1 files changed, 83 insertions, 0 deletions
diff --git a/xbmc/windowing/X11/VideoSyncOML.cpp b/xbmc/windowing/X11/VideoSyncOML.cpp
new file mode 100644
index 0000000..2dc91fe
--- /dev/null
+++ b/xbmc/windowing/X11/VideoSyncOML.cpp
@@ -0,0 +1,83 @@
+/*
+ *  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 "VideoSyncOML.h"
+
+#include "utils/TimeUtils.h"
+#include "utils/log.h"
+#include "windowing/GraphicContext.h"
+#include "windowing/X11/WinSystemX11GLContext.h"
+
+#include <unistd.h>
+
+using namespace KODI::WINDOWING::X11;
+
+bool CVideoSyncOML::Setup(PUPDATECLOCK func)
+{
+  CLog::Log(LOGDEBUG, "CVideoSyncOML::{} - setting up OML", __FUNCTION__);
+
+  UpdateClock = func;
+
+  m_abort = false;
+
+  static_cast<CWinSystemX11*>(&m_winSystem)->Register(this);
+
+  return true;
+}
+
+void CVideoSyncOML::Run(CEvent& stopEvent)
+{
+  uint64_t interval, timeSinceVblank, msc;
+
+  timeSinceVblank = m_winSystem.GetVblankTiming(msc, interval);
+
+  while (!stopEvent.Signaled() && !m_abort)
+  {
+    if (interval == 0)
+    {
+      usleep(10000);
+    }
+    else
+    {
+      usleep(interval - timeSinceVblank + 1000);
+    }
+    uint64_t newMsc;
+    timeSinceVblank = m_winSystem.GetVblankTiming(newMsc, interval);
+
+    if (newMsc == msc)
+    {
+      newMsc++;
+    }
+    else if (newMsc < msc)
+    {
+      timeSinceVblank = interval;
+      continue;
+    }
+
+    uint64_t now = CurrentHostCounter();
+    UpdateClock(newMsc - msc, now, m_refClock);
+    msc = newMsc;
+  }
+}
+
+void CVideoSyncOML::Cleanup()
+{
+  m_winSystem.Unregister(this);
+}
+
+void CVideoSyncOML::OnResetDisplay()
+{
+  m_abort = true;
+}
+
+float CVideoSyncOML::GetFps()
+{
+  m_fps = m_winSystem.GetGfxContext().GetFPS();
+  return m_fps;
+}
+