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Old 3rd July 2016, 04:24   #21  |  Link
manono
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I don't get it. For progressive anime sources when you want to remove the right duplicate when there might be more than one dupe frame from which to choose, this should work fine:

TDecimate(Mode=1)

As johnmeyer already mentioned many posts earlier.

Why might something like this produce any 'artifacts' at all? And why the need to mess around with Pulldown?
Quote:
Originally Posted by GMJCZP View Post
I need to take a sequence of IVTC to TIVTC equivalent.
Since it was never telecined, you shouldn't try and IVTC it, only decimate it.

Last edited by manono; 3rd July 2016 at 04:29.
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Old 3rd July 2016, 05:35   #22  |  Link
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I didn't know it was VCD, I thought it was a completely different source, my bad.
Then, yes, only decimation is needed, I agree.
@johnmeyer... now I got it, thank you!
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Old 3rd July 2016, 23:55   #23  |  Link
GMJCZP
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Post # 14. More simple, impossible, lol.
But now, I repeat, tdecimate and decimate pattern is working ok?

PD: manono, your idea is theoretically correct. Thanks.
The artifacts was fault by DoubleWeave (post # 1).
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Old 4th July 2016, 00:41   #24  |  Link
manono
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If the original 29.97fps with the duplicate frames was achieved by something equivalent to using ChangeFPS to produce a dupe frame every fifth frame, then you might be able to remove the dupe frame the same way. But not with ChangeFPS. If it selects the right ones to remove, it'll only be dumb luck. The way to go, I think, would be to use SelectEvery.

SelectEvery(5,x,xx,xxx,xxxx)

where the 'x's would be the right four numbers chosen from 0, 1, 2, 3, and 4. It should work, but if the pattern/cadence ever changes then you're screwed since it's not adaptive. Which is why TDecimate should still be the way to do it.
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Old 4th July 2016, 01:08   #25  |  Link
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It's fine (smoothly) with ChangeFPS, really. Thanks. Maybe without specify the pattern was a beat of luck.

My concern is now the possible bug in Tdecimate and decimation pattern.

PD: for curiosity I test Tdecimate(mode=1) and not works. The problem is the same: lack of correct decimate pattern with ovr archive.
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Old 4th July 2016, 04:03   #26  |  Link
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I tried SelectEvery(5,0,1,2,3). It works as well as ChangeFPS(24000,1001).
What will be the equivalent solution for Tdecimate?
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Last edited by GMJCZP; 4th July 2016 at 20:21.
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Old 5th July 2016, 01:51   #27  |  Link
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TIVTC code

Finally got the decimate pattern for TDecimate:

- First, must create the ovr file in a Notepad archive as follow:
FirstFrame,LastFrame +_

Where FirstFrame is the first frame to consider, generally is 0; LastFrame is the last frame to consider, usually is equal to FrameCount - 1 or the number of total frames - 1; +_ represents the decimation pattern sequence, + is frame take it, - is frame dropped.

In this case is (for my video VCD):

0,142419 ++++-

The five symbols it is due to the cycle of five frames. This line is saved in, for example, "pattern.txt".

- Now put us in this way:

Tdecimate(ovr="pattern.txt")

If necessary should define the mode (for example mode=1 for animated content).

In short:

DoubleWeave().Pulldown(0,2) (OBVIOUSLY NOT NECESSARY) is displace for:

ChangeFPS(24000,1001)
Or
SeletEvery(5,0,1,2,3) # thank you, manono!
Or
Tdecimate(ovr="pattern.txt")

Final note: for curiosity I tried with Decimate (part of Decomb package) and I failed.

Thanks a lot for your help.
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