Commands/Shaders/Get-OBSDensitySatHueShader.ps1
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function Get-OBSDensitySatHueShader { [Alias('Set-OBSDensitySatHueShader','Add-OBSDensitySatHueShader')] param( # Set the notes of OBSDensitySatHueShader [ComponentModel.DefaultBindingProperty('notes')] [String] $Notes, # Set the density_r of OBSDensitySatHueShader [Alias('density_r')] [ComponentModel.DefaultBindingProperty('density_r')] [Single] $DensityR, # Set the saturation_r of OBSDensitySatHueShader [Alias('saturation_r')] [ComponentModel.DefaultBindingProperty('saturation_r')] [Single] $SaturationR, # Set the hueShift_r of OBSDensitySatHueShader [Alias('hueShift_r')] [ComponentModel.DefaultBindingProperty('hueShift_r')] [Single] $HueShiftR, # Set the density_y of OBSDensitySatHueShader [Alias('density_y')] [ComponentModel.DefaultBindingProperty('density_y')] [Single] $DensityY, # Set the saturation_y of OBSDensitySatHueShader [Alias('saturation_y')] [ComponentModel.DefaultBindingProperty('saturation_y')] [Single] $SaturationY, # Set the hueShift_y of OBSDensitySatHueShader [Alias('hueShift_y')] [ComponentModel.DefaultBindingProperty('hueShift_y')] [Single] $HueShiftY, # Set the density_g of OBSDensitySatHueShader [Alias('density_g')] [ComponentModel.DefaultBindingProperty('density_g')] [Single] $DensityG, # Set the saturation_g of OBSDensitySatHueShader [Alias('saturation_g')] [ComponentModel.DefaultBindingProperty('saturation_g')] [Single] $SaturationG, # Set the hueShift_g of OBSDensitySatHueShader [Alias('hueShift_g')] [ComponentModel.DefaultBindingProperty('hueShift_g')] [Single] $HueShiftG, # Set the density_c of OBSDensitySatHueShader [Alias('density_c')] [ComponentModel.DefaultBindingProperty('density_c')] [Single] $DensityC, # Set the saturation_c of OBSDensitySatHueShader [Alias('saturation_c')] [ComponentModel.DefaultBindingProperty('saturation_c')] [Single] $SaturationC, # Set the hueShift_c of OBSDensitySatHueShader [Alias('hueShift_c')] [ComponentModel.DefaultBindingProperty('hueShift_c')] [Single] $HueShiftC, # Set the density_b of OBSDensitySatHueShader [Alias('density_b')] [ComponentModel.DefaultBindingProperty('density_b')] [Single] $DensityB, # Set the saturation_b of OBSDensitySatHueShader [Alias('saturation_b')] [ComponentModel.DefaultBindingProperty('saturation_b')] [Single] $SaturationB, # Set the hueShift_b of OBSDensitySatHueShader [Alias('hueShift_b')] [ComponentModel.DefaultBindingProperty('hueShift_b')] [Single] $HueShiftB, # Set the density_m of OBSDensitySatHueShader [Alias('density_m')] [ComponentModel.DefaultBindingProperty('density_m')] [Single] $DensityM, # Set the saturation_m of OBSDensitySatHueShader [Alias('saturation_m')] [ComponentModel.DefaultBindingProperty('saturation_m')] [Single] $SaturationM, # Set the hueShift_m of OBSDensitySatHueShader [Alias('hueShift_m')] [ComponentModel.DefaultBindingProperty('hueShift_m')] [Single] $HueShiftM, # Set the global_density of OBSDensitySatHueShader [Alias('global_density')] [ComponentModel.DefaultBindingProperty('global_density')] [Single] $GlobalDensity, # Set the global_saturation of OBSDensitySatHueShader [Alias('global_saturation')] [ComponentModel.DefaultBindingProperty('global_saturation')] [Single] $GlobalSaturation, # The name of the source. This must be provided when adding an item for the first time [Parameter(ValueFromPipelineByPropertyName)] [Alias('SceneItemName')] [String] $SourceName, # The name of the filter. If this is not provided, this will default to the shader name. [Parameter(ValueFromPipelineByPropertyName)] [String] $FilterName, # The inline value of the shader. This will normally be provided as a default parameter, based off of the name. [Alias('ShaderContent')] [String] $ShaderText, # If set, will force the recreation of a shader that already exists [Management.Automation.SwitchParameter] $Force, # If set, will pass thru the commands that would be sent to OBS (these can be sent