Avisynth port updates

[LightArrowsEXE]

A lot of Avisynth ports are very old, and the filters ported have since been updated to be faster, more precise, and offer more functionality. This issue has been made to take a look at all the ports within lvsfunc that could use re-porting. This issue will be updated at a later date once I find time to look through the module and find what is and isn't an AVS port. Any help with listing them is appreciated.

Functions that require updating:
[ ] - masked_dha (?)

To be updated.

[LightArrowsEXE]

@NSQY In this post you were talking about AVS ports being outdated. Do you know of any ports in this *func that is outdated? I was only able to find masked_dha, and I'm not even entirely sure it's outdated.

[NSQY]

Nothing currently strikes me as being a problem, my comment was mostly a preemptive warning for future rewrites. If I were to guess, the main area of trouble would be functions ported before or around the time that AVS+ was being introduced.

With AVS+, they introduced many features that VS users take for granted (high precision formats, (pseudo) multi-threading, etc. Anything ported to VS before this would have had to take certain liberties. In the years since, there has been a constant and ongoing effort to modernize AVS(+) functions to the point where many of them are faster than their equivalent VS sisters. Gradfun3 is one of these examples WolframRhodium/muvsfunc#42

By the way, to my knowledge expr will generally perform better than C/CPP/Rust plugins at the cost of complexity, this is why AVS functions look the way they do (and potentially why that OPP expr is faster than fmtc).

Also until recently AVS had a more advanced expr engine, so ports of functions that made use of features we did not have had to be modified. I think this is no longer an issue with akarin expr.

[LightArrowsEXE]

Gotcha. Thanks for all the info. There's a couple old functions I know of that could probably use updated ports (QTGMC being the big one I can think of, possibly also animeIVTC and other IVTC/deinterlacing filters), so those are also things I may look at at some point in the future.

[DonCanjas]

Make sure you're using this updated version of vinverse and please include the function vinverse2, it's much better https://github.com/Asd-g/vinverse

[po5]

lvsfunc's vinverse is not a straight port, @Setsugennoao rewrote it with his specific needs.
On minor combing it retains detail much better instead of turning it into ugly blocking.

[DonCanjas]

On minor combing it retains detail much better instead of turning it into ugly blocking.

Vinverse2 is like that too, which one is better I do not know

[LightArrowsEXE]

Basically every useful AVS port has been moved to different packages by now.