Playback stuttering during last few minutes of playback

Server Version#: 1.32.8.7639
Player Version#: 8.29
logging (3).zip (914.7 KB)
Plex Media Server Logs_2023-12-22_21-15-50.zip (3.5 MB)

AppleTV HD (1080p 2021): tvOS v17.2
Server OS: unRaid v6.12.4
Server Hardware: Mobo = Supermicro X10SLH-F/X10SLM F; CPU = Intel Xeon E3-1246 v3; RAM = 16gb DDR3 ECC

The playback is stuttering during the last few minutes (percent?). I can’t seem to correlate to a specific codec, file type, or color space. It does not seem to happen with all files. I only have a few users so it is rare for there to be more than 1 stream active at any given time. The example I captured today was with one direct play stream on my local network..

I read in a prior post that there has been a correlation between similar behavior and CPU throttling in AppleTVs. I have logs from the Plex app and the server, but am not sure how to identify if this is occurring. If there are additional logs or details needed from the Apple tvOS please let me know.

Ok after the holiday I have been able to do more testing and gather a bit more details about the files I observed the issue with recently. I’ve noted that 2 of the files are x265 HEVC and the 3rd is h264. I’ll put more details of the files.

File 1

  • QUALITY = Original 4.1 Mbps
    *CONTAINER = MKV --Direct Play
  • VIDEO = HEVC x265 64 bit 10 bit 1080p --Direct Play
  • AUDIO = EAC3 5.1 --Direct Play
  • SUBS = ENG SRT --Direct Play (not used)
  • NETWORK BANDWIDTH = 8.66 Mbps
  • OBR = 4.12 Mbps
  • FRAME RATE = 23.976
  • COLOR SPACE = YUV
  • COLOR PRIMARIES = blank

File 2

  • QUALITY = Original 4.0 Mbps
  • CONTAINER = MKV
  • VIDEO = HEVC 1080p x265 64 bit 10 bit ----Direct Play
  • AUDIO = EAC3 5.1 --Direct Play
  • SUBS = ENG SRT --Direct Play (not used)
  • NETWORK BANDWIDTH = 15.11 Mbps
  • OBR = 4.04 Mbps
  • FRAME RATE = 23.976
  • COLOR SPACE = YUV
  • COLOR PRIMARIES = blank

File 3

  • QUALITY = Original 7.0 Mbps
  • CONTAINER = MKV --Direct Play
  • VIDEO = H264 1080p --Direct Play
  • AUDIO = EAC3 Stereo --Direct Play
  • NETWORK BANDWIDTH = 12.58 Mbps
  • OBR = 7.05 Mbps
  • FRAME RATE = 25.000
  • COLOR SPACE = YUV
  • COLOR PRIMARIES = BT.709

Does bumping work on this site?
No replies in 2 weeks. I captured another set of logs today. But I don’t know what to look for. Any help at all trying to point me in the direction of any likely causes for stuttering at the end of playback?

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