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Desaturation issue #85

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pqsmmobile opened this issue Jan 22, 2024 · 5 comments
Open

Desaturation issue #85

pqsmmobile opened this issue Jan 22, 2024 · 5 comments

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@pqsmmobile
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When using novideo_srgb+clamp to srgb, and the clamp is active and a movie is played in madvr with bt.709 3dlut - the picture is more desaturated.

@Terepin
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Terepin commented Jan 26, 2024

That means that MadVR is using color profile. Make sure it's not installed in Windows.

@pqsmmobile
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That means that MadVR is using color profile. Make sure it's not installed in Windows.

Windows uses the standard sRGB profile

Capture363665

@Terepin
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Terepin commented Jan 26, 2024

That's the reason. It shouldn't use any color profile, because if the app is color aware, then it uses this profile and then NoVideo_sRGB applies second gamut clamp on top of that, resulting in desaturated colors.

@pqsmmobile
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That's the reason. It shouldn't use any color profile, because if the app is color aware, then it uses this profile and then NoVideo_sRGB applies second gamut clamp on top of that, resulting in desaturated colors.

The only two options that work with madvr are - to disable calibration in madvr or choose the display that is already calibrated to bt 709. Using a 3dlut with novideo_srg enabled clamp is impossible.

@Terepin
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Terepin commented Jan 29, 2024

Then disable calibration.

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