src/lib/platform/timeutils.h

   1 #pragma once
   2
   3 /*
   4  * boblight
   5  * Copyright (C) Bob  2009
   6  *
   7  * boblight is free software: you can redistribute it and/or modify it
   8  * under the terms of the GNU General Public License as published by the
   9  * Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * boblight is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  15  * See the GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License along
  18  * with this program.  If not, see <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include <stdint.h>
  22 #if defined(__APPLE__)
  23 #include <mach/mach_time.h>
  24 #include <CoreVideo/CVHostTime.h>
  25 #elif defined(__WINDOWS__)
  26 #include <time.h>
  27 #else
  28 #include <sys/time.h>
  29 #endif
  30
  31 namespace CEC
  32 {
  33   inline int64_t GetTimeMs()
  34   {
  35   #if defined(__APPLE__)
  36     return (int64_t) (CVGetCurrentHostTime() * 1000 / CVGetHostClockFrequency());
  37   #elif defined(__WINDOWS__)
  38     time_t rawtime;
  39     time(&rawtime);
  40
  41     LARGE_INTEGER tickPerSecond;
  42     LARGE_INTEGER tick;
  43     if (QueryPerformanceFrequency(&tickPerSecond))
  44     {
  45       QueryPerformanceCounter(&tick);
  46       return (int64_t) (tick.QuadPart / 1000.);
  47     }
  48     return -1;
  49   #else
  50     timeval time;
  51     gettimeofday(&time, NULL);
  52     return (int64_t) (time.tv_sec * 1000 + time.tv_usec / 1000);
  53   #endif
  54   }
  55
  56   template <class T>
  57   inline T GetTimeSec()
  58   {
  59     return (T)GetTimeMs() / (T)1000.0;
  60   }
  61 };