pub unsafe static kVTCompressionPropertyKey_MinAllowedFrameQP: &'static CFStringAvailable on crate feature
VTCompressionProperties only.Expand description
Specifies the minimum allowed encoded frame QP (Quantization Parameter).
This is an optional parameter. Use it only when you have a specific requirement for the video quality and you are familiar with frame QP. This is not supported in all encoders or in all encoder operating modes. kVTPropertyNotSupportedErr will be returned when this option is not supported.
See also Apple’s documentation