Add a new overuse estimator for the delay based BWE behind experiment.

webrtc/modules/remote_bitrate_estimator/bwe_simulations.cc

 /*
  *  Copyright (c) 2014 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 224 matching lines @@
   RateCounterFilter counter1(&uplink_, 0, "sender_output",
                              bwe_names[GetParam()]);
   TraceBasedDeliveryFilter filter(&uplink_, 0, "link_capacity");
   filter.set_max_delay_ms(500);
   RateCounterFilter counter2(&uplink_, 0, "Receiver", bwe_names[GetParam()]);
   PacketReceiver receiver(&uplink_, 0, GetParam(), true, true);
   ASSERT_TRUE(filter.Init(test::ResourcePath("google-wifi-3mbps", "rx")));
   RunFor(300 * 1000);
 }
 
+TEST_P(BweSimulation, PacerGoogleWifiTrace3MbpsLowFramerate) {
+  PeriodicKeyFrameSource source(0, 5, 300, 0, 0, 1000);
+  PacedVideoSender sender(&uplink_, &source, GetParam());
+  RateCounterFilter counter1(&uplink_, 0, "sender_output",
+                             bwe_names[GetParam()]);
+  TraceBasedDeliveryFilter filter(&uplink_, 0, "link_capacity");
+  filter.set_max_delay_ms(500);
+  RateCounterFilter counter2(&uplink_, 0, "Receiver", bwe_names[GetParam()]);
+  PacketReceiver receiver(&uplink_, 0, GetParam(), true, true);
+  ASSERT_TRUE(filter.Init(test::ResourcePath("google-wifi-3mbps", "rx")));
+  RunFor(300 * 1000);
+}
+
 TEST_P(BweSimulation, SelfFairnessTest) {
   Random prng(Clock::GetRealTimeClock()->TimeInMicroseconds());
   const int kAllFlowIds[] = {0, 1, 2, 3};
   const size_t kNumFlows = sizeof(kAllFlowIds) / sizeof(kAllFlowIds[0]);
   std::unique_ptr<VideoSource> sources[kNumFlows];
   std::unique_ptr<VideoSender> senders[kNumFlows];
   for (size_t i = 0; i < kNumFlows; ++i) {
     // Streams started 20 seconds apart to give them different advantage when
     // competing for the bandwidth.
     sources[i].reset(new AdaptiveVideoSource(kAllFlowIds[i], 30, 300, 0,
@@ skipping 187 matching lines @@
   RunChoke(GetParam(), capacities_kbps);
 
   BweTest gcc_test(false);
   gcc_test.RunChoke(kSendSideEstimator, capacities_kbps);
 }
 
 }  // namespace bwe
 }  // namespace testing
 }  // namespace webrtc