MMDVMHost-Private/JitterBuffer.h

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/*
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* Copyright (C) 2017,2018 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(JITTERBUFFER_H)
#define JITTERBUFFER_H
#include "StopWatch.h"
#include "Defines.h"
#include "Timer.h"
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#include <string>
class CJitterBuffer {
public:
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CJitterBuffer(const std::string& name, unsigned int blockSize, unsigned int blockTime, unsigned int jitterTime, unsigned int topSequenceNumber, bool debug);
~CJitterBuffer();
bool addData(const unsigned char* data, unsigned int length, unsigned int sequenceNumber);
bool appendData(const unsigned char* data, unsigned int length);
B_STATUS getData(unsigned char* data, unsigned int& length);
void reset();
void clock(unsigned int ms);
private:
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std::string m_name;
unsigned int m_blockSize;
unsigned int m_blockTime;
unsigned int m_topSequenceNumber;
bool m_debug;
unsigned int m_blockCount;
CTimer m_timer;
CStopWatch m_stopWatch;
bool m_running;
struct JitterEntry
{
unsigned char* m_data;
unsigned int m_length;
};
JitterEntry* m_buffer;
unsigned int m_headSequenceNumber;
unsigned int m_appendSequenceNumber;
unsigned char* m_lastData;
unsigned int m_lastDataLength;
};
#endif