ProResToHEVC.ps1

$inputFolderPath = $args[0]
Get-ChildItem $inputFolderPath -Filter *.mov | 
Foreach-Object {
    $inputFilePath = $_.FullName;
    $outputWavPath = [System.IO.Path]::Combine([System.IO.Path]::GetDirectoryName($inputFilePath), [System.IO.Path]::GetFileNameWithoutExtension($inputFilePath) + ".wav") 
    $outputM4aPath = [System.IO.Path]::Combine([System.IO.Path]::GetDirectoryName($inputFilePath), [System.IO.Path]::GetFileNameWithoutExtension($inputFilePath) + ".m4a") 
    $outputMp4Path1 = [System.IO.Path]::Combine([System.IO.Path]::GetDirectoryName($inputFilePath), [System.IO.Path]::GetFileNameWithoutExtension($inputFilePath) + "1"+ ".mp4")
    $outputMp4PathFinal =  [System.IO.Path]::Combine([System.IO.Path]::GetDirectoryName($inputFilePath), [System.IO.Path]::GetFileNameWithoutExtension($inputFilePath) + ".mp4")
    ffmpeg.exe -i $inputfilePath -vn -acodec copy $outputWavPath
    qaac64.exe $outputWavPath -v 0 -q 2 -o $outputM4aPath

    ffmpeg.exe -i $inputfilePath -vcodec libx265 -pix_fmt yuv420p -crf 18 -an $outputMp4Path1

    ffmpeg.exe -i $outputMp4Path1 -i $outputM4aPath -acodec copy -vcodec copy $outputMp4PathFinal

    Remove-Item $outputWavPath
    Remove-Item $outputM4aPath
    Remove-Item $outputMp4Path1
}