Commands/Filters/Set-OBSShaderFilter.ps1
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function Set-OBSShaderFilter { <# .SYNOPSIS Sets a Shader filter. .DESCRIPTION Adds or Changes a Shader Filter on an OBS Input. This requires that the [OBS Shader Filter](https://github.com/exeldro/obs-shaderfilter) is installed. .EXAMPLE Show-OBS -Uri https://pssvg.start-automating.com/Examples/Stars.svg | Set-OBSShaderFilter -FilterName "Shader" -ShaderFile fisheye-xy -ShaderSetting @{ center_x_percent=30 center_y_percent=70 } #> [Alias('Add-OBSShaderFilter')] param( # The text of the shader [Parameter(ValueFromPipelineByPropertyName)] [string]$ShaderText, # The file path to the shader, or the short file name of the shader. [Parameter(ValueFromPipelineByPropertyName)] [Alias('ShaderName')] [string] $ShaderFile, # Any other settings for the shader. # To see what the name of a shader setting is, change it in the user interface and then get the input's filters. [Parameter(ValueFromPipelineByPropertyName)] [Alias('ShaderSettings')] [PSObject] $ShaderSetting, # 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 ) dynamicParam { $baseCommand = if (-not $script:AddOBSSourceFilter) { $script:AddOBSSourceFilter = $executionContext.SessionState.InvokeCommand.GetCommand('Add-OBSSourceFilter','Function') $script:AddOBSSourceFilter } else { $script:AddOBSSourceFilter } $IncludeParameter = @() $ExcludeParameter = 'FilterKind','FilterSettings' $DynamicParameters = [Management.Automation.RuntimeDefinedParameterDictionary]::new() :nextInputParameter foreach ($paramName in ([Management.Automation.CommandMetaData]$baseCommand).Parameters.Keys) { if ($ExcludeParameter) { foreach ($exclude in $ExcludeParameter) { if ($paramName -like $exclude) { continue nextInputParameter} } } if ($IncludeParameter) { $shouldInclude = foreach ($include in $IncludeParameter) { if ($paramName -like $include) { $true;break} } if (-not $shouldInclude) { continue nextInputParameter } } $DynamicParameters.Add($paramName, [Management.Automation.RuntimeDefinedParameter]::new( $baseCommand.Parameters[$paramName].Name, $baseCommand.Parameters[$paramName].ParameterType, $baseCommand.Parameters[$paramName].Attributes )) } $DynamicParameters } process { $myParameters = [Ordered]@{} + $PSBoundParameters if (-not $myParameters["FilterName"]) { $filterName = $myParameters["FilterName"] = "Shader" } $shaderSettings = [Ordered]@{} if ($ShaderText) { $shaderSettings.shader_text = $ShaderText } elseif ($ShaderFile) { if ($ShaderFile -match '[\\/]') { $shaderSettings.shader_file_name = $shaderSettings.$ExecutionContext.SessionState.Path.GetResolvedProviderPathFromPSPath($ShaderFile) -replace "\\", "/" } else { if (-not $script:CachedOBSShaderFilters) { $script:CachedOBSShaderFilters = Get-OBS | # Get the OBS object Select-Object -ExpandProperty Process | # which has a process Split-Path | Split-Path | Split-Path | # from it's parent path, we go up three levels. Join-Path -ChildPath data | Join-Path -ChildPath obs-plugins | # then down into plugin data. Get-ChildItem -Filter obs-shaderfilter | Get-ChildItem -Filter examples | Get-ChildItem -File # get all of the files in this directory } $foundShaderFile = $script:CachedOBSShaderFilters | Where-Object Name -Like "$shaderFile*" | Select-Object -First 1 if ($foundShaderFile) { $shaderSettings.shader_file_name = $foundShaderFile.FullName -replace "\\", "/" } } } if ($shaderSetting) { if ($shaderSetting -is [Collections.IDictionary]) { foreach ($kv in $shaderSetting.GetEnumerator()) { $shaderSettings[$kv.Key] = $kv.Value } } elseif ($shaderSetting -is [psobject]) { foreach ($prop in $shaderSetting.psobject.properties) { $shaderSettings[$prop.Name] = $prop.Value } } } if ($shaderSettings.shader_file_name) { $shaderSettings.from_file = $true } $addSplat = @{ filterName = $myParameters["FilterName"] SourceName = $myParameters["SourceName"] filterKind = "shader_filter" filterSettings = $shaderSettings 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 filter. $outputAddedResult = Add-OBSSourceFilter @addSplat *>&1 # If we got back an error if ($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 } } } |