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BLIND-STACK(1)		    General Commands Manual		BLIND-STACK(1)

NAME
       blind-stack - Overlay videos

SYNOPSIS
       blind-stack [-b]	bottom-stream ... top-stream

DESCRIPTION
       blind-stack prints the video from the file bottom-stream	to stdout, but
       draws the videos	from the succeeding arguments on top of	the video from
       bottom-stream, drawing them in order, starting with the video specified
       direct  after  bottom-stream and	ending with top-stream.	 The specified
       files can be any	type, except directory,	including pipes.

       The output video	will be	as long	as the longest input video.

OPTIONS
       -b     Instead of drawing the videos on top of  each  other,  for  each
	      pixel  in	 each  frame,  print the average colour	for each input
	      stream's corresponding pixel and frame.

SEE ALSO
       blind(7), blind-dissolve(1), blind-set-alpha(1),	blind-single-colour(1)

AUTHORS
       Mattias Andre <maandree@kth.se>

				   blind 1.1			BLIND-STACK(1)

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<https://man.freebsd.org/cgi/man.cgi?query=blind-stack&sektion=1&manpath=FreeBSD+Ports+15.0>

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