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NF:mfmediaengine.IMFMediaEngine.Load |
IMFMediaEngine::Load (mfmediaengine.h) |
Loads the current media source. |
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mf\imfmediaengine_load.htm |
mf |
5ACE8143-DC14-495C-A644-A2076FB1980F |
12/05/2018 |
IMFMediaEngine interface [Media Foundation],Load method, IMFMediaEngine.Load, IMFMediaEngine::Load, Load, Load method [Media Foundation], Load method [Media Foundation],IMFMediaEngine interface, mf.imfmediaengine_load, mfmediaengine/IMFMediaEngine::Load |
mfmediaengine.h |
Windows |
Windows 8 [desktop apps \| UWP apps] |
Windows Server 2012 [desktop apps \| UWP apps] |
Windows |
19H1 |
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Loads the current media source.
If this method succeeds, it returns S_OK. Otherwise, it returns an HRESULT error code.
The main purpose of this method is to reload a list of source elements after updating the list. For more information, see SetSourceElements. Otherwise, calling this method is generally not required. To load a new media source, call IMFMediaEngine::SetSource or IMFMediaEngine::SetSourceElements.
The Load method explicitly invokes the Media Engine's media resource loading algorithm. Before calling this method, you must set the media resource by calling IMFMediaEngine::SetSource or IMFMediaEngine::SetSourceElements.
This method completes asynchronously. When the Load operation starts, the Media Engine sends an MF_MEDIA_ENGINE_EVENT_LOADSTART event. If no errors occur during the Load operation, several other events are generated, including the following.
- MF_MEDIA_ENGINE_EVENT_LOADEDMETADATA
- MF_MEDIA_ENGINE_EVENT_LOADEDDATA
- MF_MEDIA_ENGINE_EVENT_CANPLAY
- MF_MEDIA_ENGINE_EVENT_CANPLAYTHROUGH
For more information about event handling in the Media Engine, see IMFMediaEngineNotify.
This method corresponds to the load method of the HTMLMediaElement interface in HTML5.