ffmpeg-minimal/build.ps1

# Build the minimal audio-only ffmpeg (win64, LGPL) via Docker cross-compile.
# Outputs out\ffmpeg.exe, out\ffprobe.exe, out\MANIFEST.txt.
# Does NOT stage to the depot and does NOT launch the app.
$ErrorActionPreference = "Stop"
$here = Split-Path -Parent $MyInvocation.MyCommand.Path
$out  = Join-Path $here "out"
if (Test-Path $out) { Remove-Item $out -Recurse -Force }
New-Item -ItemType Directory -Force $out | Out-Null

Write-Host "=== Building minimal ffmpeg (Docker cross-compile) ===" -ForegroundColor Cyan
docker build --target export --output "type=local,dest=$out" $here
if ($LASTEXITCODE -ne 0) { Write-Error "docker build failed (exit $LASTEXITCODE)"; exit 1 }

Write-Host "`n=== Artifacts ===" -ForegroundColor Green
Get-ChildItem $out | Format-Table Name, Length, LastWriteTime
$ff = Join-Path $out "ffmpeg.exe"
if (Test-Path $ff) {
    Write-Host "ffmpeg.exe size: $([math]::Round((Get-Item $ff).Length/1MB,1)) MB"
    Write-Host "`n=== MANIFEST.txt ===" -ForegroundColor Cyan
    Get-Content (Join-Path $out "MANIFEST.txt")
} else {
    Write-Error "ffmpeg.exe not produced"; exit 1
}
Write-Host "`nDONE. Smoke-test out\ffmpeg.exe per README.md before staging." -ForegroundColor Green