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Originally Posted by sunshine
Do the processing steps prior to that final resize affect the color matrix? Is there a way for VapourSynth to tell me the color matrix before and after a processing step?
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You can look at the clip props, but sometimes videos are flagged incorrectly and you will get the wrong results
In general SD is 601, HD is 709
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Good catch, if I understand correctly, this only affects compression ratio and output file size, right? So I could go say "medium", without affecting the video quality right? Just use more disk space (I've got ~20-30 TB available, so no biggie).
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Roughly , yes. I you might get 1-3 % space savings for 2-3x slower processing . You can do some mini tests, but it's really not worth it .
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Interesting idea! You mention bob deinterlacing. QTGMC produces such nice deinterlaced output, is there a reason I'd not want to use QTGMC?
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I mean bob deinterlacing (ie. double rate) with QTGMC . Not using "bob" algorithm to deinterlace