/// <summary>
/// Prepare the network writer.
/// </summary>
/// <param name="port"></param>
/// <param name="maxClients"></param>
/// <returns></returns>
public bool ConfigNet(uint port, uint maxClients)
{
if ((writerAdvanced == null) || (netSink == null))
{
Debug.WriteLine("WriterAdvanced and NetSink must exist before calling ConfigNet");
return(false);
}
try
{
netSink.SetNetworkProtocol(WMT_NET_PROTOCOL.WMT_PROTOCOL_HTTP);
netSink.Open(ref port);
uint size = 0;
netSink.GetHostURL(IntPtr.Zero, ref size);
IntPtr buf = Marshal.AllocCoTaskMem((int)(2 * (size + 1)));
netSink.GetHostURL(buf, ref size);
String url = Marshal.PtrToStringAuto(buf);
Marshal.FreeCoTaskMem(buf);
Debug.WriteLine("Connect to:" + url);
netSink.SetMaximumClients(maxClients);
writerAdvanced.AddSink(netSink);
}
catch (Exception e)
{
eventLog.WriteEntry("Failed to configure network: " + e.ToString(), EventLogEntryType.Error, 1000);
Debug.WriteLine("Failed to configure network: " + e.ToString());
return(false);
}
return(true);
}
protected void OpenSink()
{
AppLogger.Message("ASFNetSink -- OpenSink");
//extract the port number from the SinkURL
Uri uri = new Uri(this.ClientURL);
int portNum = uri.Port;
// Done configuring the network sink, open it
_netSink.Open(ref portNum);
}
/// <summary>
/// Get and configure the IWMWriterAdvanced
/// </summary>
/// <param name="asfWriter">IBaseFilter from which to get the IWMWriterAdvanced</param>
void DoAnet(IBaseFilter asfWriter)
{
int hr;
int dwPortNum = PortNum;
// Get the IWMWriterAdvanced
IWMWriterAdvanced pWriterAdvanced = GetWriterAdvanced(asfWriter);
try
{
// Remove all the sinks from the writer
RemoveAllSinks(pWriterAdvanced);
// Say we are using live data
hr = pWriterAdvanced.SetLiveSource(true);
WMError.ThrowExceptionForHR(hr);
// Create a network sink
hr = WMUtils.WMCreateWriterNetworkSink(out m_pNetSink);
WMError.ThrowExceptionForHR(hr);
// Configure the network sink
hr = m_pNetSink.SetNetworkProtocol(NetProtocol.HTTP);
WMError.ThrowExceptionForHR(hr);
// Configure the network sink
hr = m_pNetSink.SetMaximumClients(MaxClients);
WMError.ThrowExceptionForHR(hr);
// Done configuring the network sink, open it
hr = m_pNetSink.Open(ref dwPortNum);
WMError.ThrowExceptionForHR(hr);
// Add the network sink to the IWMWriterAdvanced
hr = pWriterAdvanced.AddSink(m_pNetSink as IWMWriterSink);
WMError.ThrowExceptionForHR(hr);
}
finally
{
if (pWriterAdvanced != null)
{
Marshal.ReleaseComObject(pWriterAdvanced);
pWriterAdvanced = null;
}
}
}
private void TestMisc()
{
StringBuilder sb = null;
int iLen = 0;
int iPort = 1011;
m_pSink.Open(ref iPort);
m_pSink.GetHostURL(sb, ref iLen);
sb = new StringBuilder(iLen);
m_pSink.GetHostURL(sb, ref iLen);
Debug.Assert(sb.ToString().Contains(iPort.ToString()));
m_pSink.Disconnect();
m_pSink.Close();
}
/// <summary>
/// Adds a IWMWriterNetworkSink to the current AsfWriter output filter
/// </summary>
/// <param name="streamPort">The port out of which to stream the transcoded file</param>
private void AddStreamSinkToCurrentOutputFilter(int streamPort)
{
int hr;
DirectShowLib.IServiceProvider pServiceProvider; // http://msdn.microsoft.com/en-us/library/dd390985%28VS.85%29.aspx
WMAsfWriter asfwriter = (WMAsfWriter)currentOutputFilter;
pServiceProvider = (DirectShowLib.IServiceProvider)asfwriter;
