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IMFRateControl::GetRate method (mfidl.h)

  • Article

Gets the current playback rate.

Syntax

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

Parameters

[in, out] pfThin

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.

[in, out] pflRate

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 code Description
S_OK
 The method succeeded.

Requirements

Requirement Value
Minimum supported client Windows Vista [desktop apps | UWP apps]
Minimum supported server Windows Server 2008 [desktop apps | UWP apps]
Target Platform Windows
Header mfidl.h
Library Mfuuid.lib

See also

How to Determine Supported Rates

IMFRateControl