General-purpose video codec
Dirac is a general-purpose video codec aimed at resolutions from QCIF
(180x144) to HDTV (1920x1080) progressive or interlaced. It uses wavelets,
motion compensation and arithmetic coding and aims to be competitive with
other state of the art codecs.
README for the Dirac video codec
by the BBC R&D Dirac team (firstname.lastname@example.org)
1. Executive Summary
Dirac is an open source video codec. It uses a traditional hybrid video codec
architecture, but with the wavelet transform instead of the usual block
transforms. Motion compensation uses overlapped blocks to reduce block
This is a Beta release complying with the latest Dirac Bytestream Specification
- Code refactor to distinguish between fields and frames. Generic term
picture is used instead of frames to indicate either fields or frame.
Public API has changed as a result.
- Added support for various forms of pre-filtering.
- Added support for Ultra High Definition video
2008-06-04 15:33 asuraparaju
* NEWS: Updated 0.10.0 release notes
2008-06-04 15:32 asuraparaju
* README.release: Update pre-release checks
2008-06-04 14:48 asuraparaju
* extras/dirac_dshow/INSTALL: Modify install notes to use the
supported MS VC++ environment.
2008-06-04 14:46 asuraparaju
Thomas Davies, BBC Research and Development
The Dirac software source code is licensed under the Mozilla Public License
Version 1.1, which is in
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