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Specifies whether modes enumerated by the encoder are limeted to those that meet a quality requirement given by MFPKEY_DESIRED_VBRQUALITY.
Constant for IPropertyBag
Available only by using IPropertyStore.
Data Type
VT_BOOL
Default Value
VARIANT_FALSE
Remarks
To enumerate VBR modes that meet a certain quality requirement, set the following encoder properties.
- Set MFPKEY_VBRENABLED to VARIANT_TRUE.
- Set MFPKEY_CONSTRAIN_ENUMERATED_VBRQUALITY to VARIANT_TRUE.
- Set MFPKEY_DESIRED_VBRQUALITY to the desired quality. For Lossless modes, set the desired quality to 100.
Requirements
| Requirement | Value |
|---|---|
| Client |
Windows Vista or Windows 7 |
| Header |
|
See also