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Forum Discussion
plex freeze on 4k Video
Hello,
I am having an issue with Plex Server on My Netgear,
I have 4K DTS 5.1 HDR video. (See full info Below and Plex Logs attached ) When I play on My Sony 4 TV via Plex, it plays ...
Model Product: ReadyNASRNDP4000
it works perfectly with other 4k content. (like a baby) but only some content (just content i have ) all other 95% works ok .
shafy wrote:
Model Product: ReadyNASRNDP4000
What firmware are you running on the NAS, and what version of plex are you running?
shafy wrote:
it works perfectly with other 4k content. (like a baby) but only some content (just content i have ) all other 95% works ok .
It could be mis-encoded (exceeding the specs for Main 10 profile) or somewhat corrupted content (a few garbled bits in the content) - especially if it is something downloaded. You could try remuxing it with MKVToolnix. Or perhaps try another player - looking for video artifacts around the freeze points.
FW: 6.9.4 (hotfix 1)
plex 6.12 (i downgraded to 6 .12 from the latest version, as someone was saying it might fix the issue. )
As you likely know, the ReadyNAS isn't capable of transcoding 4K content. But it is more than fast enough to stream it w/o transcoding. Still, you could try installing a plex server on a PC, and seeing if it can stream the content. Also, if you have another 4K player, then you could try that too.
Enabling ReadyDLNA, and playing the file with that might also be worth trying - ruling out a bug in Plex.
File-specific specific issues are somehow tied to the content itself. The puzzle is figuring out how. In general the issues can be
- the encoding (audio or video) uses a codec that the player can't handle, forcing plex to transcode
- part of the encoding exceeds the profile/level specifications, and the player can't handle it.
- there are errors in the compressed bits or the (MKV) container that are disrupting the player's decoding.
- the encoding includes a bitrate spike, and your network can't handle it.
With this file it isn't (1) since the player is managing to play some of it. It could be any of the other three though (or just a bug in plex).
On (3), you could converting the content off-line with plex, and see if that sucessfully converts the entire file (and if the converted file plays with no video or audio artifacts).
On (4) - is the path between the NAS and the player using a wifi or powerline link? Some Smart TVs use fast ethernet instead of gigabit, and that can also be a bottleneck for some 4K content.
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