Reland of "Log audio network adapter decisions in event log."

webrtc/logging/rtc_event_log/rtc_event_log.cc

Index: webrtc/logging/rtc_event_log/rtc_event_log.cc
diff --git a/webrtc/logging/rtc_event_log/rtc_event_log.cc b/webrtc/logging/rtc_event_log/rtc_event_log.cc
index 21ca5e127de2f8d3b135cc966cdcf9d8dd80cd6d..65ee7d8881e6c413301e85fd02667878d29defbe 100644
--- a/webrtc/logging/rtc_event_log/rtc_event_log.cc
+++ b/webrtc/logging/rtc_event_log/rtc_event_log.cc
@@ -77,6 +77,8 @@ class RtcEventLogImpl final : public RtcEventLog {
   void LogBwePacketLossEvent(int32_t bitrate,
                              uint8_t fraction_loss,
                              int32_t total_packets) override;
+  void LogAudioNetworkAdaptation(
+      const AudioNetworkAdaptor::EncoderRuntimeConfig& config) override;
 
  private:
   void StoreEvent(std::unique_ptr<rtclog::Event>* event);
@@ -434,6 +436,29 @@ void RtcEventLogImpl::LogBwePacketLossEvent(int32_t bitrate,
   StoreEvent(&event);
 }
 
+void RtcEventLogImpl::LogAudioNetworkAdaptation(
+    const AudioNetworkAdaptor::EncoderRuntimeConfig& config) {
+  std::unique_ptr<rtclog::Event> event(new rtclog::Event());
+  event->set_timestamp_us(rtc::TimeMicros());
+  event->set_type(rtclog::Event::AUDIO_NETWORK_ADAPTATION_EVENT);
+  auto audio_network_adaptation = event->mutable_audio_network_adaptation();
+  if (config.bitrate_bps)
+    audio_network_adaptation->set_bitrate_bps(*config.bitrate_bps);
+  if (config.frame_length_ms)
+    audio_network_adaptation->set_frame_length_ms(*config.frame_length_ms);
+  if (config.uplink_packet_loss_fraction) {
+    audio_network_adaptation->set_uplink_packet_loss_fraction(
+        *config.uplink_packet_loss_fraction);
+  }
+  if (config.enable_fec)
+    audio_network_adaptation->set_enable_fec(*config.enable_fec);
+  if (config.enable_dtx)
+    audio_network_adaptation->set_enable_dtx(*config.enable_dtx);
+  if (config.num_channels)
+    audio_network_adaptation->set_num_channels(*config.num_channels);
+  StoreEvent(&event);
+}
+
 void RtcEventLogImpl::StoreEvent(std::unique_ptr<rtclog::Event>* event) {
   if (!event_queue_.Insert(event)) {
     LOG(LS_ERROR) << "WebRTC event log queue full. Dropping event.";