// Constructor
public DSTranscoderBase()
{
// Create a new filter graph to work with, and ensure it's disposed when this object is
dc = new DisposalCleanup();
currentFilterGraph = (IFilterGraph)new FilterGraph();
dc.Add(currentFilterGraph);
CreationDate = DateTime.Now;
}
protected DisposalCleanup dc; // A class written by Stephen Toub to aid in cleanup / release of COM objects
// Constructor
public DSTranscoderBase()
{
// Create a new filter graph to work with, and ensure it's disposed when this object is
dc = new DisposalCleanup();
currentFilterGraph = (IFilterGraph) new FilterGraph();
dc.Add(currentFilterGraph);
CreationDate = DateTime.Now;
}
/// <summary>Saves a graph to a GRF file.</summary>
/// <param name="graph">The graph to be saved.</param>
/// <param name="path">Path to the target GRF file.</param>
private static void SaveGraphToFile(IGraphBuilder graph, string path)
{
using (DisposalCleanup dc = new DisposalCleanup())
{
// Get the graph's persist stream interface
IPersistStream ps = (IPersistStream)graph;
// Create the file to which the graph should be stored
IStorage graphStorage = StgCreateDocfile(path, (int)(STGM_CREATE | STGM_TRANSACTED | STGM_READWRITE | STGM_SHARE_EXCLUSIVE), 0);
dc.Add(graphStorage);
// Create the movie graph stream
IStream stream;
int hr = graphStorage.CreateStream("ActiveMovieGraph", (STGM)(STGM.Write | STGM.Create | STGM.ShareExclusive), 0, 0, out stream);
dc.Add(stream);
// Save out the graph and commit it
ps.Save(stream, true);
graphStorage.Commit(0);
}
}
/// <summary>Saves a graph to a GRF file.</summary>
/// <param name="graph">The graph to be saved.</param>
/// <param name="path">Path to the target GRF file.</param>
private static void SaveGraphToFile(IGraphBuilder graph, string path)
{
using (DisposalCleanup dc = new DisposalCleanup())
{
// Get the graph's persist stream interface
IPersistStream ps = (IPersistStream)graph;
// Create the file to which the graph should be stored
IStorage graphStorage = StgCreateDocfile(path, (int)(STGM_CREATE | STGM_TRANSACTED | STGM_READWRITE | STGM_SHARE_EXCLUSIVE), 0);
dc.Add(graphStorage);
// Create the movie graph stream
IStream stream;
int hr = graphStorage.CreateStream("ActiveMovieGraph", (STGM)(STGM.Write | STGM.Create | STGM.ShareExclusive), 0, 0, out stream);
dc.Add(stream);
// Save out the graph and commit it
ps.Save(stream, true);
graphStorage.Commit(0);
}
}
