MFSetAttributeSize function

Sets width and height as a single 64-bit attribute value.

Syntax

HRESULT MFSetAttributeSize(
  _In_ IMFAttributes *pAttributes,
  _In_ REFGUID       guidKey,
  _In_ UINT32        unWidth,
  _In_ UINT32        unHeight
);

Parameters

pAttributes [in]

A pointer to the IMFAttributes interface of the attribute store.

guidKey [in]

A GUID that identifies the value to set. If this key already exists, the function overwrites the old value.

unWidth [in]

The width.

unHeight [in]

The height.

Return value

If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.

Remarks

Some attributes specify a width and a height as a packed UINT64 value. This function packs the width and height values into a single UINT64 value.

Requirements

See also

Attributes in Media Foundation

Media Foundation Functions

MFGetAttributeSize