IDirect3DDXVADevice9::QueryStatus method

Queries the read/write status of a DirectX Video Acceleration (DXVA) decoding surface.

Syntax

HRESULT QueryStatus(
   IDirect3DSurface9 *pSurface,
   DWORD             Flags
);

Parameters

pSurface

Pointer to the IDirect3DSurface9 interface of the surface to query.

Flags

Specifies the type of query to perform.

Value	Meaning
0x00	Test whether the surface is safe to use for writing.
0x01	Test whether the surface is safe to use for reading.

 

Return value

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

Requirements

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

See also

IDirect3DDXVADevice9