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Unofficial VirtualDub Support Forums > VirtualDub Filters and Filter Development > Wanted: Remove 1-in-n Frames (intelligent)


Posted by: dloneranger Dec 19 2009, 09:37 PM
Problem:
1) Video has 1 frame repeated in every group of 'n' frames
2) The repeated frame may move it's offset in the group (after a scene change for example)

There are some filters that 'almost' do this
jspdr's, for instance will remove 1-in-n, but requires a fixed offset throughout the entire video

So far the only reliable way of doing this I've found has been with avisynth, where donald graft's decomb plugin will scan the group and remove the most similar frame in each group

But that's the last real reason I have for using avisynth
It'd be a lot simpler if I could find a virtualdub plugin for this
Now that the plugins can access frames out of order it should be possible I guess
(sadly I have never used c++, and the sdk and the instructions for even getting things to compile looks hideous)

So if anyone has seen something that does this I'd appreciate a reply

Thanks for reading, have nice Xmas one and all

Posted by: jpsdr Dec 20 2009, 09:31 AM
If you've get my filters, you still can try the following :
IVTC v4.4.0, leave parameters by default, following by remove frame, leave
parameters by default also.
Don't know if it will work, as IVTC is made to detect telecine,
and reorder frames with always the same offset. Nevertheless, it may work with duplicated frames...

Try it.

Posted by: Jam One Dec 20 2009, 12:57 PM
QUOTE
So far the only reliable way of doing this I've found has been with avisynth, where donald graft's decomb plugin will scan the group and remove the most similar frame in each group

Yes, this is the most reliable way yet.
One of the reasons to use Avisynth for me too. (Others are Lanczos4 resize and custom pulldown).

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