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July 21, 2024 15:57
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Converts audio FLAC to ac3 via Powershell and FFMPEG
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| Get-ChildItem -Filter *.mkv | ForEach-Object { | |
| $outputFile = $_.BaseName + "_ac3.mkv" | |
| # Get information about audio streams | |
| $audioStreams = ffprobe -v error -select_streams a -show_entries stream=index,codec_name -of csv=p=0 $_.FullName | ForEach-Object { | |
| $stream = $_ -split ',' | |
| [PSCustomObject]@{ | |
| Index = [int]$stream[0] | |
| Codec = $stream[1] | |
| } | |
| } | |
| $ffmpegCommand = "ffmpeg -i `"$($_.FullName)`" -map 0 -c copy" | |
| foreach ($stream in $audioStreams) { | |
| if ($stream.Codec -eq 'flac') { | |
| $ffmpegCommand += " -c:a:$($stream.Index) ac3" | |
| } | |
| } | |
| $ffmpegCommand += " `"$outputFile`"" | |
| Write-Host "Processing file: $($_.Name)" | |
| Write-Host "Command: $ffmpegCommand" | |
| Invoke-Expression $ffmpegCommand | |
| } |
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