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IMixerPinConfig::GetRelativePosition

  • 아티클
 
Microsoft DirectShow 9.0

IMixerPinConfig::GetRelativePosition

The GetRelativePosition method retrieves the position of the stream in the display window.

Syntax

  HRESULT GetRelativePosition(
  DWORD *pdwLeft,
  DWORD *pdwTop,
  DWORD *pdwRight,
  DWORD *pdwBottom
);

Parameters

pdwLeft

[out] Pointer to a value indicating the x-coordinate in the top-left corner of the display window.

pdwTop

[out] Pointer to a value indicating the y-coordinate in the top-left corner of the display window.

pdwRight

[out] Pointer to a value indicating the x-coordinate in the bottom-right corner of the display window.

pdwBottom

[out] Pointer to a value indicating the y-coordinate in the bottom-right corner of the display window.

Return Value

Returns an HRESULT value. Possible values include the following:

Value Description
E_INVALIDARG Coordinates not in the {0, 0, 10,000, 10,000} range.
S_OK Success.

Remarks

This method assumes window coordinates of {0, 0, 10,000, 10,000}. If the video stream is being rendered in the bottom right quarter of the display window, this method would return {5,000, 5,000, 10,000, 10,000}.

Requirements

Header: Include Mpconfig.h.

Library: Use Strmiids.lib.

See Also