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CHANGES.TXT
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Changes in Version JM 19.0 (since JM 18.6)
------------------------------------------
- Support for levels 6, 6.1 and 6.2
- Unconstrained (exprimental) coding without profile / level checks (set ProfileIdc/LevelIdc to 0)
- Support for reading Green Metadata SEI
- Fix the following bugs:
* 0000330: [encoder and decoder] use of >, >=, <, <= with profile_idc
* 0000348: [decoder] Static buffer overflow in function biari_init_context() on arrays INIT_FLD_MAP_I and INIT_FLD_LAST_I
* 0000345: [decoder] MBAFF loopfilter mismatch with standard
* 0000347: [encoder] "double free" crash in the low-delay mode
Changes in Version JM 18.6 (since JM 18.5)
------------------------------------------
- fix ctxIdxInc derivation of coded_block flag for 4:4:4 and 8x8 transform (bug: 0000300)
- apply patch for deblocking filter compatibility with ARM and DSP platforms from bug 0000328, remove additional cast in encoder
- improve some error messages in rtp_dump and rtp_loss
- fix reordering bug (AT)
- Add Hierarchical Motion Estimation support (YHe/AT)
- Add Distortion Based Reordering (AT)
- Add out of order mode decision that provides alternative biases for skip modes in P slices (AT)
- Additional control for quantization rounding parameters (AT)
- Extension of Low Delay MMCO operations (KA)
- Minor cleanups (AT)
Changes in Version JM 18.5 (since JM 18.4)
------------------------------------------
- fix uninitialized memory access for newly introduced level 5.2 which could result in low performance
- fix crash in 4x4 intra prediction
- fix qmatrix calculation at encoder
- fix size of chroma_vector_adjustment array
Changes in Version JM 18.4 (since JM 18.3)
------------------------------------------
- turn HM like configuration option off by default
- fixed for high bit depth and lossless
Changes in Version JM 18.3 (since JM 18.2)
------------------------------------------
- encoder: allow coding with the same GOP/reference picture settings like HM5 (BiL)
- add HM-like example configurations (BiL)
Changes in Version JM 18.2 (since JM 18.1)
------------------------------------------
- encoder: fix MVC interlace encoder/decoder mismatch (AT/YHe/PeP)
- encoder: reference picture list performance fixes (AT/YHe)
- decoder: fix deblocking filter strength for SP frames (KS/AT)
Changes in Version JM 18.1 (since JM 18.0)
------------------------------------------
- encoder/decoder: Direct Mode updates (YHe/KS)
- encoder/decoder: MVC (Stereo High Profile) Interlace Bug fixes (PeP/YHe)
- encoder: Coding structure updates and bug fixes (AL/AT)
- encoder: On the Fly Interpolation for ME/MC (JlT/AL/AT)
- encoder/decoder: Architecture and various software cleanups and naming conventions (KS/AT)
- encoder/decoder: DPB code updates (AT/PeP)
- decoder: Predictive High 444 bug fixes (KS/AT/JjC/JGG)
Changes in Version JM 18.0 (since JM 17.2)
------------------------------------------
- MVC decoded picture buffer separation (YHe/AT)
- move MVC parameters into a separate config file (KS)
- add MS Visual Studio 2010 work spaces (AT/KS)
- bug fixes (see bug tracker)
Changes in Version JM 17.2 (since JM 17.1)
------------------------------------------
- encoder: fix memory leak for picture based RD-decision (YY)
- rtpdump: fix build in old workspaces (KS)
Changes in Version JM 17.1 (since JM 17.0)
------------------------------------------
- decoder: fix delta_pic_order_cnt[0] in IDR frames (KS, bug #57)
- decoder: Direct mode fixes (YHE)
- encoder/decoder: various cleanups and bug fixes (AT/YHE)
- encoder/decoder: rewrite of deblocking functions (AT)
- decoder : rewrite of intra prediction functions (AT)
- encoder/decoder: MVC bug fixes (PeP/AL)
- encoder/decoder: Frame Packing SEI Message (AL)
- decoder: Minor CABAC updates (AT)
- encoder/decoder: Update work spaces for VS 2008 and XCode with x64 and OPENMP support (KS)
- encoder/decoder: Update Makefiles for OPENMP support (KS)
- encoder: avoid crashes by prohibiting incompatible tool combinations (KS/YHE)
Changes in Version JM 17.0 (since JM 16.2)
------------------------------------------
- encoder: TIFF input support (LZL)
- encoder: Reorganization/Generalization of RDPictureDecision (YY)
- encoder: Weighted Prediction bug fixes (YY)
- encoder: Hierarchical Coding structure bug fixes (AL)
