anyone help to interpret what is HRESULT -1072868846? I found http://msdn.microsoft.com/en-us/library/ee719669%28VS.85%29.aspx but none of the listed ones match...
the function i'm calling is
hr = m_pReader->SetCurrentMediaType(
(DWORD)MF_SOURCE_READER_FIRST_VIDEO_STREAM,
NULL, pType);