Using YT-DLP With UVX

# PowerShell
# Setup some Aliases for this Example
$UrlLink     = "https://www.youtube.com/watch?v=dQw4w9WgXcQ"
$OutFilename = "RickRoll.mp3"
$AudioFormat = "mp3"  
$TempFolder  = "c:\temp\yt-dlp"  # My temp store before I copy to Phone/MP3 player
$FFmpegPath  = join-path -path $TempFolder -childpath "ffmpeg-master-latest-win64-gpl\bin"  # Required binaries for audio extraction

cd $TempFolder  # Go to my temp store

# Run YT-DLP via UVX
uvx --no-cache yt-dlp -x --audio-format $AudioFormat --ffmpeg-location $FFmpegPath -o $OutFilename $UrlLink --verbose

# Command breakdown 
uvx --no-cache yt-dlp         # Get the latest yt-dlp every time
-x                            # Convert video files to audio-only files
                              # (Use -k to keep the intermediate video)
--audio-format $AudioFormat   # Use the specified audio format 
--ffmpeg-location $FFmpegPath # Location of FFMPEG binary: exe path or just dir
-o $OutFilename               # Output filename
$UrlLink                      # URL to video to extract audio from
--verbose                     # Optional: print debugging information

#Powershell Script: .\download_yt_audio.ps1
# Defaults, change as required
$DefaultRootFolder  = "C:\temp\yt-dlp"
$DefaultAudioFormat = "mp3"  # aac, alac, flac, m4a, mp3, opus, vorbis, wav
$DefaultFFmpegPath  = "C:\temp\yt-dlp\ffmpeg-master-latest-win64-gpl\bin"
$DefaultAutoPlay    = $false
$Verbosity          = "--quiet"  # Change to "--verbose" for more output

# Check UVX is available on the path
if (-not (Test-Path (get-command uvx.exe).Path)) {
    Write-Host "No uvx.exe found. Check it is available on your path."
    exit 1
}

# Get user inputs or use defaults
$UrlLink = Read-Host "URL/Link of Video"
if (-not $UrlLink) { Write-Error "You must provide a URL."; exit 1 }

[ValidateSet('aac', 'alac', 'flac', 'm4a', 'mp3', 'opus', 'vorbis', 'wav', '')]$AudioFormat = Read-Host 'Audio Format (default:' $DefaultAudioFormat')'
# It's a coarse error if it fails, but it's at least a check
if (-not $AudioFormat) { $AudioFormat = $DefaultAudioFormat }  # '' option

$Filename = Read-Host "Output Filename (no extension)"
if (-not $Filename) { Write-Error "You must provide an output filename."; exit 1 }

$FFmpegPath = Read-Host 'FFMPEG Folder (default:' $DefaultFFmpegPath ')'
if (-not $FFmpegPath) { $FFmpegPath = $DefaultFFmpegPath }

# Validate ffmpeg path
$FFmpegExePath = Join-Path -Path $FFmpegPath -ChildPath "ffmpeg.exe"
if (-not (Test-Path -Path $FFmpegExePath)) {
    Write-Warning "FFmpeg executable not found at: $FFmpegExePath"
    exit 1  # Alternatively ask user to get the path correct
}

$RootFolder = Read-Host 'Root Folder (default:' $DefaultRootFolder ')'
if (-not $RootFolder) { $RootFolder = $DefaultRootFolder }

# Ensure root folder exists
if (-not (Test-Path -Path $RootFolder)) {
    Write-Host "Creating $RootFolder"
    New-Item -Path $RootFolder -ItemType Directory -Force | Out-Null
}

$AutoPlay = Read-Host 'AutoPlay Audio after Extraction? (default off)'
if (-not($AutoPlay)) { $AutoPlay = $DefaultAutoPlay}

$OutFilename = "$Filename.$AudioFormat"  # Append format as extension

Set-Location -Path $RootFolder  # Go to root folder

# UVX args: use --no-cache to fetch latest yt-dlp version each time
$uvxArgs = @("--no-cache",
             "yt-dlp",
             "-x",
             "--audio-format", $AudioFormat,
             "--ffmpeg-location", $FFmpegPath,
             "-o", $OutFilename,
             $UrlLink,
             $Verbosity
             )

Write-Host "Running: uvx $($uvxArgs -join ' ')"
& uvx @uvxArgs
# Let UV handle errors

# Optionally play the downloaded audio
if ($AutoPlay) {
    $OutfilePath = Join-Path -Path $RootFolder -ChildPath $OutFilename
    if (Test-Path $OutfilePath) {
        Start-Process -FilePath $OutfilePath
    } else {
        Write-Warning "Downloaded file not found: $OutfilePath"
    }
}
# End of Script