Merge pull request #221 from georgekav2/feature/m4a_support

Add m4a support and explicit audio format

app/dl_formats.py

@@ -23,14 +23,13 @@ def get_format(format: str, quality: str) -> str:
         # Quality is irrelevant in this case since we skip the download
         return "bestaudio/best"
 
-    if format == "mp3":
+    if format in ("m4a", "mp3"):
         # Audio quality needs to be set post-download, set in opts
         return "bestaudio/best"
 
     if format in ("mp4", "any"):
         if quality == "audio":
             return "bestaudio/best"
-
         # video {res} {vfmt} + audio {afmt} {res} {vfmt}
         vfmt, afmt = ("[ext=mp4]", "[ext=m4a]") if format == "mp4" else ("", "")
         vres = f"[height<={quality}]" if quality != "best" else ""
@@ -60,12 +59,13 @@ def get_opts(format: str, quality: str, ytdl_opts: dict) -> dict:
     if "postprocessors" not in opts:
         opts["postprocessors"] = []
 
-    if format == "mp3":
+    if format in ("m4a", "mp3"):
         opts["postprocessors"].append({
             "key": "FFmpegExtractAudio",
-            "preferredcodec": "mp3",
+            "preferredcodec": format,
             "preferredquality": 0 if quality == "best" else quality,
         })
+
         opts["writethumbnail"] = True
         opts["postprocessors"].append({"key": "FFmpegThumbnailsConvertor", "format": "jpg", "when": "before_dl"})
         opts["postprocessors"].append({"key": "FFmpegMetadata"})

app/ytdl.py

@@ -234,7 +234,7 @@ class DownloadQueue:
             if not self.queue.exists(entry['id']):
                 dl = DownloadInfo(entry['id'], entry['title'], entry.get('webpage_url') or entry['url'], quality, format, folder)
                 # Keep consistent with frontend
-                base_directory = self.config.DOWNLOAD_DIR if (quality != 'audio' and format != 'mp3') else self.config.AUDIO_DOWNLOAD_DIR
+                base_directory = self.config.DOWNLOAD_DIR if (quality != 'audio' and format  not in ("m4a", "mp3")) else self.config.AUDIO_DOWNLOAD_DIR
                 if folder:
                     if not self.config.CUSTOM_DIRS:
                         return {'status': 'error', 'msg': f'A folder for the download was specified but CUSTOM_DIRS is not true in the configuration.'}

ui/src/app/app.component.ts

@@ -94,7 +94,7 @@ export class AppComponent implements AfterViewInit {
   }
 
   isAudioType() {
-    return this.quality == 'audio' || this.format == 'mp3';
+    return this.quality == 'audio' || this.format == 'mp3'  || this.format == 'm4a';
   }
 
   getMatchingCustomDir() : Observable<string[]> {

ui/src/app/formats.ts

@@ -22,6 +22,15 @@ export const Formats: Format[] = [
       { id: 'audio', text: 'Audio Only' },
     ],
   },
+  {
+    id: 'm4a',
+    text: 'M4A',
+    qualities: [
+      { id: 'best', text: 'Best' },
+      { id: '192', text: '192 kbps' },
+      { id: '128', text: '128 kbps' },
+    ],
+  },
   {
     id: 'mp4',
     text: 'MP4',