From be933ef2241d79558f91796cc5b3a161f72ebf9c Mon Sep 17 00:00:00 2001 From: manuel Date: Mon, 19 Oct 2020 00:52:24 +0200 Subject: sync with upstream --- xbmc/utils/BitstreamStats.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100644 xbmc/utils/BitstreamStats.h (limited to 'xbmc/utils/BitstreamStats.h') diff --git a/xbmc/utils/BitstreamStats.h b/xbmc/utils/BitstreamStats.h new file mode 100644 index 0000000..13413c6 --- /dev/null +++ b/xbmc/utils/BitstreamStats.h @@ -0,0 +1,40 @@ +/* + * 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 + +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; +}; + -- cgit v1.2.3