Extension/TestSource.RoughDraft.Extension.ps1
<# .Synopsis Generates test sources .Description Generates test sources using lavfi .Link https://ffmpeg.org/ffmpeg-filters.html#allrgb_002c-allyuv_002c-color_002c-colorspectrum_002c-haldclutsrc_002c-nullsrc_002c-pal75bars_002c-pal100bars_002c-rgbtestsrc_002c-smptebars_002c-smptehdbars_002c-testsrc_002c-testsrc2_002c-yuvtestsrc .EXAMPLE New-Media -TestSource testsrc2 -Duration "00:00:05" -OutputPath "TestSource.gif" #> [Runtime.CompilerServices.Extension()] # It's an extension [Management.Automation.Cmdlet("New","Media")] # that extends New-Media [Management.Automation.Cmdlet("Show","Media")] # that extends Show-Media param( # The name of the test source [Parameter(Mandatory)] [ValidateSet('allrgb', 'allyuv','pal75bars','pal100bars','rgbtestsrc','smtpebars', 'testsrc', 'testsrc2','yuvtestsrc')] [string] $TestSource ) '-f' 'lavfi' '-i' ("$TestSource=".ToLower() + $( @( if ($resolution) { "s=$resolution" } ) )) -replace '\=$' |