/// <summary>
/// Releases the capture device
/// </summary>
private void Release()
{
// Stop the thread
_worker = null;
// Clear the event
if (_stopSignal != null)
{
_stopSignal.Close();
_stopSignal = null;
}
if (_graph != null)
{
_graph.Abort();
_graph.Disconnect(_sourceObject.GetPin(PinDirection.Output, 0));
_graph.Disconnect(_grabberObject.GetPin(PinDirection.Input, 0));
_graph.RemoveFilter(_sourceObject);
_graph.RemoveFilter(_grabberObject);
}
// Clean up
_graph = null;
_sourceObject = null;
_grabberObject = null;
_grabber = null;
_capGrabber = null;
_control = null;
}
public void Abort()
{
lock (_graphStateLock)
{
if (_graphBuilder != null)
{
_graphBuilder.Abort();
}
}
}
/// <summary>
/// Attempts to abort the graph
/// </summary>
public virtual void Abort()
{
#if DEBUG_SHOW_STATECALLS
Debug.WriteLine(this.GetType().ToString() + ".Abort()");
#endif
lock (graphStateLock)
{
if (graph != null)
{
graph.Abort();
}
}
}
private void DisposeGraph()
{
if (mediaEvent != null)
{
mediaEvent.SetNotifyWindow(IntPtr.Zero, 0, IntPtr.Zero);
mediaEvent = null;
}
if (mediaSeeking != null)
{
mediaSeeking = null;
}
if (mediaControl != null)
{
mediaControl.Stop();
mediaControl = null;
}
if (graphBuilder != null)
{
graphBuilder.Abort();
int a = Marshal.ReleaseComObject(graphBuilder);
graphBuilder = null;
}
}
