MFPKEY_VBRENABLED Property

  • [アーティクル]

Specifies whether the encoder uses variable-bit-rate (VBR) encoding. Read-write.

Constant for IPropertyBag

g_wszWMVCVBREnabled, g_wszWMCPAudioVBRSupported

Data Type

VT_BOOL

Default Value

VARIANT_FALSE

Remarks

This value must be set to VARIANT_TRUE for any of the other VBR properties to be used by the codec.

After you set this value to VARIANT_TRUE on the audio encoder, the output types retrieved by using the IMediaObject::GetOutputType method are VBR types.

Requirements

Minimum supported client

 Windows XP

Minimum supported server

 Windows Server 2003

Header

 Wmcodecdsp.h

See Also

MFPKEY_CONSTRAIN_ENUMERATED_VBRQUALITY

MFPKEY_DESIRED_VBRQUALITY

Properties

 

 

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Build date: 4/7/2010