-vf "scale=-1:640:flags=lanczos,setsar=1/1"
-f mp4
-c:v libx264 -profile:v main -level auto -tune:v none -preset slow -crf 22.0
-c:a copy
-sn -map_metadata -1 -map_chapters -1
Format: Name, Fontname, Fontsize, PrimaryColour, SecondaryColour, OutlineColour, BackColour, Bold, Italic, Underline, StrikeOut, ScaleX, ScaleY, Spacing, Angle, BorderStyle, Outline, Shadow, Alignment, MarginL, MarginR, MarginV, Encoding
Style: Default,,22,&H00FFFFFF,&H0000FFFF,&H00000000,&H80000000,-1,0,0,0,100,100,0,0,1,1.5,2.0,2,10,10,20,1
False
7
5
5
0
0
1
1
9
1
True
True