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MFPKEY_BAVG Property

Specifies the buffer window, in milliseconds, of a constrained variable-bit-rate (VBR) stream at its average bit rate (specified by MFPKEY_RAVG).

Constant for IPropertyBag

g_wszWMVCBAvg

Data Type

VT_I4

Default Value

No default value, but the codec will compute an appropriate value based on the other constrained VBR settings.

Remarks

This value is computed by the codec after the final encoding pass. You should not query for this value until after encoding is complete. The codec interprets a request for this value as a signal that the encoding session is over; the next sample that you process is treated as the beginning of a new session.

Requirements

Minimum supported client

Windows XP [desktop apps only]

Minimum supported server

Windows Server 2003 [desktop apps only]

Header

Wmcodecdsp.h

See also

Media Foundation Properties

 

 

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