| /* |
| * Copyright (c) 2011 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. |
| */ |
| |
| #include <fstream> |
| #include <math.h> |
| |
| #include "BWEStabilityTest.h" |
| #include "TestLoadGenerator.h" |
| #include "tick_util.h" |
| #include "critical_section_wrapper.h" |
| |
| |
| BWEStabilityTest::BWEStabilityTest(std::string testName, int rateKbps, int testDurationSeconds) |
| : |
| _testDurationSeconds(testDurationSeconds), |
| BWEOneWayTest(testName, rateKbps) |
| { |
| } |
| |
| |
| BWEStabilityTest::~BWEStabilityTest() |
| { |
| if (_gen) |
| { |
| delete _gen; |
| _gen = NULL; |
| } |
| } |
| |
| |
| int BWEStabilityTest::Init(std::string ip, WebRtc_UWord16 port) |
| { |
| // create the load generator object |
| const int rtpSampleRate = 90000; |
| const int frameRate = 30; |
| const double spreadFactor = 0.2; |
| const double keyToDeltaRatio = 7; |
| const int keyFramePeriod = 300; |
| |
| if (_master) |
| { |
| _gen = new CBRFixFRGenerator(_sendrec, _startRateKbps, rtpSampleRate, frameRate, spreadFactor); |
| //_gen = new PeriodicKeyFixFRGenerator(_sendrec, _startRateKbps, rtpSampleRate, frameRate, |
| // spreadFactor, keyToDeltaRatio, keyFramePeriod); |
| if (!_gen) |
| { |
| return (-1); |
| } |
| |
| } |
| |
| return BWEOneWayTest::Init(ip, port); |
| } |
| |
| |
| void BWEStabilityTest::Report(std::fstream &log) |
| { |
| // cannot report on a running test |
| if(_running) return; |
| |
| BWETest::Report(log); |
| |
| CriticalSectionScoped cs(_statCritSect); |
| |
| log << "Bitrate statistics\n"; |
| log << "\tAverage = " << _rateVecKbps.Mean() << " kbps\n"; |
| log << "\tMin = " << _rateVecKbps.Min() << " kbps\n"; |
| log << "\tMax = " << _rateVecKbps.Max() << " kbps\n"; |
| log << "\tStd = " << _rateVecKbps.Std() << " kbps\n"; |
| |
| } |
| |
| |
| bool BWEStabilityTest::StoppingCriterionMaster() |
| { |
| return (TickTime::MillisecondTimestamp() - _startTimeMs >= _testDurationSeconds * 1000); |
| } |