openjpeg/src/lib/openjp2/jp2.c, branch master

opj_jp2_read_header(): move setting icc_profile here instead in opj_jp2_decode()/get_tile() + add unit test (fixes #570)

2023-03-26T12:03:59Z

opj_jp2_read_header(): move setting color_space here instead in opj_jp2_decode()/get_tile() (fixes #570)

2023-03-17T17:16:35Z

Fix Heap-buffer-overflow READ in opj_jp2_apply_pclr (#1441)

2022-08-12T13:48:41Z

The issue was found while fuzzing opencv: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=47342 The read overflow triggered by reading `src[j]` in ```cpp for (j = 0; j < max; ++j) { dst[j] = src[j]; } ``` The max is calculated as `new_comps[pcol].w * new_comps[pcol].h`, however the `src = old_comps[cmp].data;` which may have different `w` and `h` dimensions.

Add support for partial bitstream decoding (#1407) (fixes #715)

2022-02-10T13:27:17Z

Add a -allow-partial option to opj_decompress utility and a opj_decoder_set_strict_mode() option to the API Co-authored-by: Chris Hafey

Fix potential overflow related issues spotted by LGTM code analysis (#1402)

2022-01-18T20:55:10Z

Fix some typos (found by codespell)

2021-12-05T12:14:33Z

Signed-off-by: Stefan Weil

Testing for invalid values of width, height, numcomps (#1254)

2020-06-10T15:40:50Z

Add support for generation of PLT markers in encoder

2020-04-21T13:55:44Z

* -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

struct opj_j2k: remove unused fields, and add some documentation

2020-04-18T16:25:44Z

Fix some potential overflow issues (#1161)

2018-10-31T19:44:30Z

* Fix some potential overflow issues Put sizeof to the beginning of the multiplication to enforce that size_t instead of smaller integer types is used for the calculation. This fixes warnings from LGTM: Multiplication result may overflow 'unsigned int' before it is converted to 'unsigned long'. It also allows removing some type casts. Signed-off-by: Stefan Weil * Fix code indentation Signed-off-by: Stefan Weil