IMFVideoMixerControl::GetStreamOutputRect method (evr.h)

[The component described on this page, Enhanced Video Renderer, is a legacy feature. It has been superseded by the Simple Video Renderer (SVR) exposed through the MediaPlayer and IMFMediaEngine components. To play video content you should send data into one of these components and allow them to instantiate the new video renderer. These components have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer or the lower level IMFMediaEngine APIs to play video media in Windows instead of the EVR, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]

Retrieves the position of a video stream within the composition rectangle.

Syntax

HRESULT GetStreamOutputRect(
  [in]  DWORD                 dwStreamID,
  [out] MFVideoNormalizedRect *pnrcOutput
);

Parameters

[in] dwStreamID

The 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] pnrcOutput

Pointer to an MFVideoNormalizedRect structure that receives the bounding rectangle, in normalized coordinates.

Return value

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

Requirements

See also

Enhanced Video Renderer

IMFVideoMixerControl