artifacts when previewing

[kingcrimsonster]

and your image I would say those 'artifacts' are the output of you eanbleding 'ColorYUV(analyze=true)'.

Now I uncheck "Show YUV color ranges"
artifacts when previewing again exist

ClearAutoloadDirs()
SetFilterMTMode("DEFAULT_MT_MODE", MT_MULTI_INSTANCE)
LoadPlugin("C:\PROGRA~1\Hybrid\32bit\AVISYN~1\LSMASHSource.dll")
LoadPlugin("C:\PROGRA~1\Hybrid\32bit\AVISYN~1\SmoothAdjust.dll")
# loading source: D:\!_Video\Video_Mus\!_Edit\Nelli - Gde voda_1.67x_1280x720_amqs-1.mov
# color sampling YUY2@10, matrix: bt709, scantyp: progressive, luminance scale: limited
LWLibavVideoSource("D:\!_Video\Video_Mus\!_Edit\Nelli - Gde voda_1.67x_1280x720_amqs-1.mov",cache=false,format="YUV422P16", prefer_hw=0,repeat=true)
# current resolution: 1280x720
# filtering
# color modifications
SmoothLevels16(input_low=8995,input_high=47545,output_high=60395,chroma=30,Lmode=2,Ecenter=32896,HQ=true)
# Dithering from 16 to 8bit for encoder
ConvertBits(8)
# adjust color to YV12 (color matrix: Rec709)
ConvertToYV12()
PreFetch(6)
# setting output fps to 25.000fps
AssumeFPS(25,1)
#  output: color sampling YV16@8, matrix: bt709, scantyp: progressive, luminance scale: limited
return last