public HResult GetStreamCount(
MFInt pcInputStreams,
MFInt pcOutputStreams
)
{
HResult hr = HResult.S_OK;
try
{
// Trace("GetStreamCount"); not interesting
lock (m_TransformLockObject)
{
// This template requires a fixed number of input and output
// streams (1 for each).
if (pcInputStreams != null)
{
pcInputStreams.Assign(1);
}
if (pcOutputStreams != null)
{
pcOutputStreams.Assign(1);
}
}
}
catch (Exception e)
{
hr = (HResult)Marshal.GetHRForException(e);
}
return(hr); // CheckReturn(hr);
}
public HResult GetStreamLimits(
MFInt pdwInputMinimum,
MFInt pdwInputMaximum,
MFInt pdwOutputMinimum,
MFInt pdwOutputMaximum
)
{
HResult hr = HResult.S_OK;
try
{
Trace("GetStreamLimits");
// This template requires a fixed number of input and output
// streams (1 for each).
lock (m_TransformLockObject)
{
// Fixed stream limits.
if (pdwInputMinimum != null)
{
pdwInputMinimum.Assign(1);
}
if (pdwInputMaximum != null)
{
pdwInputMaximum.Assign(1);
}
if (pdwOutputMinimum != null)
{
pdwOutputMinimum.Assign(1);
}
if (pdwOutputMaximum != null)
{
pdwOutputMaximum.Assign(1);
}
}
}
catch (Exception e)
{
hr = (HResult)Marshal.GetHRForException(e);
}
return(CheckReturn(hr));
}
