ARIB B-24 subtitle support

Suggestions
1

If you record any Japanese TV, it will be regular MPEG Transport Stream, but the subtitles will be inside of an additional PES in ARIB B-24 format. Often just simply called ARIB subtitle format.

These will show fine in VLC media player. My suggestion is to also add support in Infuse.

2

Here’s also on demand for arib caption.
Potplayer and ffmpeg is using xqq/libaribcaption to support. I hope this information will help for developers.

4

I would like it too if Infuse would support arib captions.