ffmpeg-service/server/ffmpeg/encoder.mjs
2022-05-25 18:47:38 +00:00

65 lines
No EOL
1.4 KiB
JavaScript

import os from 'os'
import { EventEmitter } from 'events'
import { spawn, execSync } from 'child_process'
export default class Encoder extends EventEmitter {
constructor(opts = {}) {
super()
Object.assign(this, {
encoding: false,
program: 'ffmpeg.exe',
options: ['--help'],
processor: null,
})
}
start() {
if (this.processor) return
this.processor = spawn(this.program, this.options, {
shell: true,
})
this.encoding = true
this.emit('status', this.status())
this.processor.stdout.on('data', (data) => {
this.emit('stdout', data.toString())
})
this.processor.stderr.on('data', (data) => {
this.emit('stderr', data.toString())
})
this.processor.on('error', (err) => {
this.processor = null
this.encoding = false
this.emit('error', err)
this.emit('status', this.status())
})
this.processor.on('exit', (code) => {
this.processor = null
this.encoding = false
this.emit('exit', { code: code })
this.emit('status', this.status())
})
}
stop() {
if(os.platform() === 'win32'){
try {
execSync('taskkill /pid ' + this.processor.pid + ' /T /F')
} catch {}
} else {
this.processor.kill();
}
this.encoding = false
this.processor = null
}
status() {
return {
encoding: this.encoding,
}
}
}