Video filter Add black borders

From Avidemux2

-= Avidemux = Video encoders = Audio encoders = Video filters = Audio filters = Tutorials = Glossary =-

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This filter adds black borders to the picture - that is, the picture width and height is enlarged by the specified number of pixels. It is used internally by *VCD res to resize a video to a given size without altering the aspect ratio.

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-= Avidemux = Video encoders = Audio encoders = Video filters = Audio filters = Tutorials = Glossary =-