The Open Compression Toolkit for C++ (original) (raw)

About Octane

The Open Compression Toolkit is a set of modular C++ classes and utilities for implementing and testing compression algorithms.

Simple interface and skeleton code for creating new compression algorithms.
Complete testing framework for validating and comparing new algorithms.
Support for algorithms that use external dictionaries/headers.
Utility classes and sample code for bitio, frequency counting, etc.

Learn More

Introduction - a short introduction to the Octane toolkit.
A Simple Walkthrough - the Octane Tester application.
The Compressor API - how to write your own Octane compressor.
History - changes between releases.
Future Work - some ideas for the future development.
Documentation - the complete documentation.
Class Diagram - a diagram of the class hierarchy.

Downloads

The current Octane distribution and documentation:

Octane v1.01.20 (full package)	download (1.5mb)
Octane v1.01.20 (source only)	download (200k)
Documentation in HTML format	download (600k)
Documentation in HTML Help format	download (600k)
Documentation in PDF format	download (1.6mb)

May 19 2004 - v1.01.20
Minor Update Fixed bug causing SubStrHuff to crash during compression in some cases. Improved reporting of compression/decompression speeds. For a detailed list of changes, see the release history page.

August 28 2003 - v1.01.19
Minor Update Fixed bug in huffman coder leading to long bitcodes for unseen ascii characters

August 28 2003 - v1.01.18
Minor Update Fixed error when compiling under linux; fixed some spelling errors.

August 14 2003 - v1.01.17
Minor Update Added 2 new compressors/preprocessors by loco (zero-length encoder, move-to-front)

August 12 2003 - v1.01.16
Minor Update Small spelling mistakes corrected; added a new sample compressor to show how to make non-statistical compressors.

August 11 2003 - v1.01.15
First Release The first release of Octane is now availabe. Documentation is also available for on-line browsing and download.