I've been doing this operation (pictured below) in After Effects on poorly deinterlaced film footage and it works perfectly, but I was hoping I could get AviSynth do it for me. I was looking at SRestore's wiki page and I thought it would be the way to go, but I just can't seem to get it to do anything but remove frames altogether. Any help would be greatly appreciated.
Specifically, I need a plugin which can 1) detect double-blends, 2) use them and the surrounding two frames to restore the intermediate frame, and 3) delete the extra frame so it plays at 24fps.
Thanks!
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QTGMC(preset="fast", matchpreset="fast", matchpreset2="fast", sourcematch=3)
SRestore()
santiag(strv=0, nns=4, nsize=5) -
If it's the standard type of blend deinterlace applied to a telecined 24000/1001 film source
#source
FixBlendIVTC
TDecimate -
To be clear, I'm talking about films that were telecined (24 > 60) and then incorrectly de-telecined to 30fps. The resulting footage typically has 4 good frames followed by 2 blended frames and then 4 good frames again and so on. By "blended" I don't mean interlaced, I mean both images are truly blended together as one. Here's a video with that exact issue which I'm currently fixing: https://youtu.be/GwWW742T0Wc (pause and press period and comma to frame advance)
In After Effects, what I'll do is add the two blended frames together, making sure to be in 32 bit mode so that there's no clipping. Then I'll subtract both of the surrounding frames (A and C in the previous picture), while setting both of their opacities to 50%. This gives me the missing frame (B), which I can then reinsert into the footage.Last edited by StevenGuy; 6th Sep 2021 at 10:23.
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FixBlendIVTC() is giving me an error saying there's "no function named Average". Unfortunately, there's nothing but dead links to the Average dll, so I'm kinda stuck. Wondering if I could substitute Average for something else like Median in the FixBlendIVTC code, but I think I'm getting way out of my depth.
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Sweet! It's surprisingly tough finding something that's also just a regular word. lol
Just tried it and this seems to be working exactly like I needed. Thank you so much! It was taking forever to do this crap by hand in After Effects. -
But a blend deinterlace of 3:2 telecine (23.976p in 59.94 fields/s interlaced) to 29.97p generally results in 3good, 2blend pattern .
4good, 2blend means another conversion has been done somewhere. Usually 25p source => Conversion to 59.94 fields/s interlaced => blend deinterlace
I think it still can be done, but it would be 1 in 6 decimation back to 25p
FixBlendIVTC
TDecimate(cycle=6, cycler=1)
Or
srestore(mode=1, omode="pp0")
TDecimate(cycle=6, cycler=1)Last edited by poisondeathray; 6th Sep 2021 at 11:34.
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Yeah you're probably right; this film was shot in Italy, so it was likely PAL at some point. Regardless, my goal is to narrow it all down to just the original film frames so I can do other stuff to it. The whole thing is a mess because the timing of the blends is inconsistent, changing about a dozen times throughout the video. That means I had to scan through the whole hour of footage to find exactly when things got out of sync.
Anyway, now that I've got Average installed, plugins like SRestore can finally do the main thing I need. It's still going to take a lot of tinkering, of course, but that's AviSynth for ya. -
It wouldn't have mattered. The issue I was having pertained to literally anything with blended frames, not just one video, not just 30p or 25p; it was with everything. So essentially I was asking "what's a good deblender?" because none of the plugins I tried were able to actually deblend. The pic I posted simply shows what the plugin or script I was looking for should do, thinking I may have to write one myself and would need some guidance. Anyway, it turns out the problem was that Average wasn't installed.
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I always think when I see an old concert like this that the poor sound is also a big part of the problem.
Anybody had any luck, or even attempted to improve this typical lo-fi sound (like a mono VCR at slp speed) ? -
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If I can find better audio somewhere for the concert, I'll swap it out and sync it with the video. But if I'm stuck with that audio, then I'll use Stereo Tool to get some of the dynamics back. I've been testing out the declipper and the multiband eq and it's definitely sounding fuller and more lively.
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I already posted a video hours ago, so I don't know what else you want from me. Look, I'm sorry I didn't do the exact thing you wanted, are you gonna be okay?
Seriously, are you just trying to aggravate me or something? The issue in the thread was solved and everything was totally cool, and then you came in here acting like I owe you something. You're being ridiculous.Last edited by StevenGuy; 6th Sep 2021 at 15:53.
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Last edited by davexnet; 6th Sep 2021 at 22:23.
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Only now I saw it and I apologize. You're using a YouTube video as your source? If not, a well-chosen 10 seconds (steady movement) will be better.
Look, I'm sorry I didn't do the exact thing you wanted, are you gonna be okay?
And thanks for the way to advance a YouTube video a frame at a time. Many's the time I wanted to do that to study it without having to download it. -
I guess there's no great way to say this, but you really ought to turn down the meanness and snark when you're dealing with people out of the blue. Maybe you're just having a bad day, I don't know, but when you're getting overly hostile towards total strangers over trivial bs, consider dialing the intensity down to something actually reasonable for the given situation. I hate to put you on the spot, but this is actually something I wish someone would've told me 30 years ago. It's simply not worth it to be so overly critical of people all the time; you just end up being a miserable buzzkill, which you really don't want to be.
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