Public

imageminGifsicle

/**
   * 构建单独一个文件
   * @param absFilePath
   * @returns {Promise.<void>}
   */

// Async function to optimize a gif using ffmpeg

// http://blog.pkh.me/p/21-high-quality-gif-with-ffmpeg.html

// This sets the fps, and tells to output a gif palette

// Optimize the gif quality using the palette

// Must use .input() to ensure inputs are in the right order

// https://superuser.com/questions/1199833/ffmpeg-palettegen-spits-out-a-palette-paletteuse-cant-use

// Equivalient to -lavi or -filter_complex

// Maintain the aspect ratio from the previous scale, and decrease whichever breaks it

// Other cool gif optimization stuff, see linked blog post

// Generate the final gif with an optimized byte size