36 lines
1.5 KiB
PowerShell
36 lines
1.5 KiB
PowerShell
param(
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[string]$Destination
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)
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$ErrorActionPreference = 'Stop'
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$repoRoot = (Resolve-Path (Join-Path $PSScriptRoot '..\..')).Path
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if ([string]::IsNullOrWhiteSpace($Destination)) {
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$Destination = Join-Path $repoRoot 'build\ffmpeg-sdk'
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}
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$manifest = Get-Content -LiteralPath (Join-Path $PSScriptRoot 'dependency-win64.json') -Raw | ConvertFrom-Json
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$downloadDir = Join-Path $repoRoot 'build\downloads'
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$archivePath = Join-Path $downloadDir $manifest.archive
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$extractRoot = Join-Path $Destination ([IO.Path]::GetFileNameWithoutExtension($manifest.archive))
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New-Item -ItemType Directory -Force -Path $downloadDir | Out-Null
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if (-not (Test-Path -LiteralPath $archivePath)) {
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Invoke-WebRequest -Uri $manifest.url -OutFile $archivePath
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}
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$actualHash = (Get-FileHash -Algorithm SHA256 -LiteralPath $archivePath).Hash.ToLowerInvariant()
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if ($actualHash -ne $manifest.sha256) {
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throw "FFmpeg archive SHA-256 mismatch: expected $($manifest.sha256), got $actualHash"
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}
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if (-not (Test-Path -LiteralPath $extractRoot)) {
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Expand-Archive -LiteralPath $archivePath -DestinationPath $Destination
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}
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$sdkRoot = $extractRoot
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if (-not (Test-Path -LiteralPath (Join-Path $sdkRoot 'include\libavformat\avformat.h'))) {
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throw "Pinned FFmpeg SDK was not found at $sdkRoot"
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}
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$reported = & (Join-Path $sdkRoot 'bin\ffmpeg.exe') -version | Select-Object -First 1
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$expectedVersion = $manifest.ffmpeg_version -replace '-20260721$', ''
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if ($reported -notlike "*$expectedVersion*" ) {
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throw "Unexpected FFmpeg build: $reported"
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}
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Write-Output $sdkRoot
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