[TESTING] Kodi v19 builds for Vero 4K / 4K +

It was perfectly calibrated by a friend of mine.

Does that mean you need the source to output SDR rec.2020 instead of SDR rec.709? I’m not aware that the Vero 4K(+) can do that.

… and it doesn’t work with Vero playing UHD (HDR10)? I can’t see why it wouldn’t, even now. Or are you setting the Panasonic to output ‘SDR Rec2020’?

We could do that. I’m just not aware of what the demand would be. Are there lots of displays out there that do Rec2020 but not HDR10 (ie BT2020/BT2100)?

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I wouldn’t say “lots”, but there are a few models of projector that work like that.

Hey everybody,

it’s been a while (because the 4k+ and OSMC were running smoothly :wink: )…

Today I finally mustered all my courage and took the upgrade route to matrix coming from buster develop - and what can I say apart from some Addon related issues the transition was very, very smooth - so I’d like to say thank you very much.

One thing I couldn’t manage though was getting my old wake.py and standby.py scripts (to control hyperion.ng) working again - has this feature been changed, axed, or not yet implemented?

thanx again
Anthrax

This should still work. Let’s see some logs.

Sam

Hi @sam_nazarko,

I’ll take little dive into the logs just to see if I missed something stupid - and will report back

Have good evening - and please don’t forget that it is FRIDAY :wink:

cheers
Anthrax

@sam_nazarko

I reenabled logging and well, it’s only slightly embarassing for me…
Python 3 seems to be way more picky with syntax (or it has changed) as the log screamed at me for not using parenthesis for the print() function… :man_facepalming:

After adding theses I can confirm, that shutdown.py, standby.py and wake.py are working again…

BUT - and there always is a “but” - I can’t get autoexec.py to run… And I’m pretty sure this was how I startet the hyperion service before…

Does this sound any more plausible?

I’ll try some more digging…

bye
Anthrax

I’m actually glad to hear this isn’t an issue on our side.

It looks like autoexec.py might be deprecated, check out https://kodi.wiki/view/Autoexec_Service.

@grahamh yes i can set the panasonic to sdr2020. Would it be possible to implement this feature? That would be awesome and i could save me a lot of money to buy a new rtx graphiccard to install madvr…

Screenshot from my Panasonic playing an UHD with SDR2020

And for projector owners it seems to be a neat way of getting a nicer HDR->SDR conversion… Most projectors basically do that internally as they can’t properly reproduce HDR images and e.g. a Panasonic UHD player gives you more control over the conversion process than many projectors do regarding the manipulation of their internal roll-off/HDR adjustment algorithms.

So the picture I’m getting, from a bit of googling, is that digital projector technology has been capable of wider gamut than BT709 for some time. Professional projectors would have had to comply with DCI-P3. So I suspect there’s a few out there, even consumer models, with wide gamut that were made before HDR was a thing. So they would have to be fed DCI-P3, xvYCC or BT2020 colours to make better use of their gamut than available from BT709.

They would not know about BT2100 (PQ EOTF). Is this why the threads on projectors are full of chat on tonecurves? That is, users are having to make their own tonemaps from PQ to BT1886 (gamma) because PJs don’t do it natively. And these models aren’t so old that users want to shell out a few grand for a shiny new HDR model.

Whatever, I’m going to add SDR/BT2020 to Vero and if it doesn’t take too long and I can find the specs, DCI-P3 output as well.

But here’s the thing, a wide-gamut PJ which doesn’t understand HDR perhaps doesn’t know how to convert BT2020 YUV to RGB either. That means, either we use BT2020 primaries with a BT709 RGB-YUV conversion matrix or we send BT2020 RGB to the projector. Sending BT2020 RGB needs some major surgery to the HDMI driver so I’m not keen to do that. Any opinions from people who own projectors and/or spend more time on AV(S)forums than I do?

@Smack could you help by posting the EDID from your Epson (without the Linker between). Just type

cat /sys/class/amhdmitx/amhdmitx0/rawedid

and post the result here, please.

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I’m following this as I use an Oppo in between a JVC RS500 and vero to get the HDR to SDR tone mapping. While the Oppo does a nice job they never perfected it and it’s now reached the end of its support life.

Thanks for that. The manual for your JVC supports my theory - it’s only the tonecurve that can be adjusted. Could you post rawedid for your projector as well, please?

BTW, I have had a look at supporting xvYCC but there’s no AML docs on that so it won’t happen.

Just so I understand. You want me to remove the oppo from the chain and get it from the projector?

If you can, please.

Ok. I’ll send you this later tonight. Do you have an example of exactly what you are looking for? Just the resolution?

I’m looking for what colourspaces are supported. Rawedid will be just a load of characters, something like this:

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

Ok. I’ll try to figure it out.

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