IMSVidStreamBufferSource2::put_RateEx Method

This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005.
The put_RateEx method sets the playback rate, and sets the frame rate for fast-forward play ("trick mode").


HRESULT put_RateEx(
  [in]  double dRate,
  [in]  DWORD dwFramesPerSecond


  • dRate [in]
    Playback rate. The valid range is (dRate >= 0.1 || dRate <= –0.1).

  • dwFramesPerSecond [in]
    Frames per second for fast-forward play. For more information, see IStreamBufferMediaSeeking2::SetRateEx.

Return Value

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

Return code Description


The method succeeded.



See Also

IMSVidStreamBufferSource2 Interface

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Build date: 12/4/2008