Dolby Vision now possible through MP4 Mux.

Please post here for issues related to UHD discs
valington
Posts: 40
Joined: Tue May 02, 2023 1:39 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by valington »

RESET_9999 wrote:
Thu Jul 25, 2024 11:03 am
my favorite tracker is BHD.
How can i get there only for donation or how ?
RESET_9999
Posts: 2082
Joined: Mon Aug 05, 2019 7:12 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by RESET_9999 »

the best trackers dont let people in for money.
You need to get invited by someone already in but I believe they are sometimes recruiting users from other private trackers so you might be lucky if you are on one of those trackers...

https://www.reddit.com/r/trackers/
Vault
Posts: 3
Joined: Wed Dec 30, 2020 8:47 am

Re: Dolby Vision now possible through MP4 Mux.

Post by Vault »

Hi all, digging a little bit here (nearly 4 years :D ) to update the infos I have.
shawnc22 wrote:
Thu Dec 24, 2020 5:03 pm
When you’re doing conversions from a UHD disc to single layer, you’re going to lose data (neglible in MEL). There is currently not a lossless way from converting from double to single layer where the info in the EL is reencoded into the BL; any info in the EL is just being discarded.
Vault wrote:Like MastaG I was hoping for a 1:1 experience paradise, when I read a few weeks ago that MKV + DV was live.
But I understand (thanks to you + contributors) that YTD it remains a lossy process, even using 1.15.4.
So: is it possible YTD to convert a UHD disc and/or ISO, to a single layer MKV?
I still mean exactly in 1:1, e.g full AV streams with no data loss - at all.

Because Option 2 is, I know: to buy a Pannde PD6x - or a Magnetar 900.
Which is beside the fact that I don't need Blu-ray menus, out of my league :(
texwatson
Posts: 10
Joined: Wed Apr 10, 2024 12:18 am

Re: Dolby Vision now possible through MP4 Mux.

Post by texwatson »

valington wrote:
Thu Jul 25, 2024 7:37 am
RESET_9999 wrote:
Mon Jul 22, 2024 10:58 am
i dont remember
Reset please advice torrent trackers with good seeding
Usenet everyday and twice on sunday...
tpicnic05
Posts: 6
Joined: Fri Jul 29, 2022 3:13 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by tpicnic05 »

Please don't burn me for this question but I just want to make sure I'm following this all correctly.

I have a Ugoos am6b+ with CoreELEC installed. I've ripped all my 4K blu ray movies with MakeMKV and I have done nothing to those ripped files so I play them back as MakeMKV has made them.

Do I need to do anything extra to get the full FEL CMV2.9 (I think that's correct?) that would be played on a 4k blu ray player? I've seen some posts around suggesting to rip as MP4 or other file types so I just want to see if I need to redo some work on my Dolby Vision blu ray rips.
LV8HD
Posts: 37
Joined: Tue Jan 11, 2022 3:48 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by LV8HD »

@RESET_9999 I measured HDR10 to get MaxCLL and MaxFALL metadata using madVR and excluding black bars to get a more accurate MaxFALL value, but when I open the measurement file with madMeasurementAnalyzer it gives me a different MaxFALL than the plot. Which on should I trust?

Image

Image
poly888
Posts: 8
Joined: Wed Jul 24, 2024 3:16 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by poly888 »

RESET_9999 wrote:
Thu Jul 25, 2024 4:23 pm
the best trackers dont let people in for money.
You need to get invited by someone already in but I believe they are sometimes recruiting users from other private trackers so you might be lucky if you are on one of those trackers...

https://www.reddit.com/r/trackers/
This is the first time I hear about such system, why wouldn't a pay version be good? I mean you give money for access no?
RESET_9999
Posts: 2082
Joined: Mon Aug 05, 2019 7:12 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by RESET_9999 »

i dont know
kazuma
Posts: 162
Joined: Fri Nov 08, 2019 9:51 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by kazuma »

Does nobody have a invite for BHD? What is the website?
deadchip12
Posts: 285
Joined: Thu May 02, 2019 2:49 am

Re: Dolby Vision now possible through MP4 Mux.

Post by deadchip12 »

I wonder why the subtitles of 4k hdr films are super bright when I watch it on the sony x700 (for which I have to manually extract the subtitles and lower their brightness using external software), but now on the ugoos am6b+ they are appropriately bright.
Rororororo
Posts: 26
Joined: Tue May 12, 2020 1:23 am

Re: Dolby Vision now possible through MP4 Mux.