at any time with Send-OBS) [Management.Automation.SwitchParameter] $PassThru, # If set, will not wait for a response from OBS (this will be faster, but will not return anything) [Management.Automation.SwitchParameter] $NoResponse, # If set, use the shader elapsed time, instead of the OBS system elapsed time [ComponentModel.DefaultBindingProperty('use_shader_elapsed_time')] [Management.Automation.SwitchParameter] $UseShaderTime ) process { $shaderName = 'density_sat_hue' $ShaderNoun = 'OBSDensitySatHueShader' if (-not $psBoundParameters['ShaderText']) { $psBoundParameters['ShaderText'] = $ShaderText = ' // Density-Saturation-Hue Shader for OBS Shaderfilter // Modified by CameraTim for use with obs-shaderfilter 12/2024 v.12 uniform string notes< string widget_type = "info"; > = "Density adjustment shader: Density reduces luminance, while saturation is subtractively increased to avoid greyish colors."; uniform float density_r < string label = "Red Density"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float saturation_r < string label = "Red Sat"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float hueShift_r < string label = "Red Hue Shift"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float density_y < string label = "Yellow Density"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float saturation_y < string label = "Yellow Sat"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float hueShift_y < string label = "Yellow Hue Shift"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float density_g < string label = "Green Density"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float saturation_g < string label = "Green Sat"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float hueShift_g < string label = "Green Hue Shift"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float density_c < string label = "Cyan Density"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float saturation_c < string label = "Cyan Sat"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float hueShift_c < string label = "Cyan Hue Shift"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float density_b < string label = "Blue Density"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float saturation_b < string label = "Blue Sat"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float hueShift_b < string label = "Blue Hue Shift"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float density_m < string label = "Magenta Density"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float saturation_m < string label = "Magenta Sat"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float hueShift_m < string label = "Magenta Hue Shift"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float global_density < string label = "Global Density"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; uniform float global_saturation < string label = "Global Sat"; string widget_type = "slider"; float minimum = -1.0; float maximum = 1.0; float step = 0.001; > = 0.0; // Tetrahedral interpolation based on the ordering of the input color channels float3 applyAdjustments(float3 p) { // Pre-calculate the flipped density values for each channel: float d_r = -(density_r + global_density); float d_y = -(density_y + global_density); float d_g = -(density_g + global_density); float d_c = -(density_c + global_density); float d_b = -(density_b + global_density); float d_m = -(density_m + global_density); // Compute the color vectors for each hue region using the flipped densities: float3 red = float3( 1.0 + d_r, d_r - (saturation_r + global_saturation), d_r + hueShift_r - (saturation_r + global_saturation) ); float3 yellow = float3( 1.0 + hueShift_y + d_y, 1.0 + d_y, d_y - (saturation_y + global_saturation) ); float3 green = float3( d_g - (saturation_g + global_saturation), 1.0 + d_g, d_g + hueShift_g - (saturation_g + global_saturation) ); float3 cyan = float3( d_c - (saturation_c + global_saturation), 