This is a fork of https://github.com/t-mullen/fluent-ffmpeg-multistream
npm install @dank074/fluent-ffmpeg-multistream-ts
const ffmpeg = require('fluent-ffmpeg')
const { StreamInput, StreamOutput } = require('@dank074/fluent-ffmpeg-multistream-ts')
ffmpeg()
.input(StreamInput(readableStream1).url)
.input(StreamInput(readableStream2).url)
.output(StreamOutput(writableStream1).url)
.output(StreamOutput(writableStream2).url)