IMFSourceReader Interface (Windows)

IMFSourceReader Interface

Implemented by the Microsoft Media Foundation source reader object.

The IMFSourceReader interface inherits the methods of the IUnknown interface.

In addition, IMFSourceReader defines the following methods.

Method	Description
Flush	Flushes one or more streams.
GetCurrentMediaType	Gets the current media type for a stream.
GetNativeMediaType	Gets a format that is supported natively by the media source.
GetPresentationAttribute	Gets an attribute from the underlying media source.
GetServiceForStream	Queries the underlying media source or decoder for an interface.
GetStreamSelection	Queries whether a stream is selected.
ReadSample	Reads the next sample from the media source.
SetCurrentMediaType	Sets the media type for a stream.
SetCurrentPosition	Seeks to a new position in the media source.
SetStreamSelection	Selects or deselects one or more streams.

To create the source reader, call one of the following functions:

Alternatively, use the IMFReadWriteClassFactory interface.