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175 commits

Author SHA1 Message Date
siivonek 7551952eeb [lfnst] Fix separate tree type checks. Fix lfnst search. Lfnst is now done in outer loop. 2022-06-28 15:20:42 +03:00
siivonek 64c5cfb127 [lfnst] Fix error in scan table selection. 2022-06-28 15:20:41 +03:00
siivonek 1c5f7f9dfc [lfnst] Fix errors in quantization code. Lfnst was called in wrong place. Fix error in lfnst algorithm, 16 bit integer overflow issue. 2022-06-28 15:20:41 +03:00
siivonek 2975b1fef0 [lfnst] WIP Implement lfnst search. Resolve some TODOs. 2022-06-28 15:20:40 +03:00
siivonek acfc28d7ce [lfnst] Fix CI errors. Lfnst tables didn't have kvz prefix. 2022-06-28 15:20:37 +03:00
siivonek e11fd3154d [lfnst] Implement cabac write. 2022-06-28 15:20:36 +03:00
siivonek 929828392a [lfnst] Implement inverse lfnst. 2022-06-28 15:20:36 +03:00
siivonek d9f556e219 [lfnst] Implement forward LFNST functions. 2022-06-28 15:20:35 +03:00
Joose Sainio 153afc6739 Merge branch 'improve-intra-search' 2022-05-30 13:35:46 +03:00
Marko Viitanen b5dce4c94e Rename all files containing "kvazaar" or "kvz" to "uvg266" and "uvg" 2022-04-28 14:26:05 +03:00
Marko Viitanen f14ea35ec9 Rename kvz_ to uvg_ 2022-04-28 14:18:09 +03:00
Joose Sainio a88553b206 fix jccr and improve intra parameter passing 2022-03-24 11:11:33 +02:00
Joose Sainio 0be443d309 WIP: Merge remote-tracking branch 'remotes/kvz_github/master' into update-cabac-during-search 2022-03-21 11:03:46 +02:00
Marko Viitanen 3a447e09c2 [trskip] Allow changing the max tr-skip size 2021-12-02 22:56:07 +02:00
Ari Lemmetti ec2f4e0bac Use double for RD costs in most places 2021-12-02 20:00:15 +02:00
Marko Viitanen 3fda2dd6c8 [cleanup] Fix some warnings 2021-11-29 16:31:09 +02:00
Marko Viitanen 54eaba3dee Fix merge issues and license texts 2021-11-23 08:46:06 +02:00
Marko Viitanen 885570e181 Merge branch 'master' of https://github.com/ultravideo/kvazaar 2021-11-22 22:11:32 +02:00
Marko Viitanen 57883369ca Change all the license texts in source headers and LICENSE file to 3-clause BSD, closes #302 
* All now have the same exact text string
 2021-10-13 15:22:46 +03:00
Joose Sainio 3a73abd264 [jccr] disable jccr for blocks when tr-depth != depth, i.e. 64×64 2021-09-06 11:28:32 +03:00
Joose Sainio 072b84711a [jccr] fix 64×64 CUs 2021-09-06 11:28:20 +03:00
Joose Sainio 29d86aea84 [jccr] cmdline option 2021-09-06 11:28:08 +03:00
Joose Sainio 042b5078d8 [jccr] WIP initial implementation 
Add somekind of search for joint chroma residual coding.
Bitstream is currently correct but prediction is incorrect because the jccr
is actually not used in the search.

Hard coded to be enabled
 2021-09-06 11:28:08 +03:00
Marko Viitanen 5604b6f946 [cleanup] remove all crypto related stuff, fix warnings, move estimate.m to tools/ 2021-07-27 09:27:51 +03:00
Joose Sainio cfffd7166c Use correct context for calculating coeff costs for transform skip 2021-06-07 13:06:03 +03:00
Marko Viitanen 4594bf0ca8 Merge branch 'lmcs_chroma' 2021-06-02 15:05:04 +03:00
Marko Viitanen 5babb14ee7 [LMCS] Use chroma scaling 2021-06-01 12:17:03 +03:00
Joose Sainio f9de8ebc4f Merge branch 'master' into '4x4-rd' 
# Conflicts:
#   src/encoder.c
#   tests/test_intra.sh
 2021-05-28 11:43:55 +00:00
Marko Viitanen 3516972237 [LMCS] Move LMCS mapping / inverse to the source LCU data 2021-05-18 21:22:22 +03:00
Marko Viitanen 178d62bde3 [LMCS] Move LMCS data structures under the frame 2021-05-12 11:42:34 +03:00
Joose Sainio a998f3ed74 [transform-skip] Convert the HEVC transfrom skip to VVC 
For some reason transform skip uses QP MAX(52, QP) and the coeffs are
no longer shifted
 2021-04-30 10:55:23 +03:00
Joose Sainio e8eab326fb Update context selection to match VVC 2021-04-23 10:51:01 +03:00
Joose Sainio b2076d3b39 Enable chroma scaling 
WIP: user defined scaling array
 2021-03-16 10:31:26 +02:00
Arttu Makinen 7098a94a6f Implemented implicit MTS. 
