MF_MEDIA_ENGINE_NEEDKEY_CALLBACK attribute
Attribute which is passed in the IMFMediaEngineNeedKeyNotify to the media engine on creation.
Data type
IMFMediaEngineNeedKeyNotify* stored as IUnknown*
Get/set
To get this attribute, call IMFAttributes::GetUnknown.
To set this attribute, call IMFAttributes::SetUnknown.
Remarks
The value of this attribute is a pointer to the IMFMediaEngineNeedKeyNotify interface, implemented by the application.
Requirements
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 8.1 [desktop apps only] |
| Minimum supported server |
Windows Server 2012 R2 [desktop apps only] |
| IDL |
|
See also