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UHD Disc losing HDR metadata

CCaptain00

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I usually use Handrake for my Blu-ray encodes, but since it only has an 8 bit pipeline and doesn't preserve HDR I am trying CloneBD (longtime Anydvd and CloneDVD user). I backed up a UHD disc to folders using MakeMKV. I confirmed using MediaInfo 17.12 that HDR metadata was present in the correct m2ts file.

Video
ID : 4113 (0x1011)
Menu ID : 1 (0x1)
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L5.1@High
Codec ID : 36
Duration : 2 h 43 min
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0 (Type 2)
Bit depth : 10 bits
Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : BT.2020
Mastering display luminance : min: 0.0050 cd/m2, max: 10000 cd/m2
Maximum Content Light Level : 500 cd/m2
Maximum Frame-Average Light Level : 200 cd/m2


However in the resulting MKV after encode, it appears that the HDR metadata is no longer present.

Video
ID : 1
Format : HEVC
Format/Info : High Efficiency Video Coding
Format profile : Main 10@L5@Main
Codec ID : V_MPEGH/ISO/HEVC
Duration : 2 h 43 min
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
Bit depth : 10 bits
Writing library : x265 2.5:[Windows][GCC 7.2.0][64 bit] 10bit
Encoding settings : cpuid=1173503 / frame-threads=8 / numa-pools=8 / wpp / no-pmode / no-pme / no-psnr / no-ssim / log-level=2 / input-csp=1 / input-res=3840x2160 / interlace=0 / total-frames=0 / level-idc=0 / high-tier=1 / uhd-bd=0 / ref=3 / no-allow-non-conformance / no-repeat-headers / annexb / no-aud / no-hrd / info / hash=0 / no-temporal-layers / open-gop / min-keyint=23 / keyint=250 / bframes=4 / b-adapt=2 / b-pyramid / bframe-bias=0 / rc-lookahead=20 / lookahead-slices=8 / scenecut=40 / no-intra-refresh / ctu=64 / min-cu-size=8 / no-rect / no-amp / max-tu-size=32 / tu-inter-depth=1 / tu-intra-depth=1 / limit-tu=0 / rdoq-level=0 / dynamic-rd=0.00 / no-ssim-rd / signhide / no-tskip / nr-intra=0 / nr-inter=0 / no-constrained-intra / strong-intra-smoothing / max-merge=2 / limit-refs=3 / no-limit-modes / me=1 / subme=2 / merange=57 / temporal-mvp / weightp / no-weightb / no-analyze-src-pics / deblock=0:0 / sao / no-sao-non-deblock / rd=3 / no-early-skip / rskip / no-fast-intra / no-tskip-fast / no-cu-lossless / no-b-intra / rdpenalty=0 / psy-rd=2.00 / psy-rdoq=0.00 / no-rd-refine / analysis-reuse-mode=0 / no-lossless / cbqpoffs=0 / crqpoffs=0 / rc=abr / bitrate=6127 / qcomp=0.60 / qpstep=4 / stats-write=0 / stats-read=0 / ipratio=1.40 / pbratio=1.30 / aq-mode=1 / aq-strength=1.00 / cutree / zone-count=0 / no-strict-cbr / qg-size=32 / no-rc-grain / qpmax=69 / qpmin=0 / no-const-vbv / sar=1 / overscan=0 / videoformat=5 / range=0 / colorprim=2 / transfer=2 / colormatrix=2 / chromaloc=0 / display-window=0 / max-cll=0,0 / min-luma=0 / max-luma=1023 / log2-max-poc-lsb=8 / vui-timing-info / vui-hrd-info / slices=1 / opt-qp-pps / opt-ref-list-length-pps / no-multi-pass-opt-rps / scenecut-bias=0.05 / no-opt-cu-delta-qp / no-aq-motion / no-hdr / no-hdr-opt / no-dhdr10-opt / analysis-reuse-level=5 / scale-factor=0 / refine-intra=0 / refine-inter=0 / refine-mv=0 / no-limit-sao / ctu-info=0
Default : Yes
Forced : No

Is there a way to preserve the HDR metadata?
 
Is there a way to preserve the HDR metadata?
Can you please provide a CloneBD log file? We need to see what settings, which encoder, whether or not it's hw accelerated....
(Doesn't have to be a complete transcode, you can abort after a while and then create a log file).
 
Can you please provide a CloneBD log file? We need to see what settings, which encoder, whether or not it's hw accelerated....
(Doesn't have to be a complete transcode, you can abort after a while and then create a log file).

Thank you. I have something else going on currently but I will shortly.
 
Here is the log.
 

Attachments

  • CloneBD Test.cbdlog
    224.6 KB · Views: 7
What I'm trying to do is compress the UHD video while retaining the original resolution, 10bit color, HDR metadata, and 7.1 lossless audio into a mkv for playback on a Roku Ultra over DNLA. The files created do playback over DNLA on the Roku, but according to media info, I lost the HDR metadata. I have to backup the disc with MakeMKV because I do not have the correct key for the AnyDVD KEYDB. I normal use handbrake but it's video pipe converts to 8bit before converting back to 10bit. If I can get this to work I will purchase CloneBD.

Here is what is missing after conversion:

Color range : Limited
Color primaries : BT.2020
Transfer characteristics : PQ
Matrix coefficients : BT.2020 non-constant
Mastering display color primaries : BT.2020
Mastering display luminance : min: 0.0050 cd/m2, max: 10000 cd/m2
Maximum Content Light Level : 500 cd/m2
Maximum Frame-Average Light Level : 200 cd/m2
 
Last edited:
OK, I can confirm the missing information, I'll have to check, whether it has any effect on output (there are certain defaults defined, so if these defaults match the values, then there would be no need).
But I'll ask Elby to put them in anyway.
 
OK, I know that this may be a bit off topic but I think it worths the try.

Playing the same UHD disc with by desktop UHD player (Panasonic UBD 900), MPC / madVR 0.92.10 and DVDFab player 5 (the latter using a UHD Full rip via my PC with Nvidia 1060 (390.65 driver)) I get different HDR metadata in the output stream.

Both my UHD desktop player and the PC are connected to a Lumagen Pro image processor which shows the HDR metada which gets from the source.

For example, playing Fabtastic Beasts, I get HDR min 50, max 4000, CLL 3170 (which are the right values) with Panny, 0-1000-0 with MPC and 300-1000-1000 with DVDFab.

Any ideas?
 
Interesting. Is this your correct test setups?

Panasonic UBD900 UHD player and Disc
Desktop - UHD Disc and MPC / madVR
Desktop - UHD Full rip - DVDFab player

It looks like like MPC is just using standard values. Not sure about DVD Fab. Did you verify the correct metadata on the rip?
 
Interesting. Is this your correct test setups?

Panasonic UBD900 UHD player and Disc
Desktop - UHD Disc and MPC / madVR
Desktop - UHD Full rip - DVDFab player

It looks like like MPC is just using standard values. Not sure about DVD Fab. Did you verify the correct metadata on the rip?

Setup:

Panasonic UBD900 UHD player and Disc
Desktop - UHD Full rip - MPC / madVR
Desktop - UHD Full rip - DVDFab player

How do I verify the correct metadata on the rip?
 
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