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IVMRMixerControl9::GetMixingPrefs method (vmr9.h)

[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

The GetMixingPrefs method retrieves the mixing preferences for the stream.

Syntax

HRESULT GetMixingPrefs(
  [out] DWORD *pdwMixerPrefs
);

Parameters

[out] pdwMixerPrefs

Address of a variable that receives a bitwise OR combination of VMR9MixerPrefs flags.

Return value

The method returns an HRESULT. Possible values include those in the following table.

Return code Description
S_OK
The method succeeded.

Remarks

Include DShow.h and D3d9.h before Vmr9.h.

Requirements

Requirement Value
Minimum supported client Windows XP with SP2 [desktop apps only]
Minimum supported server Windows Server 2003 R2 [desktop apps only]
Target Platform Windows
Header vmr9.h
Library Strmiids.lib

See also

IVMRMixerControl9 Interface

Using the Video Mixing Renderer