libs/backends/wavesaudio/wavesapi/miscutils/UMicroseconds.cpp

   1 #ifdef _WINDOWS
   2     #include "IncludeWindows.h"
   3 #endif
   4 #if defined(__linux__) || defined(__MACOS__)
   5         #include <sys/time.h>
   6 #endif
   7
   8 #include "UMicroseconds.h"
   9
  10 namespace wvNS {
  11 UMicroseconds& UMicroseconds::ReadTime()
  12 {
  13 #ifdef _WINDOWS
  14         LARGE_INTEGER Frequency, Count ;
  15
  16         QueryPerformanceFrequency(&Frequency) ;
  17         QueryPerformanceCounter(&Count);
  18         theTime = uint64_t((Count.QuadPart * 1000000.0 / Frequency.QuadPart));
  19 #endif
  20
  21 #if defined(__linux__) || defined(__MACOS__)
  22 //      Mac code replaced by posix calls, to reduce Carbon dependency.
  23         timeval buf;
  24
  25         gettimeofday(&buf,NULL);
  26
  27         // micro sec
  28         theTime = uint64_t(buf.tv_sec) * 1000*1000 + buf.tv_usec;
  29 #endif
  30
  31         return *this;
  32 }
  33 /*
  34  Removed in favor of the posix implementation.
  35 #ifdef __MACOS__
  36         uint32_t UMicroseconds::hi() {return reinterpret_cast<UnsignedWide*>(&theTime)->hi;}
  37         uint32_t UMicroseconds::lo() {return reinterpret_cast<UnsignedWide*>(&theTime)->lo;}
  38 #endif
  39 */
  40 void UMicrosecondsAccumulator::Start()
  41 {
  42         m_start_time.ReadTime();
  43 }
  44
  45 void UMicrosecondsAccumulator::Stop()
  46 {
  47         UMicroseconds stop_time;
  48
  49         m_accumulator += stop_time.GetNativeTime() - m_start_time.GetNativeTime();
  50 }
  51
  52 void UMicrosecondsAccumulator::Clear()
  53 {
  54         m_start_time = 0;
  55         m_accumulator = 0;
  56 }
  57
  58 UMicroseconds UMicrosecondsAccumulator::GetAccumulatedTime() const
  59 {
  60         return m_accumulator;
  61 }
  62
  63 UMicrosecondsAccumulator& UMicrosecondsAccumulator::operator+=(const UMicrosecondsAccumulator& inaccum_to_add)
  64 {
  65         m_accumulator += inaccum_to_add.GetAccumulatedTime();
  66         return *this;
  67 }
  68
  69 } // namespace wvNS {