blind-unpremultiply.1 - blind - suckless command-line video editing utility
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blind-unpremultiply.1 (671B)
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1 .TH BLIND-UNPREMULTIPLY 1 blind
2 .SH NAME
3 blind-unpremultiply - Unpremultiply the alpha channel of a video
4 .SH SYNOPSIS
5 .B blind-unpremultiply
6 [-xyz]
7 .SH DESCRIPTION
8 .B blind-unpremultiply
9 reads a video from stdin and divides the colour
10 with the alpha value for each pixel, and prints
11 the resulting video to stdout, effectively
12 undoing affects of
13 .BR blind-unpremultiply (1).
14 .SH OPTIONS
15 .TP
16 .B -x
17 Do not modify the X channel (the first channel).
18 .TP
19 .B -y
20 Do not modify the Y channel (the second channel).
21 .TP
22 .B -z
23 Do not modify the Z channel (the third channel).
24 .SH SEE ALSO
25 .BR blind (7),
26 .BR blind-premultiply (1)
27 .SH AUTHORS
28 Mattias Andrée
29 .RI < maandree@kth.se >