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By Николай Долбня
When I try to play some Dolby Vision video on my OLED55C6V from USB-flash or from DLNA-server (without any conversion) by the internal application for photo and video playback I see the picture painted green. Some Dolby Vision video is played properly. So can I change something in my television settings or in the video-file (I would be able to re-encode or remuxe it if I knew what should I change) for fixing the problem? Thank you beforehand!
Mediainfo file dump:
General
Complete name : N:\02.Chameleon.mp4
Format : MPEG-4
Format profile : Base Media / Version 2
Codec ID : mp42 (mp42/iso6/isom/msdh/dby1)
File size : 530 MiB
Duration : 1 min 2 s
Overall bit rate : 70.9 Mb/s
Encoded date : UTC 2019-06-13 18:12:29
Tagged date : UTC 2019-06-13 18:12:29
Video #1
ID : 1
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main [email protected]@High
HDR format : SMPTE ST 2086, HDR10 compatible
Codec ID : hev1
Codec ID/Info : High Efficiency Video Coding
Duration : 1 min 2 s
Bit rate : 55.6 Mb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.280
Stream size : 416 MiB (78%)
Default : No
Encoded date : UTC 2019-06-13 18:12:29
Tagged date : UTC 2019-06-13 18:12:29
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : Display P3
Mastering display luminance : min: 0.0050 cd/m2, max: 4000 cd/m2
Maximum Content Light Level : 1000 cd/m2
Maximum Frame-Average Light Level : 60 cd/m2
Codec configuration box : hvcC
Video #2
ID : 2
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main [email protected]@High
HDR format : Dolby Vision, Version 1.0, dvhe.07.06, EL+RPU / SMPTE ST 2086, HDR10 compatible
Codec ID : dvhe
Codec ID/Info : High Efficiency Video Coding with Dolby Vision
Duration : 1 min 2 s
Bit rate : 13.6 Mb/s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Bits/(Pixel*Frame) : 0.274
Stream size : 102 MiB (19%)
Default : No
Encoded date : UTC 2019-06-13 18:12:29
Tagged date : UTC 2019-06-13 18:12:29
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : Display P3
Mastering display luminance : min: 0.0050 cd/m2, max: 4000 cd/m2
Codec configuration box : hvcC+dvcC
Audio
ID : 3
Format : E-AC-3 JOC
Format/Info : Enhanced AC-3 with Joint Object Coding
Commercial name : Dolby Digital Plus with Dolby Atmos
Format profile : Blu-ray Disc
Codec ID : ac-3
Duration : 1 min 2 s
Bit rate mode : Constant
Bit rate : 1 664 kb/s
Channel(s) : 8 channels
Channel layout : L R C LFE Ls Rs Lb Rb
Sampling rate : 48.0 kHz
Frame rate : 31.250 FPS (1536 SPF)
Bit depth : 16 bits
Compression mode : Lossy
Stream size : 12.5 MiB (2%)
Language : Russian
Service kind : Complete Main
Default : No
Encoded date : UTC 2019-06-13 18:12:29
Tagged date : UTC 2019-06-13 18:12:29
Complexity index : Not present / 16
Number of dynamic objects : 15
Bed channel count : 1 channel
Bed channel configuration : LFE
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By Void Toast
Please consider adding a new menu for 2017 OLED's in HDR Game mode preset called "Static Tone Mapping" to picture options with a selection of 4000 nits (default) or 1000 nits.
The reason so many complain about dim HDR on 2017 OLED's is down to an overly tone mapped image, game consoles HDR titles are mastered in 1000 nits range, LG's default tone mapping is set to 4000 nits and because the consoles do not send any HDR metadata, LG tone maps 1000 nits content to 4000 nits. We know this is the cause as advanced tools like HD Fury Vertex can trick the TV into thinking it's 1000 nits content and give correct looking HDR (very complex thing to setup far beyond normal users).
This is entirely fixable by giving us a menu under game mode to force the TV to tone map to 1000 nits instead. If you read around online I'm almost certain this is what the special "Active HDR dynamic contrast = low" under Cinema mode does but this setting is not the same under any other preset. Maybe the "Active HDR" trick is not possible under game mode but forcing the TV to 1000 nits tone mapping is because the HD Fury Vertex can do it so the TV has the capability.
The 2018 models do not have this issue as they have "Dynamic Tone Mapping" under picture options so please throw us 2017 owners a bone on this, thanks.
(Yes game consoles could possible fix this by sending metadata but that's unlikely).
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By rologoetz
Hi, just bought a new LG OLED and pretty fast noticed that I`ve now chance to change the wallpapers ?!?
Really pretty strange - even the smallest smartphone offers such a feature. The TV has enough USB interfaces - why is it not able to customize this by an own set of pictures ?
Can`t be that big rocket science to implement this , especially for such an expensive device this should be a standard feature !!!
Or did I miss something in the settings of the TV ?
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