openjpeg - Fork of openjpeg library for JPEG2000 encoding and decoding

Age	Commit message (Collapse)	Author
2020-04-21	Add support for generation of PLT markers in encoder	Even Rouault
	* -PLT switch added to opj_compress * Add a opj_encoder_set_extra_options() function that accepts a PLT=YES option, and could be expanded later for other uses. ------- Testing with a Sentinel2 10m band, T36JTT_20160914T074612_B02.jp2, coming from S2A_MSIL1C_20160914T074612_N0204_R135_T36JTT_20160914T081456.SAFE Decompress it to TIFF: ``` opj_uncompress -i T36JTT_20160914T074612_B02.jp2 -o T36JTT_20160914T074612_B02.tif ``` Recompress it with similar parameters as original: ``` opj_compress -n 5 -c [256,256],[256,256],[256,256],[256,256],[256,256] -t 1024,1024 -PLT -i T36JTT_20160914T074612_B02.tif -o T36JTT_20160914T074612_B02_PLT.jp2 ``` Dump codestream detail with GDAL dump_jp2.py utility (https://github.com/OSGeo/gdal/blob/master/gdal/swig/python/samples/dump_jp2.py) ``` python dump_jp2.py T36JTT_20160914T074612_B02.jp2 > /tmp/dump_sentinel2_ori.txt python dump_jp2.py T36JTT_20160914T074612_B02_PLT.jp2 > /tmp/dump_sentinel2_openjpeg_plt.txt ``` The diff between both show very similar structure, and identical number of packets in PLT markers Now testing with Kakadu (KDU803_Demo_Apps_for_Linux-x86-64_200210) Full file decompression: ``` kdu_expand -i T36JTT_20160914T074612_B02_PLT.jp2 -o tmp.tif Consumed 121 tile-part(s) from a total of 121 tile(s). Consumed 80,318,806 codestream bytes (excluding any file format) = 5.329697 bits/pel. Processed using the multi-threaded environment, with 8 parallel threads of execution ``` Partial decompresson (presumably using PLT markers): ``` kdu_expand -i T36JTT_20160914T074612_B02.jp2 -o tmp.pgm -region "{0.5,0.5},{0.01,0.01}" kdu_expand -i T36JTT_20160914T074612_B02_PLT.jp2 -o tmp2.pgm -region "{0.5,0.5},{0.01,0.01}" diff tmp.pgm tmp2.pgm && echo "same !" ``` ------- Funded by ESA for S2-MPC project
2017-08-17	Sub-tile decoding: only decode precincts and codeblocks that intersect the ↵	Even Rouault
	window specified in opj_set_decode_area()
2017-08-16	opj_t2_encode_packet(): only emit an error about insufficiently large output ↵	Even Rouault
	buffer in FINAL_PASS mode. Fixes (master-only) regression added in 0b4fef6d1901254e41ab74ed681daba477d724c3
2017-08-10	Propagate event manager down to opj_t2_encode_packet() and use it to emit an ↵	Even Rouault
	error message when the output buffer is too small
2017-07-30	src/lib/openjp2/*.h: use OPJ_ prefix for inclusion guards instead of ↵	Even Rouault
	reserved __ (#587)
2017-07-30	Fix Doxygen warnings (patch derived from Winfried's doxygen-dif.txt.zip, #849)	Even Rouault

2017-05-15	Reformat: apply reformattin on .h files (#128)	Even Rouault

2015-07-30	Remove printf/fprintf to stdout/stderr throughout openjp2 lib	mayeut
	Update uclouvain/openjpeg#246
2014-04-03	[trunk] updated copyright and added copyright notice required by ISO, in ↵	Antonin Descampe
	each file; updated AUTHORS, NEWS
2012-11-15	[trunk]update the copyright, the authors and thanks to respect the license	Mickael Savinaud

2012-11-15	[trunk] move opj_bool to OPJ_BOOL to follow the other type	Mickael Savinaud

2012-10-29	[trunk] remove old struct from V1 and not used in V2	Mickael Savinaud

2012-10-25	[trunk] [trunk] remove old opj_cp and rename opj_cp_v2 to opj_cp	Mickael Savinaud

2012-10-25	[trunk] [trunk] remove old opj_t2 and rename opj_t2_v2 to opj_t2	Mickael Savinaud

2012-10-25	[trunk] rename opj_tcd_truct_v2 to opj_tcd_struct	Mickael Savinaud

2012-09-28	[trunk] Start FolderReorgProposal task	Mathieu Malaterre
	Update issue 177