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IMFVideoPresenter::ProcessMessage method

Sends a message to the video presenter. Messages are used to signal the presenter that it must perform some action, or that some event has occurred.

Syntax


HRESULT ProcessMessage(
  [in]  MFVP_MESSAGE_TYPE eMessage,
  [in]  ULONG_PTR ulParam
);

Parameters

eMessage [in]

Specifies the message as a member of the MFVP_MESSAGE_TYPE enumeration.

ulParam [in]

Message parameter. The meaning of this parameter depends on the message type.

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.

MF_E_SHUTDOWN

The video renderer has been shut down.

 

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Evr.h

Library

Strmiids.lib

See also

IMFVideoPresenter
How to Write an EVR Presenter

 

 

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