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abbca718 | 1 | #pragma once |
abbca718 | 2 | /* |
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3 | * This file is part of the libCEC(R) library. |
4 | * | |
b492c10e | 5 | * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved. |
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6 | * libCEC(R) is an original work, containing original code. |
7 | * | |
8 | * libCEC(R) is a trademark of Pulse-Eight Limited. | |
abbca718 | 9 | * |
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10 | * This program is dual-licensed; you can redistribute it and/or modify |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
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13 | * (at your option) any later version. |
14 | * | |
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15 | * This program is distributed in the hope that it will be useful, |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License | |
21 | * along with this program; if not, write to the Free Software | |
22 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
23 | * | |
24 | * | |
25 | * Alternatively, you can license this library under a commercial license, | |
26 | * please contact Pulse-Eight Licensing for more information. | |
abbca718 | 27 | * |
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28 | * For more information contact: |
29 | * Pulse-Eight Licensing <license@pulse-eight.com> | |
30 | * http://www.pulse-eight.com/ | |
31 | * http://www.pulse-eight.net/ | |
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32 | */ |
33 | ||
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34 | #include "../os.h" |
35 | ||
6df2c52f | 36 | #if defined(__APPLE__) |
37 | #include <mach/mach_time.h> | |
38 | #include <CoreVideo/CVHostTime.h> | |
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39 | #elif defined(__WINDOWS__) |
40 | #include <time.h> | |
41 | #else | |
42 | #include <sys/time.h> | |
6df2c52f | 43 | #endif |
abbca718 | 44 | |
f00ff009 | 45 | namespace PLATFORM |
abbca718 | 46 | { |
f00ff009 LOK |
47 | #if defined(__WINDOWS__) |
48 | struct timezone | |
49 | { | |
50 | int tz_minuteswest; | |
51 | int tz_dsttime; | |
52 | }; | |
53 | ||
54 | #define usleep(t) Sleep((DWORD)(t)/1000) | |
55 | ||
56 | inline int gettimeofday(struct timeval *pcur_time, struct timezone *tz) | |
57 | { | |
58 | if (pcur_time == NULL) | |
59 | { | |
60 | SetLastError(EFAULT); | |
61 | return -1; | |
62 | } | |
63 | struct _timeb current; | |
64 | ||
65 | _ftime(¤t); | |
66 | ||
67 | pcur_time->tv_sec = (long) current.time; | |
68 | pcur_time->tv_usec = current.millitm * 1000L; | |
69 | if (tz) | |
70 | { | |
71 | tz->tz_minuteswest = current.timezone; /* minutes west of Greenwich */ | |
72 | tz->tz_dsttime = current.dstflag; /* type of dst correction */ | |
73 | } | |
74 | return 0; | |
75 | } | |
76 | #endif | |
77 | ||
b9187cc6 | 78 | inline int64_t GetTimeMs() |
abbca718 | 79 | { |
6df2c52f | 80 | #if defined(__APPLE__) |
fd49327a | 81 | return (int64_t) (CVGetCurrentHostTime() / (int64_t)(CVGetHostClockFrequency() * 0.001)); |
6df2c52f | 82 | #elif defined(__WINDOWS__) |
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83 | LARGE_INTEGER tickPerSecond; |
84 | LARGE_INTEGER tick; | |
85 | if (QueryPerformanceFrequency(&tickPerSecond)) | |
86 | { | |
87 | QueryPerformanceCounter(&tick); | |
3127f608 | 88 | return (int64_t) (tick.QuadPart / (tickPerSecond.QuadPart / 1000.)); |
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89 | } |
90 | return -1; | |
91 | #else | |
c4609291 BL |
92 | timespec time; |
93 | clock_gettime(CLOCK_MONOTONIC, &time); | |
94 | return (int64_t)time.tv_sec * 1000 + time.tv_nsec / 1000000; | |
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95 | #endif |
96 | } | |
abbca718 | 97 | |
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98 | template <class T> |
99 | inline T GetTimeSec() | |
100 | { | |
101 | return (T)GetTimeMs() / (T)1000.0; | |
102 | } | |
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103 | |
104 | class CTimeout | |
105 | { | |
106 | public: | |
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107 | CTimeout(void) : m_iTarget(0) {} |
108 | CTimeout(uint32_t iTimeout) { Init(iTimeout); } | |
109 | ||
110 | bool IsSet(void) const { return m_iTarget > 0; } | |
111 | void Init(uint32_t iTimeout) { m_iTarget = GetTimeMs() + iTimeout; } | |
960f33c6 | 112 | |
78850b01 | 113 | uint32_t TimeLeft(void) const |
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114 | { |
115 | uint64_t iNow = GetTimeMs(); | |
78850b01 | 116 | return (iNow > m_iTarget) ? 0 : (uint32_t)(m_iTarget - iNow); |
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117 | } |
118 | ||
119 | private: | |
120 | uint64_t m_iTarget; | |
121 | }; | |
b9187cc6 | 122 | }; |