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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include <stdint.h>
class BitstreamStats final
{
public:
// in order not to cause a performance hit, we should only check the clock when
// we reach m_nEstimatedBitrate bits.
// if this value is 1, we will calculate bitrate on every sample.
explicit BitstreamStats(unsigned int nEstimatedBitrate=(10240*8) /*10Kbit*/);
void AddSampleBytes(unsigned int nBytes);
void AddSampleBits(unsigned int nBits);
inline double GetBitrate() const { return m_dBitrate; }
inline double GetMaxBitrate() const { return m_dMaxBitrate; }
inline double GetMinBitrate() const { return m_dMinBitrate; }
void Start();
void CalculateBitrate();
private:
double m_dBitrate;
double m_dMaxBitrate;
double m_dMinBitrate;
unsigned int m_nBitCount;
unsigned int m_nEstimatedBitrate; // when we reach this amount of bits we check current bitrate.
int64_t m_tmStart;
static int64_t m_tmFreq;
};
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