[REL] L 'Adolescente (1979)

David32441
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Re: [REL] L 'Adolescente (1979)

Post by David32441 »   0 likes

I saw on a tutorial Shotcut supports rendering out a PNG sequence. It's theoretically possible to render out the whole film this way. Fix any still image spots and scratches, then export a clean version of the film from that.
I should avoid talking myself into doing a Star Wars cleanup project! ... I saw a Youtube video on how this one guy spent 2 years cleaning it up and making the de-specialised version!
David32441
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Re: [REL] L 'Adolescente (1979)

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I've painted out VHS noise on 7 other frames in this sequence :)
It's possible to export say frame 4004 and 4005. Then erase the noise from bad frame 4005 revealing a clean tree from 4004 then export 4005 clean and drop the single frame back into Shotcut. Wow - I love Shotcut!
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Re: [REL] L 'Adolescente (1979)

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So I have 3 layers of video on my Shotcut project.
1. the main video file taken from Ghost's video obviously - but chroma shifted 10 pixels to the right like in my examples
2. a narrow 12 frame wide left hand edge (so I don't lose the chroma information from those 10 pixels)
3. a layer of fixed frames - now numbering about 20. Yeah I found a dozen other frames where i've erased the weird VHS noise lines.
Might paint out the worst of the lines and scratches... watching the film with a notepad now to note the worst offendors! Meanwhile Shotcut is rendering what I've done already. I need to test it's mp4 export settings - see if it's any good. They look different to what I'm used to. Luckily my new PC has hardware accelerated mp4 encoding so the whole project is saying 28mins to render!
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ghost
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Re: [REL] L 'Adolescente (1979)

Post by ghost »   1 likes

Maybe we should open a tech forum. :think

Please don't get me wrong. Your efforts are much appreciated. But are you aware, that you filled 1 1/2 pages in this thread today?
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Re: [REL] L 'Adolescente (1979)

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ghost wrote:Maybe we should open a tech forum. :think

Are you aware that you files 1 1/2 pages with this? :lol:
Yeah. I'm going to slow down now. Only a few more posts maybe before I upload my fix.
Hope it's of interest! Good tech knowledge for anyone else - but relevant to this film.
I was thinking too. If there's 2 Topaz filters we like - but it doesn't work so well in one scene. ie. the dehalo is quite good on some high contrast stuff, but not so good on others. It's possible to drop multiple outputs into Shotcut and:
1. pick which Topaz stream for a particular scene.
2. fade between medium and high quality for different scenes
3. even create a highbrid blend (ie 50% transparency on one) of the 2.
Only to be used for the most exceptional projects! As otherwise not worth the time.
Shotcut even supports timelines so you can be making temporal adjustments. I'd also recomend checking out it's white balance / colour grading wheels. For this it rivals the best high-end video workstations that Hollywood uses!
Checkout - https://en.wikipedia.org/wiki/Shotcut#/ ... enshot.jpg
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Re: [REL] L 'Adolescente (1979)

Post by David32441 »   0 likes

Spent about 10 hours on cleaning up about 200 frames of VHS rip noise! Another 150 or so of grain, scratches, even some video tears and jumps. A lot of work in photoshop with painting noise out between multiple frames!
But Ghost I'm in awe of the fact that your blacks have so much detail in them without dissolving to 8x8 macro blocks. What the hell mp4 encoder settings are you using!? I can't keep that quality unless I set it to lossless! And you made a <2gb file!!! Please tell me your special mp4 setting!!! I've exported a lossless file from ShotCut - but now need to do the final encode. Tips please!!! Here - or message me privately!!!
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Re: [REL] L 'Adolescente (1979)

Post by ghost »   0 likes

I use Adobe Media Encoder with the AfterCodecs plugin as the H.264 codec (https://www.autokroma.com/AfterCodecs) with slow encoding settings.

But using Handbrake shouldn't make so much difference.
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Re: [REL] L 'Adolescente (1979)

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ghost wrote:I use Adobe Media Encoder with the AfterCodecs plugin as the H.264 codec (https://www.autokroma.com/AfterCodecs) with slow encoding settings.

But using Handbrake shouldn't make so much difference.
Ah ok, I thought it might be some special macro-block personal setting you used to preserve detail.

While scanning your film I found some very very bad frames - not your fault obviously - just bad source video...
[Image]
of course I've fixed them :)
In this one as the frame was so bad (that's not jpg noise, that's how bad frame "05m 16s 680ms" is in your file), so I copied the previous frame. But because I noticed in the shot her hand was moving right to left I masked her hand and moved it 15 pixels left so it didn't look like a totally duplicate frame :D
[Image]

This frame was a massive disaster:
[Image]
but recoverable... I must have spent/wasted 15minutes on this frame alone!!! :lol:
[Image]

Dozens of frames had this VHS capture card noise which sometimes spread across 3 or 4 frames making it hard to mask out. I had to fix one frame from the previous. Then use that frame to fix the next one!
[Image]

This is the same frame "Shotcut-00-20-02-160f.jpg" (Hours-Min-Sec-milliseconds auto-generated by Shotcut).
If there was a sequence of bad frames I would try and make the last bad frame take from the one "after", not the one before. But nobody would ever notice this :)
[Image]

some frames you would think couldn't be repaired...
[Image]
but by copying from the previous frame (just do 2 layered image in Photoshop) and play with the erase button I was able to rebuild them. It got tricky when the video / object in frame was moving. Sometimes I even shifted the frame beneath so an object/person would align for the erase tool to pull cleanly.
[Image]

then there were the 100s of spots, most not as big as this!
[Image]

more tears/hairs, before:
[Image]

after:
[Image]


and these reel-change spots... I took them out too:
[Image]

this is what my timeframe in ShotCut ended up looking like:
V1 = The video track chroma shifted 10pixels.
V2 = the left 10 pixels without chroma shift (so they don't look weirdly pale)
V3 = where I was fixing indiviual frames
[Image]
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Re: [REL] L 'Adolescente (1979)

Post by David32441 »   4 likes

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Night457
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Re: [REL] L 'Adolescente (1979)

Post by Night457 »   0 likes

WOW, David! I was waiting to comment until you had finished your work. You do realize that people actually get paid to do restoration work like this? Have you considered a career change? Or is this the type of work that you will only devote time to if it is for movies you really like, rather than just work for hire?

I look forward to checking out your cleaned-up, CG-enhanced, hand-shifting version to see if you made Greedo shoot first. [Image] :lol:
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