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Represents a callback to the media engine to notify key request data.
Inheritance
The IMFMediaEngineNeedKeyNotify interface inherits from the IUnknown interface. IMFMediaEngineNeedKeyNotify also has these types of members:
Methods
The IMFMediaEngineNeedKeyNotify interface has these methods.
| IMFMediaEngineNeedKeyNotify::NeedKey Notifies the application that a key or keys are needed along with any initialization data. |
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client | Windows 8.1 [desktop apps only] |
| Minimum supported server | Windows Server 2012 R2 [desktop apps only] |
| Target Platform | Windows |
| Header | mfmediaengine.h |