server/controllers/SessionController.js

@@ -288,12 +288,7 @@ class SessionController {
       return res.sendStatus(404)
     }
 
-    let audioTrack = playbackSession.audioTracks.find((t) => toNumber(t.index, 1) === audioTrackIndex)
-
-    // Support clients passing 0 or 1 for podcast episode audio track index (handles old episodes pre-v2.21.0 having null index)
-    if (!audioTrack && playbackSession.mediaType === 'podcast' && audioTrackIndex === 0) {
-      audioTrack = playbackSession.audioTracks[0]
-    }
+    const audioTrack = playbackSession.audioTracks.find((t) => t.index === audioTrackIndex)
     if (!audioTrack) {
       Logger.error(`[SessionController] Unable to find audio track with index=${audioTrackIndex}`)
       return res.sendStatus(404)

server/models/PodcastEpisode.js

@@ -185,7 +185,6 @@ class PodcastEpisode extends Model {
     const track = structuredClone(this.audioFile)
     track.startOffset = 0
     track.title = this.audioFile.metadata.filename
-    track.index = 1 // Podcast episodes only have one track
     track.contentUrl = `/api/items/${libraryItemId}/file/${track.ino}`
     return track
   }