IMSVidStreamBufferSourceEvent2::RateChange method (segment.h)

[The feature associated with this page, Microsoft TV Technologies, is a legacy feature. Microsoft strongly recommends that new code does not use this feature.]

This topic applies to Update Rollup 2 for Microsoft Windows XP Media Center Edition 2005.

The RateChange method is called when the playback rate changes.

Syntax

HRESULT RateChange(
  [in] double qwNewRate,
  [in] double qwOldRate
);

Parameters

[in] qwNewRate

Specifies the new playback rate.

[in] qwOldRate

Specifies the previous playback rate.

Return value

Returns an HRESULT value. Possible values include the following.

Remarks

For both parameters, 1.0 represents normal speed. Fractional values are allowed. For example, 0.2 would represent a rate that is slower than normal playback and 1.7 would represent a rate that is faster than normal playback.

Requirements

See also

IMSVidStreamBufferSourceEvent2 Interface