openjpeg/src/lib/openjp2/dwt.c, branch cancel Fork of openjpeg library for JPEG2000 encoding and decoding https://git.carlh.net/cgit/openjpeg/atom?h=cancel 2025-01-24T12:26:40Z wip 2025-01-24T12:26:40Z Carl Hetherington cth@carlh.net 2025-01-24T12:26:40Z urn:sha1:e53debb0a1b49af365cd9b67b7161d343c872ecd opj_dwt_decode_tile(): avoid potential UndefinedBehaviorSanitizer 'applying zero offset to null pointer' (fixes #1505) 2024-02-18T16:17:00Z Even Rouault even.rouault@spatialys.com 2024-02-18T16:17:00Z urn:sha1:d903fbb4ab9ccf9b96c8bc7398fafc0007505a37 Avoid integer overflows in DWT. Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44544 2022-02-10T13:30:13Z Even Rouault even.rouault@spatialys.com 2022-02-10T13:30:13Z urn:sha1:1462e9403fb7d1186e999701dfe72980262a089c Fix some typos (found by codespell) 2021-12-05T12:14:33Z Stefan Weil sw@weilnetz.de 2021-12-05T12:04:30Z urn:sha1:667149ffa11f0255db92f522bc5b5fc8aefb16ec Signed-off-by: Stefan Weil <sw@weilnetz.de> Avoid integer overflows in DWT. Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11700 and https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=30646 2021-09-03T13:17:56Z Even Rouault even.rouault@spatialys.com 2021-09-03T13:17:56Z urn:sha1:badbd93af92836c7a38ef069d410a829e2575ce2 Encoder: avoid global buffer overflow on irreversible conversion when too many decomposition levels are specified (fixes #1286) 2020-11-30T22:29:06Z Even Rouault even.rouault@spatialys.com 2020-11-30T21:37:07Z urn:sha1:6daf5f3e1ec6eff03b7982889874a3de6617db8d Forward DWT 9-7: major speed up by vectorizing vertical pass 2020-05-22T23:01:05Z Even Rouault even.rouault@spatialys.com 2020-05-22T21:57:51Z urn:sha1:1e931fdb3655c64ab60ea5657f79309331a86485 `bench_dwt -I -encode` times goes from 8.6s to 2.1s Forward DWT 5-3: major speed up by vectorizing vertical pass 2020-05-22T23:01:05Z Even Rouault even.rouault@spatialys.com 2020-05-22T15:50:15Z urn:sha1:a38e970fa59abd796c703ec469e578b09f7ffa33 `bench_dwt -encode` times goes from 7.9s to 1.7s Forward DWT: small code refactoring to allow future improvements for the vertical pass 2020-05-22T14:01:45Z Even Rouault even.rouault@spatialys.com 2020-05-22T13:58:47Z urn:sha1:e69fa09f604bc472f9fbff5c2b2db65e8dbe2418 dwt.c: remove unused typedef 2020-05-22T13:06:29Z Even Rouault even.rouault@spatialys.com 2020-05-22T13:06:29Z urn:sha1:33d3d0de07be710f53940c7548b9f2bd58ff3210