How to display fonts with subtitles in MP4 container?

[Jamaika]

Hi
Would like to display the subtitle font as is possible in the Matroska container. I use MPC-HC player.

Do I need to extract the font from the MP4 container to be able to properly display subtitles?
Is there any player that supports the MP4 container construction?

Example: https://www.sendspace.com/file/xkjrmm

[Baldrick]

Have you tried extract the subs? With for example mp4box or mymp4boxgui.

[Jamaika]

I use MP4Box to the sub, but if I have to? Maybe a player he is able to read the font itself from the attachment.