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TOPIC: Custom and User Effects

Custom and User Effects 10 months, 1 week ago #189749

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EffectAuthorDownloadCategoryCreatedThis version
Channel diagnosticsjwrlChannelDiags.fxUserDecember 20 2015February 12 2019

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This is a diagnostic tool that can be used to display individual RGB channels, luminance, summed RGB, U, V and alpha channels. The input alpha channel is maintained in the output for potential later use in other effects.

This effect is probably redundant with the improved video waveform monitoring in Lightworks version 14 or better.
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Last Edit: 8 months ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189750

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EffectAuthorDownloadCategoryCreatedThis version
Clamp to 16-235khaverClamp_16_235.fxUserMay 5 2011December 27 2018

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There are three tools in this group designed to manage broadcast colour space. This one applies a hard clip at TV white and TV black. The other two expand legal TV white and legal TV black out to full gamut RGB or reduce full gamut RGB video to legal TV white and legal TV black.
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Last Edit: 9 months, 2 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189751

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EffectAuthorDownloadCategoryCreatedThis version
Color barskhaverColorbars.fxUserDecember 5 2011December 27 2018

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This version of colorbars provides a SMPTE alternative to the Lightworks-supplied EBU version. It installs into the custom category "User", subcategory "Technical".
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Last Edit: 9 months, 2 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189752

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EffectAuthorDownloadCategoryCreatedThis version
Colour swizzlerjwrlColourSwizzler.fxUserOctober 19 2017December 27 2018

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This is a diagnostic tool that "swizzles" the RGB channels to correct for bad channel assignments or to just generally produce dramatic results. The example above shows what happens with the various settings when they are applied to colour bars.
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Last Edit: 9 months, 2 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189753

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EffectAuthorDownloadCategoryCreatedThis version
De-interlacejwrlDeInterlace.fxUserMarch 14 2017December 27 2018

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Note: This de-interlace effect is designed to work only on interlaced media of the same resolution as the project, and to then export only at that resolution. If this is not the case severe "combing" can result which may be impossible to remove.

The effect has seven modes of operation: odd field only, even field only, blended fields, odd field interpolated, even field interpolated and two blended interpolated modes. The blended interpolated mode can also be used as a very effective antialias tool.
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Last Edit: 4 months, 1 week ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189754

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EffectAuthorDownloadCategoryCreatedThis version
Expand 16-235 to 0-255khaverExpand_16_235.fxUserMay 5 2011December 27 2018

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There are three tools in this group designed to manage broadcast colour space. This one expands legal TV white and legal TV black out to full gamut RGB. The other two clamp or reduce full gamut RGB video to legal TV white and legal TV black.
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Last Edit: 9 months, 2 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189755

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EffectAuthorDownloadCategoryCreatedThis version
Exposure levellerkhaverExposureLeveller.fxUserJune 10 2016December 27 2018

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This exposure levelling effect is designed to correct fairly static shots where the exposure varies over time. The top frame shows the example frame, the middle one is an over-exposed section of the video, and the bottom frame is the result of the effect.

To use it select a frame that has the best exposure and create a frame grab using the Lightworks command "Save current frame" that you will find in "Key Assignments". Import that frame and add it to the edit on a track under the video for the entire duration of the clip to be processed. Add the effect and check the box to view the sample frame then adjust the E1, E2, and E3 points to areas where there is minimal movement in the video clip. The only constraint is that the chosen points must not be in pure black or white areas.

If there is camera movement uncheck "Use Example Points for Video" and keyframe the V1, V2 and V3 points so they track the E1, E2 and E3 points. Uncheck "Show Example Frame" and the exposure in the video clip should stay close to the sample frame's exposure. Further fine tuning can be done with the "Tune" slider.
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Last Edit: 9 months, 2 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189756

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EffectAuthorDownloadCategoryCreatedThis version
HSV wheelkhaverHSVwheel.fxUserMarch 15 2013December 27 2018

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HSV Wheel is another colour analysis tool. It shows one or optionally two pixel reference points mapped onto the HSV wheel(s). Select the pixels with the on-screen cross-hairs and move and zoom the HSV wheels to wherever you need. The small dot in each wheel shows the hue and saturation of its associated reference point. The outer ring displays the brightness value.
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Last Edit: 9 months, 2 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189757

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EffectAuthorDownloadCategoryCreatedThis version
Safe area and crosshatchjwrlSafeAreaCrosshatch.fxUserJanuary 23 2016December 27 2018

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This effect displays action safe, title safe, and centre cross to current EBU and SMPTE specification, and to older legacy requirements. It also optionally provides the centre 4x3 display that some may need. It can optionally display crosshatch either as a video overlay or as a standalone pattern. If you don't need the crosshatch you can use the safe area generator section on its own.
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Last Edit: 9 months, 2 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189758

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EffectAuthorDownloadCategoryCreatedThis version
Shrink 0-255 to 16-235khaverShrink_16_235.fxUserMay 5 2011December 27 2018

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There are three tools in this group designed to manage broadcast colour space. This one reduces full gamut RGB video to legal TV white and legal TV black. The other two apply a hard clip at TV white and TV black or expand legal TV white and legal TV black out to full gamut RGB.
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Last Edit: 9 months, 2 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189759

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EffectAuthorDownloadCategoryCreatedThis version
Show highs and lowsjuharticShowHiLo.fxUserMay 9 2016December 27 2018

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This tool is designed to help assess peak white and black overruns. It's very handy for ensuring broadcast compliance.
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Last Edit: 6 months, 4 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189760

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EffectAuthorDownloadCategoryCreatedThis version
TenderizerkhaverTenderizer.fxUserJune 3 2016December 27 2018

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This effect converts 8 bit video to 10 bit video by using spline interpolation on luma and chroma to create intermediate colours. Set your project to 10 bit and set the source width and height resolution for the best results. The vectorscope image (above) on the left shows the original image. Note the gaps in the trace. The one on the right has been tenderized. Note the fewer gaps, which means more colours.

Note: There will be a slight softening (tenderizing) of the image. Also, the alpha channel is not changed.
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Last Edit: 9 months, 2 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189761

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EffectAuthorDownloadCategoryCreatedThis version
Test greyscalejwrlTestGreyscale.fxUserApril 1 2017December 27 2018

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Inspired by an earlier discussion on these forums, this effect generates greyscale test patterns. A total of ten unique patterns can be generated. There are three versions of simple ten step bars, three of the compound bar pattern, two simple grey scales, and two compound grey scales. The variants of each are produced by selecting between BT.709 levels, full gamut decimal, or full gamut hexadecimal. Although it's possible to select both decimal and hex versions of both gradient patterns they produce identical results.
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Last Edit: 9 months, 2 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189762

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EffectAuthorDownloadCategoryCreatedThis version
Zebra stripesjwrlZebra_Stripes.fxUserApril 20 2016December 27 2018

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Here is another means of displaying highlight overrun and black underrun. This effect displays zebra patterning in over white and under black areas of the frame. The settings are adjustable but default to 16-239 (8 bit). Settings display as 8 bit values to make things simpler.
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Last Edit: 9 months, 2 weeks ago by jwrl.

Custom and User Effects 10 months, 1 week ago #189763

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EffectAuthorDownloadCategoryCreatedThis version
AcidulatejwrlAcidulateFx.fxStylizeMay 14 2016December 27 2018

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Acidulate takes us back to the '60s. Back then, to see something like this you'd have to have been doing something illegal.
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Last Edit: 9 months, 2 weeks ago by jwrl.
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