Add managed Windows remote audio stack
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# Dependency setup is kept separate from the process supervisor. Nothing is
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# downloaded or installed when all configured executables already exist.
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$script:depsProjectRoot = $PSScriptRoot
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$script:depsManifest = Get-Content -LiteralPath (Join-Path $PSScriptRoot 'dependencies.json') -Raw | ConvertFrom-Json
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$script:depsDownloadDir = Join-Path $PSScriptRoot '.runtime\downloads'
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$script:depsInstallDir = Join-Path $PSScriptRoot '.deps'
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function Test-JackPaths($config) {
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return (Test-Path -LiteralPath $config.jackd -PathType Leaf) -and
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(Test-Path -LiteralPath (Join-Path $config.jackTools 'jack_lsp.exe') -PathType Leaf) -and
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(Test-Path -LiteralPath (Join-Path $config.jackTools 'jack_connect.exe') -PathType Leaf)
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}
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function Test-JackRouter {
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return (Test-Path -LiteralPath 'HKLM:\SOFTWARE\ASIO\JackRouter') -and
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(Test-Path -LiteralPath 'HKLM:\SOFTWARE\WOW6432Node\ASIO\JackRouter')
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}
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function Use-DefaultJackPaths($config) {
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$candidate = 'C:\Program Files\JACK2'
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if (-not (Test-Path -LiteralPath (Join-Path $candidate 'jackd.exe'))) {
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$location = (Get-ItemProperty -Path 'HKLM:\SOFTWARE\JACK' -Name Location -ErrorAction SilentlyContinue).Location
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if ($location) {
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$candidate = if ($location -like '*.exe') { Split-Path -Path $location -Parent } else { $location }
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}
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}
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$config.jackd = Join-Path $candidate 'jackd.exe'
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$config.jackTools = Join-Path $candidate 'tools'
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}
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function Get-PinnedDownload($asset) {
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New-Item -ItemType Directory -Force -Path $script:depsDownloadDir | Out-Null
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$destination = Join-Path $script:depsDownloadDir $asset.file
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if (Test-Path -LiteralPath $destination) {
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$existingHash = (Get-FileHash -LiteralPath $destination -Algorithm SHA256).Hash
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if ($existingHash -ieq $asset.sha256) { return $destination }
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Write-Warning "Cached $($asset.file) failed SHA-256 verification; downloading it again."
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Remove-Item -LiteralPath $destination
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}
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$partial = "$destination.partial"
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Remove-Item -LiteralPath $partial -ErrorAction SilentlyContinue
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Write-Host "Downloading $($asset.file) from $($asset.url)"
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try {
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Invoke-WebRequest -Uri $asset.url -OutFile $partial -UseBasicParsing
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$actual = (Get-FileHash -LiteralPath $partial -Algorithm SHA256).Hash
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if ($actual -ine $asset.sha256) { throw "SHA-256 mismatch for $($asset.file): got $actual" }
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Move-Item -LiteralPath $partial -Destination $destination
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return $destination
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} finally {
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Remove-Item -LiteralPath $partial -ErrorAction SilentlyContinue
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}
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}
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function Assert-DependencyPath([string]$path) {
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$base = [System.IO.Path]::GetFullPath($script:depsInstallDir).TrimEnd('\') + '\'
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$target = [System.IO.Path]::GetFullPath($path)
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if (-not $target.StartsWith($base, [StringComparison]::OrdinalIgnoreCase)) {
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throw "Refusing to modify directory outside .deps: $target"
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}
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return $target
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}
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function Remove-DependencyStaging([string]$path) {
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$target = Assert-DependencyPath $path
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if (Test-Path -LiteralPath $target) { Remove-Item -LiteralPath $target -Recurse -Force }
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}
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function Get-ManagedJackTrip {
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$folder = Join-Path $script:depsInstallDir "JackTrip-v$($script:depsManifest.jacktrip.version)-Windows-x64"
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if (-not (Test-Path -LiteralPath $folder)) { return $null }
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$exe = Get-ChildItem -LiteralPath $folder -Recurse -File -Filter 'jacktrip.exe' | Select-Object -First 1
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if ($exe) { return $exe.FullName }
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return $null
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}
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function Install-ManagedJackTrip {
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$asset = $script:depsManifest.jacktrip
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$archive = Get-PinnedDownload $asset
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New-Item -ItemType Directory -Force -Path $script:depsInstallDir | Out-Null
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$folder = Assert-DependencyPath (Join-Path $script:depsInstallDir "JackTrip-v$($asset.version)-Windows-x64")
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$staging = Assert-DependencyPath (Join-Path $script:depsInstallDir ('.staging-' + [guid]::NewGuid().ToString('n')))
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try {
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Expand-Archive -LiteralPath $archive -DestinationPath $staging
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$exe = Get-ChildItem -LiteralPath $staging -Recurse -File -Filter 'jacktrip.exe' | Select-Object -First 1
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if (-not $exe) { throw 'Verified JackTrip archive did not contain jacktrip.exe' }
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if (Test-Path -LiteralPath $folder) { Remove-DependencyStaging $folder }
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Move-Item -LiteralPath $staging -Destination $folder
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} finally {
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Remove-DependencyStaging $staging
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}
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return Get-ManagedJackTrip
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}
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function Resolve-AudioDependencies($config, [bool]$allowDownload, [bool]$interactive) {
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if (-not (Test-Path -LiteralPath $config.bridge -PathType Leaf)) {
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$defaultBridge = 'C:\Program Files (x86)\VB\ASIOBridge\VBCABLE_AsioBridge.exe'
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if (Test-Path -LiteralPath $defaultBridge -PathType Leaf) { $config.bridge = $defaultBridge }
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}
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if (-not (Test-Path -LiteralPath $config.bridge -PathType Leaf)) {
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Write-Warning 'Hi-Fi Cable / ASIO Bridge is missing. Download and install it as administrator, then reboot Windows.'
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if ($interactive) {
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$answer = Read-Host 'Open the official VB-Audio download page now? [y/N]'
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if ($answer -match '^(y|yes)$') { Start-Process $script:depsManifest.hifiPage }
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}
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throw "Hi-Fi Cable installation required: $($script:depsManifest.hifiPage)"
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}
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if (-not (Test-JackPaths $config)) { Use-DefaultJackPaths $config }
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if (-not (Test-JackPaths $config) -or -not (Test-JackRouter)) {
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if (-not $allowDownload) { throw 'JACK or JACK Router is missing. Run .\audio.ps1 setup in an interactive PowerShell window.' }
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$installer = Get-PinnedDownload $script:depsManifest.jack
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if ($interactive) {
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$answer = Read-Host "JACK or JACK Router is missing. Run its installer ($installer) now? [y/N]"
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if ($answer -match '^(y|yes)$') {
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Start-Process -FilePath $installer -Verb RunAs -Wait
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Use-DefaultJackPaths $config
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}
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}
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if (-not (Test-JackPaths $config) -or -not (Test-JackRouter)) {
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throw "Install JACK with Full installation (with JACK-Router) from $installer, then run setup again."
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}
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}
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if (-not (Test-Path -LiteralPath $config.jacktrip -PathType Leaf)) {
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$managed = Get-ManagedJackTrip
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if (-not $managed) {
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if (-not $allowDownload) { throw 'JackTrip is missing. Run .\audio.ps1 setup first.' }
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$managed = Install-ManagedJackTrip
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}
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$config.jacktrip = $managed
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}
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if (-not (Test-Path -LiteralPath $config.jacktrip -PathType Leaf)) { throw 'JackTrip is still missing after setup.' }
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return $config
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}
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