Audio/Video Skipping Issues

Hello All,

I have a weird issue that I cannot find anything like it before so in case I missed it and there’s a thread, please direct me to there.

Anyway, I run a Windows 2012R2 PMS on a pretty beefy Dell Precision machine and have not had any issues in the past 18 months I’ve been running it. I recently updated my media library and all of these files play flawlessly on all client devices OUTSIDE my network. To put it into perspective, I am currently on a military base in Afghanistan with a 6 Mbps down connection and can stream these files from my house in the U.S, some 6000 miles away, using a 720p 2 Mbps playback quality on my device.

But my wife said a few of the files that were recently added, when being played on our Roku, the video and audio is skipping and stuttering, not buffering (the little spinning icon never appears). I remoted into my PMS and tried playing the direct files from the hard drive on VLC and they play just fine with no issues but when I tried playing it inside the PMS, I saw the skipping/stuttering. I tried bumping the player quality down to 720p 2 Mbps and it still skipped/stuttered. This persisted on a few other devices connected to our WiFi. My wife tried using her cell phone on a cell network, not connected to the home wifi, using all availabile qualities of playback and the videos play flawlessly.

Here is what all I had her try:

-Rebooted the WiFi Network
-Rebooted all the client devices in the WiFi network.
-Rebooted the PMS
-I did just yesterday, before this reared its head, updated to the most recent update and I have not tried downgrading.

Again, this only happens on a few of the files that I added.

All of my video files are encoded through handbrake as MP4’s with H.264 for direct play purposes and I’ve never had a problem with them and therefore have not tried optimizing these files but since this seems to be an issue inside my own network, I don’t think that’d help.

And I don’t see how it would have to do anything with my home network as the vast majority of my library streams with no issues. It’s just a few files that I have added that are doing this. I could try to reencode the files but I still don’t understand why they play flawlessly outside my network, just not in my home network.

Any advice is appreciated.

I suspect your problem relates to the fact that you just updated your PMS. I and at least one other user started having similar problems just after updating to the 1.18 version, and the problems went away after rolling back to the previous 1.17 version (see thread here: How to roll back to earlier PMS version on QNAP NAS? ). That was on a QNAP NAS, so I’m not sure if it’s the same with the version on your machine, but it seems like a pretty big coincidence if not.

Thanks for your service, BTW.

Yep, definitely the update… Rolled back and seems to be good to go. Seems to be having an effect on all PMS platforms.

I appreciate it!

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