视频转GIF图片开源工具-Gifify

nodejs


Gifify是一款视频转换成压缩Gif动画图片的开源工具。可以截取视频部分也可以全部视频转换。Gifify遵守ISC（基本等同于BSD-clause2）开源协议。


主要功能特性：

    命令行界面
    可定制 JavaScript 界面
    对unix 系统友好, 支持 stdin & stdout
    图片优化压缩
    多项设置可调节，如l视频速度, fps, 颜色, 压缩率, 大小, 倒放, 截取, 字幕
    不产生临时文件，全部在内存中完成
    快速!从2小时视频截取 制作5秒gif图片只需要少于20秒

命令行使用方法：

gifify screencast.mkv -o screencast.gif --resize 800:-1

[repo owner=”vvo” name=”gifify”]

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gifify

Convert any video file to an optimized animated GIF. Either in its full length or only a part of it.

Demo time

screencast

This screencast was recorded with lolilolicon/FFcast then converted to a GIF with:

gifify screencast.mkv -o screencast.gif --resize 800:-1

Features

  • command line interface
  • programmatic JavaScript (Node.JS) stream interface
  • unix friendly, supports stdin & stdout
  • optimized! uses pornel/giflossy to generate light GIFS
  • lots of options: movie speed, fps, colors, compression, resize, reverse, from & to, subtitles
  • no temp files used, everything happens in memory
  • fast! Extracting a 5-second GIF from the middle of a 2-hour movie takes less than 20 seconds

Requirements

Before using gifify, please install:

You can also use the gifify Docker image which comes with everything installed.

Installation

npm install -g gifify

Command line usage

> gifify -h

  Usage: gifify [options] [file]

  Options:

    -h, --help              output usage information
    -V, --version           output the version number
    --colors <n>            Number of colors, up to 255, defaults to 80
    --compress <n>          Compression (quality) level, from 0 (no compression) to 100, defaults to 40
    --from <position>       Start position, hh:mm:ss or seconds, defaults to 0
    --fps <n>               Frames Per Second, defaults to 10
    -o, --output <file>     Output file, defaults to stdout
    --resize <W:H>          Resize output, use -1 when specifying only width or height. `350:100`, `400:-1`, `-1:200`
    --reverse               Reverses movie
    --speed <n>             Movie speed, defaults to 1
    --subtitles <filepath>  Subtitle filepath to burn to the GIF
    --text <string>         Add some text at the bottom of the movie
    --to <position>         End position, hh:mm:ss or seconds, defaults to end of movie
    --no-loop               Will show every frame once without looping

from

https://github.com/vvo/gifify