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🎥 Command line video player
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Playing SDR video without inverse tone mapping in Plasma HDR mode. #13235

Closed laichiaheng closed 1 month ago

laichiaheng commented 9 months ago

Question:

  1. If I don't apply --inverse-tone-mapping, but apply --target-trc=pq, --target-prim=bt.2020, --target-peak=366 and --target-colorspace-hint, does it only increase the brightness of SDR video?

  2. Does it also expand the color space of SDR content to BT.2020 when I apply --target-colorspace-hint? Or it is limited in Rec.709?

  3. Is the --inverse-tone-mapping only an experimental feature? The image looks so weird to me if I apply --inverse-tone-mapping, the white area becomes too bright, the color of skin is weird too. It seems to look better when I play SDR videos in HDR mode without --inverse-tone-mapping.

Ptilopsis01 commented 9 months ago
  1. Maybe you need a profile to trigger these options only when the video is HDR
  2. I'm not sure, perhaps it depends on your monitor?
  3. --inverse-tone-mapping expands SDR to HDR, so it's actually different from the original SDR movie, and of course looks strange
bananakid commented 8 months ago
  1. Maybe you need a profile to trigger these options only when the video is HDR

Would you kindly insight me on the syntax for such a profile, @Ptilopsis01?

Ptilopsis01 commented 8 months ago
  1. Maybe you need a profile to trigger these options only when the video is HDR

Would you kindly insight me on the syntax for such a profile, @Ptilopsis01?

[HDR_video]
profile-desc=HDR_video
profile-cond=(p["video-params/gamma"] == "pq")
...
bananakid commented 8 months ago

@Ptilopsis01, thank you so much for this elegant solution!