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MFT_SUPPORT_DYNAMIC_FORMAT_CHANGE attribute
Specifies whether a Media Foundation transform (MFT) supports dynamic format changes.
Data type
UINT32
Treat as a Boolean value.
Remarks
This attribute can have the following values.
| Value | Description |
|---|---|
| TRUE | The client can change the input format during streaming. |
| FALSE | The MFT must be drained before the client can change the input format. |
To get this attribute, first call IMFTransform::GetAttributes to get the global attribute store for the MFT. Then call IMFAttributes::GetUINT32 to get the attribute value.
If GetAttributes fails or the attribute is not present, the default value if FALSE.
Asynchronous MFTs must return the value TRUE.
For more information, see Handling Stream Changes.
The GUID constant for this attribute is exported from mfuuid.lib.
Requirements
|
Minimum supported client | Windows Vista [desktop apps | Windows Store apps] |
|---|---|
|
Minimum supported server | Windows Server 2008 [desktop apps | Windows Store apps] |
|
Header |
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See also
- Asynchronous MFTs
- Transform Attributes
- IMFAttributes::GetUINT32
- IMFAttributes::SetUINT32
- IMFTransform
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Build date: 11/28/2012
