Thanks all. I know we have a work around (Downgrading the server).
I did do some more testing tonight, and my iOS devices with the latest beta do play fine with server 1.15.x and the enhanced player. It’s strictly the new Apple TV 2.0/2.0.1 that’s having issues.
@chfredrickson
this is still a problem with experimental player on IOS 5.14
Just thought I would add to this.
I hit this error last night on my Dad’s ATV 4K. He’s a home user on my server. The error only occurred logged in as him. Logged in as me, it played fine.
I presumed it was to do with having the enhanced player turned on, but he doesn’t have a plex pass, only I do. I didn’t have time to play too much as it was late, so ended up telling him to just log in as me to play those files.
Good news…today’s iOS beta 5.16 seems to have corrected the issue with TrueHD audio on portables. It transcodes to FLAC now.
Hopefully the AppleTV beta comes soon.
Unfortunately it looks like the latest AppleTV beta, even though it advertises the fix, doesn’t correct the issue with TrueHD.
Today’s 2.3 release unfortunately doesn’t fix theTrueHD issue. I’m still seeing the same “Couldn’t create the playback session for this item” error.
After upgrading to the 2.4 beta (12618) today, I believe the error is occurring with tvOS clients that operate remotely.
Typically, I leave the “Internet Streaming” setting to Maximum for remote clients, as I do not usually run into bandwidth issues, however I noticed that if I change the setting to “20 mbps” videos with TrueHD will not generate the “Couldn’t create the playback session” error and will in fact play.
However, it is causing another issue…if I have videos with TrueHD audio selected and “Internet Streaming” set to 20mbps, the tvOS client appears to ignore this setting and instead transcode the video down to 1mbps SD, even though I’m no where near saturating my bandwidth.
I’ve also confirmed that the media quality settings are set to “Play original” quality.
@dklein the problem was we were forcing TrueHD streams to be converted to FLAC, and when the quality is limited (like it is by default for remote servers), the server can’t find a way to embed a FLAC audio stream and fails with the error you posted originally.
The fix released in 5.16/2.3 makes the app only request TrueHD->FLAC conversion when the quality is set to maximum. Otherwise, the app will give a bunch of options to the server and will usually end up converting the audio stream to OPUS.
Does this match with what you see since 2.3?
That is also weird. Could you reproduce that issue and share app and server logs with me?
Thank you!
TrueHD with Enhanced player still broken. 
edit: turned “auto adjust quality” to on.
direct streaming video, and trancoding truehd to eac7,1! yay.
auto adjust quality, silently disables enhanced player
Broken how exactly?
Please post a screen shot of the Now Playing section from the Server Dashboard (via the web browser) during playback.
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