Add livestream support

package.json

@@ -25,6 +25,7 @@
   },
   "devDependencies": {
     "@types/bluebird": "^3.5.30",
+    "@types/fluent-ffmpeg": "^2.1.14",
     "@types/fs-capacitor": "^2.0.0",
     "@types/node": "^13.9.1",
     "@types/spotify-web-api-node": "^4.0.1",
@@ -68,6 +69,7 @@
     "delay": "^4.3.0",
     "discord.js": "^12.0.2",
     "dotenv": "^8.2.0",
+    "fluent-ffmpeg": "^2.1.2",
     "fs-capacitor": "^6.1.0",
     "got": "^10.6.0",
     "hasha": "^5.2.0",
@@ -76,7 +78,6 @@
     "make-dir": "^3.0.2",
     "node-emoji": "^1.10.0",
     "p-limit": "^2.2.2",
-    "prism-media": "^1.2.1",
     "sequelize": "^5.21.5",
     "sequelize-typescript": "^1.1.0",
     "spotify-uri": "^2.0.0",

src/services/player.ts

@@ -1,12 +1,12 @@
 import {inject, injectable} from 'inversify';
 import {VoiceConnection, VoiceChannel} from 'discord.js';
 import {promises as fs, createWriteStream} from 'fs';
-import {Readable} from 'stream';
+import {Readable, PassThrough} from 'stream';
 import path from 'path';
 import hasha from 'hasha';
 import ytdl from 'ytdl-core';
 import {WriteStream} from 'fs-capacitor';
-import prism from 'prism-media';
+import ffmpeg from 'fluent-ffmpeg';
 import {TYPES} from '../types';
 import Queue, {QueuedSong} from './queue';
 
@@ -185,7 +185,13 @@ export default class {
     let format = formats.find(filter);
     let canDirectPlay = true;
 
-    const nextBestFormat = (formats: ytdl.videoFormat[]): ytdl.videoFormat => {
+    const nextBestFormat = (formats: ytdl.videoFormat[]): ytdl.videoFormat | undefined => {
+      if (formats[0].live) {
+        formats = formats.sort((a, b) => (b as any).audioBitrate - (a as any).audioBitrate); // Bad typings
+
+        return formats.find(format => [128, 127, 120, 96, 95, 94, 93].includes(parseInt(format.itag as unknown as string, 10))); // Bad typings
+      }
+
       formats = formats
         .filter(format => format.averageBitrate)
         .sort((a, b) => b.averageBitrate - a.averageBitrate);
@@ -195,6 +201,11 @@ export default class {
     if (!format) {
       format = nextBestFormat(info.formats);
       canDirectPlay = false;
+
+      if (!format) {
+        // If still no format is found, throw
+        throw new Error('Can\'t find suitable format.');
+      }
     }
 
     const cacheTempPath = this.getCachedPathTemp(url);
@@ -209,25 +220,14 @@ export default class {
     if (canDirectPlay) {
       youtubeStream = ytdl.downloadFromInfo(info, {format});
     } else {
-      youtubeStream = new prism.FFmpeg({
-        args: [
-          '-reconnect',
-          '1',
-          '-reconnect_streamed',
-          '1',
-          '-reconnect_delay_max',
-          '5',
-          '-i',
-          format.url,
-          '-loglevel',
-          'verbose',
-          '-vn',
-          '-acodec',
-          'libopus',
-          '-f',
-          'webm'
-        ]
-      });
+      youtubeStream = ffmpeg(format.url).inputOptions([
+        '-reconnect',
+        '1',
+        '-reconnect_streamed',
+        '1',
+        '-reconnect_delay_max',
+        '5'
+      ]).noVideo().audioCodec('libopus').outputFormat('webm').pipe() as PassThrough;
     }
 
     const capacitor = new WriteStream();

yarn.lock

@@ -75,6 +75,13 @@
   resolved "https://registry.yarnpkg.com/@types/eslint-visitor-keys/-/eslint-visitor-keys-1.0.0.tgz#1ee30d79544ca84d68d4b3cdb0af4f205663dd2d"
   integrity sha512-OCutwjDZ4aFS6PB1UZ988C4YgwlBHJd6wCeQqaLdmadZ/7e+w79+hbMUFC1QXDNCmdyoRfAFdm0RypzwR+Qpag==
 
