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jxrlib: Add library sources

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Rémi Bernon 2020-09-11 20:56:27 +02:00 • committed by Andrew Eikum
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commit d9d777072a
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jxrlib/image/sys/perfTimer.h Normal file
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//*@@@+++@@@@******************************************************************
//
// Copyright © Microsoft Corp.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// • Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// • Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
//*@@@---@@@@******************************************************************
#ifndef __PERFTIMER_H_
#define __PERFTIMER_H_
//***************************************************************************
// Description
//
// Performance timer API used to measure codec performance. The underlying
// implementation of this API may vary - from ANSI-C implementation via clock,
// Win32 implementation via QueryPerformanceCounter or GetProcessTimes. At
// present we only support one implementation of this PerfTimer "object".
// You choose the implementation by choosing which one of the many files
// to compile and link with your application.
//***************************************************************************
#ifdef DISABLE_PERF_MEASUREMENT
#define PERFTIMER_ONLY(code)
#define PERFTIMER_NEW(fPerf, ppPerfTimer)
#define PERFTIMER_DELETE(fPerf, ppPerfTimer)
#define PERFTIMER_START(fPerf, pPerfTimer)
#define PERFTIMER_STOP(fPerf, pPerfTimer)
#define PERFTIMER_GETRESULTS(fPerf, pPerfTimer, pResults)
#define PERFTIMER_COPYSTARTTIME(fPerf, pDst, pSrc)
#define PERFTIMER_REPORT(fPerf, pCodec)
#else // DISABLE_PERF_MEASUREMENT
#define PERFTIMER_ONLY(code) code
#define PERFTIMER_NEW(fPerf, ppPerfTimer) if (fPerf) {Bool b = b = PerfTimerNew(ppPerfTimer); assert(b);};
#define PERFTIMER_DELETE(fPerf, pPerfTimer) if (fPerf) {PerfTimerDelete(pPerfTimer);};
#define PERFTIMER_START(fPerf, pPerfTimer) if (fPerf) {Bool b = b = PerfTimerStart(pPerfTimer); assert(b);};
#define PERFTIMER_STOP(fPerf, pPerfTimer) if (fPerf) {Bool b = b = PerfTimerStop(pPerfTimer); assert(b);};
#define PERFTIMER_GETRESULTS(fPerf, pPerfTimer, pResults) \
if (fPerf) {Bool b = b = PerfTimerGetResults((pPerfTimer), (pResults)); assert(b);};
#define PERFTIMER_COPYSTARTTIME(fPerf, pDst, pSrc) \
if (fPerf) {Bool b = b = PerfTimerCopyStartTime((pDst), (pSrc)); assert(b);};
#define PERFTIMER_REPORT(fPerf, pCodec) \
if (fPerf) {OutputPerfTimerReport(pCodec);};
#endif // DISABLE_PERF_MEASUREMENT
//***************************************************************************
// Data Types
//***************************************************************************
typedef U64 PERFTIMERTIME;
typedef struct PERFTIMERRESULTS
{
PERFTIMERTIME iElapsedTime; // In nanoseconds or CPU cycles
PERFTIMERTIME iTicksPerSecond; // Number of ticks per second (clock frequency)
PERFTIMERTIME iZeroTimeIntervals; // Number of zero-time intervals.
// Presence of zero-time intervals may indicate insufficient clock precision
} PERFTIMERRESULTS;
#define NANOSECONDS_PER_SECOND 1000000000
//***************************************************************************
// Data Declarations
//***************************************************************************
typedef enum
{
CS_UNINIT,
CS_RUNNING,
CS_STOPPED,
} CLOCKSTATE;
typedef struct PERFTIMERSTATE
{
CLOCKSTATE eState;
PERFTIMERTIME iElapsedTime;
PERFTIMERTIME iPrevStartTime;
PERFTIMERTIME iZeroTimeIntervals;
} PERFTIMERSTATE;
//***************************************************************************
// Functions and Macros
//***************************************************************************
Bool PerfTimerNew(PERFTIMERSTATE **ppNewPerfTimer);
void PerfTimerDelete(PERFTIMERSTATE *pThisPerfTimer);
Bool PerfTimerStart(PERFTIMERSTATE *pThisPerfTimer);
Bool PerfTimerStop(PERFTIMERSTATE *pThisPerfTimer);
Bool PerfTimerGetResults(PERFTIMERSTATE *pThisPerfTimer,
PERFTIMERRESULTS *pPerfTimerResults);
Bool PerfTimerCopyStartTime(PERFTIMERSTATE *pDestPerfTimer,
PERFTIMERSTATE *pSrcPerfTimer);
#endif // __PERFTIMER_H_