用ShanaEncoder，把视频拖进去，然后按F8开参数窗口
照这样写
-f mkv
-c:v libx265
-c:a copy
-sn -map_metadata -1 -map_chapters 0 -crf 16.0 -tune:v none -preset medium
-x265-params "colorprim=bt2020:transfer=smpte2084:colormatrix=bt2020nc:master-display="G(13250,34500)B(7500,3000)R(34000,16000)WP(15635,16450)L(10000000,500):sao=0:ctu=32:merange=38:open-gop=0:strong-intra-smoothing=0:aq-mode=3:aq-strength=0.7:cbqpoffs=-2:crqpoffs=-2:rd=4:rdoq-level=2:psy-rdoq=1.00:rc-lookahead=70:keyint=360:min-keyint=1:deblock=-1,-1:qcomp=0.7:weightb=1"
-color_primaries bt2020 -colorspace bt2020_ncl -color_trc arib-std-b67 -libx265main10