Dirac video codec 0.7.0 released (Stanley posted on May 14th, 2007 )

Dirac is a general-purpose video codec aimed at resolutions from QCIF (176×144) to HDTV (1920×1080), 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.

MediaCoder 0.6.0.3690 has included Dirac video encoder 0.7.0.


Changes of Dirac 0.7.0

  • Added support for Constant Bit Rate Coding.
  • Improved quality of encoded pictures at low bit-rates and
  • Improved motion vector data partitioning to allow for
  • Added support for integral motion vector precision.
  • Improved Arithmetic coding.
  • Solution and Project files for Visual C++ 2005 Express
  • Encoder and Decoder API header files have changed so
  • Released patches to MPlayer, FFmpeg to comply with this elease. Earlier patch to transcode can be used with elease.
  • DirecShow Filter released to be able to play back Dirac 0.7.0 files in Windows Media Player.
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