[theora-dev] [vorbis-dev] liboggz-0.8.3

[Conrad Parker]

Oggz 0.8.3 Release
------------------

liboggz is a C library providing a simple programming interface for reading
and writing Ogg files and streams. Ogg is an interleaving data container
developed by Monty at Xiph.Org, originally to support the Ogg Vorbis audio
format.

This release is available as a source tarball at:

http://www.annodex.net/software/liboggz/download/liboggz-0.8.3.tar.gz

New in this release:

        * Theora header parsing updated for Theora alpha3
        * fixes for win32 build procedure
        * improved API documentation for seeking, OGGZ_AUTO and OggzIO

About Oggz
----------

Oggz comprises liboggz and the command-line tools oggzdump and oggzdiff.

liboggz supports the flexibility afforded by the Ogg file format while
presenting the following API niceties:

        * Full API documentation.

        * Comprehensive test suite of read, write and seeking behavior.

        * Developed and tested on GNU/Linux, Darwin/MacOSX and Win32. May
        work on other Unix-like systems via GNU autoconf. For Win32: nmake
        Makefiles, Visual Studio .NET 2003 solution files and Visual C++ 6.0
        workspace files are provided in the source distribution.

        * Strict adherence to the formatting requirements of Ogg bitstreams,
        to ensure that only valid bitstreams are generated; writes can fail
        if you try to write illegally structured packets.

        * A simple, callback based open/read/close or open/write/close
        interface to raw Ogg files.

        * Writing automatically interleaves with packet queuing, and provides	
        callback based notification when this queue is empty

        * A customisable seeking abstraction for seeking on multitrack Ogg
        data. Seeking works easily and reliably on multitrack and multi-codec
        streams, and can transparently parse Theora, Speex, Vorbis and Annodex
        headers  without requiring linking to those libraries. This allows
        efficient use on servers and other devices that need to parse and
        seek within Ogg files, but do not need to do a full media decode.

Full documentation of the liboggz API, customization and installation,
and mux and demux examples can be read online at:

    http://www.annodex.net/software/liboggz/html/

Tools
-----

The Oggz source tarball also contains the following command-line tools,
which are useful for debugging and testing Ogg bitstreams:

        * oggzdump: Hexdump packets of an Ogg file, or revert an Ogg file
        from such a hexdump.

        * oggzdiff: Hexdump the packets of two Ogg files and output
        differences Oggz is Free Software, available under a BSD-style
        license.

License
-------

Oggz is Free Software, available under a BSD style license.

More information is available online at the Oggz homepage:

    http://www.annodex.net/software/liboggz/

enjoy :)


--
Conrad Parker
Senior Software Engineer, Continuous Media Web, CSIRO Australia
http://www.annodex.net/   http://www.ict.csiro.au/cmweb/
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