1 files changed, 108 insertions, 0 deletions
diff --git a/xbmc/utils/TimeUtils.cpp b/xbmc/utils/TimeUtils.cpp
new file mode 100644
index 0000000..95c5069
--- /dev/null
+++ b/xbmc/utils/TimeUtils.cpp
@@ -0,0 +1,108 @@
+/*
+ *  Copyright (C) 2005-2018 Team Kodi
+ *  This file is part of Kodi - https://kodi.tv
+ *
+ *  SPDX-License-Identifier: GPL-2.0-or-later
+ *  See LICENSES/README.md for more information.
+ */
+
+#include "TimeUtils.h"
+#include "XBDateTime.h"
+#include "windowing/GraphicContext.h"
+
+#if   defined(TARGET_DARWIN)
+#include <mach/mach_time.h>
+#include <CoreVideo/CVHostTime.h>
+#elif defined(TARGET_WINDOWS)
+#include <windows.h>
+#else
+#include <time.h>
+#endif
+
+namespace
+{
+auto startTime = std::chrono::steady_clock::now();
+}
+
+int64_t CurrentHostCounter(void)
+{
+#if defined(TARGET_DARWIN)
+  return( (int64_t)CVGetCurrentHostTime() );
+#elif defined(TARGET_WINDOWS)
+  LARGE_INTEGER PerformanceCount;
+  QueryPerformanceCounter(&PerformanceCount);
+  return( (int64_t)PerformanceCount.QuadPart );
+#else
+  struct timespec now;
+#if defined(CLOCK_MONOTONIC_RAW) && !defined(TARGET_ANDROID)
+  clock_gettime(CLOCK_MONOTONIC_RAW, &now);
+#else
+  clock_gettime(CLOCK_MONOTONIC, &now);
+#endif // CLOCK_MONOTONIC_RAW && !TARGET_ANDROID
+  return( ((int64_t)now.tv_sec * 1000000000L) + now.tv_nsec );
+#endif
+}
+
+int64_t CurrentHostFrequency(void)
+{
+#if defined(TARGET_DARWIN)
+  return( (int64_t)CVGetHostClockFrequency() );
+#elif defined(TARGET_WINDOWS)
+  LARGE_INTEGER Frequency;
+  QueryPerformanceFrequency(&Frequency);
+  return( (int64_t)Frequency.QuadPart );
+#else
+  return( (int64_t)1000000000L );
+#endif
+}
+
+unsigned int CTimeUtils::frameTime = 0;
+
+void CTimeUtils::UpdateFrameTime(bool flip)
+{
+  auto now = std::chrono::steady_clock::now();
+  auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(now - startTime);
+
+  unsigned int currentTime = duration.count();
+  unsigned int last = frameTime;
+  while (frameTime < currentTime)
+  {
+    frameTime += (unsigned int)(1000 / CServiceBroker::GetWinSystem()->GetGfxContext().GetFPS());
+    // observe wrap around
+    if (frameTime < last)
+      break;
+  }
+}
+
+unsigned int CTimeUtils::GetFrameTime()
+{
+  return frameTime;
+}
+
+CDateTime CTimeUtils::GetLocalTime(time_t time)
+{
+  CDateTime result;
+
+  tm *local;
+#ifdef HAVE_LOCALTIME_R
+  tm res = {};
+  local = localtime_r(&time, &res); // Conversion to local time
+#else
+  local = localtime(&time); // Conversion to local time
+#endif
+  /*
+   * Microsoft implementation of localtime returns NULL if on or before epoch.
+   * http://msdn.microsoft.com/en-us/library/bf12f0hc(VS.80).aspx
+   */
+  if (local)
+    result = *local;
+  else
+    result = time; // Use the original time as close enough.
+
+  return result;
+}
+
+std::string CTimeUtils::WithoutSeconds(const std::string& hhmmss)
+{
+  return hhmmss.substr(0, 5);
+}