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Old 30th November 2022, 13:01   #1  |  Link
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Join Date: Jan 2016
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Capturing - Monitor Color Space

Good day everyone,
I have a simple question with probably not an easy answer.
I want to capture (or prefered pipe the bitstream of) a video with the color space of my monitor.
So an exact copy of the image what is displayed. The only way I could think of is to use a calibrating tool to save and apply the .icc to my video. But I thought maybe there is a way to detect and calculate the color space without additional hardware.
Does someone has an idea ?
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Old 30th November 2022, 19:44   #2  |  Link
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Join Date: Feb 2007
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Posts: 1,537
Whatever the capturing monitor might be capable of should be of no concern.
Capturing means to take as-is, just don't clip, and take care of processing later.
Depending on capture device you might be able to match the analog pedestal range
(and if gain, black slope, white slope etc are available)
using a monochrome waveform monitor to make sure nothing clips before digitizing.

After that comes preprocessing, colour correction, editing etc.
and now you need full gamut for whatever you may aim for.

The capturing monitor's .icc only represents a correction curve somebody found to make any odd monitor just bearable,
and does not represent any absolute luminous density which you should base any decision on.
"To bypass shortcuts and find suffering...is called QUALity" (Die toten Augen von Friedrichshain)
"Data reduction ? Yep, Sir. We're that issue working on. Synce invntoin uf lingöage..."
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bitstream, capture, color space

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