Merge pull request #91 from jambonz/fix/diff_playht_voice_quality

fix playht has stream and cached audio differrent quality

lib/utils.js

@@ -48,16 +48,25 @@ function getFileExtension({vendor, renderForCaching = false}) {
     case 'deepgram':
     case 'elevenlabs':
     case 'rimlabs':
-      if (!renderForCaching && !JAMBONES_DISABLE_TTS_STREAMING) {
+    case 'playht':
-        return r8Extension;
+      if (renderForCaching || JAMBONES_DISABLE_TTS_STREAMING) {
-      } else {
         return mp3Extension;
+      } else {
+        return r8Extension;
       }
     case 'nuance':
     case 'nvidia':
     case 'verbio':
       return r8Extension;
     default:
+      // If vendor is custom
+      if (vendor.startsWith('custom')) {
+        if (renderForCaching || JAMBONES_DISABLE_TTS_STREAMING) {
+          return mp3Extension;
+        } else {
+          return r8Extension;
+        }
+      }
       return mp3Extension;
   }
 }