sixel support

[aicynide]

To make life of the project maintainers easier please submit bug reports only.

This is bug tracker for asciinema cli (aka recorder). If your issue seems to be with another component (js player, server) then open an issue in related repository. If you're experiencing issue with asciinema server running at asciinema.org then contact admin@asciinema.org.

Ideas, feature requests, help requests, questions and general discussions should be discussed in project's Discussions instead: https://github.com/orgs/asciinema/discussions

If you think you've found a bug or regression, go ahead and delete this message and fill in the details below.

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Describe the bug
A clear and concise description of what the bug is.
While sixel works in asciinema play command its blank in website video player
To Reproduce
Steps to reproduce the behavior:

1. Record a session of img2sixel image.jpg
2. Upload to asciinema.org
3. Play recording in asciinema.org
4. No Image! Blank

Expected behavior
A clear and concise description of what you expected to happen.
Fix website
Versions:

• OS: arch linux
• asciinema cli: latest

Additional context
Add any other context about the problem here.