-vf "shanasubtitle=0"
-f webm
-c:v libvpx-vp9 -crf 31 -b:v 1800k -minrate 900k -maxrate 2610k -tile-columns 2 -g 240 -threads 8 -quality good -speed 4
-c:a libopus -ac 2 -b:a 56k
-sn -map_metadata -1 -map_chapters -1
-metadata:s:v:0 language=kor
-metadata:s:a:0 language=kor
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,나눔고딕 ExtraBold,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
1
1
9
1
True
True