Extension/Monochrome.RoughDraft.Extension.ps1
<# .Synopsis Make video monochrome .Description Make video monochrome, using the monochrome filter. .Link https://ffmpeg.org/ffmpeg-filters.html#monochrome #> [Runtime.CompilerServices.Extension()] # It's an extension [Management.Automation.Cmdlet("Edit","Media")] # that extends Edit-Media param( [Parameter(Mandatory)] [switch] $Monochrome, # Set the chroma blue spot. Allowed range is from -1 to 1. Default value is 0. [ValidateRange(-1,1)] [double] $MonochromeChromaBlueSpot, # Set the chroma red spot. Allowed range is from -1 to 1. Default value is 0. [ValidateRange(-1,1)] [double] $MonochromeChromaRedSpot, # Set the color filter size. Allowed range is from .1 to 10. Default value is 1. [ValidateRange(.1,10)] [double] $MonochromeColorFilterSize, # Set the highlights strength. Allowed range is from 0 to 1. Default value is 0. [ValidateRange(0,1)] [double] $MonochromeHighlightStrength ) $filterArgs =@( if ($MonochromeChromaBlueSpot) { "cb=$MonochromeChromaBlueSpot" } if ($MonochromeChromaRedSpot) { "cr=$MonochromeChromaRedSpot" } if ($MonochromeColorFilterSize) { "size=$MonochromeColorFilterSize" } if ($MonochromeColorFilterSize) { "high=$MonochromeHighlightStrength" } ) -join ':' "-vf" "monochrome=$filterArgs" -replace '=$' |