25.11.2021, 08:59
I think you misunderstood me. The sample is HDR BT.2020, I've tonemaped it to SDR BT.709, but using zscale=p=bt709 before tonemap=tonemap=mobius caused such issue when using desaturation.
I have just tested it with Hybrid and the result was identical. Black pixels being clipped.
I have just tested it with Hybrid and the result was identical. Black pixels being clipped.