pub unsafe static kVTCompressionPropertyKey_Quality: &'static CFStringAvailable on crate feature
VTCompressionProperties only.Expand description
The desired compression quality.
Some encoders, such as JPEG, describe the compression level of each image with a quality value. This value should be specified as a number in the range of 0.0 to 1.0, where low = 0.25, normal = 0.50, high = 0.75, and 1.0 implies lossless compression for encoders that support it.
See also Apple’s documentation