openjpeg/NEWS.md

2.2 KiB

OpenJPEG NEWS

More details in the Changelog

OpenJPEG 2.1.2

  • Bug fixes (including security fixes)
  • No API/ABI break compared to v2.1.1

OpenJPEG 2.1.1

  • Huge amount of critical bugfixes
  • Speed improvements
  • No API/ABI break compared to v2.1

OpenJPEG 2.1.0

New Features

* Digital Cinema profiles have been fixed and updated
* New option to disable MCT if needed
* extended RAW support: it is now possible to input raw images
  with subsampled color components (422, 420, etc)
* New way to deal with profiles

API/ABI modifications

(see here for details)

* Removed deprecated functions 
    * opj_stream_create_default_file_stream(FILE*,...)
    * opj_stream_create_file_stream(FILE*,...)
    * opj_stream_set_user_data (opj_stream_t* p_stream, void * p_data)
* Added 
    * opj_stream_create_default_file_stream(char*,...)
    * opj_stream_create_file_stream(char*,...)
    * opj_stream_destroy(opj_stream_t*)
    * opj_stream_set_user_data (opj_stream_t* p_stream, void * p_data, 
        ... opj_stream_free_user_data_fn p_function)
    * JPEG 2000 profiles and Part-2 extensions defined through '#define'
* Changed
    * 'alpha' field added to 'opj_image_comp' structure
    * 'OPJ_CLRSPC_EYCC' added to enum COLOR_SPACE
    * 'OPJ_CLRSPC_CMYK' added to enum COLOR_SPACE
    * 'OPJ_CODEC_JPP' and 'OPJ_CODEC_JPX' added to CODEC_FORMAT
      (not yet used in use)
    * 'max_cs_size' and 'rsiz' fields added to opj_cparameters_t

Misc

* OpenJPEG is now officially conformant with JPEG 2000 Part-1
  and will soon become official reference software at the 
  JPEG committee.
* Huge amount of bug fixes. See CHANGES for details.

OpenJPEG 2.0.0

New Features

* streaming capabilities
* merge JP3D

API modifications

(see here for details)

* Use a 64bits capable API

Misc

* removed autotools build system
* folders hierarchies reorganisation
* Huge amount of bug fixes. See CHANGES for details.