I'm looking for a good deinterlacer filter that's fast (so gpu assisted i'm thinking here) because deinterlacing a 19 min full HD video in ~4 hours with qtgmc is not funny (and with gentle settings at that !)
Thanks for your help guys
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Maybe yadif will be OK for you (quality/speed).
Depends on your definition of "good"
The most common GPU deinterlacers used are intel's QS vpp deinterlace , or nvidia's purevideo deinterlacer . The quality is about on the level of "bob" or "yadif" which might be acceptable depending on the scenario
You can also try speeding up QTGMC with avisynth MT, or do parallel processing of segments
On my i5 2500K, 1920x1080, 29.97i, Mpeg2Source(), AviSynthMT, no encoding:
QTGMC() 2 fps
QTGMC(preset=fast) 9 fps
nnedi3(field=3) 33 fps
Interleave(TFM(field=1),TFM(field=0)) 36 fps
TDeint(mode=1) 61 fps
yadif(mode=1) 208 fps
All CPU based deinterlacers.
Last edited by jagabo; 8th Oct 2016 at 10:49.
In the world of business, it is often said, you get to pick two of the three: good, fast, and cheap. QTGMC is notoriously slow for SD sources—HD is reportedly 6x-8x slower—but is there a better de-interlacer out there at the slower (default) setting? I suppose one would have to run some tests on 60p footage to know for sure.