Can't play 25fps at 50hz anymore

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1

Suddenly I am no longer able to play my movies running 25fps anymore when they are running at 50hz. I’ve been running them many times before without issues, but now they keep freezing for a couple of seconds every few seconds for no obvious reason. I’m running rasplex interface at 1080p and 60hz with “adjust display refresh rate” enabled. So when I run 25fps files my tv will switch to 50hz instead of 60hz and this will make it freeze and stutter. I can run the files without issues if I disable “adjust display refresh rate” and set the refresh rate to 25hz, but switching it to 50hz wil make it freeze. Also with “adjust display refresh rate” disabled.
When I run 24fps files I have no problems at all with “adjust display refresh rate” enabled and I didn’t use to have it with 25fps either. I’ve tried to restart the tv, the RPi3 and the Nas it’s running from, but to no avail.
I have two samsung tv’s but it’s only happening on the older version.
Does anyone have any idea what’s causing this or even better, how to fix it.

2

Have you by any chance upgraded your PMS?

3

@nilsv said:
Have you by any chance upgraded your PMS?
That’s very likely. Right now I’m running v. 1.1.4.2757 on a QNAP ts-251+ Nas server. You think this could have any effect on the problem discribed?

4

Yes, if your clients are forcing the server to transcode, server version upgrades come into play.
Can you force your clients to direct play / original quality?

5

You need this Settings at your Client:

Adjust display refresh rate: OFF
Sync Playback with Display: ON
Vertical Blank Sync: OFF

The Trick is to switch off the Vertical Blank Sync :)>-

6

I seem to have solved the problem. It seems to have been related to an insufficient power supply. I sometimes got the little colored box in the top right corner, so I bought a more powerful power supply and now the problem seem to be gone. I had no idea that framerate issues could be related to a power supply, but apparently it can.
Thank you guys for helping out, trying to solve this.

7

The PowerSupply dosnt relate to “this” problem - it was an “another” problem, but good, that this is solved too.

8

@zonediver said:
You need this Settings at your Client:

Adjust display refresh rate: OFF
Sync Playback with Display: ON
Vertical Blank Sync: OFF

The Trick is to switch off the Vertical Blank Sync :)>-

Well that really helped me out on some pal programs I have and I thought I had to remux them