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This is a simple image corruptor that utilizes ImageMagick and FFmpeg.

Latest Changelog

• Added proper OpenBSD support
• Added support for non-gnu OSes

How 2 use dis?

1. Install the self explanatory dependencies
2. Run the script with sh corruptor.sh on Android or ./corruptor.sh on other platforms

The only dependencies are FFmpeg, ImageMagick and POSIX commands such as head, tail and sed

Built-in help message

"image-corruptor" is a simple POSIX Shell script for adding glitch effects to images e.g. corrupting them.
The corruption process utilizes ImageMagick, FFmpeg and Coreutils.

Options:

 VAR     SWITCH    FUNCTION
 input   (-i=)     - Input file
 output  (-o=)     - Output file
 filter  (-f=)     - FFmpeg audio filter (see ffmpeg.org/ffmpeg-filters.html)
 complex (-c=)     - Complex FFmpeg audio input
 format  (-a=)     - Intermediate audio format (see "ffmpeg -formats")
 rate    (-r=)     - Intermediate audio rate
 imargs  (-m=)     - Additional ImageMagick arguments
 src     (-s=)     - File with predefined variables
 debug   (--debug) - Enable simple debug info
 lavfi   (--lavfi) - Use lavfi complex input format
 alpha   (--alpha) - Enable alpha channel
 nolim   (--nolim) - Use an older image restoration alghorhithm

To test if everything works you can do
 $ convert -size 300x300 gradient:white-gray -rotate 45 /tmp/some.png
 $ ./corruptor.sh -i=/tmp/some.png -f=earwax,aecho -o=output.png
You should get a corrupted, stripey image from this.

The simplest way to corrupt an image with this script would be ./corruptor.sh -i=input.png -f=lowpass

If no output file is specified, the name will be generated automatically.

Technical

Tested OSes

• Android
• MacOS
• Haiku OS
• FreeBSD
• OpenBSD
• Linux (Arch, NixOS, Alpine, Fedora)

UNtested (but probably working) OSes

• NetBSD
• MirBSD
• Windows (With Cygwin or MSYS)

Corrupted Images

custom "acrusher=bits=16:samples=12"

custom "acrusher=bits=16:samples=200:mix=0.1"

TODO

• More testing, some features break the output images.
• Fix mtrkss/video-corruptor