# HDR Model + GPU Player: Topaz Video AI Alpha 5.4.0.8.a

**URL:** <https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695>\
**Category:** Video AI Beta\
**Created:** [October 29, 2024, 5:23pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695 "2024-10-29T17:23:49Z")\
**Posts on this page:** 20\
**Page:** 2

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**Author:** ![david.123](https://community.topazlabs.com/user_avatar/community.topazlabs.com/david.123/32/163156_2.png) [@david.123](https://community.topazlabs.com/u/david.123)\
**Post date:** [October 31, 2024, 12:00am UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/23 "2024-10-31T00:00:38Z")

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Application is always opening about 10px from top of screen and doesn’t remember last window state:

![image](https://community-cdn.topazlabs.com/original/3X/4/d/4df8f7e6d0d15986ee8b435aea64eb2043e461b7.png)

This is not an issue with the current release version.

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**Author:** ![mikmod1](https://community.topazlabs.com/user_avatar/community.topazlabs.com/mikmod1/32/239469_2.png) [@mikmod1](https://community.topazlabs.com/u/mikmod1)\
**Post date:** [October 31, 2024, 12:14am UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/24 "2024-10-31T00:14:46Z")

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It seems to be fixed, thank you! I have a question - does VEAI ‘know’, that if I’m scrubbing through already ‘green’ areas, the app doesn’t need to render these frames again? I see it creating new folders with PNG files every time I scrub with the mouse and blue marker-\>press Play… 🙂

All these folders are from 1 session with 360p-\>1080p try with RheaXL, with realtime playback. THe folders seems to contain different parts of the video as I pressed ‘Play’ multiple times, then stopped and scrubbed the video within the green line, to press 'Play; again:  
 ![obraz](https://community-cdn.topazlabs.com/original/3X/9/b/9b5a9566fea06cc47cfae484ac7d6fdca250fdab.png)

Second attempt, after changing the parameters a bit, doesn’t remove ‘old’ PNG files, it’s probably intended, right?

By the way, RheaXL massacres the text in this Baldur’s Gate III short video. 🙂

 ![obraz](https://community-cdn.topazlabs.com/original/3X/0/0/00f2e928a9dfad0b31a5e1d2be85386188c3da35.jpeg)

But it can do quite well with the destroyed 360p D&D cartoon.

 ![obraz](https://community-cdn.topazlabs.com/original/3X/4/4/44a14ebd727f74f5a989a53d50ca2d3ececed148.jpeg)  
The detail amount sometimes needs adjusting:  
 ![obraz](https://community-cdn.topazlabs.com/original/3X/6/1/616a77cac18c811f305d1e28c88855b990848162.jpeg)

Eww. It’s the keyframe ‘management’, I believe, the picture gets better, when a keyframe kicks in. This applies only to Rhea XL model, it seems.

 ![obraz](https://community-cdn.topazlabs.com/original/3X/6/5/65885c3ea81790020d319861f8912f31482750db.jpeg)  
There’s a small example of it, how it looks like on a video:  
[2024-10-31.zip](https://community.topazlabs.com/uploads/short-url/8BjY6uopjPWIqFcIioPT18r45qU.zip) (8.7 MB)

There’s still this regression bug with frame interpolation, too, where it doesn’t work the way it does in v5.3.5 and v5.3.6 - namely, ‘duplicate frame replacement’ doesn’t seem to invoke ~~when the target frame rate is the same as the original one~~ at all. 🙂

~~It seems, that the performance of the VEAI v5.3.5 and 5.3.6 is higher with 360p-\>1080p of upscaling with Rhea v1 and Apollo v8 or even Aion frame interpolation - is that because now the app ‘returned’ to save the PNG image files before encoding the preview video?~~

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**Author:** ![mikmod1](https://community.topazlabs.com/user_avatar/community.topazlabs.com/mikmod1/32/239469_2.png) [@mikmod1](https://community.topazlabs.com/u/mikmod1)\
**Post date:** [October 31, 2024, 1:08am UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/25 "2024-10-31T01:08:10Z")

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With extensive preview rendering/playback with **mpv** - I really like this solution! It’s really performant now and I didn’t notice any crashes so far. 🙂

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**Author:** ![meimeiriver](https://community.topazlabs.com/letter_avatar_proxy/v4/letter/m/7feea3/32.png) [@meimeiriver](https://community.topazlabs.com/u/meimeiriver)\
**Post date:** [October 31, 2024, 2:40am UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/26 "2024-10-31T02:40:38Z")

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> [@Alpheratz](#):
>
> MPV is the best choice

Hmm, how can I get this mpv to play? It just uses its own, old internal player.

