| description | ms.assetid | title | ms.topic | ms.date |
|---|---|---|---|---|
Specifies whether the alpha mode for color media video types is premultiplied or straight. |
A263C3F7-357B-426D-B38C-533F9F6A1262 |
MF_MT_ALPHA_MODE attribute (Mfapi.h) |
reference |
05/31/2018 |
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Specifies whether the alpha mode for color media video types is premultiplied or straight.
UINT32
This value can be cast to a DXGI_ALPHA_MODE value. If this attribute isn’t present, for backward compatibility, the value is DXGI_ALPHA_MODE_STRAIGHT for video format supporting alpha channel, such as ARGB32, or DXGI_ALPHA_MODE_IGNORE for video format without alpha channel, such as RGB32.
| Requirement | Value |
|---|---|
| Minimum supported client |
Windows 10, version 1709 [desktop apps only] |
| Minimum supported server |
Windows Server, version 1709 [desktop apps only] |
| Header |
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