[DDVT Tool] Dolby Vision RPU Demuxing / Injecting / Editing.

[GodzilaAvenger]

Thanks for letting me know. Guess I'll just keep my remuxes until I can figure out how to properly encode both layers. Big waste of disk space though.

[GodzilaAvenger]

One more question, how should the RPU borders (top & bottom ones) be set on files where the aspect ratio changes (i.e. IMAX releases)? Is it the bigger margin (i.e. ~276px) or smaller one (i.e. ~42px)?

[von Suppé]

Interesting question. Since RPU is dynamic, you'd think L5 values would change throughout the movie.
I don't think I have a DV video with different aspect ratios. If you would have one, you can check & compare L5 data for different frame numbers with dovi_tool.

I wouldn't know how to edit L5 values for certain parts of video. Hopefully other users can explain how/if this can be done.

[NeverExists]

Originally Posted by GodzilaAvenger

DJV

Thanks a lot that program works very well.

[GodzilaAvenger]

Originally Posted by von Suppé

Interesting question. Since RPU is dynamic, you'd think L5 values would change throughout the movie.
I don't think I have a DV video with different aspect ratios. If you would have one, you can check & compare L5 data for different frame numbers with dovi_tool.

I wouldn't know how to edit L5 values for certain parts of video. Hopefully other users can explain how/if this can be done.

Thanks, I have a few that I can test on. DDVT asks for RPU cropping values when injecting an RPU.bin file and it always confused me what to do for these kinds of videos.

[quietvoid]

Originally Posted by GodzilaAvenger

Thanks, I have a few that I can test on. DDVT asks for RPU cropping values when injecting an RPU.bin file and it always confused me what to do for these kinds of videos.

If you don't want to find every scene where the aspect ratio changes, use the smallest letterbox size.

[GodzilaAvenger]

So that's the same as the biggest aspect ratio (i.e. biggest border like ~276px), right? (sorry if it's a dumb question, just want to make sure)

[quietvoid]

Originally Posted by GodzilaAvenger

So that's the same as the biggest aspect ratio (i.e. biggest border like ~276px), right? (sorry if it's a dumb question, just want to make sure)

No, the opposite. The smallest border.

[NeverExists]

Another Question. When I drop the Web-Dl on the demuxer, should I be converting it to 8.1? If so why does it say HDR if we are trying to make a hybrid? Wouldn't converting it to HDR lose some of the metadata? I'm trying to make Hybrids with the Web-dl rpu and Bluray release. I mean I've done a few and the end result has been 8.06 Dolby Vision which is what I want.

[GodzilaAvenger]

Originally Posted by quietvoid

No, the opposite. The smallest border.

Got it, thanks!

[GodzilaAvenger]

Originally Posted by NeverExists

Another Question. When I drop the Web-Dl on the demuxer, should I be converting it to 8.1? If so why does it say HDR if we are trying to make a hybrid? Wouldn't converting it to HDR lose some of the metadata? I'm trying to make Hybrids with the Web-dl rpu and Bluray release. I mean I've done a few and the end result has been 8.06 Dolby Vision which is what I want.

I think the HDR means that Profile 8.1 is backwards compatible with HDR10, same for 8.4 which is backwards compatible with HLG.

[von Suppé]

Originally Posted by GodzilaAvenger

I have a few that I can test on.

Can you name the titles?

Originally Posted by quietvoid

If you don't want to find every scene where the aspect ratio changes...

And what if I want to do just that? How to go further once having determined the frame-ranges and their proper offsets?
Is there a tutorial somewhere on how to edit L5 for parts of video?

[-QfG-]

Originally Posted by von Suppé

What would be a specific reason to use either of the two? Can you give an example?

Ask quietvoid what happenend if you switch

--eos-before-el Write the EOS/EOB NALUs before the EL. Defaults to false.

to True. I have only build in this option in the DDVT tool and i never use this.

Do you want to get the RPU from a WEB-DL source and inject it into a BluRay? If that's what you want to do I'd recommend using djv, which can show a video frame-by-frame. What I do is open one file in djv, find a scene transition and note the frame number, then open the other file and find the corresponding frame number. This gives me the delay, which I then use in the DDVT injector tool.

Also you can use MeGui for this. You found MeGui here in the Forum. A little "how to do video" is here:
https://www.youtube.com/watch?v=gVZL1vwXFAg

Is there a tutorial somewhere on how to edit L5 for parts of video?

create a custom.json for this and copy this file near the video. If you start the INJECTOR, the Injector used this file BEFORE all inline settings will be set.
For example, you must delay a video 10 frames, but you will crop only few frames in the video and you use a custom.json for this (only for the crop function), the INJECTOR will first edit the frames from the custom.json and after this the delay will be set. A custom.json for crop frame 10 - 20* :

*Attention. In quietvoids tool is the first frame Frame 0! Some video editors tags first frame to frame 1. Check this before you set the frames here.