1.0 + hueShift_c + d_c, 1.0 + d_c ); float3 blue = float3( d_b + hueShift_b - (saturation_b + global_saturation), d_b - (saturation_b + global_saturation), 1.0 + d_b ); float3 magenta = float3( 1.0 + d_m, d_m - (saturation_m + global_saturation), 1.0 + hueShift_m + d_m ); // Define the black and white endpoints: float3 blk = float3(0.0, 0.0, 0.0); float3 wht = float3(1.0, 1.0, 1.0); float3 rgb; if (p.r > p.g) { if (p.g > p.b) { // p.r >= p.g >= p.b rgb = p.r * (red - blk) + blk + p.g * (yellow - red) + p.b * (wht - yellow); } else if (p.r > p.b) { // p.r >= p.b > p.g rgb = p.r * (red - blk) + blk + p.g * (wht - magenta) + p.b * (magenta - red); } else { // p.b >= p.r > p.g rgb = p.r * (magenta - blue) + p.g * (wht - magenta) + p.b * (blue - blk) + blk; } } else { if (p.b > p.g) { // p.b >= p.g >= p.r rgb = p.r * (wht - cyan) + p.g * (cyan - blue) + p.b * (blue - blk) + blk; } else if (p.b > p.r) { // p.g >= p.r and p.b > p.r rgb = p.r * (wht - cyan) + p.g * (green - blk) + blk + p.b * (cyan - green); } else { // p.g >= p.b >= p.r rgb = p.r * (yellow - green) + p.g * (green - blk) + blk + p.b * (wht - yellow); } } return clamp(rgb, 0.0, 1.0); } float4 mainImage(VertData v_in) : TARGET { float4 inputColor = image.Sample(textureSampler, v_in.uv); float3 adjustedColor = applyAdjustments(inputColor.rgb); return float4(adjustedColor, inputColor.a); } ' } $MyVerb, $myNoun = $MyInvocation.InvocationName -split '-',2 if (-not $myNoun) { $myNoun = $myVerb $myVerb = 'Get' } switch -regex ($myVerb) { Get { $FilterNamePattern = "(?>$( if ($FilterName) { [Regex]::Escape($FilterName) } else { [Regex]::Escape($ShaderNoun -replace '^OBS' -replace 'Shader$'),[Regex]::Escape($shaderName) -join '|' } ))" if ($SourceName) { Get-OBSInput | Where-Object InputName -eq $SourceName | Get-OBSSourceFilterList | Where-Object FilterName -Match $FilterNamePattern } else { $obs.Inputs | Get-OBSSourceFilterList | Where-Object FilterName -Match $FilterNamePattern } } 'Remove' { if ($SourceName) { Get-OBSInput | Where-Object InputName -eq $SourceName | Get-OBSSourceFilterList | Where-Object FilterName -Match $FilterNamePattern | Remove-OBSSourceFilter } } '(?>Add|Set)' { $ShaderSettings = [Ordered]@{} :nextParameter foreach ($parameterMetadata in $MyInvocation.MyCommand.Parameters[@($psBoundParameters.Keys)]) { foreach ($parameterAttribute in $parameterMetadata.Attributes) { if ($parameterAttribute -isnot [ComponentModel.DefaultBindingPropertyAttribute]) { continue } $ShaderSettings[$parameterAttribute.Name] = $PSBoundParameters[$parameterMetadata.Name] if ($ShaderSettings[$parameterAttribute.Name] -is [switch]) { $ShaderSettings[$parameterAttribute.Name] = $ShaderSettings[$parameterAttribute.Name] -as [bool] } continue nextParameter } } if (-not $PSBoundParameters['FilterName']) { $filterName = $PSBoundParameters['FilterName'] = $shaderName } $ShaderFilterSplat = [Ordered]@{ ShaderSetting = $ShaderSettings FilterName = $FilterName SourceName = $SourceName } foreach ($CarryOnParameter in "PassThru", "NoResponse","Force") { if ($PSBoundParameters.ContainsKey($CarryOnParameter)) { $ShaderFilterSplat[$CarryOnParameter] = $PSBoundParameters[$CarryOnParameter] } } if (-not $script:CachedShaderFilesFromCommand) { $script:CachedShaderFilesFromCommand = @{} } if ($Home -and -not $script:CachedShaderFilesFromCommand[$shaderName]) { $MyObsPowerShellPath = Join-Path $home ".obs-powershell" $ThisShaderPath = Join-Path $MyObsPowerShellPath "$shaderName.shader" $shaderText | Set-Content -LiteralPath $ThisShaderPath $script:CachedShaderFilesFromCommand[$shaderName] = Get-Item -LiteralPath $ThisShaderPath } if ($script:CachedShaderFilesFromCommand[$shaderName]) { $ShaderFilterSplat.ShaderFile = $script:CachedShaderFilesFromCommand[$shaderName].FullName } else { $ShaderFilterSplat.ShaderText = $shaderText } if ($myVerb -eq 'Add') { Add-OBSShaderFilter @ShaderFilterSplat } else { Set-OBSShaderFilter @ShaderFilterSplat } } } } } |