IRTPDemuxFilter ::UnmapPin

[This is preliminary documentation and subject to change.]

This method may be used to unmap any stream that is currently mapped to a particular pin.

HRESULT UnmapPin(
  IPin *pIPin,
  DWORD *pdwSSRC
);
 

Parameters

pIPin
The pin to unmap.
pdwSSRC
Upon success, the SSRC that had previously been mapped to this pin is placed in pdwSSRC as a return value. Upon failure, this value is set to NULL.

Return Values

E_HANDLE
Invalid pIPin parameter.
E_POINTER
Invalid pdwSSRC parameter.
E_UNEXPECTED
The pin in question is not currently mapped to any stream.
NOERROR
Pin is successfully unmapped.