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**Author:** ![meimeiriver](https://community.topazlabs.com/letter_avatar_proxy/v4/letter/m/7feea3/32.png) [@meimeiriver](https://community.topazlabs.com/u/meimeiriver)\
**Post date:** [October 31, 2024, 2:53am UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/27 "2024-10-31T02:53:15Z")

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Whoa! Rhea XL taxes my RTX 4090 for nearly the full 100%. This is either a very good thing, or a very bad thing. 🙂

EDIT: I also noticed Rhea XL makes ffmpeg work a lot less hard. Much seems offloaded on the GPU now.

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**Author:** ![zelenooki](https://community.topazlabs.com/user_avatar/community.topazlabs.com/zelenooki/32/208727_2.png) [@zelenooki](https://community.topazlabs.com/u/zelenooki)\
**Post date:** [October 31, 2024, 10:32am UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/28 "2024-10-31T10:32:28Z")

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Excellent idea to integrate mpv as the internal player! I support this! It would also be nice to finally get Aion model in TensorRT format. 🙂

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**Author:** ![deepzone](https://community.topazlabs.com/letter_avatar_proxy/v4/letter/d/9de0a6/32.png) [@deepzone](https://community.topazlabs.com/u/deepzone)\
**Post date:** [October 31, 2024, 3:53pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/29 "2024-10-31T15:53:47Z")

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That takes away from the incentive for testing tho…

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**Author:** ![ForSerious](https://community.topazlabs.com/user_avatar/community.topazlabs.com/forserious/32/170142_2.png) [@ForSerious](https://community.topazlabs.com/u/ForSerious)\
**Post date:** [October 31, 2024, 4:03pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/30 "2024-10-31T16:03:40Z")

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If they were to give out licenses just for beta testing, that would improve things. Testing feels like a wash most of the time.

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**Author:** ![meimeiriver](https://community.topazlabs.com/letter_avatar_proxy/v4/letter/m/7feea3/32.png) [@meimeiriver](https://community.topazlabs.com/u/meimeiriver)\
**Post date:** [October 31, 2024, 4:11pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/31 "2024-10-31T16:11:08Z")

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> [@deepzone](#):
>
> That takes away from the incentive for testing tho

Why? You are clearly a **Topaz Video AI Owner**. Your license works on all Beta and Alpha versions too.

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**Author:** ![Alpheratz](https://community.topazlabs.com/user_avatar/community.topazlabs.com/alpheratz/32/176100_2.png) [@Alpheratz](https://community.topazlabs.com/u/Alpheratz)\
**Post date:** [October 31, 2024, 5:55pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/32 "2024-10-31T17:55:13Z")

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Sorry to say but your custom MVP HDR handling is completely wrong

**TVAI 5.4.0.7.a MVP**

 ![image](https://community-cdn.topazlabs.com/original/3X/9/1/912c4d5be8b0513b0fb1e415510d487b6f250540.jpeg)

**MPC-BE + MadVR**

 ![image](https://community-cdn.topazlabs.com/original/3X/2/b/2bfb74f23526c0b7c680f3dd7109a6c3c4f14896.jpeg)

Whites are completely burnt

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<div class="post-metadata">

**Author:** ![david.123](https://community.topazlabs.com/user_avatar/community.topazlabs.com/david.123/32/163156_2.png) [@david.123](https://community.topazlabs.com/u/david.123)\
**Post date:** [October 31, 2024, 7:25pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/33 "2024-10-31T19:25:33Z")

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I was seeing washed out results too!

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**Author:** ![Alpheratz](https://community.topazlabs.com/user_avatar/community.topazlabs.com/alpheratz/32/176100_2.png) [@Alpheratz](https://community.topazlabs.com/u/Alpheratz)\
**Post date:** [October 31, 2024, 7:43pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/34 "2024-10-31T19:43:03Z")

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To me this render is different than a washed out.

Washed out often happen with uncorrect color range or color primaries

Here we have a super overbrightened image, which mean one of this value is badly handle

- MaxFALL/CLL if defined
- Min/Max Luminance from Mastering Display Data  
→ To me this is it

Again and again said, the data sent to the difuser MUST be handle correctly, it’s pointless to only set Color Primaries, Transfer Characteristics, Matrix Coefficient if evreything is ruined with MDD

MDD is the thing your difuser listen whatever the correct or incoorect source is, so you can look after your problems endless if this thing is not perfectly right.

