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ASS(Advanced SSA) Subtitle Font Support Missing

subtitle font ass

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#1 whatUwant

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Posted 22 February 2014 - 10:58 PM

Hi!

I'm running AirVideo HD Server 1.0.14 on OS X Mavericks. When the option "Force hard subtitles" on AirServer HD is switched on, font support is missing for ASS subtitles.

on.gif
 

Screenshot of VLC on OS X:

 

Screenshot of AirVideo HD on iOS 7.0.6:

 

Comparison:
comparison.png
VLC: the text is rendered with a serif font, the correct font.

AirVideo HD: the text is rendered with a sans-serif font which seems to be the default font used when corresponding font is not available.

 

Please look into this issue.


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#2 admin

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Posted 23 February 2014 - 03:10 AM

Is the font embedded in the video? What is the font name?


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#3 whatUwant

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Posted 23 February 2014 - 06:16 PM

Is the font embedded in the video?

No, I don't think the font is embedded. The subtitle which I selected for playback is an external subtitle.
2014-02-23_20-19-25.gif
 

What is the font name?

The font name is 方正小标宋简体

 

After replacing all 方正小标宋简体 with its romanized name FZXiaoBiaoSong-B05S in the .ass file, AirVideo HD renders the text with the correct font.

 

So this seems to be an issue caused by font name, i.e. font names in Eastern Asian languages are not properly recognized.

But the romanized names of such fonts are seldom used in subtitles. Popular players like VLC are capable of recognizing these fonts by their original names. It would be impractical for users to manually search every subtitle file for the original names and replace them with their respective romanized names.


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