Make scripts parallel

hq2cd-ps1/convert-from-file.ps1

@@ -0,0 +1,26 @@
+# Output to a flat directory as I am going to use picard to rename the files after the fact
+
+# Read each line in the file
+$filePaths = Get-Content -Path $args[0]
+$files = @()
+foreach ($filePath in $filePaths) {
+	$files += Get-Item -Path $filePath
+}
+
+# Save to output folder "Output"
+$destination = "Output"
+if (-not (Test-Path -Path $destination)) {
+	New-Item -Path $destination -ItemType Directory
+}
+
+# Now use ffmpeg to convert each file to 16-bit 44.1kHz
+<# This is the old way, use the new way below using -Parallel
+foreach ($file in $files) {
+	$destinationPath = $destination + "\" + $file.Name
+	ffmpeg -i $file.FullName -c:a flac -sample_fmt s16 -ar 44100 $destinationPath
+} 
+#>
+$files | ForEach-Object -Parallel {
+	$destinationPath = $destination + "\" + $_.Name
+	ffmpeg -i $_.FullName -c:a flac -sample_fmt s16 -ar 44100 $destinationPath
+}

hq2cd-ps1/get-paths.ps1

@@ -3,16 +3,36 @@
 # Get all files with the .flac extension
 $files = Get-ChildItem -Path . -Filter *.flac -Recurse
 
+Write-Host "Found" $files.Count "files"
+
 # For each file, run ffprobe with json ouptut, and include it in a new list if it has a sample rate above 44100, and a bit depth above 16
 
 $hq = @()
 
+<# This is the old way, use the new way below using -Parallel
+foreach ($file in $files) {
+	$ffprobe = ffprobe -v quiet -print_format json -show_format -show_streams $file.FullName
+	$ffprobe = $ffprobe | ConvertFrom-Json
+	$stream = $ffprobe.streams | Where-Object {$_.codec_name -eq "flac"}
+
+	if ($stream.sample_rate -gt 44100 -or $stream.bits_per_raw_sample -gt 16) {
+		Write-Host $file.FullName
+		$hq += $file
+	}
+} 
+#>
 $files | ForEach-Object -Parallel {
 	$ffprobe = ffprobe -v quiet -print_format json -show_format -show_streams $_.FullName
 	$ffprobe = $ffprobe | ConvertFrom-Json
-	if ($ffprobe.format.sample_rate -gt 44100 -and $ffprobe.streams.bits_per_raw_sample -gt 16) {
+	$stream = $ffprobe.streams | Where-Object {$_.codec_name -eq "flac"}
+
+	if ($stream.sample_rate -gt 44100 -or $stream.bits_per_raw_sample -gt 16) {
+		Write-Host $_.FullName
 		$hq += $_
 	}
 }
 
-Write-Host $hq
+# Save each file in hq to a text file with its full path
+foreach ($file in $hq) {
+	$file.FullName | Out-File -FilePath hq.txt -Append
+}