Dirac is a general-purpose video codec aimed at resolutions from QCIF (176x144) 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. The Open Source implementation provides a C++ library with an encoder and decoder. License: Mozilla Public License (MPL) Changes: This is a minor release that complies with Dirac Bytestream Specification 2.1.0. Bugs in the motion compensation block weighting matrix and in the constant bit rate module when encoding I-frame only sequences were fixed. Bugs in the Dirac patches for MPlayer and FFmpeg and the Dirac DirectShow Filter were fixed.

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