// FIXME this needs some work, to be completely in-tune with needs.
public void MediaEventLoop(Action <double> UpdateProgress)
{
mediaEvent.CancelDefaultHandling(EventCode.StateChange);
//mediaEvent.CancelDefaultHandling(EventCode.Starvation);
while (stopMediaEventLoop == false)
{
try
{
EventCode ev;
IntPtr p1, p2;
if (mediaEvent.GetEvent(out ev, out p1, out p2, 0) == 0)
{
switch (ev)
{
case EventCode.Complete:
Stopping.Fire(this, null);
if (UpdateProgress != null)
{
UpdateProgress(source.PercentageCompleted);
}
return;
case EventCode.StateChange:
FilterState state = (FilterState)p1.ToInt32();
if (state == FilterState.Stopped || state == FilterState.Paused)
{
Stopping.Fire(this, null);
}
else if (state == FilterState.Running)
{
Starting.Fire(this, null);
}
break;
// FIXME add abort and stuff, and propagate this.
}
// Trace.WriteLine(ev.ToString() + " " + p1.ToInt32());
mediaEvent.FreeEventParams(ev, p1, p2);
}
else
{
if (UpdateProgress != null)
{
UpdateProgress(source.PercentageCompleted);
}
// FiXME use AutoResetEvent
Thread.Sleep(100);
}
}
catch (Exception e)
{
Trace.WriteLine("MediaEventLoop: " + e);
}
}
}
/// <summary>
/// Test all methods
/// </summary>
public void DoTests()
{
int hr;
IntPtr hEvent;
IntPtr p1, p2;
EventCode ec;
BuildGraph();
hr = m_mediaEvent.GetEventHandle(out hEvent);
DsError.ThrowExceptionForHR(hr);
ManualResetEvent mre = new ManualResetEvent(false);
mre.SafeWaitHandle = new Microsoft.Win32.SafeHandles.SafeWaitHandle(hEvent, true);
// Should get an event before this
bool b = mre.WaitOne(5000, true);
Debug.Assert(b, "GetEventHandle");
// I don't know what event I may get, so I don't know how to check it
hr = m_mediaEvent.GetEvent(out ec, out p1, out p2, 0);
DsError.ThrowExceptionForHR(hr);
hr = m_mediaEvent.FreeEventParams(ec, p1, p2);
DsError.ThrowExceptionForHR(hr);
hr = m_mediaEvent.CancelDefaultHandling(EventCode.Repaint);
DsError.ThrowExceptionForHR(hr);
hr = m_mediaEvent.RestoreDefaultHandling(EventCode.Repaint);
DsError.ThrowExceptionForHR(hr);
// The clip is 4 seconds long, so timeout in 5
hr = m_mediaEvent.WaitForCompletion(5000, out ec);
DsError.ThrowExceptionForHR(hr);
// The video should have successfully played
Debug.Assert(ec == EventCode.Complete, "WaitForCompletion");
}