Post by Rororororo »

@RESET_9999

just checking 3.0.0, what does it mean and why is it bad (red)
1st Frame is a Scene Cut: YES (good)
Consecutive Scene Cuts: YES
Base Layer: ICtCp (DoVi P5)

Edit:
ok got it "D/SC_Flag=F" is old 2-1-1 to fix it
ASUS BW-16D1HT 3.10
Ugoos AM6B Plus
RESET_9999
Posts: 2082
Joined: Mon Aug 05, 2019 7:12 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by RESET_9999 »

it's just a warning. Dont edit it if it's from a retail source.
This is for the old P8 hybrid remux when we were not duplicating or removing frames correctly as explained here:
viewtopic.php?p=155652#p155652
Rororororo
Posts: 26
Joined: Tue May 12, 2020 1:23 am

Re: Dolby Vision now possible through MP4 Mux.

Post by Rororororo »

This is actually from such P8 remuxes, I was checking some
ASUS BW-16D1HT 3.10
Ugoos AM6B Plus
Arq231
Posts: 2
Joined: Thu Jul 20, 2023 10:44 am

Re: Dolby Vision now possible through MP4 Mux.

Post by Arq231 »

How to fix the RPU mismatch problem? the last frame in most of the cut-scenes has different brightness than the cut-scene itself.
I'm unable to import the movie into Resolve directly in its RAW format. However, I'm able to when I trim it using ffmpeg to keep its properties unchanged otherwise it would lose its HDR format.
I would like to convert this movie into SDR Dolby Vision.
Any suggestions?

Here are the movie properties:

Code: Select all

Format                         : Matroska
Format version                 : Version 4
File size                      : 43.3 GiB
Duration                       : 1 h 31 min
Overall bit rate mode          : Variable
Overall bit rate               : 67.7 Mb/s
Frame rate                     : 23.976 FPS
Movie name                     : Rocky.IV.1985.2160p.BluRay.REMUX.HEVC.DTS-HD.MA.5.1-FGT
Encoded date                   : 2023-02-28 07:33:24 UTC
Writing application            : mkvmerge v74.0.0 ('You Oughta Know') 64-bit
Writing library                : libebml v1.4.4 + libmatroska v1.7.1

Video
ID                             : 1
ID in the original source medi : 4113 (0x1011)
Format                         : HEVC
Format/Info                    : High Efficiency Video Coding
Format profile                 : Main 10@L5.1@High
HDR format                     : Dolby Vision, Version 1.0, dvhe.07.06, BL+EL+RPU, Blu-ray compatible / SMPTE ST 2086, HDR10 compatible
Codec ID                       : V_MPEGH/ISO/HEVC
Duration                       : 1 h 31 min
Bit rate                       : 58.9 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)             : 0.296
Stream size                    : 37.6 GiB (87%)
Language                       : English
Default                        : No
Forced                         : No
Color range                    : Limited
Color primaries                : BT.2020
Transfer characteristics       : PQ
Matrix coefficients            : BT.2020 non-constant
Mastering display color primar : Display P3
Mastering display luminance    : min: 0.0050 cd/m2, max: 4000 cd/m2
Maximum Content Light Level    : 3992 cd/m2
Maximum Frame-Average Light Le : 1649 cd/m2
Original source medium         : Blu-ray
XML file last entries:

Code: Select all

            <Record>
              <In>120488</In>
              <Duration>56</Duration>
            </Record>
            <PluginNode>
              <DolbyEDR level="1">
                <ImageCharacter>0.0004884005,0.22857143,0.63565326</ImageCharacter>
              </DolbyEDR>
              <DolbyEDR level="2">
                <TID>1</TID>
                <Trim>0,0,0,0,0,-0.063356996,0,0.08154297,0</Trim>
              </DolbyEDR>
            </PluginNode>
          </Shot>
        </Track>
      </Video>
    </Output>
  </Outputs>
</DolbyLabsMDF>
RESET_9999
Posts: 2082
Joined: Mon Aug 05, 2019 7:12 pm

Re: Dolby Vision now possible through MP4 Mux.

Post by RESET_9999 »

just look on the Resolve media page, and you will find the framecount of the prores file.
Then in the xml, modify the duration of the last shot(probably just 57 or 55) to match that framecount.
How to fix the RPU mismatch problem?
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