/// <summary>
/// Gibt alle internen Strukturen frei.
/// </summary>
private void DestroyGraph()
{
// Get rid of clock
DisposeClock();
// Try stop and delete all filters
if (null != m_Graph)
{
try
{
// Stop self
GraphAsFilter.Stop();
}
catch
{
}
}
// Filters first
foreach (var filter in m_Filters.Values)
{
filter.Dispose();
}
// Clear list
m_Filters.Clear();
// Forward
using (m_Register)
m_Register = null;
// Must cleanup COM references
BDAEnvironment.Release(ref m_Graph);
// Must cleanup file
using (m_LogFile)
m_LogFile = null;
// Clear helpers and reset flags
m_VideoWindowCreated = false;
m_VideoPID = 0;
m_AudioPID = 0;
// TS Filter
using (InjectorFilter)
InjectorFilter = null;
}
/// <summary>
/// Initialisiert die Filterstruktur.
/// </summary>
public void CreateGraph()
{
// Cleanup
DestroyGraph();
// Check log
var logFile = BDASettings.BDALogPath;
if (logFile != null)
{
m_LogFile = new FileStream(logFile.FullName, FileMode.Create, FileAccess.Write, FileShare.Read);
}
// Create new graph builder
m_Graph = (IGraphBuilder)Activator.CreateInstance(Type.GetTypeFromCLSID(BDAEnvironment.GraphBuilderClassIdentifier));
// Enable logging
if (m_LogFile != null)
{
m_Graph.SetLogFile(m_LogFile.SafeFileHandle);
}
// See if we should register the graph
m_Register = BDASettings.RegisterBDAGRaph(DirectShowObject, false);
// Create filter
InjectorFilter = new TSFilter(this);
try
{
// Check for statistics
InjectorFilter.EnableStatistics = BDASettings.GenerateTSStatistics;
// Register in graph
AddFilter(Filter_Injector, InjectorFilter);
}
catch
{
// Cleanup
InjectorFilter.Dispose();
// Forward
throw;
}
}
