Replace every 15th frame with 14th frame

[poisondeathray]

You identify the 1st frame to be replaced, eg. check in avspmod

Enter the values for the 1st 3 entries, in this example it starts at 25 (randomly chosen). So drag a marquee box around the data and drag down the bottom right corner until you reach how far you want to go (you know the total #frames from previewing in avspmod) . Copy & paste that into the relevant section in the .avs script

It's faster if you use gavino's method, and you don't have to figure out how long or how far to go. You only need to identify the 1st frame to be replaced, then adjust the 3 lines

[Gavino]

It's faster if you use gavino's method, and you don't have to figure out how long or how far to go. You only need to identify the 1st frame to be replaced, then adjust the 3 lines

Yes, that's right - that was the motivation for my method.

[NBninja8]

Thanks Gavino, your method does seem faster.

If I am correct all that needs to be done is to change the second number in the parenthesis. The first number will always be 15 but the second will be "what + 15 = the first frame number there is an error"

Is this correct?

I am getting this error message:
Avisynth open failure:
DeleteEvery: frame offsets must be in range [0, period)
(F:\Nate and Phil's Stuff\Aug. 6th Wedding\GH2 1\DV gavino.avs, line 11)

[poisondeathray]

You need to change all 3 (they should all read 15,16 assuming 1st bad frame 31) , and all match (you forgot to change line 9)

Compare the syntax to previous example

[Gavino]

You need to change all 3 (they should all read 15,16 assuming 1st bad frame 31)

No, they should all be (15, 1).
Note the error message:

DeleteEvery: frame offsets must be in range [0, period)

Of course, this will also change frames 1 and 16, but based on your earlier comment that should not matter.

[poisondeathray]

You need to change all 3 (they should all read 15,16 assuming 1st bad frame 31)

No, they should all be (15, 1).
Note the error message:

DeleteEvery: frame offsets must be in range [0, period)

Of course, this will also change frames 1 and 16, but based on your earlier comment that should not matter.

I see, but doesn't 15,16 do the same thing (except frame 1)

To test, I used

blankclip()
showframenumber()
selectevery(15,x)

Using "15,1" results in: 1,16,31,46,61,...
Using "15,16" results in almost the same thing, but without the 1st frame: 16,31,46,61,...

But since you want to start at "31" in this example, wouldn't that be a preferrable result ? (Not that it would make a big difference, since the 1st few frames are usually junk in his case)

[Gavino]

I see, but doesn't 15,16 do the same thing (except frame 1)

To test, I used

blankclip()
showframenumber()
selectevery(15,x)

Using "15,1" results in: 1,16,31,46,61,...
Using "15,16" results in almost the same thing, but without the 1st frame: 16,31,46,61,...

That works with SelectEvery, but DeleteEvery does not allow the offset (here) to be greater than 14 (15-1).

But since you want to start at "31" in this example, wouldn't that be a preferrable result ? (Not that it would make a big difference, since the 1st few frames are usually junk in his case)

It would be preferable, but I assumed it didn't matter from what you said previously about the starting frames being junk.
If it's a problem, just add the original frame 16 back in again at the end:

...
replace = interpolated.SelectEvery(15, 1) # replacement frames

orig = last
DeleteEvery(15, 1) # delete bad frames
InterleaveEvery(replace, 15, 1) # replace deleted frames
orig.Trim(0, 29) + last.Trim(30, 0) # use original frames 0-29

[poisondeathray]

That works with SelectEvery, but DeleteEvery does not allow the offset (here) to be greater than 14 (15-1).

OK, I see that now, thanks for explaining . I should have tried the whole function on a test clip

[NBninja8]

I'm not following.

So every parenthesis should be (15,1) but where do I set the offset?

[poisondeathray]

I'm not following.

So every parenthesis should be (15,1) but where do I set the offset?

x is the offset from frame zero
(15,x)

so 15,1 would mean 1,16,31,...
so 15,5 would mean 5,20,35,...

So if the 1st frame to be replaced was 34, you would use 15,4 , because that would replace 4,19,34...

[NBninja8]

have a look at my script.

I'm tring to find what the bad frame is by using virtualdubmod. I'm working with clip 00186, the same
one I uploaded.
Though sometimes the badframe shows up when previewing the file in virtualdubmod on frame 20,
sometimes frame 23, sometimes frame 22. It's really frustrating. The script doesn't work either
but I believe that is because I can't find the right frame.
Is there another program that I can use to find the where the first bad frame is? And do you have any idea
why it shows up as 20 sometimes, 23 sometimes ect?

What process did you use when finding the first bad frame?

[poisondeathray]

have a look at my script.

I'm tring to find what the bad frame is by using virtualdubmod. I'm working with clip 00186, the same
one I uploaded.
Though sometimes the badframe shows up when previewing the file in virtualdubmod on frame 20,
sometimes frame 23, sometimes frame 22. It's really frustrating. The script doesn't work either
but I believe that is because I can't find the right frame.
Is there another program that I can use to find the where the first bad frame is? And do you have any idea
why it shows up as 20 sometimes, 23 sometimes ect?

What process did you use when finding the first bad frame?

Maybe you didn't save script changes ?




When you examine the video, use only the 1st line

e.g
FFMpegSource2("video.dv", atrack=-1)

That way it's only the video "as is", no filters.

Once you have identified the 1st "bad" frame and made sure the pattern holds (every 15th frame), then adjust the script, then save it. That is your "new script"

*Editing scripts is alot easier in avspmod than vdubmod. Push f5 for preview




Your current script does not match, currently it's this:

 
replace = interpolated.SelectEvery(15, 5) # replacement frames
DeleteEvery(15, 1) # delete bad frames
InterleaveEvery(replace, 15, 5) # replace deleted frames

But 15,5 and 15,1 are different, The numbers in the last 3 lines have to match . The DeleteEvery line is different, it should read 15,5 assuming you want 5,20,35,..... but that clip "00186.dv" used 15,6 if you download the one I uploaded earlier

It should be this if you wanted 15,5:

 
replace = interpolated.SelectEvery(15, 5) # replacement frames
DeleteEvery(15, 5) # delete bad frames
InterleaveEvery(replace, 15, 5) # replace deleted frames

The actual values for 00186.dv were 15,6 because "21" was the 1st "bad" frame

 
replace = interpolated.SelectEvery(15, 6) # replacement frames
DeleteEvery(15, 6) # delete bad frames
InterleaveEvery(replace, 15, 6) # replace deleted frames

[NBninja8]

Okay I'll try this. The reason I had:
DeleteEvery(15, 1) # delete bad frames

Instead of

DeleteEvery(15, 6) # delete bad frames

was because I got the error message about:
DeleteEvery: frame offsets must be in range [0, period)

But thanks for your suggestion about viewing the video in virtualdubmod or avspmod without any filters applied,
that must have been why I was getting the problems.

[Gavino]

The reason I had:
DeleteEvery(15, 1) # delete bad frames

Instead of

DeleteEvery(15, 6) # delete bad frames

was because I got the error message about:
DeleteEvery: frame offsets must be in range [0, period)

You should only get that message if the second number is greater than 14 - like when you had 16 in an earlier post.