85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
/*
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* Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <fstream>
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#include <math.h>
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#include "BWEStabilityTest.h"
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#include "TestLoadGenerator.h"
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#include "tick_util.h"
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#include "critical_section_wrapper.h"
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BWEStabilityTest::BWEStabilityTest(std::string testName, int rateKbps, int testDurationSeconds)
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:
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_testDurationSeconds(testDurationSeconds),
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BWEOneWayTest(testName, rateKbps)
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{
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}
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BWEStabilityTest::~BWEStabilityTest()
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{
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if (_gen)
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{
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delete _gen;
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_gen = NULL;
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}
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}
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int BWEStabilityTest::Init(std::string ip, WebRtc_UWord16 port)
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{
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// create the load generator object
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const int rtpSampleRate = 90000;
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const int frameRate = 30;
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const double spreadFactor = 0.2;
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const double keyToDeltaRatio = 7;
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const int keyFramePeriod = 300;
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if (_master)
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{
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_gen = new CBRFixFRGenerator(_sendrec, _startRateKbps, rtpSampleRate, frameRate, spreadFactor);
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//_gen = new PeriodicKeyFixFRGenerator(_sendrec, _startRateKbps, rtpSampleRate, frameRate,
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// spreadFactor, keyToDeltaRatio, keyFramePeriod);
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if (!_gen)
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{
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return (-1);
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}
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}
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return BWEOneWayTest::Init(ip, port);
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}
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void BWEStabilityTest::Report(std::fstream &log)
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{
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// cannot report on a running test
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if(_running) return;
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BWETest::Report(log);
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CriticalSectionScoped cs(_statCritSect);
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log << "Bitrate statistics\n";
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log << "\tAverage = " << _rateVecKbps.Mean() << " kbps\n";
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log << "\tMin = " << _rateVecKbps.Min() << " kbps\n";
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log << "\tMax = " << _rateVecKbps.Max() << " kbps\n";
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log << "\tStd = " << _rateVecKbps.Std() << " kbps\n";
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}
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bool BWEStabilityTest::StoppingCriterionMaster()
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{
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return (TickTime::MillisecondTimestamp() - _startTimeMs >= _testDurationSeconds * 1000);
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}
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