#9845: openjpeg2-2.3.0
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Reporter: bdubbs@… | Owner: bdubbs@…
Type: enhancement | Status: assigned
Priority: normal | Milestone: 8.2
Component: BOOK | Version: SVN
Severity: normal | Resolution:
Keywords: |
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Comment (by bdubbs@…):
## OpenJPEG 2.3.0 (October 2017)
No API/ABI break compared to v2.2.0 but additional symbols for subset of
components decoding (hence the MINOR version bump).
* Sub-tile decoding: when setting a window of interest through the API
function opj_set_decode_area(), only codeblocks that intersect this window
are now decoded (i.e. MCT, IDWT, and entropy decoding are only done on the
window of interest). Moreover, memory allocation now depends on the size
of the window of interest (instead of the full tile size).
* Ability to decode only a subset of components. This adds the following
function opj_set_decoded_components(opj_codec_t p_codec, OPJ_UINT32
numcomps, const OPJ_UINT32 comps_indices, OPJ_BOOL apply_color_transforms)
and equivalent opj_decompress -c compno[,compno]* option.
* Many bug fixes (including security fixes)
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Ticket URL: <http://wiki.linuxfromscratch.org/blfs/ticket/9845#comment:2>
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