private void SetStreams(string sName)
{
// First find the mapping between the output name and
// the stream number
IWMProfile pProfile = m_pReader as IWMProfile;
int iCount;
pProfile.GetStreamCount(out iCount);
short[] sss = new short[iCount];
StreamSelection[] ss = new StreamSelection[iCount];
StringBuilder sSName;
for (short j = 0; j < iCount; j++)
{
IWMStreamConfig pConfig;
pProfile.GetStream(j, out pConfig);
try
{
pConfig.GetStreamNumber(out sss[j]);
short iSName = 0;
sSName = null;
pConfig.GetConnectionName(sSName, ref iSName);
sSName = new StringBuilder(iSName);
pConfig.GetConnectionName(sSName, ref iSName);
}
finally
{
Marshal.ReleaseComObject(pConfig);
}
// Turn the stream on or off depending on whether
// this is the one that matches the output we're
// looking for
if (sSName.ToString() == sName)
{
ss[j] = StreamSelection.On;
}
else
{
ss[j] = StreamSelection.Off;
}
}
// Use the array we've built to specify the streams we want
IWMReaderAdvanced ra = m_pReader as IWMReaderAdvanced;
ra.SetStreamsSelected((short)iCount, sss, ss);
// Learn the maximum sample size that will be send to OnSample
ra.GetMaxOutputSampleSize(m_dwAudioOutputNum, out m_MaxSampleSize);
// Have the Samples allocated using IWMReaderCallbackAdvanced::AllocateForOutput
ra.SetAllocateForOutput(m_dwAudioOutputNum, true);
}
private void TestAllocateForOutput()
{
bool b;
m_read.SetAllocateForOutput(1, true);
m_read.GetAllocateForOutput(1, out b);
Debug.Assert(b);
}