Changelog for kvazaar-2.2.0-150400.1.pm.3.x86_64.rpm :

* Wed Jan 04 2023 Luigi Baldoni - Update to version 2.2.0 Features:
* Updated Region of Interest (ROI) functionality to allow separate ROI map for each frame
* Improve inter search
* Update cabac context during search to improve the accuracy of bit cost estimation
* Move intra chroma search option from --rd 3 to its own option --(no-)intra-chroma-search and fast bipred to - -(no-)fast-bipred
* Change maximum rd level to 4, where 3 performs more rd search for inter and 4 performs full intra search
* Add --(no-)combine-intra-cus for controlling whether the larger intra blocks are tried even when search at current depth is disabled
* Add --force-inter for debugging purposes to force all PUs in inter slices to use best inter mode Optimizations:
* AVX2 implementations of bidirectional blending Fixes:
* Make sure the dpb is more than max_num_reorder_pics 899c672
* Compute proper count of buffered frames for vps and sps. Use common function d4880be
* Fix some strategy function pointer signatures a400504 External contributors:
* build: fix automake warning by AATTbradh
* cli: add missing newlines in usage by AATTbradh
* refactor SEI by AATTbradh
* cli: minor api doc fix by AATTbradh
* add sudo ldconfig by AATTbinbinzhm
* Enable -mpopcnt and -mlzcnt on AVX2 by AATTklondi- Bump sover to 7
* Wed Oct 13 2021 Luigi Baldoni - Update to version 2.1.0
* With this release, the license was changed from LGPL2.1 to 3-Clause BSD, allowing more liberties in using Kvazaar. Features:
* Option to use a custom table for fast bitrate estimation weights (--fast-coeff-table )
* Tools to create new weight sets for fast bitrate estimation (--fast-rd-sampling, --fastrd-accuracy-check, - -fastrd-outdir), documented in rdcost-weight-tool/README.txt
* Added support for Y4M input in addition to YUV (Autodetected, manually enable using --input-file-format=y4m)
* Allow writing out block statistics for debugging (--stats-file-prefix) Optimizations:
* New AVX2 implementations for interpolation filters Fixes:
* DTS offset was incorrect at the beginning of the sequence when using GOP
* Added VPS information about reordering and buffering, fixes VLC playback
* Removed pthread_exit() on mingw to fix media-autobuild suite
* Renamed truncate function to not overlap with POSIX one.
* Wed Apr 22 2020 Luigi Baldoni - Update to version 2.0.0
* Several unmentioned improvements and fixes Highlights:
* Updated presets
* Updated GOP definitions using QP offset model. + There is now even longer hierarchical GOP --gop=16
* Much faster and improved bipred
* Alternative and better rate control algorithm, optimal bit allocation (--rc-algorithm oba)
* Variance adaptive quantization (--vaq) Features:
* Option to set QP offset for intra frames (--intra-qp-offset, automatical by default)
* Zero-coeff-rdo is now configurable (--zero-coeff-rdo)
* Optional intra frame analysis for rate control (--intra-bits)
* Optional machine learning based depth constraints for intra search (--ml-pu-depth-intra)
* PU depths are now separately configurable for each GOP layer User Interface:
* Report bitrate and some kind of (cumulative) average QP Optimizations:
* More AVX2 opimizations for SAO
* More AVX2 opimizations for transforms
* More AVX2 opimizations for intra prediction
* AVX2 strategy for variance calculation- Bump sover to 6
* Tue Jul 09 2019 Luigi Baldoni - Update to version 1.3.0 Features:
* Add release notes like this (#159, cf85d52)
* Changed --rd=2 to use SSD metric for CU mode decision (662430d)
* Changed inter search to check the cost of flushing residual to zero (75a8700)
* Changed rectangular and asymmetric blocks to use a transform split (774c666)
* Added diamond search ME algorithm (4e13608)
* Enabled low delay B GOP structure with --bipred - -gop=lp-g4d3t1 (7155dd0)
* Added termination of intra search at zero residual with - -intra-rdo-et (4fb1c16) Optimization:
* Made TZ search faster and slightly better (c136044)
* Optimized bi-prediction (69756e2) Fixes:
* Fixed transform skip with rectangular inter blocks (fb462b2)
* Fixed accidental inter search for 4x4 blocks (649113a) User Interface:
* Changed options for all preset levels (f033ad0)
* Added an option for limiting the number of steps in motion estimation with --me-steps (39ed368)
* Added --me=dia (4e13608)
* Added --level, --force-level and --high-tier for setting bitstream level and tier (bac0745) Building:
* Fixed issue with struct timespec redefinition with Visual Studio 2015 and later (713e694)
* Fixed building .asm files in Visual Studio 2017 (6be8195)
* Fixed compatibility with crypto++ 6.0 (4b24cd0)
* Added support for crypto++ with the name libcryptopp (411276d)
* Dockerfile base image was updated to Ubuntu 18.04 (8380b6c)
* Enabled -Wextra by default (ff17e0b) Refactoring:
* Inter motion vector cost functions (c73cce3)
* Dockerfile (0164291)
* Fri Nov 17 2017 aloisioAATTgmx.com- Update to version 1.2.0 Features:
* Intra prediction mode encryption with - -crypto=intra_pred_modes (2b8ce5e)
* Adaptive QP for 360° video with --erp-aqp (26adef4)
* New selection algorithm for --owf=auto and --threads=auto (8c4a347)
* Added an option to set the encryption key using --key (2e13091)
