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 #include <sys/time.h>
  23 #if defined(__APPLE__)
  24 #include <mach/mach_time.h>
  25 #include <CoreVideo/CVHostTime.h>
  26 #endif
  27
  28 namespace CEC
  29 {
  30   inline int64_t GetTimeMs()
  31   {
  32   #if defined(__APPLE__)
  33     return (int64_t) (CVGetCurrentHostTime() * 1000 / CVGetHostClockFrequency());
  34   #elif defined(__WINDOWS__)
  35     time_t rawtime;
  36     time(&rawtime);
  37
  38     LARGE_INTEGER tickPerSecond;
  39     LARGE_INTEGER tick;
  40     if (QueryPerformanceFrequency(&tickPerSecond))
  41     {
  42       QueryPerformanceCounter(&tick);
  43       return (int64_t) (tick.QuadPart / 1000.);
  44     }
  45     return -1;
  46   #else
  47     timeval time;
  48     gettimeofday(&time, NULL);
  49     return (int64_t) (time.tv_sec * 1000 + time.tv_usec / 1000);
  50   #endif
  51   }
  52
  53   template <class T>
  54   inline T GetTimeSec()
  55   {
  56     return (T)GetTimeMs() / (T)1000.0;
  57   }
  58 };