- encoder: Architecture changes/bug fixes for error resilient video coding (ZC, PeP)
- encoder/decoder: Codec architecture reorganization/structure renaming (AT, AL, CV, PeP, YHe)
- encoder/decoder: lossless coding bug fixes to align code with the spec, and various encoder/decoder mismatch bug fixes(LZ/YY)
- encoder/decoder: initial MVC extension, i.e. stereo high profile, support (CL/SWi/TN)
- encoder/decoder: various architectural improvements/bug fixes for stereo high profile support (AT/AL/PeP/YHe)
- encoder/decoder: deblocking filter reorganization/rewrite (AT/YHe/CV)
- decoder: Multislice handling support (YHe)
- encoder/decoder: motion information handling reorganization (AT/YHe)
- encoder/decoder: direct mode handling reorganization/rewrite (YHe/AT)
- encoder/decoder: 4:2:2/4:4:4 profile support bug fixes (YHe)
- encoder/decoder: Interlace handling bug fixes (YHe, AT)
- encoder/decoder: intra prediction process rewrite (AT, CV)
- decoder: Motion Compensation operation rewrite (CV/AT/YHe)
Changes in Version JM 16.2 (since JM 16.1)
------------------------------------------
- encoder: changes necessary for low delay anchor generation (DHo)
see doc/jm16.2_changes.doc for details
- encoder: update encoder.cfg for high performance based on VCEG common coding condition (KS)
Changes in Version JM 16.1 (since JM 16.0)
------------------------------------------
- encoder: check slice group parameter size for slice_group_map_type equal to 2 (KS)
- encoder/decoder: SP/SI bug fixes (YL/AL)
- encoder: Integer distortion cost calculation (YHe/AT)
- encoder: Updated and Improved Sequence/GOP design architecture (AL)
- encoder/decoder: Various cleanups/bugfixes (AT)
- encoder/decoder: Deblocking speedups (AT)
- encoder/decoder: add version information command line switches (KS)
- encoder: NAL unit priority bug fixes (KSw)
- encoder: RDOQ bug fixes (YY)
- encoder: Motion estimation and mode decision bug fixes (YHe/AT)
- decoder: fox cropping for IMGPEL equal to 0 (KS)
Changes in Version JM 16.0 (since JM 15.1)
------------------------------------------
- encoder: Early termination in various distortion computation functions (AT)
- encoder/decoder: Various speed optimizations/restructuring/cleanups (AT)
- encoder/decoder: removal of almost all global variables (AT)
- encoder/decoder: Severe restructuring and merging of Various encoder and decoder functions in lcommon (AT)
- decoder: Deblocking bug fix in the presence of errors (TB/AT)
- encoder: Rate Control Improvements/Reentrancy (AL)
- encoder: RDOQ/Mode decision bug fixes (YY)
- encoder: Motion Estimation/Mode decision bug fixes (YHe)
- encoder: Motion Estimation reorganization/cleanups (AT)
- encoder/decoder: doxygen cleanups (YHe/AT)
- encoder/decoder: add workspaces for Visual Studio 2009 (Windows) and Xcode (MacOS)
Changes in Version JM 15.1 (since JM 15.0)
------------------------------------------
- encoder/decoder: Redundant picture bug fixes (KS)
- encoder: fix config limit type for IntraProfile (KS, bug id #153)
- decoder: fix copy and paste bug in pps_is_equal() (KS, bug id #157)
- decoder: cleanups to intra prediction functions (AT)
- decoder: 4:4:4 bug fix (AT)
- encoder/decoder: Various bug fixes/cleanups (AT/KS)
Changes in Version JM 15.0 (since JM 14.2)
------------------------------------------
- encoder: Various bug fixes relating to MBAFF and High 444P profile (EM)
- encoder: Adaptive Rounding reorganization and bug fixes(EM)
- encoder: Motion Estimation reorganization (AT)
- encoder: Various bugfixes related to 8x8 transform and submacroblock partitions (AT)
- encoder: Extension to support VLC codes > 32 bits (AL)
- encoder: RC bug fixes (ASe)
- encoder: SEI/AU support & cleanups (AL)
- encoder: Various bug fixes and cleanups, including bipred ME (AT)
- encoder: Weighted Prediction offset computation using Motion Compensation (PC, MK, YY)
- encoder: support of explicit sequence information functionality (AT/KS)
- encoder: support of separate & interleaved raw video files (AT)
- encoder: don't allow GenerateMultiplePPS in baseline profile (KS)
- encoder: encoder support of some ANNEX A level limits (AT/KS)
- encoder/decoder: Lossless encoding bug fixes (AT)
- encoder/decoder: memory alloc/free speedups (AT)
- encoder/decoder: VLC speedups (JaB/AT)
- encoder/decoder: don't access uninitialized memory in cabac.c (PL/KS)
