-vf "scale=1920:1080:flags=bicubic,shanapad=DAR,setsar=1/1,shanasubtitle=1" -af "aresample=48000:resampler=soxr" -f mp4 -c:v libx264 -c:a libfdk_aac -sn -map_metadata -1 -map_chapters -1 -b:v 5376k -profile:v high -level 5.1 -preset faster -tune:v ssim -shanakeyframe 10 -b:a 320k -ac 2 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,微软雅黑,40,&H00FFFFFF,&H0000FFFF,&H00000000,&H80000000,0,0,0,0,100,100,0,0,1,2.0,2.0,2,10,10,10,1