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IDirectXVideoProcessor::GetCreationParameters method (dxva2api.h)

  • Article

Retrieves the parameters that were used to create this device.

Syntax

HRESULT GetCreationParameters(
  [out] GUID            *pDeviceGuid,
  [out] DXVA2_VideoDesc *pVideoDesc,
  [out] D3DFORMAT       *pRenderTargetFormat,
  [out] UINT            *pMaxNumSubStreams
);

Parameters

[out] pDeviceGuid

Receives the device GUID. This parameter can be NULL.

[out] pVideoDesc

Pointer to a DXVA2_VideoDesc structure allocated by the caller. The method fills the structure with a description of the video format. This parameter can be NULL.

[out] pRenderTargetFormat

Receives the render target format, specified as a D3DFORMAT value. For more information, see the Direct3D documentation. This parameter can be NULL.

[out] pMaxNumSubStreams

Receives the maximum number of streams supported by the device. This parameter can be NULL.

Return value

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

Return code Description
S_OK
 The method succeeded.
E_INVALIDARG
 Invalid argument. At least one parameter must be non-NULL.

Remarks

You can set any parameter to NULL if you are not interested in the result. At least one parameter must be non-NULL.

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header dxva2api.h

See also

DXVA Video Processing

IDirectXVideoProcessor