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Diffstat (limited to '')
-rw-r--r-- | libraries/openjpeg-libsl/libopenjpeg/j2k_lib.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/libraries/openjpeg-libsl/libopenjpeg/j2k_lib.c b/libraries/openjpeg-libsl/libopenjpeg/j2k_lib.c new file mode 100644 index 0000000..69444a7 --- /dev/null +++ b/libraries/openjpeg-libsl/libopenjpeg/j2k_lib.c | |||
@@ -0,0 +1,76 @@ | |||
1 | /* | ||
2 | * Copyright (c) 2005, Hervé 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 | |||
36 | double opj_clock() { | ||
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 | |||
60 | void* opj_malloc( size_t size ) { | ||
61 | void *memblock = malloc(size); | ||
62 | if(memblock) { | ||
63 | memset(memblock, 0, size); | ||
64 | } | ||
65 | return memblock; | ||
66 | } | ||
67 | |||
68 | void* opj_realloc( void *memblock, size_t size ) { | ||
69 | return realloc(memblock, size); | ||
70 | } | ||
71 | |||
72 | void opj_free( void *memblock ) { | ||
73 | free(memblock); | ||
74 | } | ||
75 | |||
76 | |||