Unknown error OR buffering on 2021 Samsung TV

Server Version#: 1.18.5.2309
Player Version#: 5.33.1

Hello, I recently switched from my 2014 samsung TV (UE48H5500) to 2021 Samsung TV (QE55QN95) which means I switched from very old Plex player (version 2. something) to the newest one available for Tizen TV. It was looking great, the overall smoothness and system speed, but unfortunately, I am NOT able to play anything that is not H.264.
To give you a bit of detail, I have very low-performance server Synology DS215j, which is not able of transcoding anything. However, it has never been issue for my old tv and old plex while direct-playing. On my new TV, anything that is avi or H.265 either gets “unknown error” or it buffers every 3 seconds, which means it is not usable. I can somehow play videos if I change the video quality to the lowest one possible, but it is not a solution.
I tried changing the Plex server version on my Synology, I tried checking and un-checking those “allow direct streaming” and “allow direct playing” tickboxes in the app, I switched from wifi to cable and back, but nothing is working. It cannot be a network issue, as any other content on the tv (IPTV, Netflix, Youtube) works flawlessly.
If I turn on the old tv with old Plex, everything works in this very moment, which makes me extremely frustrated.
In the old Plex app, I was able to manually set buffer values, which I had and it was working fine, I didnt have any buffer-related issues there, only the videos were starting a bit longer.
I understand one solution would be to convert everything I have to h.264 - which is a lot of work, another would be to use my Xbox for Plex (which I dont prefer, since I have to use another controller), the last one to build a better server capable of transcoding, but why, if it used to work with the old app.
Any help would be appreciated! :slight_smile:

Try playing again, and right after that it fails, upload your PMS logs in a zip file

Plex Media Server Logs_2022-03-17_16-26-13.zip (5.0 MB)

Here you are, did as you said, played 2 or 3 videos, got unknown errors or buffering & error in the end.

From your logs

Mar 17, 2022 16:23:22.546 [0x2dcc7450] INFO - Plex Media Server v1.18.5.2309-f5213a238 - Synology DS215j armv7l - build: linux-armv7hf_neon synology - GMT 01:00

Please upgrade your PMS

Plex Media Server Logs_2022-03-17_21-16-18.zip (4.9 MB)

Done, with the latest version of the PMS, it doesnt even go to buffer the videos, it immediately says “unknown error” whereas the older PMS let it buffer for a while.

From your log:

Mar 17, 2022 21:11:17.572 [0x30471d48] DEBUG - [Transcode] MDE: Selected protocol dash; container: mp4
Mar 17, 2022 21:11:17.572 [0x30471d48] DEBUG - [Transcode] MDE: analyzing media item 99
Mar 17, 2022 21:11:17.572 [0x30471d48] DEBUG - [Transcode] MDE: Jak dostat tatínka do polepšovny (1978): Direct Play is disabled
Mar 17, 2022 21:11:17.572 [0x30471d48] DEBUG - [Transcode] MDE: Jak dostat tatínka do polepšovny (1978): media must be transcoded in order to use the dash protocol
Mar 17, 2022 21:11:17.572 [0x30471d48] DEBUG - [Transcode] MDE: Jak dostat tatínka do polepšovny (1978): no direct play video profile exists for http/avi/mpeg4
Mar 17, 2022 21:11:17.573 [0x30471d48] DEBUG - [Transcode] MDE: Jak dostat tatínka do polepšovny (1978): no direct play video profile exists for http/avi/mpeg4/mp3
Mar 17, 2022 21:11:17.573 [0x30471d48] DEBUG - [Transcode] MDE: Jak dostat tatínka do polepšovny (1978): Direct Streaming is disabled, so video stream will be transcoded
Mar 17, 2022 21:11:17.573 [0x30471d48] DEBUG - [Transcode] MDE: Jak dostat tatínka do polepšovny (1978): no remuxable profile found, so video stream will be transcoded
Mar 17, 2022 21:11:17.574 [0x30471d48] DEBUG - [Transcode] MDE: Cannot direct stream video stream due to profile or setting limitations
Mar 17, 2022 21:11:17.574 [0x30471d48] DEBUG - [Transcode] MDE: Jak dostat tatínka do polepšovny (1978): Audio Direct Streaming is disabled, so video's audio stream will be transcoded
Mar 17, 2022 21:11:17.575 [0x30471d48] DEBUG - [Transcode] MDE: Cannot direct stream audio stream due to profile or setting limitations
Mar 17, 2022 21:11:17.575 [0x30471d48] DEBUG - [Transcode] MDE: Jak dostat tatínka do polepšovny (1978): selected media 0 / 99
Mar 17, 2022 21:11:17.577 [0x30471d48] DEBUG - [Transcode] Streaming Resource: Reached Decision id=99 codes=(General=2000,Neither direct play nor conversion is available. Direct Play=3000,App cannot direct play this item. Direct play is disabled. Transcode=4002,Not enough CPU for conversion of this item.)

Could I see the Media Info for Jak dostat tatínka do polepšovny (1978) ?

