server/managers/PodcastManager.js

@@ -121,17 +121,28 @@ class PodcastManager {
       await fs.mkdir(this.currentDownload.libraryItem.path)
     }
 
-    // Download episode and tag it
-    const ffmpegDownloadResponse = await ffmpegHelpers.downloadPodcastEpisode(this.currentDownload).catch((error) => {
-      Logger.error(`[PodcastManager] Podcast Episode download failed`, error)
-    })
-    let success = !!ffmpegDownloadResponse?.success
+    let success = false
+    if (this.currentDownload.isMp3) {
+      // Download episode and tag it
+      const ffmpegDownloadResponse = await ffmpegHelpers.downloadPodcastEpisode(this.currentDownload).catch((error) => {
+        Logger.error(`[PodcastManager] Podcast Episode download failed`, error)
+      })
+      success = !!ffmpegDownloadResponse?.success
 
-    // If failed due to ffmpeg error, retry without tagging
-    // e.g. RSS feed may have incorrect file extension and file type
-    // See https://github.com/advplyr/audiobookshelf/issues/3837
-    if (!success && ffmpegDownloadResponse?.isFfmpegError) {
-      Logger.info(`[PodcastManager] Retrying episode download without tagging`)
+      // If failed due to ffmpeg error, retry without tagging
+      // e.g. RSS feed may have incorrect file extension and file type
+      // See https://github.com/advplyr/audiobookshelf/issues/3837
+      if (!success && ffmpegDownloadResponse?.isFfmpegError) {
+        Logger.info(`[PodcastManager] Retrying episode download without tagging`)
+        // Download episode only
+        success = await downloadFile(this.currentDownload.url, this.currentDownload.targetPath)
+          .then(() => true)
+          .catch((error) => {
+            Logger.error(`[PodcastManager] Podcast Episode download failed`, error)
+            return false
+          })
+      }
+    } else {
       // Download episode only
       success = await downloadFile(this.currentDownload.url, this.currentDownload.targetPath)
         .then(() => true)

server/objects/PodcastEpisodeDownload.js

@@ -63,6 +63,16 @@ class PodcastEpisodeDownload {
     const enclosureType = this.rssPodcastEpisode.enclosure.type
     return typeof enclosureType === 'string' ? enclosureType : null
   }
+  /**
+   * RSS feed may have an episode with file extension of mp3 but the specified enclosure type is not mpeg.
+   * @see https://github.com/advplyr/audiobookshelf/issues/3711
+   *
+   * @returns {boolean}
+   */
+  get isMp3() {
+    if (this.enclosureType && !this.enclosureType.includes('mpeg')) return false
+    return this.fileExtension === 'mp3'
+  }
   get episodeTitle() {
     return this.rssPodcastEpisode.title
   }