private IWMWriterAdvanced GetWriterAdvanced(IBaseFilter asfWriter)
{
int hr;
IWMWriterAdvanced pWriterAdvanced = null;
// I don't understand why we can't just QueryInterface for a IWMWriterAdvanced, but
// we just can't. So, we use an IServiceProvider
DirectShowLib.IServiceProvider pProvider = asfWriter as DirectShowLib.IServiceProvider;
if (pProvider != null)
{
object opro;
hr = pProvider.QueryService(typeof(IWMWriterAdvanced2).GUID, typeof(IWMWriterAdvanced2).GUID, out opro);
WMError.ThrowExceptionForHR(hr);
pWriterAdvanced = opro as IWMWriterAdvanced;
if (pWriterAdvanced == null)
{
throw new Exception("Can't get IWMWriterAdvanced");
}
}
return(pWriterAdvanced);
}
private void TestProxy()
{
string s;
bool b;
int i;
int c = 0;
int hr = m_ian.FindProxyForURL("http", "limegreensocks.com", out b, out s, out i, ref c);
WMError.ThrowExceptionForHR(hr);
Debug.Assert(b == false);
m_ian.RegisterProxyFailure(-1, c);
m_ian.ShutdownProxyContext(c);
}
/// <summary>
/// Retrieve the url that should be connected to from media player. From withing
/// media player user File/Open URL and entry the string returned from this function.
/// </summary>
/// <returns></returns>
public string GetURL()
{
int hr;
int iSize = 0;
// Call the function once to get the size
hr = m_pNetSink.GetHostURL(null, ref iSize);
WMError.ThrowExceptionForHR(hr);
StringBuilder sRet = new StringBuilder(iSize, iSize);
hr = m_pNetSink.GetHostURL(sRet, ref iSize);
WMError.ThrowExceptionForHR(hr);
// Trim off the trailing null
return(sRet.ToString().Substring(0, iSize - 1));
}
/// <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 RemoveAllSinks(IWMWriterAdvanced pWriterAdvanced)
{
IWMWriterSink ppSink;
int iSinkCount;
int hr = pWriterAdvanced.GetSinkCount(out iSinkCount);
WMError.ThrowExceptionForHR(hr);
for (int x = iSinkCount - 1; x >= 0; x--)
{
hr = pWriterAdvanced.GetSink(x, out ppSink);
WMError.ThrowExceptionForHR(hr);
hr = pWriterAdvanced.RemoveSink(ppSink);
WMError.ThrowExceptionForHR(hr);
}
}
private void Test()
{
string pName, pw;
bool b;
NetSourceURLCredPolicySettings ps;
m_ian.SetCredentialsEx2("foo", "bar", false, "david", "moo", true, false, true);
m_ian.GetCredentialsEx2("foo", "bar", false, true, out ps, out pName, out pw, out b);
Debug.Assert(pName == "david" && pw == "moo" && b == false);
string s;
long context = 0;
int p;
int hr = m_ian.FindProxyForURLEx2("http", "www.limegreensocks.com", "http://www.limegreensocks.com/DShow", out b, out s, out p, ref context);
WMError.ThrowExceptionForHR(hr);
m_ian.ShutdownProxyContext2(context);
}
/// <summary>
/// Queries the WM ASF Writer filter for the IWMWriterAdvanced interface.
/// </summary>
/// <returns>the IWMWriterAdvanced interface from the ASF Writer filter</returns>
protected IWMWriterAdvanced GetWriterAdvanced()
{
int hr;
IWMWriterAdvanced pWriterAdvanced = null;
DirectShowLib.IServiceProvider pProvider = _asfFilter as DirectShowLib.IServiceProvider;
if (pProvider != null)
{
object opro;
hr = pProvider.QueryService(typeof(IWMWriterAdvanced2).GUID, typeof(IWMWriterAdvanced2).GUID, out opro);
WMError.ThrowExceptionForHR(hr);
pWriterAdvanced = opro as IWMWriterAdvanced;
if (pWriterAdvanced == null)
{
throw new Exception("Can't get IWMWriterAdvanced");
}
}
return(pWriterAdvanced);
}