* Added an option to limit SAO to band offset or edge offset only with --sao=band and --sao=edge (8674c0f) Optimization:
* Reduced number of intra modes checked when using --rd=2 (2cad317)
* Reduced inter-frame CTU dependencies caused by SAO (050e90d)
* Changed to a faster calculation for coefficient costs when using --rd=0 (1ead9c0) Fixes:
* Fixed long motion vectors not getting clipped (#158, 85e2a40)
* Fixed order of pictures in reconstruction debug output when - -gop=8 is used (#101, aae141f)
* Fixed a use-after-free when encoding very few frames with - -gop=8 (#161, 2991962)
* Fixed a crash when video size is not a multiple of the smallest CU size (2f2405d)
* Fixed invalid bitstream when QP is too large (382636d)
* Fixed a race condition causing a deadlock (5f8e17d)
* Fixed a memory leak in encryption (8654b48)
* Fixed I-frames not being IRAP frames when using GOP (00c9f52, 841597e)
* Fixed computing inter and intra costs with different metrics (afc13f1)
* Fixed reliance on undefined behavior (b41f0fa, 924cf85)
* Fixed --mv-constraint=frametilemargin constraining motion vectors too much (409d211)
* Fixed using --bipred with --tmvp (#160, 9974380) User Interface:
* Changed type of kvz_config.roi.dqps from uint8_t
* to int8_t. Delta QP values for --roi may now be negative. (79cb3a2)
* Changed PSNR display format (20d6444) Building:
* Default to no -Werror. Run configure with --enable-werror to enable it. (033bc6b)
* make check now runs valgrind tests that used to only run on Travis. Programs ffmpeg, valgrind and TAppDecoderStatic should be found from $PATH (6bbe5e1) Refactoring:
* Removed duplicate code in inter MVP and merge candidate selection (4fb0783)
* Removed duplicate code in intra reconstruction for luma and chroma (e944416)
* Changed functions for writing the CU tree bitstream to use luma pixel coordinates (610c91b, f5eef7f)
* Removed duplicate code in functions for writing intra CU bitstream with and without encryption (525a518)
* Removed duplicate code in helper functions in search.c (2c73476)
* Gathered function parameters for inter search functions into a single struct (2fa3d82)- Refreshed kvazaar.memset.patch- Bumped library version to 4
* Wed Feb 22 2017 scarabeusAATTopensuse.org- Bit of spec cleanup
* Thu Feb 16 2017 aloisioAATTgmx.com- Update to version 1.1.0
* Both BDRate and speed improved slightly. Features:
* Bitrate control now works at LCU level, giving more consistent results. (2318bd7)
* Added --roi parameter for LCU level delta-QP control. (4a0121a)
* Added --slices parameter for encapsulating tiles and WPP-rows into slice NAL\'s instead of using bitstream offsets. (1e6463c)
* Temporal motion vector prediction now works with B-frames. (d892be5) Optimization:
* Added AVX2 version of SSD. (778e46d)
* Optimized intra reference building. (c31207e)
* Optimized bitstream writes. (a9e45ef)
* Optimized CU-split decision. (2c069a3)
* Fix main-thread busy-looping on Linux. (a5a925f)
* Avoid initializing memory needlessly during RDOQ. (acd12cb, b021d22) Fixes:
* Pass DTS and PTS timestamps correctly through the API. (d18de19)
* Fixed bug with subpixel motion estimation within tiles. (2c005cd)
* Improved 10-bit RD-performance. (70a52f0)
* Fixed for stupendously large bitstreams when - -mv-constraint was used with --subme. (937a764)
* Fixed bug with --smp and --amp. (46c9a48)
* Fix problem with --bipred. (1e6463c)
* Fixed hang with threading on OSX. (d893474)
* Fix crash when frame is less than 65 pixels high and WPP is used. (b8e3513) User Interface:
* Disabled WPP with tiles enabled. (cb6672b)
* Improved --help. (5bf7454, 78a28e0)
* Made it possible to disable the gop-structure that was enabled by default in v.1.0.0. (deb63f7)
* Have --threads=auto enable threading instead of disabling it. (db5e750)
* Give errors on failures and handle them better. (97863cd, 6a178de)
* Use reference picture number of medium preset by default. (7ff33e1) Building:
* Include optimizations on 32-bit. (1dcc993)
* Added appveyor CI tests for MSYS2. (e269b86)
* Add pkg-config macros, so pkg-config doesn\'t need to be installed anymore. (2d7daa1)
* Travis CI OSX tests work again. (c32f5fa) Refactoring:
* Refactored deblocking and sign hiding. (7ec5f78)
* Removed Exp-Golomb lookup table. (ed3bd89)
* Copy kvz_config to encoder_control_t and remove duplicate fields. (e78a8df)
* Tue Oct 04 2016 aloisioAATTgmx.com- Update to version 1.0.0 New Features
* --version
* --help
* --loop-input
* --mv-constraint to constrain motion vectors
* --tiles=2x2 as an alternative syntax for uniform tiles
* --hash=md5
* Print information about what SIMD optimizations are in use
* --mv=full8 --mv=full16 --mv=full32 --mv=full64
* --cu-split-termination=zero/off
* --crypto for selective encryption of bitstream (for OpenHEVC)
* --me-early-termination=sensitive/on/off for early termination of motion vector search
* Added 4x8 SMP and 4x12 AMP motion partitions
* --subme=0/1/2/3/4 for control over complexity of fractional pixel motion prediction
* --lossless for lossless coding
* Monochrome coding
* --input-format=420/400
* --input-bitdepth=8/10
* --tmpv for temporal motion vector predictor
* --rdoq-skip for not using rdoq for situations where it\'s unlikely to improve BDRate
* Modified --gop=lp-g4d3r1t1 syntax to not take the reference frames as a parameter, it\'s now --gop=lp-g4d3t1.
