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Diffstat (limited to 'xbmc/cores/VideoPlayer/DVDClock.h')
-rw-r--r-- | xbmc/cores/VideoPlayer/DVDClock.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/xbmc/cores/VideoPlayer/DVDClock.h b/xbmc/cores/VideoPlayer/DVDClock.h new file mode 100644 index 0000000..3c3f673 --- /dev/null +++ b/xbmc/cores/VideoPlayer/DVDClock.h @@ -0,0 +1,85 @@ +/* + * 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 "threads/CriticalSection.h" + +#include <memory> +#include <stdint.h> + +class CVideoReferenceClock; + +class CDVDClock +{ +public: + + CDVDClock(); + ~CDVDClock(); + + double GetClock(bool interpolated = true); + double GetClock(double& absolute, bool interpolated = true); + + double ErrorAdjust(double error, const char* log); + void Discontinuity(double clock, double absolute); + void Discontinuity(double clock = 0LL) + { + Discontinuity(clock, GetAbsoluteClock()); + } + + void Reset() { m_bReset = true; } + void SetSpeed(int iSpeed); + void SetSpeedAdjust(double adjust); + double GetSpeedAdjust(); + + double GetClockSpeed(); /**< get the current speed of the clock relative normal system time */ + + /* tells clock at what framerate video is, to * + * allow it to adjust speed for a better match */ + int UpdateFramerate(double fps, double* interval = NULL); + + void SetMaxSpeedAdjust(double speed); + + double GetAbsoluteClock(bool interpolated = true); + double GetFrequency() { return (double)m_systemFrequency ; } + + bool GetClockInfo(int& MissedVblanks, double& ClockSpeed, double& RefreshRate) const; + void SetVsyncAdjust(double adjustment); + double GetVsyncAdjust(); + + void Pause(bool pause); + void Advance(double time); + +protected: + double SystemToAbsolute(int64_t system); + int64_t AbsoluteToSystem(double absolute); + double SystemToPlaying(int64_t system); + + CCriticalSection m_critSection; + int64_t m_systemUsed; + int64_t m_startClock; + int64_t m_pauseClock; + double m_iDisc; + bool m_bReset; + bool m_paused; + int m_speedAfterPause; + std::unique_ptr<CVideoReferenceClock> m_videoRefClock; + + int64_t m_systemFrequency; + int64_t m_systemOffset; + CCriticalSection m_systemsection; + + int64_t m_systemAdjust; + int64_t m_lastSystemTime; + double m_speedAdjust; + double m_vSyncAdjust; + double m_frameTime; + + double m_maxspeedadjust; + CCriticalSection m_speedsection; +}; |