+"@types/fluent-ffmpeg@^2.1.14":
+  version "2.1.14"
+  resolved "https://registry.yarnpkg.com/@types/fluent-ffmpeg/-/fluent-ffmpeg-2.1.14.tgz#b21d60267fe269c2ea81fa3238a36a8349f8f2f3"
+  integrity sha512-nJrAX9ODNI7mUB0b7Y0Stx1a6dOpV3zXsOnWoBuEd9/woQhepBNCMeCyOL6SLJD3jn5sLw5ciDGH0RwJenCoag==
+  dependencies:
+    "@types/node" "*"
+
 "@types/fs-capacitor@^2.0.0":
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/@types/fs-capacitor/-/fs-capacitor-2.0.0.tgz#17113e25817f584f58100fb7a08eed288b81956e"
@@ -329,6 +336,11 @@ astral-regex@^1.0.0:
   resolved "https://registry.yarnpkg.com/astral-regex/-/astral-regex-1.0.0.tgz#6c8c3fb827dd43ee3918f27b82782ab7658a6fd9"
   integrity sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==
 
+async@>=0.2.9:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/async/-/async-3.2.0.tgz#b3a2685c5ebb641d3de02d161002c60fc9f85720"
+  integrity sha512-TR2mEZFVOj2pLStYxLht7TyfuRzaydfpxr3k9RpHIzMgw7A64dzsdqCxH1WJyQdoe8T10nDXd9wnEigmiuHIZw==
+
 asynckit@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/asynckit/-/asynckit-0.4.0.tgz#c79ed97f7f34cb8f2ba1bc9790bcc366474b4b79"
@@ -1038,6 +1050,14 @@ flatted@^2.0.0:
   resolved "https://registry.yarnpkg.com/flatted/-/flatted-2.0.1.tgz#69e57caa8f0eacbc281d2e2cb458d46fdb449e08"
   integrity sha512-a1hQMktqW9Nmqr5aktAux3JMNqaucxGcjtjWnZLHX7yyPCmlSV3M54nGYbqT8K+0GhF3NBgmJCc3ma+WOgX8Jg==
 
+fluent-ffmpeg@^2.1.2:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/fluent-ffmpeg/-/fluent-ffmpeg-2.1.2.tgz#c952de2240f812ebda0aa8006d7776ee2acf7d74"
+  integrity sha1-yVLeIkD4EuvaCqgAbXd27irPfXQ=
+  dependencies:
+    async ">=0.2.9"
+    which "^1.1.1"
+
 follow-redirects@1.5.10:
   version "1.5.10"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.5.10.tgz#7b7a9f9aea2fdff36786a94ff643ed07f4ff5e2a"
@@ -2128,7 +2148,7 @@ prepend-http@^1.0.1:
   resolved "https://registry.yarnpkg.com/prepend-http/-/prepend-http-1.0.4.tgz#d4f4562b0ce3696e41ac52d0e002e57a635dc6dc"
   integrity sha1-1PRWKwzjaW5BrFLQ4ALlemNdxtw=
 
-prism-media@^1.0.1, prism-media@^1.2.0, prism-media@^1.2.1:
+prism-media@^1.0.1, prism-media@^1.2.0:
   version "1.2.1"
   resolved "https://registry.yarnpkg.com/prism-media/-/prism-media-1.2.1.tgz#168f323712bcaacb1d70ae613bf9d9dc44cf43d4"
   integrity sha512-R3EbKwJiYlTvGwcG1DpUt+06DsxOGS5W4AMEHT7oVOjG93MjpdhGX1whHyjnqknylLMupKAsKMEXcTNRbPe6Vw==
@@ -2856,7 +2876,7 @@ which-pm-runs@^1.0.0:
   resolved "https://registry.yarnpkg.com/which-pm-runs/-/which-pm-runs-1.0.0.tgz#670b3afbc552e0b55df6b7780ca74615f23ad1cb"
   integrity sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs=
 
-which@^1.2.9:
+which@^1.1.1, which@^1.2.9:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/which/-/which-1.3.1.tgz#a45043d54f5805316da8d62f9f50918d3da70b0a"
   integrity sha512-HxJdYWq1MTIQbJ3nw0cqssHoTNU267KlrDuGZ1WYlxDStUtKUhOaJmh112/TZmHxxUfuJqPXSOm7tDyas0OSIQ==