WDYM by "uncompressed"? A truly uncompressed 4K HDR movie needs about 6Gbit/s of goodput. A 2.5Gbit/s link won't be enough for that.
Straight rip from disc. Bandwidth was never a problem with Plex. However another comment got me up and running.
I see. In future, better refer to this as "ripped blu-rays" or "ripped ISOs" to avoid confusion. "uncompressed" really does mean something entirely different.
Glad you managed to sort it out :)
4K@60 with 4:4:4 and HDR is 18Gbps of bandwidth.
If you take a look at my calculation, I'm assuming 24fps because this is a movie.
Yeah, I saw it. I was just giving more information.
Have you checked and enabled hardware acceleration?
Support and troubleshooting steps are dependent on your GPU and OS.
Should that matter for direct play? On Plex I never used hardware acceleration and focused on my media player being able to play everything. My client is a full PC, with an Nvidia GPU on Windows. The client doesn't seem to be using it from what I can tell.
Am I misunderstanding this? Is a client setup here different from the server?
In my personal experience the jellyfin clients just aren't as good. I play my whole jellyfin library through Kodi and everything direct plays without issue.
Same here, all my 4k players run Kodi/CoreELEC with the Jellyfin plugin.
Don't like the default clients either, I use Delfin on Linux and Findroid on Android
Try jellyfin-mpv-shim. It directly uses mpv (either a built in version or even your system mpv) and if it doesn't play well there, it's likely not going to play well anywhere.
So far this is working pretty well! Shame it's such a pain doing the extra step
You can also use jellyfin media player that uses mpv too.
What OS are you watching on? There are some third-party clients that might work better. For example, Delfin on Linux and Findroid on Android.
Windows for no, but going to switch it hopefully to chimera
What browser are you using? Is your CPU usage usually high during playback? If so your system isn't using hardware decode
If you want direct play of the file, play around with different clients. Encoding 4k can be taxing on a system. Some jellyfin clients just don't support the media format for direct pass through.
Another thing to remember is the client needs to support decoding the video in hardware or have enough CPU to handle it in software. I have intel i7 (3rd gen) with no hardware HEVC/x265 support but it has enough CPU to power through.
What's your CPU load look like? You may need to setup hardware acceleration and enable transcoding
but more like playing a video game and it drops down to 15fps
Likely not a server-side problem (check CPU usage on the server), if the server was struggling to transcode I think it would result in the playback pausing, and resuming when the encoder catches up. Network/bandwidth problems would result in buffering. This looks like a bad playback performance problem, what client are you using? Try with multiple clients (use the web interface ina browser as a baseline) and see if it makes any difference.
I was having issues a few weeks ago, using the Jellyfin client on the Google TV w/ Chromecast, and a lot of them were solved by reinstalling the app.
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