Amazon Firestick 4k Gen 2 Only playing sound No picture or video

[majek718]

I have my Jellyfin server installed in a Docker running in the latest version (10.10.3). 4k videos plays fine on my PC browser and other device clients. But on my Amazon Firestick 4k which is connected to my TV via HDMI is not showing any videos and only playing sound. Even the media player controls are not showing. Some 4k videos works fine and plays well. There were only some that are not working. My TV is capable of playing different codecs and TVs browser can play the videos fine. It is only in Firestick that is showing this issue.

I tried different options such as setting my TV's HDMI format to "Enhanced HDMI" and switching on/off the Dolby Atmos settings but still not working.

I also tried setting Audio to "Downmix to stereo" instead of "Direct" on the playback options on the Android client and unchecking the "Bitstream Dolby Digital Audio." This seems to work but in just a short time it shows "Player error encountered. will re-try... Too many errors. Giving up."

Forcing transcoding by making the bitrate lower still with the Audio set to "Downmix to stereo" and the "Bitstream Dolby Digital Audio" still unchecked seems to work but my issue here is the playback is a bit laggy at times.

Here are some information about my setup:

Jellyfin Server:

• Installed in Docker using version 10.10.3
  
• Transcoding is enabled and using the settings in the screenshot
             
  
• The hardware of my server:
     - HP Elitedesk 800 G3
     - Intel® Core™ i3-6100T CPU @ 3.20GHz
     - OS: Ubuntu 22.04.5 LTS
     - 8GB RAM   
     - 500GB HDD
  

Television: Devant 65QUHV05 (Hisense Brand)

Jellyfin Client:

• Amazon Fire TV Stick 4K Streaming Media Player 2nd Gen 2023
  
• The Jellyfin for Android client that I am using is v0.18.2.
  

Here are some of the logs for my video playback (Only Movie name is changed):

FFmpeg.DirectStream logs:
https://pastebin.com/6QpVaN9s

Jellyfin Logs:
https://pastebin.com/f4u52C0F