Added selection of implicit MTS to command parameters.
Updated the transform selection to support implicit MTS.
 2021-02-11 15:11:15 +02:00
Arttu Makinen c5570abe1b Removed 'emt' variable from cu_info_t and changed 'emt' globally to 'mts' for consistency. 2021-02-10 12:08:05 +02:00
Arttu Makinen 2e7c342645 Implemented DCT2, DST7, and DCT8 transforms, and search for selecting transform for MTS. Using MTS results mismatch for luma component. 2021-02-02 11:09:43 +02:00
Marko Viitanen 54b8fd054d Fix Chroma QP scaling issue 2020-10-02 15:40:23 +03:00
Marko Viitanen bddfb47a55 Merge remote-tracking branch 'remotes/kvazaar_github/master' 2020-09-25 11:49:11 +03:00
Ari Lemmetti f31dddc019 Bypass inverse quantization and inverse transform when trying early skip 2020-04-10 16:02:09 +03:00
Ari Lemmetti aa0ade3f65 Cast values to unsigned to make UBSan not trigger due to left-shifting negatives 2020-03-16 19:52:34 +02:00
Ari Lemmetti 800fc8644d Reset CBFs because CBFs might have been set earlier for depth earlier. 2019-08-24 21:49:33 +03:00
Sami Ahovainio 82fb80ab6e Fixed couple of if-clauses which still used the old intra mode range. 2018-09-17 08:56:43 +03:00
Arttu Ylä-Outinen c438bb4a19 Add an option to skip CABAC for residual costs 
Adds command line option --fast-residual-cost=<limit>. When QP is below
the limit, estimates the cost of coding the residual coefficients from
the sum of absolute coefficients. Skipping CABAC is not worth it with
high QPs because there are fewer coefficients so CABAC is not as slow.
 2018-07-16 12:31:20 +03:00
Arttu Ylä-Outinen fb462b25ef Fix transform skip for inter 
The transform skip flag in cu_info_t was stored under the intra
substruct even though transform skip can be used for inter as well. This
caused bitstream errors. Fixed by moving the flag out of the substruct.
 2018-03-20 11:01:33 +02:00
Arttu Ylä-Outinen c74ede148b Fix CBF flags for 4x4 luma blocks 
CBF flags were not being propagated to the upper level from blocks of
size 4x4.
 2018-01-18 10:36:25 +02:00
Arttu Ylä-Outinen 0a69e6d18f Fix selection of transform function for 4x4 blocks 
DST function was returned for inter luma transform blocks of size 4x4
even though they must use DCT. Fixed by checking the prediction mode of
the block in addition to whether it is chroma or luma.
 2018-01-18 10:36:25 +02:00
Ari Lemmetti 14892fda00 Replace simple coefficient cost estimation with CABAC. Substantial improvement. 
Approximation proved to be too inaccurate while not giving actually that much speedup.
 2017-12-10 01:23:48 +02:00
Arttu Ylä-Outinen 95775a1645 Change coefficient storage order 
Changes coefficient storage order to a zig-zag order. Reduces
unnecessary copying of coefficients to temporary arrays.
 2017-05-12 16:46:57 +03:00
Arttu Ylä-Outinen 9395867a9a Quantize all colors in a single traversal 
Changes kvz_quantize_lcu_residual to process all three colors in
a single traversal of the TU tree.
 2017-05-12 16:42:41 +03:00
Arttu Ylä-Outinen 1e58fd6b16 Split kvz_quantize_lcu_residual 
Splits kvz_quantize_lcu_residual to two functions that handle the TU
tree recursion and quantization of a single TU.
 2017-05-12 16:42:41 +03:00