import Ffmpeg from 'fluent-ffmpeg'
import { readFile } from 'fs-extra'
import { tmpdir } from 'os'
const crop = async (filename: string): Promise<Buffer> => {
const file = await new Promise<string>((resolve) => {
const name = `${tmpdir()}/${Math.random().toString(36)}.webp`
Ffmpeg(filename)
// eslint-disable-next-line no-useless-escape
.outputOptions([
'-vcodec',
'libwebp',
'-vf',
// eslint-disable-next-line no-useless-escape
`crop=w='min(min(iw\,ih)\,500)':h='min(min(iw\,ih)\,500)',scale=500:500,setsar=1,fps=15`,
'-loop',
'0',
'-preset',
'default',
'-an',
'-vsync',
'0',
'-s',
'512:512'
])
.save(name)
.on('end', () => resolve(name))
})
return await readFile(file)
}
export default crop
