Sapphire Plug-ins for Open Fx: ClampChroma

S_ClampChroma

Reduces the chrominance of the input clip if necessary so it is not above a specified maximum. This effect can be used to make 'broadcast safe' colors. It also can be used to scale the chrominance, clamp the luminance, or scale the luminance.

In the Sapphire Adjust effects submenu.


Inputs:

Source: The clip to be processed.

Mask: Optional. Interpolate between the result and the Source input. White areas use the result of the effect. Black areas use the Source clip.

Parameters:

Load Preset: Push-button .
Brings up the Preset Browser to browse all available presets for this effect.

Save Preset: Push-button .
Brings up the Preset Save dialog to save a preset for this effect.

Mocha Project: Default: 0, Range: 0 or greater.
Brings up the Mocha window for tracking footage and generating masks.

Blur Mocha: Default: 0, Range: 0 or greater.
Blurs the Mocha Mask by this amount before using. This can be used to soften the edges or quantization artifacts of the mask, and smooth out the time displacements.

Mocha Opacity: Default: 1, Range: 0 to 1.
Controls the strength of the Mocha mask. Lower values reduce the intensity of the effect.

Invert Mocha: Check-box,  Default: off.
If enabled, the black and white of the Mocha Mask are inverted before applying the effect.

Resize Mocha: Default: 1, Range: 0 to 2.
Scales the Mocha Mask. 1.0 is the original size.

Resize Rel X: Default: 1, Range: 0 to 2.
The relative horizontal size of the Mocha Mask.

Resize Rel Y: Default: 1, Range: 0 to 2.
The relative vertical size of the Mocha Mask.

Shift Mocha: X & Y,   Default: [0 0], Range: any.
Offsets the position of the Mocha Mask.

Bypass Mocha: Check-box,  Default: off.
Ignore the Mocha Mask and apply the effect to the entire source clip.

Show Mocha Only: Check-box,  Default: off.
Bypass the effect and show the Mocha Mask itself.

Combine Masks: Popup menu,  Default: Union .
Determines how to combine the Mocha Mask and Input Mask when both are supplied to the effect.
Union: Uses the area covered by both masks together.
Intersect: Uses the area that overlaps between the two masks.
Mocha Only: Ignore the Input Mask and only use the Mocha Mask.

Clamp Chroma: Default: 0.5, Range: 0 to 1.
The maximum chrominance value. 1 is fully saturated and 0 is with no color. Source chrominance values below this will not be affected, but those above it will be reduced to it.

Scale Chroma: Default: 1, Range: 0 or greater.
Scales the chrominance of all pixels. If this is 1 it will have no effect.

Clamp Luma: Default: 1, Range: 0 to 1.
The maximum luminance value. Source pixels brighter than this limit will be reduced to it. Values below it will not be affected. If this is 1 it will have no effect.

Scale Luma: Default: 1, Range: 0 or greater.
Scales the brightness of all pixels. If this is 1 it will have no effect.

Mask Use: Popup menu,  Default: Luma .
Determines how the Mask input channels are used to make a monochrome mask.
Luma: the luminance of the RGB channels is used.
Alpha: only the Alpha channel is used.

Blur Mask: Default: 0.05, Range: 0 or greater.
Blurs the Mask input by this amount before using. This can provide a smoother transition between the masked and unmasked areas. It has no effect unless the Mask input is provided.

Invert Mask: Check-box,  Default: off.
If on, inverts the mask input so the effect is applied to areas where the Mask is black instead of white. This has no effect unless the Mask input is provided.


See Also:

HueSatBright
Monochrome
PseudoColor
DuoTone
TriTone
QuadTone
Tint
Threshold
Hotspots
Gamma
Solarize
ChannelSwitcher
ShowBadColors
Invert
BlurChroma
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