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IMFMediaSession::GetClock method (mfidl.h)

  • Article

Retrieves the Media Session's presentation clock.

Syntax

HRESULT GetClock(
  [out] IMFClock **ppClock
);

Parameters

[out] ppClock

Receives a pointer to the presentation clock's IMFClock interface. The caller must release the interface.

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.
E_UNEXPECTED
 The Media Session does not have a presentation clock.
MF_E_SHUTDOWN
 The Media Session has been shut down.

Remarks

The application can query the returned IMFClock pointer for the IMFPresentationClock interface. However, the application should not use this interface to control the state of the presentation clock. Instead, the application should always call the transport control methods on the Media Session's IMFMediaSession interface, such as Start, Stop, and Pause.

Requirements

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

See also

IMFMediaSession