IMFSourceReader interface (mfreadwrite.h)

Implemented by the Microsoft Media Foundation source reader object.

Inheritance

The IMFSourceReader interface inherits from the IUnknown interface. IMFSourceReader also has these types of members:

Methods

The IMFSourceReader interface has these methods.

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

Remarks

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

• MFCreateSourceReaderFromByteStream
• MFCreateSourceReaderFromMediaSource
• MFCreateSourceReaderFromURL

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.

Requirements

Requirement	Value
Minimum supported client	Windows 7, Windows Vista and Platform Update Supplement for Windows Vista [desktop apps | UWP apps]
Minimum supported server	Windows Server 2008 R2 [desktop apps | UWP apps]
Target Platform	Windows
Header	mfreadwrite.h

See also

Media Foundation Interfaces

Source Reader