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MFT_MESSAGE_NOTIFY_START_OF_STREAM

Notifies a Media Foundation transform (MFT) that the first sample is about to be processed.

Message Parameter

None.

Remarks

To send this message, call IMFTransform::ProcessMessage.

For synchronous MFTs, it is optional to send this message.

For asynchronous MFTs, the client must send this message.

Implementation

A synchronous MFT is not required to respond to the message.

An asynchronous MFT must implement this message, as described in Asynchronous MFTs.

Requirements

Minimum supported client

Windows Vista [desktop apps only]

Minimum supported server

Windows Server 2008 [desktop apps only]

Header

Mftransform.h

See also

MFT_MESSAGE_TYPE

 

 

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