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| author | Mattias Andrée <maandree@kth.se> | 2017-07-20 20:03:52 +0200 |
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| committer | Mattias Andrée <maandree@kth.se> | 2017-07-20 20:03:52 +0200 |
| commit | fa20f84e2d12bf9998591ce4e464180586d957ff (patch) | |
| tree | a8fd23c22c3f798d3e985246339e69e8567400d5 /man/blind-affine-colour.1 | |
| parent | Add blind-mosaic-corners and fix enset_pixel_format (diff) | |
| download | blind-fa20f84e2d12bf9998591ce4e464180586d957ff.tar.gz blind-fa20f84e2d12bf9998591ce4e464180586d957ff.tar.bz2 blind-fa20f84e2d12bf9998591ce4e464180586d957ff.tar.xz | |
Add blind-affine-colour and blind-split-chans
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'man/blind-affine-colour.1')
| -rw-r--r-- | man/blind-affine-colour.1 | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/man/blind-affine-colour.1 b/man/blind-affine-colour.1 new file mode 100644 index 0000000..54891f0 --- /dev/null +++ b/man/blind-affine-colour.1 @@ -0,0 +1,71 @@ +.TH BLIND-AFFINE-COLOUR 1 blind +.SH NAME +blind-affine-colour - Apply an affine transformation to the colours in a video +.SH SYNOPSIS +.B blind-affine-colour +[-alp] +.I matrix-stream +.SH DESCRIPTION +.B blind-affine-colour +reads a video from stdin and a matrix video from +.I matrix-stream +and multiplies colours from stdin with matrices from +.I matrix-stream +and prints the resulting video to stdout. +.P +Each frame in +.I matrix-stream +is a matrix and shall have the width and height 5. +Each pixel in a frame is a cell in the matrix, +the pixels luma is multiples by its alpha value +to determine the value of the matrix cell. +.SH OPTIONS +.TP +.B -a +The width and height of the matrix shall be 4 +instead of 5 (reduced by 1) and the alpha values +of the pixels shall not be modified. +.TP +.B -l +The width and height of the matrix shall be 4 +instead of 5 (reduced by 1) making the transformation +linear instead of affine. +.TP +.B -p +Each frame in +.I matrix-stream +shall contain one matrix per pixel in a frame in +stdin. The video in +.I matrix-stream +shall be 5, 4, or 3, depending on whether +.B -a +and +.B -l +are specified, times are wide and tall as the +video in stdin. +.SH NOTES +If both +.B -a +and +.B -l +are specified, the matrices shall have the +width and height 3 instead of 5. +.SH REQUIREMENTS +.B blind-affine-colour +requires enough free memory to load 5, 4, or 3, +depending on whether +.B -a +and +.B -l +are specified, full rows from +.I matrix-stream +into memory. A frame requires 32 bytes per pixel +it contains. +.SH SEE ALSO +.BR blind (7), +.BR blind-arithm (1), +.BR blind-invert-matrix (1), +.BR blind-multiply-matrice (1) +.SH AUTHORS +Mattias Andrée +.RI < maandree@kth.se > |