Runs from a scheduled task to process any cmd files for transcoding

process-queue.ps1

# process-queue.ps1
# 
# Copyright 2020 - K. Austin Newman
# Version: 1.0
# Runs from a scheduled task to process any cmd files for transcoding

## Define variables
$dirBaseVolName = "Data"
$dirWorkflowRoot = "Workflows"
$dirWorkflowName = "Transcoding"

### Find drive letters for Data
$volumes = @(Get-Volume | foreach {$_.FileSystemLabel})
if ( $volumes -contains "$dirBaseVolName" ) {
  $drvData = get-volume -FileSystemLabel "$dirBaseVolName"
  $strRootVol = $drvData.DriveLetter
}
else {
  Write-warning "Volume $dirBaseVolName not found"
  exit 1
}

$dirWorkFlow = "$strRootVol`:\$dirWorkflowRoot\$dirWorkflowName"
$dirQueue = "$dirWorkFlow\Queue"

if ( $Null -eq (get-process "ffmpeg" -ea SilentlyContinue )){
	$strCallCMD = Get-ChildItem $dirQueue -Filter *.cmd -File -Name | Select-Object -First 1
	Invoke-Item "$dirQueue\$strCallCMD"
}
exit 0