Extension/ScrollVideo.RoughDraft.Extension.ps1
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<# .Synopsis Scrolls video .Description Scrolls video, using the scroll filter .Link https://ffmpeg.org/ffmpeg-filters.html#scroll #> [Runtime.CompilerServices.Extension()] # It's an extension [Management.Automation.Cmdlet("^(Edit|Show)","Media")] # that extends Edit/Show-Media param( # If set, will scroll video. [Parameter(Mandatory)] [switch] $Scroll, # Set the horizontal scrolling speed. Default is 0. # Allowed range is from -1 to 1. # Negative values changes scrolling direction. [ValidateRange(-1,1)] [double] $HorizontalScrollSpeed, # Set the initial horizontal scrolling position. # Default is 0. # Allowed range is from 0 to 1. [ValidateRange(0,1)] [double] $HorizontalScrollStartPosition, # Set the vertical scrolling speed. Default is 0. # Allowed range is from -1 to 1. # Negative values changes scrolling direction. [ValidateRange(-1,1)] [double] $VerticalScrollSpeed, # Set the initial vertical scrolling position. # Default is 0. # Allowed range is from 0 to 1. [ValidateRange(0,1)] [double] $VerticalScrollStartPosition ) $filterArgs =@( if ($HorizontalScrollSpeed) { "horizontal=$HorizontalScrollSpeed" } if ($HorizontalScrollStartPosition) { "hpos=$HorizontalScrollStartPosition" } if ($VerticalScrollSpeed) { "vertical=$VerticalScrollSpeed" } if ($VerticalScrollStartPosition) { "vpos=$VerticalScrollStartPosition" } if ($MonochromeColorFilterSize) { "high=$MonochromeHighlightStrength" } ) -join ':' "-vf" "scroll=$filterArgs" -replace '=$' |