Note
Access to this page requires authorization. You can try signing in or .
Access to this page requires authorization. You can try .
MFGetMFTMerit function (mfapi.h)
Gets the merit value of a hardware codec.
Syntax
HRESULT MFGetMFTMerit(
[in, out] IUnknown *pMFT,
[in] UINT32 cbVerifier,
[in] const BYTE *verifier,
[out] DWORD *merit
);
Parameters
[in, out] pMFT
A pointer to the IUnknown interface of the Media Foundation transform (MFT) that represents the codec.
[in] cbVerifier
The size, in bytes, of the verifier array.
[in] verifier
The address of a buffer that contains one of the following:
- The class identifier (CLSID) of the MFT.
- A null-terminated wide-character string that contains the symbol link for the underlying hardware device. Include the size of the terminating null in the value of cbVerifier.
[out] merit
Receives the merit value.
Return value
If this function succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
Remarks
The function fails if the MFT does not represent a hardware device with a valid Output Protection Manager (OPM) certificate.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 7 [desktop apps only] |
| Minimum supported server | Windows Server 2008 R2 [desktop apps only] |
| Target Platform | Windows |
| Header | mfapi.h |
| Library | Mfplat.lib |
| DLL | Mfplat.dll |
See also
Feedback
Was this page helpful?