Plex media server transcoder issue with 4K movies on QNAP

Server Version#: 1.15.4.994
Player Version#: on LG 3.98.0, on Samsung 3.92.3, on Apple TV 2.1 (1)
NAS model# QNAP TVS 1282T3
NAS version# 4.3.6.0923
Switch model# Cisco SG250X-24 with 10gb/s gic port for QNAP server
TV model# LG Oled 65E6V
TV model#Samsung UE43LS003NA
Apple TV model# 4K 64gb
Network cables model# Cat. 6a
Movie model#

  • Codec HEVC

  • Débit 52701 kbps

  • Bit Depth 10

  • Chroma Subsampling 4:2:0

  • Color Primaries bt2020

  • Color Range tv

  • Color Space bt2020nc

  • Color Trc smpte2084

  • Frame Rate 23.976 fps

  • Height 2160

  • Niveau 5.1

  • Profile main 10

  • Ref Frames 1

  • Width 3840

  • Display Title 4K (HEVC Main 10 HDR)

  • Codec TRUEHD

  • Chaînes 8

  • Débit 3568 kbps

  • Langue Français

  • Audio Channel Layout 7.1

  • Bit Depth 24

  • Sampling Rate 48000 Hz

  • Titre TrueHD 7.1

  • Display Title Français (TRUEHD 7.1)

  • Codec DCA

  • Chaînes 6

  • Débit 2368 kbps

  • Langue Français

  • Audio Channel Layout 5.1(side)

  • Bit Depth 16

  • Profile ma

  • Sampling Rate 48000 Hz

  • Titre DTS-HDMA 5.1

  • Display Title Français (DTS-HD MA 5.1)

  • Codec AC3

  • Chaînes 6

  • Débit 448 kbps

  • Langue Français

  • Audio Channel Layout 5.1(side)

  • Sampling Rate 48000 Hz

  • Titre AC3 5.1

  • Display Title Français (AC3 5.1)

  • Codec TRUEHD

  • Chaînes 8

  • Débit 3579 kbps

  • Langue English

  • Audio Channel Layout 7.1

  • Bit Depth 24

  • Sampling Rate 48000 Hz

  • Titre TrueHD 7.1

  • Display Title English (TRUEHD 7.1)

  • Codec DCA

  • Chaînes 6

  • Débit 2363 kbps

  • Langue English

  • Audio Channel Layout 5.1(side)

  • Bit Depth 16

  • Profile ma

  • Sampling Rate 48000 Hz

  • Titre DTS-HDMA 5.1

  • Display Title English (DTS-HD MA 5.1)

  • Codec PGS

  • Langue Français

  • Header Compression true

  • Titre Forced

  • Display Title Français (PGS)

  • Codec PGS

  • Débit 19 kbps

  • Langue Français

  • Header Compression true

  • Titre French

  • Display Title Français (PGS)

I’m plex pass user and activate “hardware transcoding”

My Plex Media Server directory (and all files and sub directory) are on CH7777 mod on my QNAP.

During my tests, my CPU was not use more than 20% event I selected make my CPU suffering in the transcoder setup. My ram was not used more than 10%.

When I play the same movie on different devices I have the following problems

On Samsung
With 7.1 truehd or DTS-HD MA 5.1 and with or without subtitles. I don’t have any errors message in the console. but is buffering for long period of time every few minutes and I can’t watch this movie.

Apple TV
When I select 7.1 truehd and no subtiles is buffering for long period of time every few minutes and I can’t watch this movie.
I have those error messages
May 19, 2019 18:04:28.000 [0x7f0cffd11700] Erreur — [Transcoder] [truehd_eae @ 0x357fe80] EAE timeout! EAE not running, or wrong folder? Could not read ‘/share/CACHEDEV1_DATA/.qpkg/PlexMediaServer/Library/tmp/pms-736576cd-4af9-4f3c-ab7a-9269ea7eb04f/EasyAudioEncoder/Convert to WAV (to 8ch or less)/8F5CB866-9589-4FB6-AAD7-507F3C4325A6_27860-0-36.wav’
May 19, 2019 18:04:28.016 [0x7f0db520a700] Erreur — [Transcoder] [truehd_eae @ 0x357fe80] error reading output
May 19, 2019 18:04:28.016 [0x7f0ddc401700] Erreur — [Transcoder] Error while decoding stream #0:1: Input/output error

With 7.1 truehd or DTS-HD MA 5.1 and with subtitles. I don’t have any errors message in the console. but is buffering for long period of time every few minutes and I can’t watch this movie.

On LG
When I select 7.1 truehd and forced subtiles or no subtitles is buffering for long period of time every few minutes and I can’t watch this movie.
I have those error messages
May 19, 2019 18:16:20.000 [0x7f0d7dfc5700] Erreur — [Transcoder] [truehd_eae @ 0x37fbe80] EAE timeout! EAE not running, or wrong folder? Could not read ‘/share/CACHEDEV1_DATA/.qpkg/PlexMediaServer/Library/tmp/pms-736576cd-4af9-4f3c-ab7a-9269ea7eb04f/EasyAudioEncoder/Convert to WAV (to 8ch or less)/29hndh9pqdm42t9x9onj2kc6_6231-0-20.wav’
May 19, 2019 18:16:20.074 [0x7f0ccb735700] Erreur — [Transcoder] [truehd_eae @ 0x37fbe80] error reading output
May 19, 2019 18:16:20.074 [0x7f0d7dfc5700] Erreur — [Transcoder] Error while decoding stream #0:1: Input/output error

When I select DTS-HD MA 5.1 and forced subtitles is buffering for long period of time every few minutes and I can’t watch this movie.
I have this error message
May 19, 2019 12:33:11.682 [0x7f0d7f447700] Erreur — Unable to find client profile for device; platform=webOS, platformVersion=3.3.0, device=, model=OLED65E6V-Z

When I select DTS-HD MA 5.1 and no subtitles I can watch this movie. Even if I have this error message
May 19, 2019 18:20:38.546 [0x7f0d7ffff700] Erreur — Unable to find client profile for device; platform=webOS, platformVersion=3.3.0, device=, model=OLED65E6V-Z

Can somebody help to solve my issues, please ?

I really, would like to enjoy a 4K movie with all the material that I bought for.

Thanks.

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