Miraizon DNxHD and ProRes Codecs for Macintosh Version History


Miraizon DNxHD and ProRes Codecs Version 2.0


  • New support for ProRes 4444 XQ profile encoding/decoding
  • New support for DNxHD 444 profile encoding/decoding
  • New encoding rate control system with improved image quality
  • New threaded encoding system for faster encoding performance
  • New support for r4fl pixel format
  • New support for 4:2:2 decoding into b64a pixel format
  • New DNxHD interface to select between 4:2:2 and 4:4:4 encoding


  • Improved initialization and threading for better Adobe compatibility
  • Fixed decoding to allow repeated reads of the decoded frame data
  • Fixed ProRes interlaced video problem for certain frame heights
  • Changed DNxHD end of frame marker location to follow Avid model


Miraizon DNxHD and ProRes Codecs Version 1.01


  • Added support for older style options dialogs for Adobe compatibility
  • Added support for ARGB (8/16 bits), BGRA, and r408 pixel formats
  • Added SSE2 acceleration for all 10 bit input/output functions
  • Added new Codecs Registration utility
  • Improved ProRes data rate targets to better scale by frame size
  • Improved performance for ProRes encoding and DNxHD decoding


  • Fixed problem with 10 bit unaccelerated 4:2:2 input/output
  • Fixed ProRes alpha plane encoding problem
  • Fixed DNxHD field order flag problem when encoding interlaced video


Miraizon DNxHD and ProRes Codecs Version 1.00

Initial release of Miraizon DNxHD and ProRes Codecs for Macintosh.
Click here to see a detailed list of the codec features.