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blind-to-video.1 - blind - suckless command-line video editing utility
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blind-to-video.1 (1791B)
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1 .TH BLIND-TO-VIDEO 1 blind
2 .SH NAME
3 blind-to-video - Converts blind video to a regular video
4 .SH SYNOPSIS
5 .B blind-to-video
6 [-d]
7 .I frame-rate
8 .IR ffmpeg-arguments " ..."
9 .SH DESCRIPTION
10 .B blind-to-video
11 reads a
12 .B blind
13 video from stdin and uses
14 .BR ffmpeg (1)
15 to convert it to a normal video format.
16 .I frame-rate
17 must be set to the frame-rate of the input video,
18 lest the tempo in the output video be modified. You
19 can use
20 .BR ffprobe (1)
21 (an
22 .B ffmpeg
23 utility) on your original video to find out the frame rate:
24
25 .nf
26 ffprobe -v quiet -show_streams -select_streams v -- your-video.m…
27 grep '^r_frame_rate=' | cut -d = -f 2-
28 .fi
29
30 This value will be a rational value, which is supported.
31 All argumnets after
32 .I frame-rate
33 (that is
34 .IR ffmpeg-arguments " ...)"
35 are arguments that will be passed to
36 .BR ffmpeg (1)
37 after the arguments that
38 .B blind-to-video
39 will create that specifies the input file and necessary metadata
40 such as frame rate, geometry, and format, of the input video.
41 Beginners are recommended to use
42 .B -c:v libx264 -preset veryslow -crf 0 -pix_fmt yuv444p --
43 .IR output-file .
44 .P
45 If your output video need include an alpha channel, the codec
46 .BR ffvhuff .
47 Not all video players support videos with transparency.
48 .BR mpv (1)
49 is a good media player for previewing videos with transparency,
50 however it distorts colour somewhat.
51 .SH OPTIONS
52 .TP
53 .B -d
54 Perform coarse colour-model conversion. This will increase the
55 performance of the conversion, however, it the colours will
56 not look correct, unless the -d flag was also with
57 .BR blind-from-video (1)
58 and not colours have been modified between to the processes.
59 .SH SEE ALSO
60 .BR blind (7),
61 .BR blind-from-video (1),
62 .BR blind-compress (1),
63 .BR ffmpeg (1),
64 .BR ffprobe (1)
65 .SH AUTHORS
66 Mattias Andrée
67 .RI < [email protected] >
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