- encoder/decoder: various cleanups and bug fixes (KS/AT)
- decoder: Support for 64 bit bitstream I/O (AT/KS)
- decoder: Severe code reorganization and various bug fixes, some relating to High 444P (AT)
Changes in Version JM 14.2 (since JM 14.1)
------------------------------------------
- encoder: fix cabac_zero_word calculation (KS)
- encoder: bipredictive ME bug fixes (EM/AT)
- encoder: MBAFF qp bug fix (AT)
- encoder: Statistics collection rewrite (AT)
- encoder: RDOQ CAVLC support & improvements (PC/YY/MK/LL/AT)
- encoder: fix range of DFDisable* parameters (KS)
- decoder: Fix copy and paste error in sei.c (KS)
- decoder: Fix syntax of full frame freeze SEI message (KS)
- encoder/decoder: convert time measurement system calls to be more consistent and don't use "obsolete" functions (KS)
Changes in Version JM 14.1 (since JM 14.0)
------------------------------------------
- encoder: fixes in lossless coding (KHH)
- encoder: Improved MC precision using Reordering & Weighed Prediction (AL, AT)
- encoder: Weighted Prediction Extensions (AT, AL)
- encoder: MS-SSIM distortion computation (PeP)
- encoder: Rewrite of Error Resilient RDO (PeP/AT)
- encoder: SSIM distortion computation (ZHL/WK/AT)
- encoder: RGB color space distortion computation (WK/AT)
- encoder: Distortion/Statistics functionality cleanups (AT/WK)
- encoder: RDOQ and Quantization cleanups (LL/AT)
- encoder: RC cleanups (AT)
- encoder: Adaptive Rounding Support for Low Complexity RDO (EM)
- encoder: Multipass RD coding bug fix for PicAFF (AL)
- decoder: Motion vector limit checking (LlL)
- encoder/decoder: Various code optimizations (AT)
- encoder/decoder: Various cleanups /reorganizations (AT)
- decoder: SP/SI slice decoder fixes (AT)
- encoder: fix 4:0:0 encoder bit depth initialization (KS)
- encoder: use SPS id parameter in GenerateSequenceParameterSet (KS)
- encoder: fix number of bits calculation for pic aff with slices/DP (CS)
Changes in Version JM 14.0 (since JM 13.2)
------------------------------------------
- encoder: Bipredictive ME bug fixes (AT)
- encoder: Intra mode decision reorganization (LL/AT)
- encoder: Quantization/transform process reorganization (AT)
- encoder: Trellis based quantization (VCEG-AH21) (PC/YY/MK/LL/AT)
- encoder: WP Cleanups (AT)
- encoder: Lossless Coding Cleanups / Bug fixes (AT)
- encoder: Profile/Level Conformance code cleanups (AT)
- encoder: fix trace file for data partitioning (KS)
- encoder: fix encoding for picture aff (KS)
- encoder: fix memory allocations with num_ref_frames=0 (KS)
- encoder: fix rate control config error message (AL)
- encoder: fix 4:2:2 chroma transform (KS)
- encoder: fix 4:2:2 chroma scaling matrices (SSe)
- encoder: improve profile restrictions (KS)
- decoder: fix 4:2:2 decoding (SWi)
- decoder: allow intra-only deblocking filter configuration in decoder.cfg (KS)
- decoder: add quantizer initialization for data partitioning (PL)
- encoder/decoder: memory assignment reorganization (AT)
- encoder/decoder: deblocking cleanups (AT)
Changes in Version JM 13.2 (since JM 13.1)
------------------------------------------
- encoder: 4:4:4 chroma mismatch fix (4x4 intra) (KS)
- encoder: 4:2:2 chroma mismatch fix (THi)
- encoder: fixes for negative QP (AT)
- encoder: fix trace file and average qp calculation for slices with fixed byte size (AL)
- encoder/decoder: various 4:4:4 fixes (HY)
- decoder: fix temporal direct mode (KS)
- decoder: implement I_PCM for more than 8bpp (KS)
Changes in Version JM 13.1 (since JM 13.0)
------------------------------------------
- encoder: 4:4:4 performance fix (4x4 intra) (KS)
- encoder: always use ChromaMEEnable for 4:4:4 common mode (KS)
- encoder: 4:2:2 transform fix (AT)
- decoder: fix slice_group_id allocation (KS)
- encoder/decoder: fix inline functions for compilers without c99 support (KS)
- encoder/decoder: makefile updates (LW/KS)
- encoder/decoder: 4:0:0 fixes (KS)
- encoder/decoder: further cleanups (AT/KS)
Changes in Version JM 13.0 (since JM 12.4)
------------------------------------------
Professional Profiles:
- encoder/decoder: 4:4:4 combined color coding mode
- encoder/decoder: lossless coding
- encoder/decoder: remove MS Visual Studio 6 workspaces (KS)
- encoder/decoder: various optimizations (AT/AL)
- encoder/decoder: fix mbuffer.c copy and paste error (KS)
- decoder: allow loss of single partitions (DA/KS)
Note: some loss pattern will require usage of RTP file.
