Split-Media.ps1
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function Split-Media { <# .Synopsis Splits media .Description Splits media files .Example # Pick out the first five seconds of a song Split-Media -InputPath $home\Music\ASong.mp3 -Start 00:00:00 -End 00:00:05 .Link Get-Media .Link Join-Media .Link Get-RoughDraftExtension #> [CmdletBinding(PositionalBinding=$false)] [OutputType([IO.FileInfo], [Management.Automation.Job])] param( # The input path [Parameter(Mandatory,ValueFromPipelineByPropertyName)] [Alias('Fullname')] [string] $InputPath, # One or more output paths [Parameter(Position=1,ValueFromPipelineByPropertyName)] [string[]] $OutputPath, # The path to FFMpeg. Download it from http://ffmpeg.org/ [Parameter(ValueFromPipelineByPropertyName=$true)] [string] $FFMpegPath, # The timespan to start splitting the video [Parameter(Mandatory,Position=1, ValueFromPipelineByPropertyName,ParameterSetName='Segment')] [Alias('StartTime')] [Timespan] $Start, # The time span to end splitting the video [Parameter(Position=2, ValueFromPipelineByPropertyName,ParameterSetName='Segment')] [Alias('EndTime')] [Timespan] $End ) dynamicParam { $myCmd = $MyInvocation.MyCommand Get-RoughDraftExtension -CommandName $myCmd -DynamicParameter } begin { $ffmpegProcess = { $line = $_ if ($_ -like "*time=*" -and $_ -like "*bitrate=*") { Write-Verbose "$_" $progress = $line | & ${?<FFMpeg_Progress>} -Extract if ($progress -and $progress.Time.Totalmilliseconds -and $theDuration.TotalMilliseconds ) { $perc = $progress.Time.TotalMilliseconds * 100 / $theDuration.TotalMilliseconds $frame, $speed, $bitrate = $progress.FrameNumber, $progress.Speed, $progress.Bitrate if ($perc -gt 100) { $perc = 100 } $progressMessage = @("$($progress.Time)".Substring(0,8), "$theDuration".Substring(0,8) -join '/' "Frame: $frame","Speed $speed","Bitrate $bitrate" -join ' - ' ) -join ' ' $timeLeft = $theDuration - $progress.Time Write-Progress "Encoding $uro" $progressMessage -PercentComplete $perc -Id $Id -SecondsRemaining $timeLeft.TotalSeconds } } else { Write-Verbose "$_" } } $ffMpegEnd = { Write-Progress "Encoding" -Status ' ' -Completed -Id $id } } process { if ($AsJob) { return . $StartRoughDraftJob } $ffMpeg = Get-FFMpeg -FFMpegPath $FFMpegPath if (-not $FFMpeg) { return } $ri = if ([IO.File]::Exists($InputPath)) { $InputPath } else { $ExecutionContext.SessionState.Path.GetResolvedPSPathFromPSPath($InputPath) | Get-Item -LiteralPath {$_ } | Select-Object -ExpandProperty Fullname } $mediaInfo = $mi = Get-Media -InputPath $ri $fileInfo = Get-Item -LiteralPath $ri $theDuration = $mediaInfo.Duration $ffArgs = @('-hide_banner', '-i', "$ri") $in = [Ordered]@{} + $PSBoundParameters if ($PSCmdlet.ParameterSetName -eq 'Segment') { if (-not $in.End) { $end = $in.End = $mediaInfo.Duration } if (-not $in.OutputPath) { $startTimeStr = $start.ToString() -replace '([\d\.]+)0{2,}$','$1' -replace '[:;]', '-' $endTimeStr = $end.ToString() -replace '([\d\.]+)0{2,}$','$1' -replace '[:;]', '-' $outputPath = $in.OutputPath = $fileInfo.FullName.Substring(0, $fileInfo.FullName.Length - $fileInfo.Extension.Length) + '@' + $startTimeStr + '--' + $endTimeStr + $fileInfo.Extension } $theDuration = $end - $start $ffArgs += '-ss', "$start", '-to', "$end" } $id = Get-Random :nextFile foreach ($inputFile in @($InputPath)) { #region Handle Extensions Get-RoughDraftExtension -CommandName $myCmd -CanRun -ExtensionParameter $in | . Get-RoughDraftExtension -Run | . { process { $inObj = $_ if ($inObj.ExtensionOutput) { Write-Verbose "Adding Parameters from Extension '$extensionCommand'" Write-Verbose "$extensionOutput" $ffArgs += $inObj.extensionOutput } if ($inObj.Done) { continue nextFile } } } #endregion Handle Extensions if (-not $in.OutputPath -and -not ($ffargs -eq '-map')) { $parameterSetShortName = ($PSCmdlet.ParameterSetName -split "\$([IO.Path]::DirectorySeparatorChar)")[-1] -replace '\.(rd|RoughDraft)\.(ext|extension)\.ps1$' $outputPath = $in.OutputPath = $fileInfo.FullName.Substring(0, $fileInfo.FullName.Length - $fileInfo.Extension.Length) + "_$parameterSetShortName" + $fileInfo.Extension } if ($in.OutputPath.Count -eq 1) { $uro = $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath($OutputPath) $ffArgs += "$uro", '-y' } & $ffmpeg @ffArgs 2>&1 | ForEach-Object $ffmpegProcess -End $ffmpegEnd if ($in.OutputPath.Count -eq 1) { Get-item -literalPath $in.OutputPath } elseif ($in.OutputPath.Count -gt 1) { foreach ($outPath in $in.OutputPath) { Get-item -literalPath $outPath } } else { for ($i=0; $i -lt $ffargs.Count) { # Otherwise, if we've $ffArg = $ffArgs[$i] if ($ffArg -like '*.*' -and $ffArg -notmatch '\S+=$' -and $ffargs[$i - 1] -ne '-i') { Get-Item -Path $ffarg -ErrorAction SilentlyContinue } } $ffargs } } } } |