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ibniz - Virtual machine for compact low-level audiovisual programs


ibniz [OPTION]... [CODE]


Virtual machine for compact low-level audiovisual programs

IBNIZ is a virtual machine designed for extremely compact low-level audiovisual programs.
The leading design goal is usefulness as a platform for demoscene productions, glitch art
and similar projects. Mainsteam software engineering aspects are considered totally

IBNIZ stands for Ideally Bare Numeric Impression giZmo. The name also refers to Gottfried
Leibniz, the 17th-century polymath who, among all, invented binary arithmetic, built the
first four-operation calculating machine, and believed that the world was designed with
the principle that a minimal set of rules should yield a maximal diversity.

The IBNIZ virtual machine is basically a two-stack machine somewhat similar to Forth
implementations but with the major difference that the stack is cyclical and also used as
output buffer. The machine runs in an endless loop by default, with the loop counter
variable(s) pushed on top of the stack on every loop cycle.

Each instruction is one character long, with the exception of 'loadimm' which consists of
a string of hexadecimal digits. This also gives IBNIZ some flavor of an esoteric
programming language.


Read configuration settings from <file>, if it exists.

--version, -V
Show this program's version number and exit.

--help, -h
Show this help message and exit.

And a lot more standard docutils options.


-h Dump help on command line usage

-v Dump version info

Execute code

-n No autorun of loaded code

The following extra options were added for creating the YouTube video:

-e Dump user keystrokes to stdout

-p Playback dumped user keystrokes from stdin

-M Dump raw video to stdout and raw audio to stderr, 30 fps, non-realtime, yuv4mpeg2
and pcm_s16


Some commands used in this process, for reference:

./ibniz -e > events

./ibniz -M -p < events 2>vid.pcm | ffmpeg -y -i - -r 30 vid.avi

ffmpeg -i vid.avi -f s16le -ar 44100 -ac 1 -i vid.pcm -vcodec copy vidav.avi

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