ffmpeg resize with cuvid (gpu encode) power shell

mp4-mp4-resize.ps1

Param($searchPath)

if (!$searchPath) {
    Write-Warning "Pass Search Directory Path"
    exit 
}


Get-ChildItem $searchPath
if (![bool] (Get-Command ffmpeg -ErrorAction SilentlyContinue)) {
    Write-Output "Not Install ffmpeg"
    exit 
}
$Resize = "1280:720"
$MP4 = Get-ChildItem -Recurse ($searchPath + "\*.mp4")  | Where-Object { $_.BaseName -notlike "*-Resize" } | Select-Object 

foreach ($f in $MP4) {
    $basename = $f.BaseName
    $fullname = $f.FullName
    $ext = $f.Extension
    $directoryPath = $f.Directory.FullName
    $input = $fullname
    $output = $directoryPath + "/" + $basename + "-Resize" + $ext
    Write-Output ("Input:" + $input )
    Write-Output ("Output:" + $output)
    ffmpeg -y -hwaccel cuvid -i $f -c:v hevc_nvenc -vf scale_cuda=$Resize -f mp4 $output
}

参考リンク
https://qiita.com/yamakenjp/items/7474f210efd82bb28490
https://developer.nvidia.com/designworks/dl/Using_FFmpeg_with_NVIDIA_GPU_Hardware_Acceleration-pdf
ffmpeg :https://www.gyan.dev/ffmpeg/builds/

C#と大体同じ感じで書けていいですね
ls(Get-ChildItem)でオブジェクトが返ってくるので修正しやすい,Select,WhereとかはLINQ指向で慣れれば大体使えそう