private void TryEvent(EventParams ep)
{
int hr;
int i = 0;
IntPtr ip = IntPtr.Zero;
if (!m_bWorked)
{
DVRStreamDesc sd = new DVRStreamDesc();
ip = IntPtr.Zero;
i = 0;
try
{
hr = m_se.GetEvent(ep.EventID, ep.Param3, ref i, ip);
Debug.WriteLine(string.Format("{0} {1}", hr, i));
if (hr >= 0)
{
ip = Marshal.AllocCoTaskMem(i);
hr = m_se.GetEvent(ep.EventID, ep.Param3, ref i, ip);
Marshal.PtrToStructure(ip, sd);
m_bWorked = hr >= 0 && sd.guidFormatType == sd.MediaType.formatType && sd.guidFormatType != Guid.Empty;
}
}
finally
{
Marshal.FreeCoTaskMem(ip);
}
}
}
private void ProcEvents()
{
bool bDone = false;
int hr;
bool sp;
int i = 0;
IntPtr ip = IntPtr.Zero;
while (!bDone)
{
while (m_Q.Count == 0)
{
Thread.Sleep(1);
}
EventParams ep = (EventParams)m_Q.Dequeue();
switch (ep.ec)
{
case EventCmd.Init:
Config2();
break;
case EventCmd.Run:
m_mc.Run();
break;
case EventCmd.Event:
Debug.WriteLine(ep.EventID);
if (ep.EventID == SBEEvent.StreamDescEvent)
{
if (!m_bWorked)
{
DVRStreamDesc sd = new DVRStreamDesc();
ip = IntPtr.Zero;
sp = false;
i = 0;
hr = m_ge.GetEvent(ep.EventID, ep.Param1, ep.Param2, ep.Param3, ep.Param4, out sp, ref i, ip);
Thread.Sleep(1);
ip = Marshal.AllocCoTaskMem(i);
try
{
sp = false;
hr = m_ge.GetEvent(ep.EventID, ep.Param1, ep.Param2, ep.Param3, ep.Param4, out sp, ref i, ip);
Marshal.PtrToStructure(ip, sd);
m_bWorked = hr == 0 && sd.guidFormatType == sd.MediaType.formatType && sd.guidFormatType != Guid.Empty;
}
finally
{
Marshal.FreeCoTaskMem(ip);
}
}
break;
}
break;
case EventCmd.Exit:
bDone = true;
break;
}
m_re.Set();
}
}
