/// <summary>
/// Meldet, dass nun eine Verbindung zu einem anderen Endpunkt festgelegt wurde.
/// </summary>
/// <param name="connector">Ein anderer Endpunkt.</param>
/// <param name="mediaType">Die Art der Daten, die zwischen den Endpunkten ausgetauscht werden.</param>
public void ReceiveConnection(IntPtr connector, IntPtr mediaType)
{
// Free
Disconnect();
// Remember
if (connector != null)
{
Marshal.AddRef(connector);
}
m_Connected = connector;
// Clone the media type
m_ConnectType.Dispose();
m_ConnectType = new MediaType(mediaType);
// Attach to raw COM interface
m_MemPin = ComIdentity.QueryInterface(m_Connected, typeof(IMemInputPin));
// Get the delegate for the calls - dirty but we have to avoid automatic marshalling inside the graph
IntPtr comFunctionTable = Marshal.ReadIntPtr(m_MemPin);
IntPtr receiveSingle = Marshal.ReadIntPtr(comFunctionTable, 24);
IntPtr notifyAllocator = Marshal.ReadIntPtr(comFunctionTable, 16);
m_MemSink = (MediaSampleSink)Marshal.GetDelegateForFunctionPointer(receiveSingle, typeof(MediaSampleSink));
m_NotifySink = (NotifyAllocatorSink)Marshal.GetDelegateForFunctionPointer(notifyAllocator, typeof(NotifyAllocatorSink));
}
/// <summary>
/// Trennt den Endpunkt von anderen.
/// </summary>
public void Disconnect()
{
// Detach all helper
m_NotifySink = null;
m_MemSink = null;
// Release
BDAEnvironment.Release(ref m_MemPin);
BDAEnvironment.Release(ref m_Connected);
// Reset
m_ConnectType.Dispose();
m_ConnectType = new MediaType();
}
