Extension/SwapRect.RoughDraft.Extension.ps1
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<# .Synopsis swaprect .Description Swap 2 rectangular objects in video. .NOTES All options support expressions containing the following variables: |Variable|Description| |-|-| |w|The input width| |h|The input height| |a|The input width/ The Input Height| |sar|input sample aspect ratio| |dar|input display aspect ratio, it is the same as (w / h) * sar| |n|The number of the input frame, starting from 0. |t|The timestamp expressed in seconds. It’s NAN if the input timestamp is unknown. |pos|the position in the file of the input frame, NAN if unknown; deprecated, do not use| .Link https://ffmpeg.org/ffmpeg-filters.html#swaprect #> [Management.Automation.Cmdlet('Edit', 'Media')] param( # Swap 2 rectangular objects in video. [Parameter(Mandatory)] [switch] $Swaprect, # set rect width [Alias('swaprect_w')] [string] $SwapRectWidth, # set rect height [Alias('swaprect_h')] [string] $SwapRectHeight, # set 1st rect x top left coordinate [Alias('swaprect_x1')] [string] $SwapRectX1, # set 1st rect y top left coordinate [Alias('swaprect_y1')] [string] $SwapRectY1, # set 2nd rect x top left coordinate [Alias('swaprect_x2')] [string] $SwapRectX2, # set 2nd rect y top left coordinate [Alias('swaprect_y2')] [string] $SwapRectY2 ) $filterName = 'swaprect' $myCmd = $MyInvocation.MyCommand $filterArgs = @( foreach ($kv in $PSBoundParameters.GetEnumerator()) { $match= foreach ($paramAlias in $myCmd.Parameters[$kv.Key].Aliases) { $m = [Regex]::Match($paramAlias, '_(?<p>.+)$') if ($m.Success) { $m;break } } if ($match.Success) { $v = $kv.Value $p = $match.Value -replace '^_' if ($v -is [switch]) { $v = ($v -as [bool] -as [int]).ToString().ToLower() } if ($v -is [string] -and $myCmd.Parameters[$kv.Key].ValidateSet) { $v = $v.ToLower() } "$p=$($v)" } } ) -join ':' '-vf' "$filterName=$filterArgs" -replace "=$" |