3c9be1bc4d
Review URL: https://webrtc-codereview.appspot.com/353004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@1477 4adac7df-926f-26a2-2b94-8c16560cd09d
91 lines
2.6 KiB
C++
91 lines
2.6 KiB
C++
/*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_OVERUSE_DETECTOR_H_
|
|
#define WEBRTC_MODULES_RTP_RTCP_SOURCE_OVERUSE_DETECTOR_H_
|
|
|
|
#include <list>
|
|
|
|
#include "bwe_defines.h"
|
|
#include "module_common_types.h"
|
|
#include "typedefs.h"
|
|
|
|
#ifdef WEBRTC_BWE_MATLAB
|
|
#include "../test/BWEStandAlone/MatlabPlot.h"
|
|
#endif
|
|
|
|
namespace webrtc {
|
|
enum RateControlRegion;
|
|
|
|
class OverUseDetector
|
|
{
|
|
public:
|
|
OverUseDetector();
|
|
~OverUseDetector();
|
|
bool Update(const WebRtcRTPHeader& rtpHeader,
|
|
const WebRtc_UWord16 packetSize,
|
|
const WebRtc_Word64 nowMS);
|
|
BandwidthUsage State() const;
|
|
void Reset();
|
|
double NoiseVar() const;
|
|
void SetRateControlRegion(RateControlRegion region);
|
|
|
|
private:
|
|
struct FrameSample
|
|
{
|
|
FrameSample() : _size(0), _completeTimeMs(-1), _timestamp(-1) {}
|
|
|
|
WebRtc_UWord32 _size;
|
|
WebRtc_Word64 _completeTimeMs;
|
|
WebRtc_Word64 _timestamp;
|
|
};
|
|
|
|
void CompensatedTimeDelta(const FrameSample& currentFrame,
|
|
const FrameSample& prevFrame,
|
|
WebRtc_Word64& tDelta,
|
|
double& tsDelta,
|
|
bool wrapped);
|
|
void UpdateKalman(WebRtc_Word64 tDelta,
|
|
double tsDelta,
|
|
WebRtc_UWord32 frameSize,
|
|
WebRtc_UWord32 prevFrameSize);
|
|
double UpdateMinFramePeriod(double tsDelta);
|
|
void UpdateNoiseEstimate(double residual, double tsDelta, bool stableState);
|
|
BandwidthUsage Detect(double tsDelta);
|
|
double CurrentDrift();
|
|
|
|
bool _firstPacket;
|
|
FrameSample _currentFrame;
|
|
FrameSample _prevFrame;
|
|
WebRtc_UWord16 _numOfDeltas;
|
|
double _slope;
|
|
double _offset;
|
|
double _E[2][2];
|
|
double _processNoise[2];
|
|
double _avgNoise;
|
|
double _varNoise;
|
|
double _threshold;
|
|
std::list<double> _tsDeltaHist;
|
|
double _prevOffset;
|
|
double _timeOverUsing;
|
|
WebRtc_UWord16 _overUseCounter;
|
|
BandwidthUsage _hypothesis;
|
|
|
|
#ifdef WEBRTC_BWE_MATLAB
|
|
MatlabPlot* _plot1;
|
|
MatlabPlot* _plot2;
|
|
MatlabPlot* _plot3;
|
|
MatlabPlot* _plot4;
|
|
#endif
|
|
};
|
|
} // namespace webrtc
|
|
|
|
#endif // WEBRTC_MODULES_RTP_RTCP_SOURCE_OVERUSE_DETECTOR_H_
|