IVMRImagePresenter interface (strmif.h)
[The feature associated with this page, DirectShow, is a legacy feature. It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation. Those features have been optimized for Windows 10 and Windows 11. Microsoft strongly recommends that new code use MediaPlayer, IMFMediaEngine and Audio/Video Capture in Media Foundation instead of DirectShow, when possible. Microsoft suggests that existing code that uses the legacy APIs be rewritten to use the new APIs if possible.]
The IVMRImagePresenter interface is implemented by the default Allocator-Presenter for the Video Mixing Renderer Filter 7 (VMR-7). It must also be implemented by any plug-in Allocator-Presenter that an application provides for the VMR-7. The VMR-7 uses the methods on this interface to inform the Allocator-Presenter that it should present the video frame contained in the supplied Direct Draw surface. Applications do not use this interface.
For the VMR-9, use the IVMRImagePresenter9 interface.
Inheritance
The IVMRImagePresenter interface inherits from the IUnknown interface. IVMRImagePresenter also has these types of members:
Methods
The IVMRImagePresenter interface has these methods.
| IVMRImagePresenter::PresentImage The PresentImage method is called at precisely the moment this video frame should be presented. |
| IVMRImagePresenter::StartPresenting The StartPresenting method is called just before the video starts playing. The allocator-presenter should perform any necessary configuration in this method. |
| IVMRImagePresenter::StopPresenting The StopPresenting method is called just after the video stops playing. The allocator-presenter should perform any necessary cleanup in this method. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows XP with SP1 [desktop apps only] |
| Minimum supported server | Windows Server 2003 [desktop apps only] |
| Target Platform | Windows |
| Header | strmif.h (include Dshow.h) |