openjpeg/libopenjpeg/t1.c, branch version.1.4 Fork of openjpeg library for JPEG2000 encoding and decoding https://git.carlh.net/cgit/openjpeg/atom?h=version.1.4 2010-10-24T20:28:22Z Fixed doxygen data inside source code (from winfried) 2010-10-24T20:28:22Z Antonin Descampe antonin@gmail.com 2010-10-24T20:28:22Z urn:sha1:0dc7f6a2d3d2a242c561b7cc1e4003542f2810b1 Significant optimizations of MCT, DWT, MQ and T1 modules by Peter Wimmer (thanks Peter) 2010-04-08T17:22:58Z Francois-Olivier Devaux fodevaux@users.noreply.github.com 2010-04-08T17:22:58Z urn:sha1:627f484bce7b572dfcbd13f90f5f6fb083d1008c fixed MCT check bug in t1_getwmsedec. See http://groups.google.com/group/openjpeg/browse_thread/thread/d9d96dd4ec3e7443 for info 2009-11-06T12:52:54Z Antonin Descampe antonin@gmail.com 2009-11-06T12:52:54Z urn:sha1:9324bc4cd4fac1934a9b72ef0f16cf79ccc73d0a Patch by Callum Lerwick. The opj_tcd_cblk array is one of the largest allocations, because it contains a bunch of static buffers. This also makes it a major source of cache thrashing. This patch allocates the buffers from the heap, and dynamically sizes them in the decoder. I have not yet managed to dynamically size them in the encoder, getting the decoder to do it was tricky enough... I also split opj_tcd_cblk_t into separate encode and decode versions. A lot of fields were not used by both, so this cuts its size even further. 2007-11-14T10:52:02Z Francois-Olivier Devaux fodevaux@users.noreply.github.com 2007-11-14T10:52:02Z urn:sha1:010ae27471655e3fe05912bd9965245a4f2cd7f3 Patch by Callum Lerwick. This patch rearranges the largest memory allocations so they're allocated as late as possible, and freed as soon as possible. This cuts memory usage by about half on two large test images. 2007-11-14T08:45:00Z Francois-Olivier Devaux fodevaux@users.noreply.github.com 2007-11-14T08:45:00Z urn:sha1:24e189e4d8a231e7273d788b2bd77e2484cec761 Patch by Dzonatas and Callum Lerwick. Fp/vectorization patch which basically converts most of the irreversible decode codepath to floating point, eliminating a few rounds of int/fp conversion, resulting in a vast performance improvement, and an increase in accuracy. 2007-11-13T17:35:12Z Francois-Olivier Devaux fodevaux@users.noreply.github.com 2007-11-13T17:35:12Z urn:sha1:dbeebe72b9d35f6ff807c21c7f217b569fa894f6 In t1.c, small change to avoid calling twice t1_getwmsedec() 2007-11-08T14:26:03Z Francois-Olivier Devaux fodevaux@users.noreply.github.com 2007-11-08T14:26:03Z urn:sha1:c38de0728d481f1c821d9e86df960e1f1c36c04f Patch from Callum Lewick. Basic gcc optimization flags in cmake and makefile match. Patch from Callum Lewick. Memset patch. See ChangeLog for more details. Thanks Callum ! 2007-10-18T12:26:11Z Francois-Olivier Devaux fodevaux@users.noreply.github.com 2007-10-18T12:26:11Z urn:sha1:9e114bcaa47194a9f6af8eadf6d7cb9bb1ec277f Indexes can now be generated when decoding J2K codestreams. 2007-09-07T15:01:55Z Francois-Olivier Devaux fodevaux@users.noreply.github.com 2007-09-07T15:01:55Z urn:sha1:3816e0edf40b766ab78cdbf3ba5634b684630d0f Use <xmmintrin.h> for WIN32, else use <mm_malloc.h> 2007-08-21T12:57:39Z Francois-Olivier Devaux fodevaux@users.noreply.github.com 2007-08-21T12:57:39Z urn:sha1:1d02a8b59505e2faace66ad5cbb607e994cc46eb