Dolby Vision HEVC MP4 movie plays back in SDR on LG B9

Plex Players Smart TVs
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1

TV LG B9
Server Version#: 1.22.0.4163
Player Version#: WebOS: 5.11.1

On my LG oled a HEVC MP4 file with dolby vision does not trigger DV on my TV it plays it back in SDR with all the crazy colors to boot. On Xplay the file plays fine in DV.

It looks like it starts direct playing but gets this error:

Playback error occurred. Reason: Unknown, An unknown player error occurred. code: 3, message: Decode

And than starts remuxing from mp4 to mpegts and discards all the dolby vision info and plays the movie with super weird colors.

The video info is:

 videoStream: {
  "id": 4889,
  "streamType": 1,
  "default": true,
  "codec": "hevc",
  "index": 0,
  "bitrate": 17957,
  "DOVIBLCompatID": 0,
  "DOVIBLPresent": true,
  "DOVIELPresent": false,
  "DOVILevel": 6,
  "DOVIPresent": true,
  "DOVIProfile": 5,
  "DOVIRPUPresent": true,
  "DOVIVersion": "1.0",
  "bitDepth": 10,
  "chromaSubsampling": "4:2:0",
  "codecID": "dvhe",
  "codedHeight": 2160,
  "codedWidth": 3840,
  "colorRange": "pc",
  "frameRate": 23.976,
  "height": 2160,
  "level": 150,
  "profile": "main 10",
  "refFrames": 1,
  "streamIdentifier": "1",
  "width": 3840,
  "displayTitle": "4K (HEVC Main 10)",
  "extendedDisplayTitle": "4K (HEVC Main 10)"

Here are the server and player logs snippets:
plexlog.txt (59.2 KB) plexplayerlog.txt (15.3 KB)

2

I’m having the same issue

DV MP4 stuff doesn’t play properly in the native webos app anymore, but I tried xPlay and it works fine

I would rather stick to the official app where possible so can this issue be fixed somehow?

Thanks for the help

3

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