Danmaku2ASS 介绍
Danmaku2ASS 用来将来自 Niconico/Acfun/Bilibili 的评论转成 ASS 格式，这样就可以在任意支持 ASS
字母的媒体播放器中使用弹幕。
使用方法：
usage: danmaku2ass.py [-h] [-f FORMAT] [-o OUTPUT] -s WIDTHxHEIGHT [-fn FONT] [-fs SIZE] [-a ALPHA] [-dm SECONDS] [-ds SECONDS] [-fl FILTER] [-p HEIGHT] [-r] FILE [FILE ...] positional arguments: FILE Comment file to be processed optional arguments: -h, --help show this help message and exit -f FORMAT, --format FORMAT Format of input file (autodetect|Bilibili|Tudou2|MioMi o|Acfun|Niconico|Tudou) [default: autodetect] -o OUTPUT, --output OUTPUT Output file -s WIDTHxHEIGHT, --size WIDTHxHEIGHT Stage size in pixels -fn FONT, --font FONT Specify font face [default: sans-serif] -fs SIZE, --fontsize SIZE Default font size [default: 25] -a ALPHA, --alpha ALPHA Text opacity -dm SECONDS, --duration-marquee SECONDS Duration of scrolling comment display [default: 5] -ds SECONDS, --duration-still SECONDS Duration of still comment display [default: 5] -fl FILTER, --filter FILTER Regular expression to filter comments -p HEIGHT, --protect HEIGHT Reserve blank on the bottom of the stage -r, --reduce Reduce the amount of comments if stage is full