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**Author:** ![Alpheratz](https://community.topazlabs.com/user_avatar/community.topazlabs.com/alpheratz/32/176100_2.png) [@Alpheratz](https://community.topazlabs.com/u/Alpheratz)\
**Post date:** [October 31, 2024, 7:56pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/35 "2024-10-31T19:56:53Z")

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So this brings me to point out another new feature that is missing from all Hyperion releases: Chroma Sample Position

@henry.z

BT2020 / SMPTE ST 2084 “generally” uses Chroma Sample Position to

“Horizontal aligned with luminance and vertical centered”, which in short means “Centered”

I voluntary said “generally” on purpose because it is not mandatory, but it also cannot be “random” or “whatever”

We have no information on how TVAI defines it, and there are 5 possibilities, which is not nothing  
So could you tell us the choice you made?

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**Author:** ![meimeiriver](https://community.topazlabs.com/letter_avatar_proxy/v4/letter/m/7feea3/32.png) [@meimeiriver](https://community.topazlabs.com/u/meimeiriver)\
**Post date:** [October 31, 2024, 8:46pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/36 "2024-10-31T20:46:55Z")

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> [@Alpheratz](#):
>
> We have no information on how TVAI defines it, and there are 5 possibilities, which is not nothing  
> So could you tell us the choice you made?

Is that the same as the “–chromaloc 2” I use in x265? For HDR, I’ve never seen it set other than to 2.

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**Author:** ![Alpheratz](https://community.topazlabs.com/user_avatar/community.topazlabs.com/alpheratz/32/176100_2.png) [@Alpheratz](https://community.topazlabs.com/u/Alpheratz)\
**Post date:** [October 31, 2024, 8:59pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/37 "2024-10-31T20:59:54Z")

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With H.265 codec indeed, --chromaloc indicate the Chroma reference is top left located

This value is commonly used for DVD or streamed videos

The best scenario for top quality is Centered, which is now commonly used for BT.2020 with HDR10+ content  
So it is VERY important to define it correctly so the HDR + colors are correctly handled  
All corners are not good for state of the art quality

So if you go to an intermediate like I do ( 1080p → 8K → 4K) its is absolutely crucial to get it accurately defined, else chrominance and luminance is full missmatching (even more with 4:2:2 or 4:4:4)

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**Author:** ![david.123](https://community.topazlabs.com/user_avatar/community.topazlabs.com/david.123/32/163156_2.png) [@david.123](https://community.topazlabs.com/u/david.123)\
**Post date:** [October 31, 2024, 11:44pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/38 "2024-10-31T23:44:48Z")

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> [@Alpheratz](#):
>
> Here we have a super overbrightened image

Ya that’s what I meant actually…

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<div class="post-metadata">

**Author:** ![meimeiriver](https://community.topazlabs.com/letter_avatar_proxy/v4/letter/m/7feea3/32.png) [@meimeiriver](https://community.topazlabs.com/u/meimeiriver)\
**Post date:** [November 1, 2024, 6:39am UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/39 "2024-11-01T06:39:22Z")

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> [@Alpheratz](#):
>
> Whites are completely burnt

Is it bad that I’m disappointed with the result? I know, SDR → HDR remains tricky business (especially when it comes to all matters color-related), but overbrightness is typically something one can weed out relatively easily.

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<div class="post-metadata">

**Author:** ![Alpheratz](https://community.topazlabs.com/user_avatar/community.topazlabs.com/alpheratz/32/176100_2.png) [@Alpheratz](https://community.topazlabs.com/u/Alpheratz)\
**Post date:** [November 1, 2024, 2:05pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/40 "2024-11-01T14:05:09Z")

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The problem here only come from the player, nothing to do with the rendered stuff.

We did not even got a player since this release, so this is no such a drama  
At least we can check “something” instead of black screen

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**Author:** ![makawilli](https://community.topazlabs.com/letter_avatar_proxy/v4/letter/m/3e96dc/32.png) [@makawilli](https://community.topazlabs.com/u/makawilli)\
**Post date:** [November 1, 2024, 5:17pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/41 "2024-11-01T17:17:28Z")

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When macos version? Any eta?

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<div class="post-metadata">

**Author:** ![dunmer2007](https://community.topazlabs.com/user_avatar/community.topazlabs.com/dunmer2007/32/81269_2.png) [@dunmer2007](https://community.topazlabs.com/u/dunmer2007)\
**Post date:** [November 1, 2024, 6:58pm UTC](https://community.topazlabs.com/t/hdr-model-gpu-player-topaz-video-ai-alpha-5-4-0-8-a/80695/42 "2024-11-01T18:58:59Z")

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Personally I’d like for them to hire internal testers as well as still use public testers, _(I mean, plenty of software/game development companies use this method of testing)_ that would make an immeasurable difference in my opinion.

I for one, am not a coder, as a coder would do a far better job at finding flaws at the coding level, not external issues like what I’m better equipped for as far as my limited expertise is concerned, as I’m a hobbyist which puts me only several notches above a layman!

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