Extension/ColorHold.RoughDraft.Extension.ps1
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<# .SYNOPSIS ColorHold Extension .DESCRIPTION Remove all color information for all RGB colors except for certain one. .LINK https://ffmpeg.org/ffmpeg-filters.html#colorhold #> [Management.Automation.Cmdlet("Edit","Media")] [Management.Automation.Cmdlet("Show","Media")] param( # The color which will not be replaced with neutral gray. [Parameter(Mandatory)] [string] $ColorHold, # Similarity percentage with the above color. 0.01 matches only the exact key color, while 1.0 matches everything. [ValidateRange(0,1)] [float] $ColorHoldSimilarity, # Blend percentage. 0.0 makes pixels fully gray. Higher values result in more preserved color. [ValidateRange(0,1)] [float] $ColorHoldBlend ) $filterArgs = @( if ($ColorHold) {"color=$colorHold"} if ($ColorHoldSimilarity) {"similarity=$ColorHoldSimilarity"} if ($ColorHoldBlend) {"blend=$ColorHoldBlend"} ) -join ':' "-vf" "colorhold=$filterArgs" -replace '=$' |