Ok. Did a test. 3840x2160 res., same x265 settings. One with aq-mode 1 crf18 and second aq-mode 2 (which is now new default) with crf16. aq-mode 2 with crf16 still gives lower bitrate. which one "should" be better in terms of detail retention?
whole CLI (HDR parameters are added automatically by RipBot264):
Code:
-preset slow --profile main10 --level-idc 5.1 --output-depth 10 --ctu 32 --aq-mode 1 --amp --no-rskip --qg-size 8 --vbv-bufsize 160000 --vbv-maxrate 160000 --bframes 8
--rc-lookahead 48 --gop-lookahead 30 --hdr --hdr-opt --repeat-headers --no-info --no-deblock --no-sao --allow-non-conformance --no-strong-intra-smoothing --high-tier --asm avx512 --crf 18
Code:
-preset slow --profile main10 --level-idc 5.1 --output-depth 10 --ctu 32 --aq-mode 2 --amp --no-rskip --qg-size 8 --vbv-bufsize 160000 --vbv-maxrate 160000 --bframes 8
--rc-lookahead 48 --gop-lookahead 30 --hdr --hdr-opt --repeat-headers --no-info --no-deblock --no-sao --allow-non-conformance --no-strong-intra-smoothing --high-tier --asm avx512 --crf 16