description	ms.assetid	title	ms.topic	ms.date
Specifies if the stream contains an alpha channel.	D2CD976F-1F07-4864-8CEC-1AA8E1D9ED45	MF_MEDIA_ENGINE_STREAM_CONTAINS_ALPHA_CHANNEL attribute	reference	05/31/2018

MF_MEDIA_ENGINE_STREAM_CONTAINS_ALPHA_CHANNEL attribute

Specifies if the stream contains an alpha channel.

Data type

VT_BOOL

Requirement	Value
Minimum supported client	Windows 8 [desktop apps \| UWP apps]
Minimum supported server	Windows Server 2012 [desktop apps \| UWP apps]
Header	Mfmediaengine.idl