* Enable WPP and multithreading by default, with detection for number of cores
* Update all presets to ratedistortion-complexity optimized versions. These are based on a search of all (~ish) possible encoding parameters and bring a huge boost to both speed and BDRate when encoding with the presets (10x speed for veryslow, ~1.1x-4x for others, up to 30% improved BDRate for some presets).
* Set default options to match medium with intra period of 64, QP 22 and --gop=lp-g4d3t1
* --implicit-rdpcm RExt feature Optimizations
* AVX2 version for Sample Adaptive Offset (SAO)
* Optimized memory copying
* AVX2 versions of filters for fractional pixel motion estimation
* AVX2 version for half pixel chroma sampling for SMP/AMP
* AVX2 versions for calculating two or four SATD values at once for small blocks
* Rewrote AVX2 version of fractional pixel motion compensation
* Rewrote motion vector cost calculation. It only got slightly faster, but BDRate improved a bunch due to the new implementation being more correct.
* Made AVX2 SAD use SSE4.1 for cases where there isn\'t an AVX2 implementation, speeding up SMP/AMP. Bugfixes
* Fixed a bug in rate control where an int overflowed after coding 2^31 bits (2Gb)
* Fixed non-determinism intiles
* Fixed chroma reconstruction bug in tiles
* Fixed a bug with calculating the number of bits used for intra mode on 4x4 CUs
* Stopped checking zero motion vector multiple times in motion compensation
* Fixed possible segfault in motion compensation
* Fixed a race condition with OWF and SMP/AMP
* Gave pthread_cond_timedwait time in correctly, such that main thread now sleeps instead of busylooping when it has nothing to do
* Fixed rate control with lp-gop
* Fixed full search not taking temporal motion vector into account
* Allow non-gop-length intra period for lp-gop Code / Building / Testing
* Moved SAO to it\'s own file
* Removed a ton of unnecessary includes
* Updated autotools ax_pthread
* Added build test for OS-X for Travis
* Made tests check for bitstream correctness
* Refactored some of the copypasta in motion vector search starting point selection
* Refactored the cu_info_t datastructures to hold information at a 4x4 resolution needed for AMP and SMP
* Changed cu_info_t to use bitfields to negate the effect of increasing the cu_info_t array by a factor of 4
* Moved bitstream generation from encoderstate.c to encode_coding_tree.c
* Renamed encoder_state_t.global to frame, which makes sense since it hold frame level data, not global data
* Rewrote integer vector inter prediction, because it was so bad
* Refactored init_lcu_t
* Added more tests for inter SAD
* Added speed tests for dual intra SAD functions
* Added more realistic speed tests for inter SAD Other
* Added a manpage
* Added scripts for updating manpage and README based on - -usage.
* Added a Dockerfile. Just because.
* Added commit date to --version
* Thu Jan 28 2016 aloisioAATTgmx.com- Update to version 0.8.3
* Sat Jan 16 2016 aloisioAATTgmx.com- Update to version 0.8.2- Bumped library version to 3
* Fri Jan 15 2016 aloisioAATTgmx.com- Update to version 0.8.1- Removed static library
* Mon Nov 02 2015 aloisioAATTgmx.com- Update to version 0.7.2
* Sun Oct 25 2015 aloisioAATTgmx.com- Update to version 0.7.1
* bumped library version to 2
* Sat Oct 10 2015 aloisioAATTgmx.com- Update to version 0.7.0
* bumped library version to 1- Removed kvazaar-arm.patch because it\'s now fixed upstream
* Fri Sep 18 2015 aloisioAATTgmx.com- Update to version 0.6.1
* Tue Sep 15 2015 aloisioAATTgmx.com- Initial version 0.6.0