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#------------------------------------------------------------------------------
# $File: subtitle,v 1.2 2022/09/07 11:29:09 christos Exp $
# subtitle: file(1) magic for subtitles files
# EBU-STL
# https://tech.ebu.ch/docs/tech/tech3264.pdf
3 string STL EBU-STL subtitles
>6 regex =^[0-9][0-9] \b, rate %s
>>8 string .01 \b, v1
!:mime application/x-ebu-stl
>>>16 regex =^[^\ ]{0,32} \b, title "%s"
>>>>224 regex =^[0-9]{2} \b, created %-.2s
>>>>>&0 regex =^[0-9]{2} \b-%-.2s
>>>>>>&0 regex =^[0-9]{2} \b-%-.2s
!:ext stl
# SubRip (srt) subtitles
0 regex/20 =^1[\r\n]+0[01]:[0-9]{2}:[0-9]{2},[0-9]{3}\040--> SubRip
!:mime application/x-subrip
!:ext srt
# WebVTT subtitles
# https://www.w3.org/TR/webvtt1/
0 string/t WEBVTT
>&0 regex/255 =[0-9]{2}:[0-9]{2}\\.[0-9]{3}\040--> WebVTT subtitles
!:mime text/vtt
!:ext vtt
# XML TTML subtitles
# https://www.w3.org/TR/ttml2/
0 string/t \<?xml
>20 search/400 \020xmlns=
>>&0 regex ['"]http://www.w3.org/ns/ttml TTML subtitles
!:mime application/ttml+xml
# Augment strength to beat plain XML
!:strength * 3
!:ext ttml
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