IMFRateControl::GetRate method

Gets the current playback rate.

Syntax


HRESULT GetRate(
  [in, out] BOOL  *pfThin,
  [in, out] float *pflRate
);

Parameters

pfThin [in, out]

Receives the value TRUE if the stream is currently being thinned. If the object does not support thinning, this parameter always receives the value FALSE. This parameter can be NULL. For more information, see About Rate Control.

pflRate [in, out]

Receives the current playback rate.

Return value

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

Return codeDescription
S_OK

The method succeeded.

 

Requirements

Minimum supported client

Windows Vista [desktop apps | Windows Store apps]

Minimum supported server

Windows Server 2008 [desktop apps | Windows Store apps]

Header

Mfidl.h

Library

Mfuuid.lib

See also

How to Determine Supported Rates
IMFRateControl

 

 

Show: