.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.47.11.
.TH NORDLICHT "1" "September 2019" "nordlicht 0.4.5" "User Commands"
.SH NAME
nordlicht \- creates colorful barcodes from video files
.SH SYNOPSIS
.B nordlicht
[\fI\,OPTION\/\fR]... \fI\,VIDEOFILE\/\fR
.SH OPTIONS
.TP
\fB\-w\fR, \fB\-\-width\fR=\fI\,INT\/\fR
set the barcode's width; by default it's
"height*10", or 1920 pixels, if both are undefined
.TP
\fB\-h\fR, \fB\-\-height\fR=\fI\,INT\/\fR
set the barcode's height; by default it's
"width/10"
.TP
\fB\-o\fR, \fB\-\-output\fR=\fI\,FILENAME\/\fR
set output filename, the default is VIDEOFILE.png;
when you specify an *.bgra file, you'll get a raw
32\-bit BGRA file that is updated as the barcode is
generated
.TP
\fB\-s\fR, \fB\-\-style\fR=\fI\,STYLE\/\fR
default is 'horizontal', see "Styles" section
below. You can specify more than one style,
separated by '+', to get multiple tracks
.TP
\fB\-\-start\fR=\fI\,FLOAT\/\fR
specify where to start the barcode (ratio between
0 and 1)
.TP
\fB\-\-end\fR=\fI\,FLOAT\/\fR
specify where to end the barcode (ratio between 0
and 1)
.TP
\fB\-q\fR, \fB\-\-quiet\fR
don't show progress indicator
.TP
\fB\-\-help\fR
display this help and exit
.TP
\fB\-\-version\fR
output version information and exit
.SS "Styles:"
.TP
horizontal
compress frames to vertical lines and append them
.TP
vertical
compress frames to horizontal lines and rotate them counterclockwise by 90 degrees
.TP
slitscan
take single columns while constantly moving to the right (and wrapping back to the left)
.TP
middlecolumn
take the middlemost column of each frame
.TP
thumbnails
display small thumbnails at regular intervals
.TP
spectrogram
spectrogram of the first audio track (not all sample formats are supported yet)
.SH EXAMPLES
.TP
nordlicht video.mp4
generate video.mp4.nordlicht.png of default size
.TP
nordlicht video.mp4 \-s vertical
compress individual frames to columns
.TP
nordlicht video.mp4 \-w 1000 \-h 1000 \-o barcode.png
override size and name of the output file
.SH AUTHOR
Written by Sebastian Morr and contributors.