blind

suckless command-line video editing utility
git clone git://git.suckless.org/blind
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blind-from-video.1 (2352B)

      1 .TH BLIND-FROM-VIDEO 1 blind
      2 .SH NAME
      3 blind-from-video - Converts a regular, cooked video to a blind video
      4 .SH SYNOPSIS
      5 .B blind-from-video
      6 [-F
      7 .IR pixel-format ]
      8 [-r
      9 .IR frame-rate ]
     10 [-w
     11 .I width
     12 -h
     13 .IR height ]
     14 [-dL]
     15 .I input-file
     16 .RI [ output-file ]
     17 .SH DESCRIPTION
     18 .B blind-from-video
     19 converts the video, in the file
     20 .IR input-file ,
     21 to a format usable by the
     22 .B blind
     23 tools, and prints the new video to the file
     24 .IR output-file .
     25 .I input-file
     26 and, unless -L is used,
     27 .I output-file
     28 must be regular files.
     29 .I input-file
     30 must be a normal video file with a container (i.e. not raw video)
     31 that is supported by
     32 .BR ffmpeg (1).
     33 It is unspecified what happens if
     34 .I input-file
     35 does not have exactly one video stream. All non-video streams,
     36 such as audio and subtitles are discarded.
     37 .P
     38 If
     39 .B output-file
     40 is omitted,
     41 .RB ' - '
     42 (stdout) is used.
     43 .SH OPTIONS
     44 .TP
     45 .B -d
     46 Perform coarse colour-model conversion. This will increase the
     47 performance of the conversion, but modifications to the colours
     48 will not produce the expected colours. This is useful for
     49 drafting or if you will not modify the colours. If you use this
     50 flag, you should also use it in
     51 .BR blind-to-video (1),
     52 otherwise the colours will be modified.
     53 .TP
     54 .BR -F " "\fIpixel-format\fP
     55 Select pixel format, see
     56 .BR blind-convert (1)
     57 for more information. Pixel formats starting with
     58 .BR raw ,
     59 other than
     60 .BR raw0 ,
     61 are not supported.
     62 .TP
     63 .BR -h " "\fIheight\fP
     64 Change the height of the video to
     65 .IR height .
     66 .TP
     67 .B -L
     68 Write to stdout that the number of frames in the video is 0.
     69 This allows you to use a non-regular file, including a pipe, as
     70 .IR output-file .
     71 If you specify
     72 .RB ' - '
     73 as the
     74 .IR output-file ,
     75 the video is printed to stdout.
     76 
     77 This option is useful if you want to split a video, into
     78 multiple videos, as it allows to to split the video without
     79 having to store the entire raw video to disc.
     80 
     81 If you use this option, you can use
     82 .BR blind-split (1)
     83 to write the actual number of frames to the head, if this
     84 is needed.
     85 .TP
     86 .BR -r " "\fIframe-rate\fP
     87 Change the frame rate of the video to
     88 .IR frame-rate .
     89 This value can be a rational.
     90 .TP
     91 .BR -w " "\fIwidth\fP
     92 Change the width of the video to
     93 .IR width .
     94 .SH SEE ALSO
     95 .BR blind (7),
     96 .BR blind-to-video (1),
     97 .BR blind-convert (1),
     98 .BR blind-split (1),
     99 .BR blind-rewrite-head (1)
    100 .SH AUTHORS
    101 Mattias Andrée
    102 .RI < maandree@kth.se >