nordlicht - creates colorful barcodes from video files
nordlicht [OPTION]... VIDEOFILE
- -w,
--width=INT
- set the barcode's width; by default it's "height*10", or 1920
pixels, if both are undefined
- -h,
--height=INT
- set the barcode's height; by default it's "width/10"
- -o,
--output=FILENAME
- 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
- -s,
--style=STYLE
- default is 'horizontal', see "Styles" section below. You can
specify more than one style, separated by '+', to get multiple tracks
- --start=FLOAT
- specify where to start the barcode (ratio between 0 and 1)
- --end=FLOAT
- specify where to end the barcode (ratio between 0 and 1)
- -q, --quiet
- don't show progress indicator
- --help
- display this help and exit
- --version
- output version information and exit
- horizontal
- compress frames to vertical lines and append them
- vertical
- compress frames to horizontal lines and rotate them counterclockwise by 90
degrees
- slitscan
- take single columns while constantly moving to the right (and wrapping
back to the left)
- middlecolumn
- take the middlemost column of each frame
- thumbnails
- display small thumbnails at regular intervals
- spectrogram
- spectrogram of the first audio track (not all sample formats are supported
yet)
Written by Sebastian Morr and contributors.