New-Media.ps1
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function New-Media { <# .Synopsis Creates media files .Description Creates audio and video files using ffmpeg .Example New-Media -OutputPath ".\RGBTestSource.mp4" -TestSource "RGBTestSrc" .Link Get-RoughDraftExtension #> [OutputType([IO.FileInfo], [Management.Automation.Job])] param( # The output path [Parameter(Mandatory,ValueFromPipelineByPropertyName)] [string] $OutputPath, # The duration. By default, one second. [Timespan] $Duration = '00:00:01', # The resolution. This can be independently handled by an extension. [string] $Resolution, # If provided, will use a specific pixel format for video and image output. This maps to the -pix_fmt parameter in ffmpeg. [Parameter(ValueFromPipelineByPropertyName)] [Alias('Pix_Fmt')] [string] $PixelFormat = 'yuv420p', # A list of additional arguments to FFMpeg. [Alias('Arguments','Argument','ArgumentList')] [Parameter(ValueFromRemainingArguments)] [string[]] $FFMpegArgument, # If set, will create the media in a background job. [switch] $AsJob, # If set, will limit the number of background jobs to a throttle limit. # By default 5. # Throttling is only available if running on PowerShell Core. [int] $ThrottleLimit ) dynamicParam { $myCmd = $MyInvocation.MyCommand Get-RoughDraftExtension -CommandName $myCmd -DynamicParameter } process { if ($AsJob) { # If -AsJob was passed, return & $StartRoughDraftJob # start a background job. } #region Find FFMpeg $ffmpeg = Get-FFMpeg -FFMpegPath $ffMpegPath if (-not $ffmpeg) { return } #endregion Find FFMpeg if ($AsJob) { return & $startRoughDraftJob } $FilterParams = @() $ffmpegArgs = @($FFMpegArgument) $uro = $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath($OutputPath) $ffEndArgs = @('-pix_fmt', $PixelFormat, '-t', $Duration.TotalSeconds, '-y', "$uro") #region Handle Extensions :nextFile do { $myParams = ([Ordered]@{} + $PSBoundParameters) Get-RoughDraftExtension -CommandName $myCmd -CanRun -ExtensionParameter $myParams | . Get-RoughDraftExtension -Run | . { process { $inObj = $_ if ($inObj.ExtensionOutput) { Write-Verbose "Adding Filter Parameters from Extension '$($inObj.ExtensionCommand)'" Write-Verbose "$extensionOutput" $FilterParams += $inObj.ExtensionOutput } if ($inObj.Done) { continue nextFile } } } } while (0) #endregion Handle Extensions $allFffMpegArgs = @('-hide_banner') + $ffmpegArgs + $FilterParams + $ffEndArgs $progressId = Get-Random $theDuration = $Duration Use-FFMpeg -FFMpegPath $ffMpegPath -FFMpegArgument $allFffMpegArgs | & { process { $line = $_ $Progress = $line | & ${?<FFMpeg_Progress>} -Extract if ($Progress -and $Progress.Time -and $TheDuration) { $perc = $Progress.Time.TotalMilliseconds * 100/ $duration.TotalMilliseconds if ($perc -gt 100) { $perc = 100} $frame, $speed, $bitrate = $progress.FrameNumber, $progress.Speed, $progress.Bitrate $progressMessage = @("$($progress.Time)".Substring(0,8), "$theDuration".Substring(0,8) -join '/' "Frame: $frame","Speed $speed","Bitrate $bitrate" -join ' - ' ) -join ' ' $timeLeft = $theDuration - $progress.Time Write-Progress "Creating $OutputPath" $progressMessage -PercentComplete $perc -Id $progressId -SecondsRemaining $timeLeft.TotalSeconds } Write-Verbose "$_ " }} Write-Progress "Creating" "$OutputPath " -Completed -Id $progressId Get-Item -Path $uro -ErrorAction SilentlyContinue } } |