Extension/Watermark.RoughDraft.ext.ps1
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<# .Synopsis Watermarks a video .Description Watermarks a video, using the overlay filter. #> [Management.Automation.Cmdlet("Edit","Media")] [Runtime.CompilerServices.Extension()] param( # The path to the watermark file. [Parameter(Mandatory,ValueFromPipelineByPropertyName)] [Alias('WatermarkInputPath')] [string] $WatermarkPath, # The X coordinate for the watermark. # If the coordinate is positive, then it will be relative to the top. # If the coordinate is negative, it will be relative to the bottom. [Int32] $WatermarkX = -5, # The Y coordinate for the watermark # If the coordinate is positive, then it will be relative to the top. # If the coordinate is negative, it will be relative to the bottom. [Int32] $WatermarkY = -5, # If set, will put the watermark at the center of the video. X and Y will be ignored [Switch] $CenterWatermark ) if ($CenterWatermark) { $ComplexFilterParts = @() $ComplexFilterParts += if ($PSBoundParameters.WatermarkX) { if ($WatermarkX -ge 0) { "x=$WatermarkX" } else { "x=main_w-overlay_w$WatermarkX" } } else { "x=(main_w-overlay_w)/2" } $ComplexFilterParts += if ($PSBoundParameters.WatermarkY) { if ($WatermarkY -ge 0) { "y=$WatermarkY" } else { "y=main_h-overlay_h$WatermarkY" } } else { "y=(main_h-overlay_h)/2" } $TheComplexFilter = "overlay=$($ComplexFilterParts -join ':')" } else { $ComplexFilterParts = @() $ComplexFilterParts += if ($WatermarkX -ge 0) { "x=$WatermarkX" } else { "x=main_w-overlay_w$WatermarkX" } $ComplexFilterParts += if ($WatermarkY -ge 0) { "y=$WatermarkY" } else { "y=main_h-overlay_h$WatermarkY" } $TheComplexFilter = "overlay=$($ComplexFilterParts -join ':')" } $ComplexFilterParts = @() $ComplexFilterParts += if ($PSBoundParameters.WatermarkX) { if ($X -ge 0) { "x=$X" } else { "x=main_w-overlay_w$WatermarkX" } } else { "x=(main_w-overlay_w)/2" } $ComplexFilterParts += if ($PSBoundParameters.WatermarkY) { if ($Y -ge 0) { "y=$y" } else { "y=main_h-overlay_h$WatermarkY" } } else { "y=(main_h-overlay_h)/2" } $TheComplexFilter = "overlay=$($ComplexFilterParts -join ':')" $wri = if ([IO.File]::Exists($WatermarkPath)) { $WatermarkPath } else { $ExecutionContext.SessionState.path.GetResolvedPSPathFromPSPath($WatermarkPath) } '-i' "$wri" '-filter_complex' "$TheComplexFilter" |