IAMExtTransport::put_MediaState

 
Microsoft DirectShow 9.0

IAMExtTransport::put_MediaState

The put_MediaState method sets the current state of the media.

Syntax

  HRESULT put_MediaState(
  long State
);

Parameters

State

[in]  Specifies the media state as a long integer. Use one of the following:

Value Description
ED_MEDIA_SPIN_DOWN For disk media: Stop spinning. For tape media: Unthread the tape.
ED_MEDIA_SPIN_UP For disk media: Start spinning. For tape media: Thread the tape.
ED_MEDIA_UNLOAD Eject the media from the drive.

These constants are for disk and tape media. Other devices might need to define new constants.

Return Values

When this method succeeds, it returns S_OK. Otherwise it returns an HRESULT error code.

DV Implementation

MSDV does not support this method. It returns E_NOTIMPL.

Requirements

Header: Declared in Strmif.h; include Dshow.h.

Library: Use Strmiids.lib.

See Also