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blind-matrix-scale.1 - blind - suckless command-line video editing utility
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blind-matrix-scale.1 (1296B)
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1 .TH BLIND-MATRIX-SCALE 1 blind
2 .SH NAME
3 blind-matrix-scale - Create an affine 2D-transformation matrix for scali…
4 .SH SYNOPSIS
5 .B blind-matrix-scale
6 [-c]
7 .SH DESCRIPTION
8 .B blind-matrix-scale
9 creates an affine 2D-transformation matrix for
10 scaling. The parameters for the matrix is read
11 in stdin in format of a blind video, one matrix
12 per frame in stdin created and printed to stdout
13 in format of a blind video.
14 .P
15 Each frame in stdin shall contain exactly 2 pixel,
16 the first pixel holds the scale factor for the
17 width and the second pixel holds the scale factor
18 for the height.
19 .P
20 The luma (encoding in the Y-channel, the second
21 channel) multiplied by the alpha (the fourth channel)
22 of the input pixels are used as the values. Each
23 values in the resulting matrices are stored
24 in all channels.
25 .SH OPTIONS
26 .TP
27 .B -c
28 Create different matrices for each channel. Use
29 values from each channel in stdin to create
30 matrices whose values are stored in the same
31 channels in stdout.
32 .SH SEE ALSO
33 .BR blind (7),
34 .BR blind-from-text (1),
35 .BR blind-matrix-orthoproject (1),
36 .BR blind-matrix-reflect (1),
37 .BR blind-matrix-rotate (1),
38 .BR blind-matrix-shear (1),
39 .BR blind-matrix-translate (1),
40 .BR blind-matrix-transpose (1),
41 .BR blind-multiply-matrices (1)
42 .SH AUTHORS
43 Mattias Andrée
44 .RI < [email protected] >
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