Extension/MixAudio.RoughDraft.Extension.ps1
|
<# .Synopsis Mix Audio .Description Audio mixing. .Link https://ffmpeg.org/ffmpeg-filters.html#amix #> [Management.Automation.Cmdlet('Join', 'Media')] param( # Audio mixing. [Parameter(Mandatory)] [switch] $MixAudio, # Number of inputs. [Alias('amix_inputs')] [ValidateRange(1, 1024)] [int] $MixAudioInputs, # How to determine the end-of-stream. [Alias('amix_duration')] [ValidateSet('longest','shortest', 'first')] [string] $MixAudioDuration, # Transition time, in seconds, for volume renormalization when an input stream ends. [Alias('amix_dropout_transition')] [float] $MixAudioDropoutTransition, # Set weight for each input. [Alias('amix_weights','MixAudioWeights')] [string[]] $MixAudioWeight ) $filterName = 'amix' $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 ':' '-af' "$filterName=$filterArgs" -replace "=$" |