Reduce logging frequency in bwe simulations.

webrtc/modules/remote_bitrate_estimator/test/estimators/send_side.cc

 /*
  *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 10 matching lines @@
 const int kFeedbackIntervalMs = 50;
 
 FullBweSender::FullBweSender(int kbps, BitrateObserver* observer, Clock* clock)
     : bitrate_controller_(
           BitrateController::CreateBitrateController(clock, observer)),
       rbe_(new RemoteBitrateEstimatorAbsSendTime(this)),
       feedback_observer_(bitrate_controller_->CreateRtcpBandwidthObserver()),
       clock_(clock),
       send_time_history_(clock_, 10000),
       has_received_ack_(false),
-      last_acked_seq_num_(0) {
+      last_acked_seq_num_(0),
+      last_log_time_ms_(0) {
   assert(kbps >= kMinBitrateKbps);
   assert(kbps <= kMaxBitrateKbps);
   bitrate_controller_->SetStartBitrate(1000 * kbps);
   bitrate_controller_->SetMinMaxBitrate(1000 * kMinBitrateKbps,
                                         1000 * kMaxBitrateKbps);
   rbe_->SetMinBitrate(1000 * kMinBitrateKbps);
 }
 
 FullBweSender::~FullBweSender() {
 }
 
 int FullBweSender::GetFeedbackIntervalMs() const {
   return kFeedbackIntervalMs;
 }
 
 void FullBweSender::GiveFeedback(const FeedbackPacket& feedback) {
   const SendSideBweFeedback& fb =
       static_cast<const SendSideBweFeedback&>(feedback);
   if (fb.packet_feedback_vector().empty())
     return;
   std::vector<PacketInfo> packet_feedback_vector(fb.packet_feedback_vector());
   for (PacketInfo& packet_info : packet_feedback_vector) {
     if (!send_time_history_.GetInfo(&packet_info, true)) {
-      LOG(LS_WARNING) << "Ack arrived too late.";
+      int64_t now_ms = clock_->TimeInMilliseconds();
+      if (now_ms - last_log_time_ms_ > 5000) {
+        LOG(LS_WARNING) << "Ack arrived too late.";
+        last_log_time_ms_ = now_ms;
+      }
     }
   }
 
   int64_t rtt_ms =
       clock_->TimeInMilliseconds() - feedback.latest_send_time_ms();
   rbe_->OnRttUpdate(rtt_ms, rtt_ms);
   BWE_TEST_LOGGING_PLOT(1, "RTT", clock_->TimeInMilliseconds(), rtt_ms);
 
   rbe_->IncomingPacketFeedbackVector(packet_feedback_vector);
   if (has_received_ack_) {
@@ skipping 75 matching lines @@
       packet_feedback_vector_.back().arrival_time_ms;
   FeedbackPacket* fb = new SendSideBweFeedback(
       flow_id_, now_ms * 1000, corrected_send_time_ms, packet_feedback_vector_);
   packet_feedback_vector_.clear();
   return fb;
 }
 
 }  // namespace bwe
 }  // namespace testing
 }  // namespace webrtc