Videos encoded with Opus 5.1 don't play properly on some stereo clients

[SmearyThrower]

Describe The Bug
Videos encoded with Opus 5.1 codec are not being played properly on some stereo clients(only tested on web player Android). which causes distorted audio.

Expected Behavior
The videos should be played with played as expected without transcoding or worst case should be direct streamed to stereo for clients that do not support surround sound.

Screenshots

lv_0_20240509230036.mp4

[This issue has been replicated across multiple files. Files one and two, both encoded with Opus 5.1, exhibit the problem, while file three, encoded with Opus 2.0, plays correctly.]

lv_0_20240509230429.mp4

[How file one is supposed to sound.]

System (please complete the following information):

• Platform: Android 14
• Browser: Chrome/WebView 124
• Jellyfin Version: 10.9

[Ewillian9]

I had similar issues too, no idea if it also apply on 7.1

[gnattu]

See jellyfin/jellyfin-ffmpeg#386