Extension/CaptureDevice.rd.ext.ps1
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<# .Synopsis Gets capture devices .Description Gets capture device information #> # It's an extension [Runtime.CompilerServices.Extension()] # that extends Get-FFMpeg [Management.Automation.Cmdlet("Get","FFMpeg")] # that is not inherited. [ComponentModel.Inheritance("NotInherited")] param( # If set, will list capture devices [Parameter(Mandatory)] [switch] $ListCaptureDevice, # The type of capture device. # If not specified, this will be defaulted based off of the operating system. [string[]] $CaptureDeviceType ) if (-not $CaptureDeviceType) { $CaptureDeviceType = if ($PSVersionTable.Platform -eq 'Unix') { 'alsa', 'x11grab', 'v4l2', 'sndio', 'oss','openal', 'libdc1934', 'libcdio', 'kmsgrab','jack','iec61883', 'fbdev','decklink','bktr','avfoundation','android_camera' } elseif ($PSVersionTable.Platform -eq 'Windows' -or -not $PSVersionTable.Platform) { 'dshow', 'gdigrab' } } foreach ($cdt in $CaptureDeviceType) { $ffOut= Use-FFMpeg -FFMpegArgument '-list_devices',true,'-f',$cdt,'-i',dummy $ffOut | Where-Object { $_ -match "\[$cdt\s\@" } } |