| Microsoft DirectX 9.0 |
The GetUncompSurfacesInfo method retrieves the decompressed buffer information for a given video accelerator GUID.
Syntax
HRESULT GetUncompSurfacesInfo(
const GUID *pGuid,
LPAMVAUncompBufferInfo pUncompBufferInfo
);
Parameters
pGuid
[in] Pointer to a GUID identifying the video accelerator for which information is returned.
pUncompBufferInfo
[in, out] Pointer to a AMVAUncompBufferInfo structure containing uncompressed surface information.
Return Values
Returns an HRESULT value that depends on the implementation of the interface. HRESULT can include one of the following standard constants, or other values not listed.
| Return code | Description |
| E_FAIL | Failure. |
| E_INVALIDARG | Argument is invalid. |
| E_NOTIMPL | Method is not supported. |
| E_POINTER | Null pointer argument. |
| S_OK | Success. |
Remarks
Calling this method returns the video decoder's requirements for the minimum and maximum number of surfaces, as well as the pixel format. This method provides information necessary to allocate uncompressed data buffers.
See Also