Ref: Investigate Media Information and Formats | Plex Support

General
Complete name \Downloads\Movies - CZ\Jak vytrhnout velrybě stoličku a jak dostat tatínka do polepšovny\Jak dostat tatínka do polepšovny.avi
Format : AVI
Format/Info : Audio Video Interleave
File size : 613 MiB
Duration : 1 h 30 min
Overall bit rate : 944 kb/s
IsTruncated : Yes

Video
ID : 0
Format : MPEG-4 Visual
Format settings : BVOP
Format settings, BVOP : Yes
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default (H.263)
Codec ID : DX50
Codec ID/Hint : DivX 5
Duration : 1 h 30 min
Bit rate : 806 kb/s
Nominal bit rate : 4 854 kb/s
Width : 352 pixels
Height : 288 pixels
Display aspect ratio : 1.222
Frame rate : 25.000 FPS
Standard : PAL
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.318
Stream size : 524 MiB (85%)
Writing library : DivX 6.8.5 (UTC 2009-08-20)

Audio
ID : 1
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Format settings : Joint stereo / MS Stereo / 50/15ms
Codec ID : 55
Codec ID/Hint : MP3
Duration : 1 h 30 min
Bit rate mode : Constant
Bit rate : 128 kb/s
Channel(s) : 2 channels
Sampling rate : 44.1 kHz
Compression mode : Lossy
Delay relative to video : 26 ms
Stream size : 83.1 MiB (14%)
Alignment : Split across interleaves
Interleave, duration : 40 ms (1.00 video frame)
Title : Audio Stream

The thing is that this very file works flawlessly when I open it on my old TV with Plex client 2.0. With this one, I am not able to play any of this. Would it help if I played the file on the old TV and sent you the debug file? You should be able to see that it is working there.

I’m sorry, but the never Samsung TV’s doesn’t support Codec DivX and as such, PMS has to transcode, but can’t due to lack of CPU

You can see a list of supported codec here for 2021 TVs:

And for 2015 TV’s:

All I can suggest, is either reencode your medias, get a PMS Server with a faster CPU, or get like NVidia Shield and use that as a player connected to your TV

Ref: 4K HDR SHIELD TV

Thank you for this list, it is very interesting, I can see that 2015 Samsung TV used to support DivX and 2021 doesn’t. May I ask for the reason behind that? Is it HW/SW or copyright?

And another question, I have troubles playing files which should be supported according to the page (HEVC and WEBM VP8) see below the details of them. What could be the reason?

WEBM EXAMPLE:
General
Unique ID : 210614490245013770286600109481605939668 (0x9E72E016D666298BBDA02817316F41D4)
Complete name : \192.168.1.174\6tb\Series - CZ\Autobazar Monte Karlo\01-Večerní auto.webm
Format : WebM
Format version : Version 4
File size : 181 MiB
Duration : 6 min 36 s
Overall bit rate mode : Variable
Overall bit rate : 3 821 kb/s
Writing application : Lavf55.33.100
Writing library : Lavf55.33.100

Video
ID : 1
Format : VP8
Codec ID : V_VP8
Duration : 6 min 36 s
Bit rate : 3 341 kb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 25.000 FPS
Compression mode : Lossy
Bits/(Pixel*Frame) : 0.064
Stream size : 158 MiB (87%)
Language : English
Default : Yes
Forced : No

Audio
ID : 2
Format : Vorbis
Format settings, Floor : 1
Codec ID : A_VORBIS
Duration : 6 min 36 s
Bit rate mode : Variable
Bit rate : 320 kb/s
Channel(s) : 2 channels
Sampling rate : 44.1 kHz
Compression mode : Lossy
Delay relative to video : -3 ms
Stream size : 15.1 MiB (8%)
Writing application : Lavc55.52.102
Writing library : libVorbis (Schaufenugget) (20101101 (Schaufenugget))
Default : No
Forced : No

HEVC EXAMPLE:
General
Unique ID : 207169177446311914192702892146143195892 (0x9BDB550DAAC32CC1DA76352C3786F2F4)
Complete name : \192.168.1.174\6tb\Series\Arcane (2021) Season 1 S01 (1080p NF WEB-DL x265 HEVC 10bit EAC3 5.1 t3nzin)\Arcane (2021) - S01E06 - When These Walls Come Tumbling Down (1080p NF WEB-DL x265 t3nzin).mkv
Format : Matroska
Format version : Version 4
File size : 1.07 GiB
Duration : 42 min 7 s
Overall bit rate : 3 649 kb/s
Movie name : Arcane (2021) - S01E06 - When These Walls Come Tumbling Down
Encoded date : UTC 2021-11-28 12:52:32
Writing application : mkvmerge v63.0.0 (‘Everything’) 64-bit
Writing library : libebml v1.4.2 + libmatroska v1.6.4

Video
ID : 1
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L4@Main
Codec ID : V_MPEGH/ISO/HEVC
Duration : 42 min 7 s
Bit rate : 3 004 kb/s
Width : 1 920 pixels
Height : 816 pixels
Display aspect ratio : 2.35:1
Frame rate mode : Constant
Frame rate : 24.000 FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.080
Stream size : 905 MiB (82%)
Writing library : x265 3.5+20-4c4aee0bc:[DJATOM’s Mod][Windows][GCC 10.2.1][64 bit] 10bit

Default : Yes
Forced : No
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709

Audio
ID : 2
Format : E-AC-3
Format/Info : Enhanced AC-3
Commercial name : Dolby Digital Plus
Codec ID : A_EAC3
Duration : 42 min 7 s
Bit rate mode : Constant
Bit rate : 640 kb/s
Channel(s) : 6 channels
Channel layout : L R C LFE Ls Rs
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 SPF)
Compression mode : Lossy
Stream size : 193 MiB (18%)
Language : English
Service kind : Complete Main
Default : No
Forced : No

HEVC:

That is also not supported, thus needs a transcode

Why the WEBM also transcode, I can’t spot, but it’ll be mentioned in the logs, if you search for MDE:

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