@calipsa/video-utils/src/imagesToVideoStream/index.ts

Video utilities

import { Writable } from 'stream'

import { Converter } from 'ffmpeg-stream'

import type { PathOrReadable } from '../types'

import getFfmpegOptions from './getFfmpegOptions'
import streamImages from './streamImages'

type Format = 'wmv' | 'mp4'

interface Params {
  images: PathOrReadable[],
  format: Format,
  fps: number,
}

export default ({
  images,
  format,
  fps,
}: Params) => {
  const converter = new Converter()

  const input = converter.createInputStream({
    f: 'image2pipe',
    r: fps,
  }) as Writable

  const output = converter.createOutputStream(getFfmpegOptions(format))

  streamImages(images, input)
  converter.run()

  return output
}