- decoder: indicate wrong emulation prevention (ZH)
- decoder: make memory allocation for slice_group_id dynamic (KS)
- add simple tool for pseudo-random RTP packet loss (KS)
Changes in Version JM 12.4 (since JM 12.3)
------------------------------------------
Professional Profiles:
- encoder/decoder: 4:4:4 independent mode quantization matrix bug fix (SSe)
- encoder: 4:4:4 independent config file update (SSe)
Changes in Version JM 12.3 (since JM 12.2)
------------------------------------------
Professional Profiles:
- encoder/decoder: 4:4:4 independent mode (SSe)
- encoder/decoder: add top level Makefile (LW)
- encoder: initialize lprc->AveWb (AL)
- encoder: restrict pel values in simulated decoder (CS)
- encoder: closed IDR GOP support (AT)
- encoder: delayed IDR GOP support (AT)
- encoder: rate control extension for adaptive rounding (AT)
- encoder: chroma ME bug fix (AT)
- encoder: RC bug fixes (AL)
- encoder: top/bottom field slice type decoder output consideration (AT)
- encoder: adjustments to frame_num consideration (AL/AT)
- encoder: removal of secondGOP concept (AT)
Changes in Version JM 12.2 (since JM 12.1)
------------------------------------------
Professional Profiles:
- encoder: 420/422 intra only coding (SWi)
- encoder/decoder: post-filter hint SEI (SWi)
- encoder/decoder: tone-mapping SEI (ASe)
- encoder/decoder: cleanup and speed improvements (AT/AL)
- encoder/decoder: deblocking filter speedup (AT)
- encoder/decoder: CAVLC entropy coder speedup (AT)
- encoder/decoder: CABAC arithmetical coder speedup [JVT-U084] (GM/DM/KS)
- encoder: VUI support (AL)
- encoder: further rate control fixes (AL)
- encoder: add error checks for slice group config files (KS)
- encoder: fix I_PCM encoding with CABAC (KS)
- decoder: Motion Compensation speedup (AT)
Changes in Version JM 12.1 (since JM 12.0)
------------------------------------------
- encoder: fix example configuration files (KS/AT)
- encoder: make direct_8x8_inference_flag=1 default (KS)
- decoder: fix compilation with trace enabled (KS)
- encoder/decoder: fix for shift_right_round functions on 64-bit machines (AT)
- encoder/decoder: predict_nnz functions (YDh)
- encoder/decoder: cleanups (KS/AT/AL)
Changes in Version JM 12.0 (since JM 11.0)
------------------------------------------
- encoder: Context Adaptive Lagrange Multiplier [JVT-T046] (JZ)
- encoder: Severe Rate Control reorganization and debugging. Support for interlace coding modes and hierarchical/multi-pass encoding (AL/AT)
- encoder: Lagrangian Cleanups based on "layered" motion estimation (YD/AT)
- encoder: reorganization/unification of motion estimation and compensation functions (AL/AT)
- encoder: Revised Luma/Chroma interpolation (AL/AT)
- encoder: Chroma motion estimation consideration (AL/AT)
- encoder: Separation of intra chroma mode decision and RDO (AL/AT)
- encoder: split up macroblock mode decision (AT)
- encoder: Bug correction relating to 64bit type statistics output (AT)
- encoder: Simple "text" SEI message generation and basic support for VUI parameters (to be extended) (AT)
- encoder: reorganization of adaptive quantization and support of 4:2:2 and 4:4:4 formats (AT)
- encoder: resolved 8x8 intra prediction + MB-AFF bug (AT)
- encoder: resolved illegal WP value vs Eq.8-294 bug (AT)
- encoder: subpel EPZS bug resolutions and addition of bipredictive subpel EPZS (AT)
- encoder: resolve bug with IDR pictures + RDPictureDecision (AT)
- encoder: fix SP/SI memory leaks (AT)
- encoder: bidirectional search for simplified fast ME (BY)
- encoder: fix start code prefix length (SN)
