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Convert animated GIF to asciicast

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victpork/gif2cast

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gif2cast - Convert animated gif into asciicast session

What it does

Basically does the opposite of asciicast2gif - turning an animated gif into asciicast file, which also uploading to the asciinema site.

Preview

asciicast

Original file

Usage

Bundled tool

> AC_APIKEY=abcdef-123445 gif2cast animated.gif
or
> gif2cast -o out.cast animated.gif

Library

fp, err := os.Open(fileName)
...
gifImage, err := gif.DecodeAll(fp)
...
width := 80
height := 24
gc := gif2cast.NewGif2Cast(gifImage, 80, 24, "title")
out, err := os.OpenFile(outFilename, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
gc.Write(out)
//or
url, err := gc.Upload(APIKEY)
if err != nil {
    fmt.Println("Cannot upload:", err)
    os.Exit(1)
}
fmt.Println(url)

Note

This library is some hobby project I wrote over the weekend so it has a lot of rough edges, e.g.

  • No support on partial frame refresh, it takes every frame in the gif as a full refresh.
  • Does not support disposal methods
  • Does not support loop
  • Bundled tool does not find API automatically
  • Rudimentary optimization to reduce asciicast file size

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Convert animated GIF to asciicast

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