[FFmpeg]subtitles滤镜下渲染ass字幕：字体文件

我使用PingFang字体下的PingFangHK-Regular渲染字幕
发现『远』和『迟』无法显示

如上，诶？『迟』字被吃掉啦？

之后开始排查问题，后来查到是字体问题，换成 PingFangSC-Regular 就没问题了

修复如下:

image.png

如下字体

PostScript Name:

PingFangHK-Regular
PingFangTC-Regular
PingFangSC-Regular 默认字体
PingFangHK-Medium
PingFangTC-Medium
PingFangSC-Medium
PingFangHK-Semibold
PingFangTC-Semibold
PingFangSC-Semibold
PingFangHK-Light
PingFangTC-Light
PingFangSC-Light
PingFangHK-Thin
PingFangTC-Thin
PingFangSC-Thin
PingFangHK-Ultralight
PingFangTC-Ultralight
PingFangSC-Ultralight
(PingFang.ttc)

PostScript Name:

Helvetica
Helvetica-Bold
Helvetica-Oblique
Helvetica-BoldOblique
Helvetica-Light
Helvetica-LightOblique
(Helvetica.ttc)