MFInitMediaTypeFromWaveFormatEx function (mfapi.h)

Initializes a media type from a WAVEFORMATEX structure.

Syntax

HRESULT MFInitMediaTypeFromWaveFormatEx(
  IMFMediaType       *pMFType,
  const WAVEFORMATEX *pWaveFormat,
  UINT32             cbBufSize
);

pMFType

Pointer to the IMFMediaType interface of the media type to initialize. To create the uninitialized media type object, call MFCreateMediaType.

pWaveFormat

Pointer to a WAVEFORMATEX structure that describes the media type. The caller must fill in the structure members before calling this function.

cbBufSize

Size of the WAVEFORMATEX structure, in bytes.

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

Return code	Description
S_OK	The function succeeded.

Requirement	Value
Minimum supported client	Windows Vista [desktop apps \| UWP apps]
Minimum supported server	Windows Server 2008 [desktop apps \| UWP apps]
Target Platform	Windows
Header	mfapi.h
Library	Mfplat.lib
DLL	Mfplat.dll