$ErrorActionPreference = 'Stop'

Register-ObjectEvent -InputObject ([ShortcutModule]::g) -EventName BeforeProcessing -Action {
    $activeProject = [ShortcutModule]::p

    foreach ($audio in $activeProject.Audio0, $activeProject.Audio1)
    {
        if ($audio.GetType().Name -eq 'GUIAudioProfile' -and
            $audio.File.EndsWith('flac') -and
            $audio.GetEncoder() -eq 'qaac')
        {
            $audio.DecodingMode = 'Pipe'
        }
    }
}