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NN:strmif.IEnumMediaTypes |
IEnumMediaTypes (strmif.h) |
The IEnumMediaTypes interface enumerates a pin's preferred media types. |
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dshow\ienummediatypes.htm |
dshow |
e0021e27-0e08-4d07-9610-08a9b945ae34 |
4/26/2023 |
IEnumMediaTypes, IEnumMediaTypes interface [DirectShow], IEnumMediaTypes interface [DirectShow],described, IEnumMediaTypesInterface, dshow.ienummediatypes, strmif/IEnumMediaTypes |
strmif.h |
Dshow.h |
Windows |
Windows 2000 Professional [desktop apps only] |
Windows 2000 Server [desktop apps only] |
Strmiids.lib |
Windows |
19H1 |
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[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 It has been superseded by MediaPlayer, IMFMediaEngine, and Audio/Video Capture in Media Foundation.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 IEnumMediaTypes interface enumerates a pin's preferred media types. To obtain this interface, call the IPin::EnumMediaTypes method on the pin. Filters use this interface when they connect to other filters. Applications can also use it to examine a pin's preferred media types. For more information, see Enumerating Objects in a Filter Graph.
This interface implements a standard Component Object Model (COM) collection object.
If a pin's set of preferred media types changes, some methods on this interface return VFW_E_ENUM_OUT_OF_SYNC. Call the IEnumMediaTypes::Reset method to resynchronize the enumerator.
The IEnumMediaTypes interface inherits from the IUnknown interface. IEnumMediaTypes also has these types of members: