MFInitMediaTypeFromMPEG1VideoInfo function (mfapi.h)

Initializes a media type from a DirectShow MPEG1VIDEOINFO structure.

Syntax

HRESULT MFInitMediaTypeFromMPEG1VideoInfo(
  IMFMediaType         *pMFType,
  const MPEG1VIDEOINFO *pMP1VI,
  UINT32               cbBufSize,
  const GUID           *pSubtype
);

Parameters

pMFType

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

pMP1VI

Pointer to a MPEG1VIDEOINFO structure that describes the media type. The caller must fill in the structure members before calling this function.

cbBufSize

Size of the MPEG1VIDEOINFO structure, in bytes.

pSubtype

Pointer to a subtype GUID. This parameter can be NULL. If the subtype GUID is specified, the function uses it to set the media subtype. Otherwise, the function attempts to deduce the subtype from the biCompression field contained in the MPEG1VIDEOINFO structure.

Return value

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

Requirements

See also

Media Foundation Functions

Media Type Conversions

Media Types