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blind-to-text.1 - blind - suckless command-line video editing utility
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blind-to-text.1 (2058B)
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1 .TH BLIND-TO-TEXT 1 blind
2 .SH NAME
3 blind-to-text - Convert a video to text
4 .SH SYNOPSIS
5 .B blind-to-text
6 [-%
7 .IR format ]
8 .SH DESCRIPTION
9 .B blind-to-text
10 reads a video from stdin and prints it
11 in text format to stdout. The first line
12 in the output is the head. It will contain:
13 the number of frames, <space>, the width,
14 <space>, the height, <space>, and the pixel
15 format. The result of the lines will be
16 one line per pixel, each of these line will
17 contain the values of the pixel's colur in
18 textual representation of a floating-point
19 value, each separated by a <space>. The
20 order of the values are: X, Y, Z, and alpha,
21 where X, Y, and Z are the parameters of the
22 colour's CIE XYZ representation.
23 .P
24 If the width of the video is
25 .I w
26 and the height of the video is
27 .IR h ,
28 the first
29 .I w
30 lines after the head are the pixels in the
31 first row in the first frame of the video,
32 the following
33 .I w
34 lines are the pixels in the second row,
35 and so on until the the
36 .IR w*h :th
37 line, after the head, where the second
38 frame begins. The pixels are printed
39 from left to right, from top to bottom,
40 and from first frame to last frame.
41 .SH OPTIONS
42 .TP
43 .BR -% \ \fIformat\fP
44 Selects in what format parameters are printed.
45 .I format
46 may include the prefix
47 .B +
48 that specified that non-negative values should be prefixed with a
49 .BR + .
50 After any prefix, there may be a positive number specifying
51 the percision of the output, optionally followed by either of
52 the letters
53 .BR a ,
54 .BR e ,
55 .BR f ,
56 other
57 .B g
58 (other their synonymous uppercases),
59 or if the input is integer typed,
60 .B d
61 or
62 .BR i ,
63 at most once, with the same semantics as in
64 .BR printf (3).
65 .B f
66 is used if this letter is omitted.
67 The percision must be omitted the input is integer typed.
68
69 If ommited,
70 .B 25f
71 or
72 .B i
73 is used. These defaults are selected for ease of
74 interoperability with other software, however,
75 .B a
76 is recommeded to improve performance and remove
77 truncation error.
78 .SH SEE ALSO
79 .BR blind (7),
80 .BR blind-from-text (1),
81 .BR blind-to-portable (1)
82 .SH AUTHORS
83 Mattias Andrée
84 .RI < [email protected] >
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