Implemented by the Microsoft Media Foundation source reader object.
interface IMFSourceReader : public IUnknown
To create the source reader, call one of the following functions:
Alternatively, use the IMFReadWriteClassFactory interface.
This interface is available on Windows Vista if Platform Update Supplement for Windows Vista is installed.
In Windows 8, this interface is extended with IMFSourceReaderEx.
Header: Declared in mfreadwrite.h.