Am 26.12.25 um 12:34 schrieb Bouke / Videotoolshed via ffmpeg-user:
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Its a trivial point, to say without lossy its not possible, we live in a world
of h.262 (DVD), h.264 (HD-TV) h.265 (UHD-TV), all are based on lossy codecs.
Its only a pointless discussion for people who live in a not lossy world.
I know what world we live in. I’m in pro-video for some 40 years.
My bad, you are the OP.
You are de-interlacing and doing noise reduction.
What you do NOT do is a fair test.
Use the de-interlacing and noise reduction and go to a really lossless codec,
THEN do your comparison to see if that’s not the culprit.
Then, omit the de-interlacing (Why would you want to de-interlace anyways? Not
to remove pulldown I might hope?), omit the noise reduction and go to H265,
then do the comparison.
Then you know.
Also, just for giggles, LOOK at it. Does it seem acceptable? If so, it IS
acceptable.
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Translate your answer to ffmpeg parameter.
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