Final Cut Pro is a nice option to convert HDR contents to standard SDR. Moreover, it also supports to convert MXF or MOV files that were encoded directly using the HLG (Hybrid Log-Gamma) or PQ (Perceptual Quantizer) standard to SDR standard mode. ...
HDR to Rec. 709 SDR: Choose this option to convert high-dynamic-range (HDR) clips (such as PQ, HLG, or log media that has been color corrected in HDR) to Rec. 709 standard-dynamic-range (SDR) luminance levels. Further adjustments to the image may be necessary to fine-tune the look....
There are many ways to calculate the gray value. Here, we use Rec. 709 luma coefficients for the conversion. The calculation speed is optimized using multiplication with integer and bit shifting. Iterate all the pixels and set the RGB values as the gray value we calculated. const pixels = ...
$ convertfrom.tif -colorspace cmyk -compress LZW to.tif To find more supported colorspace and compress options, you can use the-listoption ofconvert: $ convert -list colorspaceCIELabCMYCMYKGray HCL HCLp HSB HSI HSL HSV HWB Lab LCH LCHab LCHuv LMS Log Luv OHTA Rec601Luma Rec601YCbCr Re...