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IVMRDeinterlaceControl9::GetDeinterlaceMode method

The GetDeinterlaceMode method retrieves the deinterlacing mode for the specified video stream.

Syntax


HRESULT GetDeinterlaceMode(
  [in]   DWORD dwStreamID,
  [out]  GUID *lpDeinterlaceMode
);

Parameters

dwStreamID [in]

Index of the video stream to check.

lpDeinterlaceMode [out]

Pointer to a variable that receives a GUID. The GUID identifies the deinterlacing mode currently in use. If no deinterlacing mode was set, or the pin corresponding to the stream ID is not connected to an interlaced stream, the value is GUID_NULL.

Return value

Returns an HRESULT value. Possible values include the following:

Return codeDescription
E_INVALIDARG

Invalid stream number.

E_POINTER

NULL pointer argument.

S_FALSE

No deinterlacing mode was set.

S_OK

Success.

VFW_E_VMR_NOT_IN_MIXER_MODE

The VMR is not in mixer mode.

 

Remarks

The VMR may not be able to use the requested mode, in which case it falls back to another deinterlace mode, as specified in the IVMRDeinterlaceControl9::SetDeinterlacePrefs method.

Requirements

Minimum supported client

Windows XP with SP2 [desktop apps only]

Minimum supported server

Windows Server 2003 R2 [desktop apps only]

Header

Vmr9.h

Library

Strmiids.lib

See also

Error and Success Codes
Setting Deinterlace Preferences
Using the Video Mixing Renderer
Video Mixing Renderer Filter 9
IVMRDeinterlaceControl9 Interface

 

 

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