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Old 15th April 2020, 04:15   #1  |  Link
wswartzendruber
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Is Kate Still a Thing?

I've been investigating the most robust way to rip graphical PGS subtitles into Matroska. I'm in the mood to study spec sheets and write code. I want to be able to adjust scale and crop, after all. But I'd like to rip to a well-supported, royalty-free format. You can call it idealism, if you like.

So here's the rundown:

1. SRT - text only
2. ASS - doesn't support PNG and mkvmerge supposedly converts file attachments to be separate Matroska attachments.
3. USF - graphical support was never added.
4. PGS - proprietary, and I can't find any documentation saying Matroska officially supports this
5. Kate - supports text, graphics, and everything under the sun

The problem I have with Kate is that I can't get anything with Kate subtitles in them to actually show up in either VLC or Kodi. Elephant's Dream is available with Kate subtitles and they don't show up even when I select them. I muxed my own that I converted from SRT using kateenc, and those don't appear, even though the language code shows up in the subtitle selection.

Kate seems like a silver bullet for all subtitle use cases but nothing wants to show it. What gives?
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Old 15th April 2020, 04:30   #2  |  Link
amichaelt
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Quote:
Originally Posted by wswartzendruber View Post
4. PGS - proprietary, and I can't find any documentation saying Matroska officially supports this
mkvtoolnix has supported Blu-ray subtitles (S_HDMV/PGS) since something like 2010.

Last edited by amichaelt; 15th April 2020 at 04:33.
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Old 15th April 2020, 05:55   #3  |  Link
filler56789
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Quote:
Originally Posted by wswartzendruber View Post
............
5. Kate - supports text, graphics, and everything under the sun

............

What gives?
Apparently kate suxxx because it was originally designed for the Ogg container, which of course does sukk by definition...

https://wiki.xiph.org/index.php?title=OggKate

I stopped using VLC ages ago and I have no idea whether its recent builds include libkate
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Old 15th April 2020, 06:18   #4  |  Link
Boulder
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Definitely use the PGS subs if you mux to Matroska. Works fine in any player that supports the container.
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