public static IBaseFilter RenderAsfWriterWithProfile(DisposalCleanup dc, IGraphBuilder graph, string profileData,
string outputFile)
{
int hr = 0;
IBaseFilter asfWriterFilter = (IBaseFilter) new WMAsfWriter();
dc.Add(asfWriterFilter);
hr = graph.AddFilter(asfWriterFilter, "ASF Writer");
DsError.ThrowExceptionForHR(hr);
// Create an appropriate IWMProfile from the data
IWMProfileManager profileManager = ProfileManager.CreateInstance();
dc.Add(profileManager);
IntPtr wmProfile = profileManager.LoadProfileByData(profileData);
dc.Add(wmProfile);
// Set the profile on the writer
IConfigAsfWriter2 configWriter = (IConfigAsfWriter2)asfWriterFilter;
configWriter.ConfigureFilterUsingProfile(wmProfile);
hr = ((IFileSinkFilter)asfWriterFilter).SetFileName(outputFile, null);
DsError.ThrowExceptionForHR(hr);
return(asfWriterFilter);
}
private void Configure()
{
int hr;
m_FilterGraph = (IFilterGraph2) new FilterGraph();
m_asfw = (IConfigAsfWriter2) new WMAsfWriter();
hr = m_FilterGraph.AddFilter((IBaseFilter)m_asfw, "asdf");
DsError.ThrowExceptionForHR(hr);
}
/// <summary>Do the conversion from DVR-MS to WAV.</summary>
/// <returns>Null; ignored.</returns>
protected override object DoWork()
{
// Get the filter graph
object filterGraph = ClassId.CoCreateInstance(ClassId.FilterGraph);
DisposalCleanup.Add(filterGraph);
IGraphBuilder graph = (IGraphBuilder)filterGraph;
// Add the ASF writer and set the output name
IBaseFilter asfWriterFilter = (IBaseFilter)ClassId.CoCreateInstance(ClassId.WMAsfWriter);
DisposalCleanup.Add(asfWriterFilter);
graph.AddFilter(asfWriterFilter, null);
IFileSinkFilter sinkFilter = (IFileSinkFilter)asfWriterFilter;
sinkFilter.SetFileName(OutputFilePath, null);
// Set the profile to be used for conversion
if (_profilePath != null && _profilePath.Trim().Length > 0)
{
// Load the profile XML contents
string profileData;
using (StreamReader reader = new StreamReader(File.OpenRead(_profilePath)))
{
profileData = reader.ReadToEnd();
}
// Create an appropriate IWMProfile from the data
IWMProfileManager profileManager = ProfileManager.CreateInstance();
DisposalCleanup.Add(profileManager);
IntPtr wmProfile = profileManager.LoadProfileByData(profileData);
DisposalCleanup.Add(wmProfile);
// Set the profile on the writer
IConfigAsfWriter2 configWriter = (IConfigAsfWriter2)asfWriterFilter;
configWriter.ConfigureFilterUsingProfile(wmProfile);
}
// Add the source filter; should connect automatically through the appropriate transform filters
graph.RenderFile(InputFilePath, null);
// Run the graph to completion
RunGraph(graph, asfWriterFilter);
return(null);
}
