitrate(bitrate_bps);
 
+  if (first_update_bitrate_())

[the sun, 2016/12/01 09:16:55]

nit: always {} in this file, even for one-liners

[michaelt, 2016/12/05 15:08:49]

Done.

+    UpdateSmoothedBitrate();
   // The amount of audio protection is not exposed by the encoder, hence
   // always returning 0.
   return 0;
@@ -382,5 +384,12 @@ bool AudioSendStream::SetupSendCodec() {
   return true;
 }
 
+void AudioSendStream::UpdateSmoothedBitrate() {
+  channel_proxy_->UpdateSmoothedBitrate();
+  constexpr uint32_t kUpdateSmoothedBitrateIntervalMs = 200;
+  worker_queue_->PostDelayedTask([this]() { UpdateSmoothedBitrate(); },
+                                 kUpdateSmoothedBitrateIntervalMs);
+}
+
 }  // namespace internal
 }  // namespace webrtc