root/middleware-offline/trunk/_src/eidmw/FreeImagePTEiD/Source/LibOpenJPEG/j2k_lib.c @ 36

Revision 36, 2.5 KB (checked in by vsilva, 8 years ago)

FIX Xades encoding problems

Line 
1/*
2 * Copyright (c) 2005, Herve Drolon, FreeImage Team
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
18 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
19 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
20 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
21 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
22 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
23 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
24 * POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#ifdef _WIN32
28#include <windows.h>
29#else
30#include <sys/time.h>
31#include <sys/resource.h>
32#include <sys/times.h>
33#endif /* _WIN32 */
34#include "opj_includes.h"
35
36double opj_clock(void) {
37#ifdef _WIN32
38        /* _WIN32: use QueryPerformance (very accurate) */
39    LARGE_INTEGER freq , t ;
40    /* freq is the clock speed of the CPU */
41    QueryPerformanceFrequency(&freq) ;
42        /* cout << "freq = " << ((double) freq.QuadPart) << endl; */
43    /* t is the high resolution performance counter (see MSDN) */
44    QueryPerformanceCounter ( & t ) ;
45    return ( t.QuadPart /(double) freq.QuadPart ) ;
46#else
47        /* Unix or Linux: use resource usage */
48    struct rusage t;
49    double procTime;
50    /* (1) Get the rusage data structure at this moment (man getrusage) */
51    getrusage(0,&t);
52    /* (2) What is the elapsed time ? - CPU time = User time + System time */
53        /* (2a) Get the seconds */
54    procTime = t.ru_utime.tv_sec + t.ru_stime.tv_sec;
55    /* (2b) More precisely! Get the microseconds part ! */
56    return ( procTime + (t.ru_utime.tv_usec + t.ru_stime.tv_usec) * 1e-6 ) ;
57#endif
58}
59
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