nf-mfreadwrite-imfsourcereader-getcurrentmediatype.md

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NF:mfreadwrite.IMFSourceReader.GetCurrentMediaType	IMFSourceReader::GetCurrentMediaType (mfreadwrite.h)	Gets the current media type for a stream.	GetCurrentMediaType GetCurrentMediaType method [Media Foundation] GetCurrentMediaType method [Media Foundation] IMFSourceReader interface IMFSourceReader interface [Media Foundation] GetCurrentMediaType method IMFSourceReader.GetCurrentMediaType IMFSourceReader::GetCurrentMediaType MF_SOURCE_READER_FIRST_AUDIO_STREAM MF_SOURCE_READER_FIRST_VIDEO_STREAM mf.imfsourcereader_getcurrentmediatype mfreadwrite/IMFSourceReader::GetCurrentMediaType	mf\imfsourcereader_getcurrentmediatype.htm	mf	c0fe3b34-42ad-45e4-812d-679bbe01a200	12/05/2018	GetCurrentMediaType, GetCurrentMediaType method [Media Foundation], GetCurrentMediaType method [Media Foundation],IMFSourceReader interface, IMFSourceReader interface [Media Foundation],GetCurrentMediaType method, IMFSourceReader.GetCurrentMediaType, IMFSourceReader::GetCurrentMediaType, MF_SOURCE_READER_FIRST_AUDIO_STREAM, MF_SOURCE_READER_FIRST_VIDEO_STREAM, mf.imfsourcereader_getcurrentmediatype, mfreadwrite/IMFSourceReader::GetCurrentMediaType	mfreadwrite.h		Windows	Windows 7, Windows Vista and Platform Update Supplement for Windows Vista [desktop apps \| UWP apps]	Windows Server 2008 R2 [desktop apps \| UWP apps]													Windows			19H1	IMFSourceReader::GetCurrentMediaType mfreadwrite/IMFSourceReader::GetCurrentMediaType	c++	APIRef kbSyntax	COM	mfreadwrite.h	IMFSourceReader.GetCurrentMediaType

IMFSourceReader::GetCurrentMediaType

-description

Gets the current media type for a stream.

-parameters

-param dwStreamIndex [in]

The stream to query. The value can be any of the following.

Value	Meaning
0–0xFFFFFFFB	The zero-based index of a stream.
MF_SOURCE_READER_FIRST_VIDEO_STREAM 0xFFFFFFFC	The first video stream.
MF_SOURCE_READER_FIRST_AUDIO_STREAM 0xFFFFFFFD	The first audio stream.

-param ppMediaType [out]

Receives a pointer to the IMFMediaType interface. The caller must release the interface.

-returns

The method returns an HRESULT. Possible values include, but are not limited to, those in the following table.

Return code	Description
S_OK	The method succeeded.
MF_E_INVALIDSTREAMNUMBER	The dwStreamIndex parameter is invalid.

-remarks

This interface is available on Windows Vista if Platform Update Supplement for Windows Vista is installed.

-see-also

IMFSourceReader

Source Reader