Tune BWE to be more sensitive on low capacity networks.

webrtc/modules/remote_bitrate_estimator/overuse_detector_unittest.cc

 /*
  *  Copyright (c) 2012 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 313 matching lines @@
   size_t packet_size = 1200;
   int packets_per_frame = 1;
   int frame_duration_ms = 333;
   int drift_per_frame_ms = 1;
   int sigma_ms = 3;
   int unique_overuse = Run100000Samples(packets_per_frame, packet_size,
                                         frame_duration_ms, sigma_ms);
   EXPECT_EQ(0, unique_overuse);
   int frames_until_overuse = RunUntilOveruse(packets_per_frame, packet_size,
       frame_duration_ms, sigma_ms, drift_per_frame_ms);
-  EXPECT_EQ(21, frames_until_overuse);
+  EXPECT_EQ(20, frames_until_overuse);
 }
 
 TEST_F(OveruseDetectorTest, LowGaussianVarianceFastDrift30Kbit3fps) {
   size_t packet_size = 1200;
   int packets_per_frame = 1;
   int frame_duration_ms = 333;
   int drift_per_frame_ms = 100;
   int sigma_ms = 3;
   int unique_overuse = Run100000Samples(packets_per_frame, packet_size,
                                         frame_duration_ms, sigma_ms);
@@ skipping 41 matching lines @@
   size_t packet_size = 1200;
   int packets_per_frame = 2;
   int frame_duration_ms = 200;
   int drift_per_frame_ms = 1;
   int sigma_ms = 3;
   int unique_overuse = Run100000Samples(packets_per_frame, packet_size,
                                         frame_duration_ms, sigma_ms);
   EXPECT_EQ(0, unique_overuse);
   int frames_until_overuse = RunUntilOveruse(packets_per_frame, packet_size,
       frame_duration_ms, sigma_ms, drift_per_frame_ms);
-  EXPECT_EQ(21, frames_until_overuse);
+  EXPECT_EQ(20, frames_until_overuse);
 }
 
 #if defined(WEBRTC_ANDROID)
 #define MAYBE_HighGaussianVariance100Kbit5fps \
   DISABLED_HighGaussianVariance100Kbit5fps
 #else
 #define MAYBE_HighGaussianVariance100Kbit5fps HighGaussianVariance100Kbit5fps
 #endif
 TEST_F(OveruseDetectorTest, MAYBE_HighGaussianVariance100Kbit5fps) {
   size_t packet_size = 1200;
@@ skipping 19 matching lines @@
   size_t packet_size = 1200;
   int packets_per_frame = 1;
   int frame_duration_ms = 100;
   int drift_per_frame_ms = 1;
   int sigma_ms = 3;
   int unique_overuse = Run100000Samples(packets_per_frame, packet_size,
                                         frame_duration_ms, sigma_ms);
   EXPECT_EQ(0, unique_overuse);
   int frames_until_overuse = RunUntilOveruse(packets_per_frame, packet_size,
       frame_duration_ms, sigma_ms, drift_per_frame_ms);
-  EXPECT_EQ(21, frames_until_overuse);
+  EXPECT_EQ(20, frames_until_overuse);
 }
 
 #if defined(WEBRTC_ANDROID)
 #define MAYBE_HighGaussianVariance100Kbit10fps \
   DISABLED_HighGaussianVariance100Kbit10fps
 #else
 #define MAYBE_HighGaussianVariance100Kbit10fps HighGaussianVariance100Kbit10fps
 #endif
 TEST_F(OveruseDetectorTest, MAYBE_HighGaussianVariance100Kbit10fps) {
   size_t packet_size = 1200;
@@ skipping 324 matching lines @@
     if (overuse_state == kBwOverusing) {
       overuse_detected = true;
     }
     ++num_deltas;
     now_ms += 5;
   }
   EXPECT_TRUE(overuse_detected);
 }
 }  // namespace testing
 }  // namespace webrtc