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IMFVideoMixerControl::GetStreamZOrder method (evr.h)

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Retrieves the z-order of a video stream.

Syntax

HRESULT GetStreamZOrder(
  [in]  DWORD dwStreamID,
  [out] DWORD *pdwZ
);

Parameters

[in] dwStreamID

Identifier of the stream. For the EVR media sink, the stream identifier is defined when the IMFMediaSink::AddStreamSink method is called. For the DirectShow EVR filter, the stream identifier corresponds to the pin index. The reference stream is always stream 0.

[out] pdwZ

Receives the z-order value.

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.
MF_E_INVALIDSTREAMNUMBER
 Invalid stream identifier.

Requirements

   
Minimum supported client Windows Vista [desktop apps only]
Minimum supported server Windows Server 2008 [desktop apps only]
Target Platform Windows
Header evr.h
Library Strmiids.lib

See also

Enhanced Video Renderer

IMFVideoMixerControl