blind

suckless command-line video editing utility
git clone git://git.suckless.org/blind
Log | Files | Refs | README | LICENSE

blind-premultiply.1 (613B)

      1 .TH BLIND-PREMULTIPLY 1 blind
      2 .SH NAME
      3 blind-premultiply - Premultiply the alpha channel of a video
      4 .SH SYNOPSIS
      5 .B blind-premultiply
      6 [-xyz]
      7 .SH DESCRIPTION
      8 .B blind-premultiply
      9 reads a video from stdin and multiplies the
     10 colour values with the alpha value for each pixel,
     11 and prints the resulting video to stdout.
     12 .SH OPTIONS
     13 .TP
     14 .B -x
     15 Do not modify the X channel (the first channel).
     16 .TP
     17 .B -y
     18 Do not modify the Y channel (the second channel).
     19 .TP
     20 .B -z
     21 Do not modify the Z channel (the third channel).
     22 .SH SEE ALSO
     23 .BR blind (7),
     24 .BR blind-unpremultiply (1)
     25 .SH AUTHORS
     26 Mattias Andrée
     27 .RI < maandree@kth.se >