Constant pausing of playback

Hi - this is driving me nuts. Installed the xbox one client and upgraded server. Xbox sees the server and can browse and play files - all seems well until it plays back.

 

I get constant pausing, at its worst every 6-7 seconds it pauses for 5-6 seconds, sometime it manages upto 15-20 seconds before pausing. These are mkv files varying 720p and 1080p and bit rate seems to be around 5mb/sec.

 

Log file attached.

 

Hope someone can help fix this.

 

ps. I am on the XBOX beta thing were I get updates early in case that make any difference.

 

Just a bit of additional info - the PMS is running on a Core i5 Lenovo Twist and it claims it is direct streaming the video. While playing the CPU usage on the PMS bounces around 4-5% so no bottleneck there. I'm at my apartment at the moment (I work away during the week) which has everything connected by wireless. When I'm home at the weekend I'll try the same thing (similar setup at home) but the home setup is wired gigabit. I still think the problem is around the PMS is not keeping the XBOX buffer filled.

What are you running your server on?  MKV files are currently transcoded as noted in multiple other threads.  If you are running it on a NAS, like me, you will notice your poor NAS sitting at 100% CPU trying to keep up, but failing.  Hence the pausing.

What are you running your server on?  MKV files are currently transcoded as noted in multiple other threads.  If you are running it on a NAS, like me, you will notice your poor NAS sitting at 100% CPU trying to keep up, but failing.  Hence the pausing.

I don't think this is right.  My Plex server is running on a Synology NAS and I see no impact on its CPU utilization when playing 1080p MKV files.  I got rid of this issue by doing two things:

1. Uninstall and reinstall Plex.

2. Make sure the video playback setting is set to highest quality.

My Story

 

I was so psyched last night. I installed the new Xbox One App, upgraded my PMS, and began talking to Plex.

 

I yelled excitedly at my television "Xbox Goto Plex" ... I logged in, it found my server, and there were my movies...flawless!

 

The ease to which I could now interact with my library, I boasted "Select 1" and there was my movie...flawless!

 

I thought to myself, "I've waited so long, this experience must be perfect." So I delayed my gratification a few moments longer.

 

I popped some popcorn, grabbed my favorite blanket, turned out the lights, and as I curled up on the couch the anticipation overwhelmed me and I verbally exploded  "XBOX PLAY" all up in my Kinect microphone and I was satisfied and life was good.

 

I continued to watch my choice movie, and the picture was clear and the audio was great, and then it paused. 

 

Did I accidentally hit pause, I must have, I thought.

 

1. "Xbox Play" ....nothing ...

2. "Xbox Select" ...what??? it is playing? no it's clearly paused, I thought, let me just restart it, probably a fluke...

3. "Xbox Go back", "Xbox Play", "resume"  ...and we're back, life is good

   

(26 seconds later: repeat steps 1 - 3, add curse words)

 

...after repeating steps 1 - 3 at least 20 times, I had come to the conclusion that i was stuck in a loop (expressed in PHP for your enjoyment)

while( $i < $too_pissed_at_plex_app ){ 
    echo $curseWord[$i++];
    if( $i == $too_pissed_at_plex_app ) return $toChromecast;
    else echo $Xbox_Select . $Go_back . $Play . $Resume; 
}

...and I would need to return to something I knew would work...Chromecast (at least for now)

 

 

 

 

Here's what I've found so far from my experiences...let me know if you need anything else or have any questions.

 

 

Issue(s) Description:

  1. Video playback pauses/hangs at random intervals
    • What I mean by 'random intervals'
      • sometimes playback lasts a few seconds before pause/hang
      • sometimes playback lasts a few minutes or even half a movie
      • same video file will not hang at the same points when played back multiple times
    • What I mean by 'pauses/hangs'
      • during pause/hang
        • the video appears to be paused (picture remains on screen, but playback does continue)
        • but an inspection of the player controls at the bottom shows that it is still playing
        • and clicking play or pause does nothing
      • resuming after pause/hang
        • sometimes the video will resume on its own after a period of time (anywhere from a few seconds to a few minutes)
        • other times only exiting playback completely and re-playing from resume point will get the video to play again 
        • and once resumed it will have no trouble continuing on past the point where the pause/hang occurred before
  2. Video skips/jumps/twitches during playback
    • there are noticeable jumps between frames that makes the playback seem twitchy
    • almost appears that audio/video are out of sync for a few ms before it is corrected by the player
    • these happen at random intervals as well

 

My Setup

  • Xbox One Plex Version 1.0.0.9
  • Plex Media Server Version 0.9.10.3
    • installed on Windows 8.1 (up to date as of 10/7)
    • running as a service with -noninteractive flag
    • NOTE: Running PMS normally (not as a service and without the -noninteractive flag) makes no difference, issues still occur.

 

Troubleshooting

  • Multiple File Types Tested
    • found to be occurring during playback of .mkv .mp4 .avi
    • several different video files for each format were tested (each file was less than 1 GB)
    • all files played back perfectly on other devices (Android, Web, Chromecast) at the same time as playback issue was occurring on Xbox One
  • After Reboot PC & Hard Reboot Xbox One and/or Restarting PMS manually 
    • sometimes the issues appear to stop all together (for a while)
    • other times the issues above happen again immediately
    • but, the issues always resurface after time

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