Added simple MP3 support

app/ytdl.py

@@ -39,6 +39,14 @@ class Download:
         vfmt, afmt = '', ''
         if format == 'mp4':
             vfmt, afmt = '[ext=mp4]', '[ext=m4a]'
+        elif format == 'mp3':
+            afmt = '/best'
+            ytdl_opts["writethumbnail"] = True
+            ytdl_opts["postprocessors"] = [
+                {"key": "FFmpegExtractAudio", "preferredcodec": "mp3"},
+                {"key": "EmbedThumbnail"},
+            ]
+
         if quality == 'best':
             self.format = f'bestvideo{vfmt}+bestaudio{afmt}/best{vfmt}'
         elif quality in ('1440p', '1080p', '720p', '480p'):

ui/src/app/app.component.ts

@@ -24,7 +24,8 @@ export class AppComponent implements AfterViewInit {
   quality: string;
   formats: Array<Object> = [
     {id: "any", text: "Any"},
-    {id: "mp4", text: "MP4"}
+    {id: "mp4", text: "MP4"},
+    {id: "mp3", text: "MP3"}
   ];
   format: string;
   addInProgress = false;