go-astisub

This is a Golang library to manipulate subtitles.

It allows you to manipulate srt, stl, ttml, ssa/ass, webvtt and teletext files for now.

Available operations are parsing, writing, applying linear correction, syncing, fragmenting, unfragmenting, merging and optimizing.

Installation

To install the library:

go get github.com/asticode/go-astisub

To install the CLI:

go install github.com/asticode/go-astisub/cmd/astisub        

Using the library in your code

WARNING: the code below doesn't handle errors for readibility purposes. However you SHOULD!

…

Using the CLI

If astisub has been installed properly you can:

• convert any type of subtitle to any other type of subtitle:

  复制

    astisub convert -i example.srt -o example.ttml
  

• apply linear correction to any type of subtitle:

  复制

    astisub apply-linear-correction -i example.srt -a1 1s -d1 2s -a2 5s -d2 7s -o example.out.srt
  

• fragment any type of subtitle:

  复制

    astisub fragment -i example.srt -f 2s -o example.out.srt
  

• merge any type of subtitle into any other type of subtitle:

  复制

    astisub merge -i example.srt -i example.ttml -o example.out.srt
  

• optimize any type of subtitle:

  复制

    astisub optimize -i example.srt -o example.out.srt
  

• unfragment any type of subtitle:

  复制

    astisub unfragment -i example.srt -o example.out.srt
  

• sync any type of subtitle:

  复制

    astisub sync -i example.srt -s "-2s" -o example.out.srt

Features and roadmap

• parsing
• writing
• syncing
• fragmenting/unfragmenting
• merging
• ordering
• optimizing
• linear correction
• .srt
• .ttml
• .vtt
• .stl
• .ssa/.ass
• .teletext
• .smi