Commands/Filters/Set-OBSScaleFilter.ps.ps1
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function Set-OBSScaleFilter { <# .SYNOPSIS Sets a Scale filter. .DESCRIPTION Adds or Changes a Scale Filter on an OBS Input. This allows you to resize the image source. .EXAMPLE Show-OBS -Uri https://pssvg.start-automating.com/Examples/Stars.svg | Set-OBSScaleFilter -Resolution "16:9" #> [inherit(Command={ Import-Module ..\..\obs-powershell.psd1 -Global "Add-OBSSourceFilter" }, Dynamic, Abstract, ExcludeParameter='FilterKind','FilterSettings')] [Alias('Add-OBSScaleFilter')] param( # The Resolution. Can either width x height (e.g. 1920x1080) or an aspect ratio (16:9). [Parameter(ValueFromPipelineByPropertyName)] [ComponentModel.DefaultBindingProperty("resolution")] [Alias('Scale')] [string] $Resolution, # The sampling method. It will default to "lanczos". [Parameter(ValueFromPipelineByPropertyName)] [ComponentModel.DefaultBindingProperty("sampling")] [string] $Sampling = 'lanczos', # If set, will keep the aspect ratio when scaling. # This is only valid if the sampling method is set to "lanczos". [Parameter(ValueFromPipelineByPropertyName)] [ComponentModel.DefaultBindingProperty("undistort")] [Alias('Undistort')] [switch] $KeepAspectRatio, # If set, will remove a filter if one already exists. # If this is not provided and the filter already exists, the settings of the filter will be changed. [switch] $Force ) process { $myParameters = [Ordered]@{} + $PSBoundParameters if (-not $myParameters["FilterName"]) { $filterName = $myParameters["FilterName"] = "Scale" } $addSplat = @{ filterName = $myParameters["FilterName"] SourceName = $myParameters["SourceName"] filterKind = "scale_filter" filterSettings = [Ordered]@{resolution=$Resolution;sampling=$Sampling;undistort=$KeepAspectRatio -as [bool]} NoResponse = $myParameters["NoResponse"] } if ($MyParameters["PassThru"]) { $addSplat.Passthru = $MyParameters["PassThru"] if ($MyInvocation.InvocationName -like 'Add-*') { Add-OBSSourceFilter @addSplat } else { $addSplat.Remove('FilterKind') Set-OBSSourceFilterSettings @addSplat } return } # Add the input. $outputAddedResult = Add-OBSSourceFilter @addSplat *>&1 # If we got back an error if ($outputAddedResult -is [Management.Automation.ErrorRecord]) { # and that error was saying the source already exists, if ($outputAddedResult.TargetObject.d.requestStatus.code -eq 601) { # then check if we use the -Force. if ($Force) { # If we do, remove the input Remove-OBSSourceFilter -FilterName $addSplat.FilterName -SourceName $addSplat.SourceName # and re-add our result. $outputAddedResult = Add-OBSInput @addSplat *>&1 } else { # Otherwise, get the existing filter. $existingFilter = Get-OBSSourceFilter -SourceName $addSplat.SourceName -FilterName $addSplat.FilterName # then apply the settings $existingFilter.Set($addSplat.filterSettings) # and output them $existingFilter # (don't forget to null the result, so we don't show this error) $outputAddedResult = $null } } # If the output was still an error if ($outputAddedResult -is [Management.Automation.ErrorRecord]) { # use $psCmdlet.WriteError so that it shows the error correctly. $psCmdlet.WriteError($outputAddedResult) } } # Otherwise, if we had a result elseif ($outputAddedResult) { # Otherwise, get the input from the filters. Get-OBSSourceFilter -SourceName $addSplat.SourceName -FilterName $addSplat.FilterName } } } |