import ffmpeg from 'fluent-ffmpeg'
import { writeFile, readFile, unlink } from 'fs-extra'
import { tmpdir } from 'os'
/** https://stackoverflow.com/questions/52156713/fluent-ffmpeg-h264-to-gif-throwing-error-1 */
const videoToGif = async (data: Buffer): Promise<Buffer> => {
const filename = `${tmpdir()}/${Math.random().toString(36)}`
const [video, gif] = ['video', 'gif'].map((ext) => `${filename}.${ext}`)
await writeFile(video, data)
await new Promise((resolve) => {
ffmpeg(video).save(gif).on('end', resolve)
})
const buffer = await readFile(gif)
;[video, gif].forEach((file) => unlink(file))
return buffer
}
export default videoToGif