// Get access to WMwriterAdvanced2 object using pServiceProvider (poss not futureproof) (see http://groups.google.com/group/microsoft.public.win32.programmer.directx.video/browse_thread/thread/36b154d41cb76ffd/c571d6ef56de11af?#c571d6ef56de11af )
DsGuid dsgWMwriterAdvanced2 = DsGuid.FromGuid(new Guid(GUIDs.IWMWriterAdvanced2));
IWMWriterAdvanced2 WMWriterAdvanced2 = null;
object o = null;
hr = pServiceProvider.QueryService(dsgWMwriterAdvanced2, dsgWMwriterAdvanced2, out o); // FAILS IN A STA THREAD
DsError.ThrowExceptionForHR(hr);
WMWriterAdvanced2 = (IWMWriterAdvanced2)o;
IWMWriterNetworkSink nsink;
WMUtils.WMCreateWriterNetworkSink(out nsink);
NetworkSink = nsink;
dc.Add(nsink);
nsink.SetMaximumClients(1);
nsink.SetNetworkProtocol(NetProtocol.HTTP);
NetworkSink.Open(ref streamPort); // Will throw exception if port is in use
int nSinks;
WMWriterAdvanced2.GetSinkCount(out nSinks);
if (nSinks > 0)
{
IWMWriterSink pSink = null;
WMWriterAdvanced2.GetSink(0, out pSink);
if (pSink != null)
{
WMWriterAdvanced2.RemoveSink(pSink);
}
Marshal.ReleaseComObject(pSink); pSink = null;
}
WMWriterAdvanced2.AddSink(NetworkSink);
}
private void Config()
{
WMUtils.WMCreateWriter(IntPtr.Zero, out writer);
writer.SetProfileByID(g);
WMUtils.WMCreateWriterNetworkSink(out sink);
m_clientConns = (IWMClientConnections)sink;
IWMWriterAdvanced advWriter = (IWMWriterAdvanced)writer;
advWriter.AddSink(sink);
sink.Open(ref port);
int urlLen = 0;
sink.GetHostURL(null, ref urlLen);
sbUrl = new StringBuilder(urlLen);
sink.GetHostURL(sbUrl, ref urlLen);
writer.BeginWriting();
WMUtils.WMCreateReader(IntPtr.Zero, Rights.Playback, out reader);
reader.Open(sbUrl.ToString(), this, new IntPtr(123));
lock (m_openLock)
{
Monitor.Wait(m_openLock);
}
reader.Start(0, 0, 1.0f, new IntPtr(321));
lock (m_openLock)
{
Monitor.Wait(m_openLock);
}
}
/// <summary>
/// Adds a IWMWriterNetworkSink to the current AsfWriter output filter
/// </summary>
/// <param name="streamPort">The port out of which to stream the transcoded file</param>
private void AddStreamSinkToCurrentOutputFilter(int streamPort)
{
int hr;
DirectShowLib.IServiceProvider pServiceProvider; // http://msdn.microsoft.com/en-us/library/dd390985%28VS.85%29.aspx
WMAsfWriter asfwriter = (WMAsfWriter)currentOutputFilter;
pServiceProvider = (DirectShowLib.IServiceProvider)asfwriter;
// Get access to WMwriterAdvanced2 object using pServiceProvider (poss not futureproof) (see http://groups.google.com/group/microsoft.public.win32.programmer.directx.video/browse_thread/thread/36b154d41cb76ffd/c571d6ef56de11af?#c571d6ef56de11af )
DsGuid dsgWMwriterAdvanced2 = DsGuid.FromGuid(new Guid(GUIDs.IWMWriterAdvanced2));
IWMWriterAdvanced2 WMWriterAdvanced2 = null;
object o = null;
hr = pServiceProvider.QueryService(dsgWMwriterAdvanced2, dsgWMwriterAdvanced2, out o); // FAILS IN A STA THREAD
DsError.ThrowExceptionForHR(hr);
WMWriterAdvanced2 = (IWMWriterAdvanced2)o;
IWMWriterNetworkSink nsink;
WMUtils.WMCreateWriterNetworkSink(out nsink);
NetworkSink = nsink;
dc.Add(nsink);
nsink.SetMaximumClients(1);
nsink.SetNetworkProtocol(NetProtocol.HTTP);
NetworkSink.Open(ref streamPort); // Will throw exception if port is in use
int nSinks;
WMWriterAdvanced2.GetSinkCount(out nSinks);
if (nSinks > 0)
{
IWMWriterSink pSink = null;
WMWriterAdvanced2.GetSink(0, out pSink);
if (pSink != null)
WMWriterAdvanced2.RemoveSink(pSink);
Marshal.ReleaseComObject(pSink); pSink = null;
}
WMWriterAdvanced2.AddSink(NetworkSink);
}