MFInitAttributesFromBlob function (mfapi.h)

Initializes the contents of an attribute store from a byte array.

Syntax

HRESULT MFInitAttributesFromBlob(
  [in] IMFAttributes *pAttributes,
  [in] const UINT8   *pBuf,
  [in] UINT          cbBufSize
);

Parameters

[in] pAttributes

Pointer to the IMFAttributes interface of the attribute store.

[in] pBuf

Pointer to the array that contains the initialization data.

[in] cbBufSize

Size of the pBuf array, in bytes.

Return value

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.
E_INVALIDARG	The buffer is not valid.

Remarks

Use this function to deserialize an attribute store that was serialized with the MFGetAttributesAsBlob function.

This function deletes any attributes that were previously stored in pAttributes.

Requirements

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

See also

Attributes and Properties

Media Foundation Functions