Resizing alignments file

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Resizing alignments file

Post by diffraction24 »

I was just wondering if there was any way of resizing an alignments file, which was extracted at 4k, for use with a convert to 1080p? As far as I can tell the alignments generated from a 4k video should be more accurate than those at 1080, but converting a 4k video turns out to be a real pain, at least for my system. I don't know exactly how the alignments file stores the data, but if it stores coordinates for each point, wouldn't it be as simple as dividing each value by 2?

Thanks for reading.

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Re: Resizing alignments file

Post by torzdf »

I have never tried this, so there may well be caveats, but in theory that should work ok.

For instance, I'm fairly sure masks wouldn't work (as we store the transformation matrix for applying the mask back to the original frame).

Ultimately, you'd need to script this as it's unlikely to be something I would add to the code.

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