private void Shutdown()
{
int hr = 0;
// Remove the ROT entry
if (rot != null)
{
rot.Dispose();
}
if (graphBuilder != null)
{
// Stop DirectShow notifications
hr = (graphBuilder as IMediaEventEx).SetNotifyWindow(IntPtr.Zero, 0, IntPtr.Zero);
// Stop the graph
hr = (graphBuilder as IMediaControl).StopWhenReady();
hr = (graphBuilder as IMediaControl).Stop();
// Dispose the allocator
allocator.Dispose();
// Release DirectShow objects
Marshal.ReleaseComObject(vmr9);
Marshal.ReleaseComObject(graphBuilder);
graphBuilder = null;
FreeResources();
// Free the Managed Direct3D device
device.Dispose();
}
}
private void CloseGraph()
{
FilterState state;
if (mediaControl != null)
{
do
{
mediaControl.Stop();
mediaControl.GetState(0, out state);
} while (state != FilterState.Stopped);
mediaControl = null;
}
if (allocator != null)
{
allocator.Dispose();
allocator = null;
}
if (filter != null)
{
Marshal.ReleaseComObject(filter);
filter = null;
}
if (graph != null)
{
RemoveAllFilters();
Marshal.ReleaseComObject(graph);
graph = null;
}
}
