Contents

kVTCompressionPropertyKey_VBVMaxBitRate

Declaration

let kVTCompressionPropertyKey_VBVMaxBitRate: CFString

Discussion

Defines the maximum bitrate that can enter the video buffering verifier (VBV) model at any time in variable bitrate (VBR) mode.

The value of this property must be greater than zero. This property key is not compatible with:

  1. kVTCompressionPropertyKey_AverageBitRate,

  2. kVTCompressionPropertyKey_ConstantBitRate,

  3. kVTCompressionPropertyKey_DataRateLimits,

  4. VTVideoEncoderSpecification_EnableLowLatencyRateControl=True.

See Also

Rate Control