fix: improve audio filter when no language is selected

vitalygashkov · Nov 20, 2024 · 7424292 · 7424292
1 parent c087ece
commit 7424292
Showing 1 changed file with 9 additions and 3 deletions.
diff --git a/lib/track.js b/lib/track.js
@@ -46,9 +46,15 @@ const createAudioCodecFilter = (audios) => createCodecFilter(audios);
 const createAudioLanguageFilter = (audios) => {
   return (languages = [], maxTracksPerLanguage) => {
     if (!languages.length) {
-      for (const audio of audios) {
-        const alreadyAdded = languages.includes(audio.language);
-        if (!alreadyAdded) languages.push(audio.language);
+      const audiosWithLanguage = audios.filter((track) => track.language);
+      if (audiosWithLanguage.length) {
+        for (const audio of audiosWithLanguage) {
+          const alreadyAdded = languages.includes(audio.language);
+          if (!alreadyAdded) languages.push(audio.language);
+        }
+      } else {
+        audios.sort((a, b) => b.bitrate.bps - a.bitrate.bps);
+        return audios.slice(0, maxTracksPerLanguage);
       }
     }
     const filtered = [];