fluent-ffmpeg-multistream

Uses Unix domain sockets to add support for multiple stream inputs/outputs to fluent-ffmpeg.

const ffmpeg = require('fluent-ffmpeg')
const { StreamInput, StreamOutput } = require('fluent-ffmpeg-multistream')

ffmpeg()
  .input(StreamInput(readableStream1).url)
  .input(StreamInput(readableStream2).url)
  .output(StreamOutput(writableStream1).url)
  .output(StreamOutput(writableStream2).url)