HDR -> SDR conversion

[admin]

Thanks for the suggestions, guys. I need to make a DGHDRtoSDR() update and then I can look at this stuff.

Do you feel GOOOD? Say YEAH! Wheee.

[zys4416]

great filter!
i'm very looking forward to the HLG2SDR function.

[tormento]

Do you feel GOOOD? Say YEAH! Wheee.

YEAH!

[admin]

i'm very looking forward to the HLG2SDR function.

I didn't make one because of the supposed backwards compatibility of HLG. Can you further justify your request?

[admin]

YEAH!

Better late than never!

[zys4416]

i'm very looking forward to the HLG2SDR function.

I didn't make one because of the supposed backwards compatibility of HLG. Can you further justify your request?

I have same 2160p 10-bit TS sources in HLG / BT.2020 (mediainfo reported), and I want to re-encode them to 1080p in SDR / BT.709 for archiving.

When I play a TS source, the color looks mostly fine, it seems to be a 4K UHD source.

You mean that I can re-encoding without any filters?

[admin]

Any chance you could give me a link to one of those transport streams? You can use DGSplit to cut the first 50MB. Only you can decide if it looks "good enough" with no special processing. With one of your streams I can try it both ways and we'll see how they compare.

[zys4416]

Any chance you could give me a link to one of those transport streams? You can use DGSplit to cut the first 50MB. Only you can decide if it looks "good enough" with no special processing. With one of your streams I can try it both ways and we'll see how they compare.

I have provided 3 clips, 50MB per clip, thank you for your help

http://138.68.0.28:8008/trim_162.ts
http://138.68.0.28:8008/trim_187.ts
http://138.68.0.28:8008/trim_203.ts

[admin]

Thank you very much. I will make a proper HLG to SDR filter and see how it compares.

[admin]

This is interesting:

https://www.youtube.com/watch?v=yGSjun9gsbs

It shows that, compared to a proper conversion to SDR 709, playing HLG 2020 directly is "OK" but it is much darker and there are color shifts.

Probably your clips will perform similarly. Seems to me there is indeed a good justification for a new filter.