Preroll & trailers failing to play

Server Version#: 1.40.1.8227

Hello,

My preroll videos will no longer play. They are short AVC videos with DTS audio in an MKV container, so should be directly streamed to client such as web client and Roku TV. Now, Roku alternately fails playback after flashing the throbber loading percentage three times in rapid succession, or will show a throbber with no percentage then skip to the main feature instead. On web client, I get the message: “Conversion failed. The transcoder exited due to an error.” (should be directly playing it).

I’m not sure what has changed (nothing on my end), but they used to always play flawlessly. All relevant setting in my server and apps are correct (apps try their darndest to play them). I have attached the logs; kindly advise. Thank you!

Plex Media Server Logs_2024-03-24_23-27-02.zip (3.7 MB)

[EDIT] I just realized that trailers no longer play either; they do not even show up on the playlist the way the failing prerolls at least do. I haven’t changed anything there either since they last worked.

[EDIT 2]: One of them started to play again, the others will not. All three have identical video and audio codecs and muxed in a batch together in the same session with identical settings. Here is another log; preroll1.mkv and preroll2.mkv both fail, but preroll3.mkv is playing again. Again, I have not changed anything or updated PMS since; still on 1.40.1.8227 but considering trying the tonemapping beta.

Plex Media Server Logs_2024-03-27_21-21-02.zip (3.4 MB)

1 Like

Hi, trailers stopped working for me too and i’m seeing that ‘conversion failed’ message too. my plex server is run on windows 11.

i just restarted my server and my trailers seem to be playing without issue now (tested on plex web)

After updating PMS to Version 1.40.2.8395 (and updating Windows), all preroll videos play flawlessly now on web, but trailers still fail to load (tested on web app). When I play a movie, it loads a preroll video immediately (it does not even ‘try’ to play a trailer then skip it). Here’s another log:
Plex Media Server Logs_2024-04-19_16-38-33.zip (2.4 MB)

Update:

On Roku, prerolls still fail to load, loading to 30% then quickly start loading the actual movie file. Still no trailers to be seen. On web, prerolls will play, but again, no trailers.

Attempting to load prerolls on Roku:
Plex Media Server Logs_2024-04-23_05-47-04.zip (3.8 MB)

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