blind

suckless command-line video editing utility
git clone git://git.suckless.org/blind
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blind-stack.1 (1018B)


      1 .TH BLIND-STACK 1 blind
      2 .SH NAME
      3 blind-stack - Overlay videos
      4 .SH SYNOPSIS
      5 .B blind-stack
      6 [-bs]
      7 .I bottom-stream
      8 .RI "... " top-stream
      9 .SH DESCRIPTION
     10 .B blind-stack
     11 prints the video from the file
     12 .I bottom-stream
     13 to stdout, but draws the videos from the
     14 succeeding arguments on top of the video from
     15 .IR bottom-stream ,
     16 drawing them in order, starting with the
     17 video specified direct after
     18 .I bottom-stream
     19 and ending with
     20 .IR top-stream .
     21 The specified files can be any type, except
     22 directory, including pipes.
     23 .P
     24 The output video will be as long as the longest
     25 input video.
     26 .SH OPTIONS
     27 .TP
     28 .B -b
     29 Instead of drawing the videos on top of each
     30 other, for each pixel in each frame, print the
     31 average colour for each input stream's
     32 corresponding pixel and frame.
     33 .TP
     34 .B -s
     35 The output video will be as long as the shortest
     36 input video, rather than as the longest.
     37 .SH SEE ALSO
     38 .BR blind (7),
     39 .BR blind-dissolve (1),
     40 .BR blind-set-alpha (1),
     41 .BR blind-single-colour (1)
     42 .SH AUTHORS
     43 Mattias Andrée
     44 .RI < maandree@kth.se >