1 files changed, 46 insertions, 0 deletions
diff --git a/xbmc/windowing/osx/VideoSyncOsx.h b/xbmc/windowing/osx/VideoSyncOsx.h
new file mode 100644
index 0000000..b3ba145
--- /dev/null
+++ b/xbmc/windowing/osx/VideoSyncOsx.h
@@ -0,0 +1,46 @@
+/*
+ *  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.
+ */
+
+#pragma once
+
+#include "guilib/DispResource.h"
+#include "threads/Event.h"
+#include "windowing/VideoSync.h"
+
+class CVideoSyncOsx : public CVideoSync, IDispResource
+{
+public:
+  CVideoSyncOsx(void* clock)
+    : CVideoSync(clock), m_LastVBlankTime(0), m_displayLost(false), m_displayReset(false)
+  {
+  }
+
+  // CVideoSync interface
+  bool Setup(PUPDATECLOCK func) override;
+  void Run(CEvent& stopEvent) override;
+  void Cleanup() override;
+  float GetFps() override;
+  void RefreshChanged() override;
+
+  // IDispResource interface
+  void OnLostDisplay() override;
+  void OnResetDisplay() override;
+
+  // used in the displaylink callback
+  void VblankHandler(int64_t nowtime, uint32_t timebase);
+
+private:
+  virtual bool InitDisplayLink();
+  virtual void DeinitDisplayLink();
+
+  int64_t m_LastVBlankTime;  //timestamp of the last vblank, used for calculating how many vblanks happened
+  volatile bool m_displayLost;
+  volatile bool m_displayReset;
+  CEvent m_lostEvent;
+};
+