{
  "active_area": {
    "presets": [
      {
      	 "id": 0,
      	 "left": 0,
      	 "right": 0,
      	 "top": 10,
     	 "bottom": 10
      }
    ],
     "edits": {
     "9-19": 0
    }
  }
}

Untestet, but i think it work so.

[von Suppé]

Nice, I'm gonna try things out. Conveniently VirtualDub also starts frame-count with 0.

As border-changes can take place several times,
can you tell up front if that specific code can be entered multiple times in one custom.json file?

Thanks a bunch anyways, -QfG-

[quietvoid]

Originally Posted by von Suppé

What would be a specific reason to use either of the two? Can you give an example?

https://forum.makemkv.com/forum/view...121961#p121961
tl;dr it only has an effect on the last frame, unless the title uses seamless branching.
Doesn't really matter but leaving the flag default is correct.

Originally Posted by von Suppé

As border-changes can take place several times,
can you tell up front if that specific code can be entered multiple times in one custom.json file?

I don't really understand what you're asking. Preset IDs can be reused for multiple edits in the same JSON.

[von Suppé]

Originally Posted by quietvoid

I don't really understand what you're asking. Preset IDs can be reused for multiple edits in the same JSON.

I think you answered my question partly --> "multiple edits in the same json file". But how to to that in code.

In -QfG-'s example L5 is set 10 bottom and 10 top for frames 9-19.
But how would that code look like, if I also want to set L5 offsets 280 top and 280 bottom for - let's say - frames 200-250?

[GodzilaAvenger]

Originally Posted by von Suppé

Can you name the titles?

Off the top of my head Aquaman, The Dark Knight, The Dark Knight Rises, some older Marvel titles that aren't shot entirely in IMAX like Iron Man, Civil War, Black Widow, Eternals (as opposed to like Infinity War, Endgame, Shang-Chi, and Multiverse of Madness). If you want something truely challenging go with Everything Everywhere All at Once, the aspect ratio is just all over the place!

Originally Posted by von Suppé

And what if I want to do just that? How to go further once having determined the frame-ranges and their proper offsets?
Is there a tutorial somewhere on how to edit L5 for parts of video?

Originally Posted by quietvoid

I don't really understand what you're asking. Preset IDs can be reused for multiple edits in the same JSON.

So something like this?

{
  "active_area": {
    "presets": [
      {
      	 "id": 0,
      	 "left": 0,
      	 "right": 0,
      	 "top": 10,
     	 "bottom": 10
      },
      {
      	 "id": 1,
      	 "left": 0,
      	 "right": 0,
      	 "top": 276,
     	 "bottom": 276
      }
    ],
     "edits": {
     "9-19": 0,
     "49-69": 1
    }
  }
}

BTW dovi_tool is amazing, thanks for creating it!

[von Suppé]

Ah, I was 3 seconds faster than you, GodzilaAvenger :-)

I have The Dark Night, so I can go check it out. Thanks for the script, it's getting more clear. I'm a total newbie to this.
Can you also provide an example for when there is more than one framerange that have same offsets?

[GodzilaAvenger]

Originally Posted by von Suppé

Ah, I was 3 seconds faster than you, GodzilaAvenger :-)

Originally Posted by von Suppé

I have The Dark Night, so I can go check it out. Thanks for the script, it's getting more clear. I'm a total newbie to this.
Can you also provide an example for when there is more than one framerange that have same offsets?

I guess it would be something like this:

{
  "active_area": {
    "presets": [
      {
      	 "id": 0,
      	 "left": 0,
      	 "right": 0,
      	 "top": 10,
     	 "bottom": 10
      },
      {
      	 "id": 1,
      	 "left": 0,
      	 "right": 0,
      	 "top": 276,
     	 "bottom": 276
      }
    ],
     "edits": {
     "9-19": 0,
     "49-69": 1,
     "219-269": 0
    }
  }
}

I think overall the presets determine the L5 configs you want to use, the edits determine what frames each config applies to.

[von Suppé]

Originally Posted by GodzilaAvenger

I think overall the presets determine the L5 configs you want to use, the edits determine what frames each config applies to.

Yeah, I think I'm getting it. Will play around and gonna try things out.

Thinking of it, I wonder how -QfG- injector would pipe this further. I assume that RPU itself wil be edited by the dovi_tool.exe.
In which case, do you perhaps know how dovitool's "RPU edit" basic commandline would look like? Say, with "RPU.bin" as input and using "custom.json" for the edits?

Thanks a bunch for your highly educating examples, GA.