3 * This file is part of the libCEC(R) library.
5 * libCEC(R) is Copyright (C) 2011-2012 Pulse-Eight Limited. All rights reserved.
6 * libCEC(R) is an original work, containing original code.
8 * libCEC(R) is a trademark of Pulse-Eight Limited.
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
13 * (at your option) any later version.
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.
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.
25 * Alternatively, you can license this library under a commercial license,
26 * please contact Pulse-Eight Licensing for more information.
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/
36 #if defined(__APPLE__)
37 #include <mach/mach_time.h>
38 #include <CoreVideo/CVHostTime.h>
39 #elif defined(__WINDOWS__)
47 #if defined(__WINDOWS__)
54 #define usleep(t) Sleep((DWORD)(t)/1000)
56 inline int gettimeofday(struct timeval
*pcur_time
, struct timezone
*tz
)
58 if (pcur_time
== NULL
)
63 struct _timeb current
;
67 pcur_time
->tv_sec
= (long) current
.time
;
68 pcur_time
->tv_usec
= current
.millitm
* 1000L;
71 tz
->tz_minuteswest
= current
.timezone
; /* minutes west of Greenwich */
72 tz
->tz_dsttime
= current
.dstflag
; /* type of dst correction */
78 inline int64_t GetTimeMs()
80 #if defined(__APPLE__)
81 return (int64_t) (CVGetCurrentHostTime() / (int64_t)(CVGetHostClockFrequency() * 0.001));
82 #elif defined(__WINDOWS__)
83 LARGE_INTEGER tickPerSecond
;
85 if (QueryPerformanceFrequency(&tickPerSecond
))
87 QueryPerformanceCounter(&tick
);
88 return (int64_t) (tick
.QuadPart
/ (tickPerSecond
.QuadPart
/ 1000.));
93 clock_gettime(CLOCK_MONOTONIC
, &time
);
94 return (int64_t)time
.tv_sec
* 1000 + time
.tv_nsec
/ 1000000;
101 return (T
)GetTimeMs() / (T
)1000.0;
107 CTimeout(void) : m_iTarget(0) {}
108 CTimeout(uint32_t iTimeout
) { Init(iTimeout
); }
110 bool IsSet(void) const { return m_iTarget
> 0; }
111 void Init(uint32_t iTimeout
) { m_iTarget
= GetTimeMs() + iTimeout
; }
113 uint32_t TimeLeft(void) const
115 uint64_t iNow
= GetTimeMs();
116 return (iNow
> m_iTarget
) ? 0 : (uint32_t)(m_iTarget
- iNow
);