Extension/MixVideo.RoughDraft.Extension.ps1
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<# .Synopsis Mix Video .Description Video mixing. .Link https://ffmpeg.org/ffmpeg-filters.html#mix #> [Management.Automation.Cmdlet('Join', 'Media')] param( # Video mixing. [Parameter(Mandatory)] [switch] $MixVideo, # Number of inputs. If unspecified, defaults to 2. [Alias('vmix_inputs')] [ValidateRange(1, 1024)] [int] $MixVideoInputs, # How to determine the end-of-stream. [Alias('vmix_duration')] [ValidateSet('longest','shortest', 'first')] [string] $MixVideoDuration, # Set weight for each input. [Alias('vmix_weights','MixVideoWeights')] [double[]] $MixVideoWeight, # Specify scale, if it is set it will be multiplied with sum of each weight multiplied with pixel values to give final destination pixel value. # By default scale is auto scaled to sum of weights. [Alias('vmix_scale')] [double] $MixVideoScale ) $filterName = 'mix' $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 ':' '-filter_complex' "$filterName=$filterArgs" -replace "=$" |