✨ Add ffmpeg check

index.js

@@ -1,3 +1,5 @@
+process.env.YTDL_NO_UPDATE = true;
+
 module.exports = {
     version: require('./package.json').version,
     Player: require('./src/Player')

package.json

@@ -31,6 +31,7 @@
   "homepage": "https://github.com/Androz2091/discord-player#readme",
   "dependencies": {
     "@types/node": "^14.14.7",
+    "chalk": "^4.1.0",
     "discord-ytdl-core": "^5.0.0",
     "merge-options": "^3.0.4",
     "moment": "^2.27.0",
@@ -38,7 +39,7 @@
     "soundcloud-scraper": "^4.0.0",
     "spotify-url-info": "^2.2.0",
     "youtube-sr": "^2.0.5",
-    "ytdl-core": "^4.4.0"
+    "ytdl-core": "^4.4.2"
   },
   "devDependencies": {
     "@discordjs/opus": "^0.3.2",

src/Player.js

@@ -94,6 +94,8 @@ class Player extends EventEmitter {
          * @type {Util}
          */
         this.util = Util
+        this.util.checkFFMPEG();
+
         /**
          * Discord.js client instance
          * @type {Discord.Client}
@@ -731,6 +733,8 @@ class Player extends EventEmitter {
 
     _playYTDLStream (queue, updateFilter) {
         return new Promise((resolve) => {
+            const ffmeg = this.util.checkFFMPEG();
+            if (!ffmeg) return;
             const seekTime = updateFilter ? queue.voiceConnection.dispatcher.streamTime + queue.additionalStreamTime : undefined
             const encoderArgsFilters = []
             Object.keys(queue.filters).forEach((filterName) => {

src/Util.js

@@ -1,5 +1,6 @@
 const ytsr = require('youtube-sr')
 const soundcloud = require('soundcloud-scraper')
+const chalk = require('chalk')
 
 const spotifySongRegex = (/https?:\/\/(?:embed\.|open\.)(?:spotify\.com\/)(?:track\/|\?uri=spotify:track:)((\w|-){22})/)
 const spotifyPlaylistRegex = (/https?:\/\/(?:embed\.|open\.)(?:spotify\.com\/)(?:playlist\/|\?uri=spotify:playlist:)((\w|-){22})/)
@@ -10,6 +11,21 @@ module.exports = class Util {
         throw new Error(`The ${this.constructor.name} class may not be instantiated.`)
     }
 
+    static checkFFMPEG () {
+        try {
+            const prism = require('prism-media')
+            prism.FFmpeg.getInfo()
+            return true;
+        } catch (e) {
+            this.alertFFMPEG();
+            return false;
+        }
+    }
+
+    static alertFFMPEG () {
+        console.log(chalk.red('ERROR:'), 'FFMPEG is not installed. Install with "npm install ffmpeg-static" or download it here: https://ffmpeg.org/download.html.');
+    }
+
     static isVoiceEmpty (channel) {
         return channel.members.filter((member) => !member.user.bot).size === 0
     }