Subtitles doesnt appear on cast

[warrenlayson]

Steps to reproduce

1. Select movie
2. Cast selected movie
3. See if subtitles appears

Expected behavior

The subtitle should appear when casting a movie.

Actual behavior

Tje subtitle doesn't appear when casting the movie

Cloudstream version and commit hash

3.1.5 9402a28

Android version

Android 11

Logcat

No response

Other details

No response

Acknowledgements

• [X] I have searched the existing issues and this is a new ticket, NOT a duplicate or related to another open issue.
• [X] I have written a short but informative title.
• [X] I have updated the app to pre-release version Latest.
• [X] If related to a provider, I have checked the site and it works, but not the app.
• [X] I will fill out all of the requested information in this form.

[Blatzar]

Chromecast supports barely any subtitle formats (https://developers.google.com/cast/docs/media#subtitles_and_closed_captions)

This makes subtitles fail on superstream since they only use SRT :skull:

[warrenlayson]

That sucks, it's an issue with subtitle formats. Thanks!