Active Vimeo SRT

[ShadyNagy]

Need SRT show SRT file made by @rjsmith2 and files uploaded on dropbox videos 2019-04-05.srt , 2019-04-12.srt 2019-04-19.srt

• [x] Changes on the uploader
• [x] Changes on the edit Video page
• [x] Need to support SRT as it is only support VTT.

[ShadyNagy]

• https://www.3playmedia.com/services/features/captions-format-converter/
• https://quuz.org/webvtt/