- decoder: update of decoder input parameters (AT)
- encoder: fix incorrect usage of 8x8 transform with direct mode and non-rd-opt coding (DH)
- encoder: fix wrong pointer dereferences (KS/SH)
- encoder: fix SP/SI file i/o issue (ES)
- encoder: allocate less stream buffer memory for slice modes 1 and 2 (KS)
- encoder: fix bit statistics for slice mode 2 (enricomasala)
- decoder: trace file format cleanup (KS)
- decoder: fix psnr calculation for field with IDR (SN)
- decoder: error concealment - conceal intra blocks from decoded blocks first (KS)
- decoder: decoder cleanups and optimizations (AT/KS)
- encoder/decoder: various small code cleanups (AT)
- encoder/decoder: correction of fix for predict_nnz with constrained intra and data partitioning (CK/KS)
- encoder/decoder: fix memory leaks mostly in error paths (KS)
- encoder/decoder: add MS Visual Studio 2005 project files (KS)
Changes in Version JM 11.0 (since JM 10.2)
------------------------------------------
- encoder: FME updated [JVT-R085 and JVT-Q088] (XX)
- encoder: I_PCM support for CABAC (SL)
- encoder: fix crash with large number of frames (AT)
- encoder: disable writing if no yuv output file is specified (AT)
- encoder: disallow POC reorder with field coding (AT)
- encoder: rename Pyramid->Hierarchy (AT/KS)
- encoder: remove remainings of former redundant slice implementation (KS)
- encoder: fix IPCM encoding with rate control (AT/HZ)
- encoder: Intra 8x8 prediction mode write cleanup (KS)
- encoder: Avoid I_PCM trace data during rdopt (KS)
- encoder: LA-RDO bug fix (CZ)
- encoder: disallow DP+CABAC (KS)
- encoder: SP pictures cannot be IDR (KS)
- encoder: fix overwritten line buffer in fast ME (KS)
- encoder: allow picture frame/field encoding of non-reference pictures when DPB is full of reference pictures (AT)
- encoder: enable EPZSSubPelME (AT)
- decoder: start decoding after recovery point SEI (BL) [JVT-R017]
- decoder: remove size restriction when parsing reserved SEI (KS/MW)
- decoder: fix weighted prediction initializations (AT)
- decoder: fix Motion-constrained slice group set SEI message reading (AT)
- decoder: fix dec_picture->slice_id memory leak (KS)
- decoder: fix SEI MMCO list free (RB)
- decoder: make vlc tables static const (SF)
- decoder: fix for poc_order_cnt_type=2 (JXi)
- decoder: fix field combine/split for different reference picture size per slice (KS/AT)
- encoder/decoder: Redundant picture for error resilience [JVT-R058] (CZ)
- encoder/decoder: don't write empty DP NALUs and handle this at the decoder (KS)
- encoder/decoder: fix predict_nnz for constrained intra and data partitioning (SMy/KS)
- encoder/decoder: fix cabac context initilization (DM)
- encoder/decoder: fix various chroma bitdepth related issues (KS/YC)
Changes in Version JM 10.2 (since JM 10.1)
------------------------------------------
- encoder: fast subpixel motion estimation for EPZS [JVT-Q079] (AT)
- encoder: SI picture implementation (ES)
- encoder: lossless coding fixes (SSu)
- encoder: add warning for bit/mb limit (AT)
- encoder: enable I_PCM (for VLC coding) by default (KS)
- encoder: fix non-rd-optimized mode decision (AT)
- encoder: fix memory allocation in search module (TP)
- encoder: fix bitrate output (PP)
- encoder: fix data partitioning with constrained intra prediction (KS)
- encoder: fix bidirectional prediction with RDOpt=2 (AT)
- encoder: fix MBAFF with constrained intra prediction (KS)
- encoder: fix MBAFF with slice mode 2 and restrict slice mode 1 (KS)
- decoder: SI/SP picture updates (ES)
- decoder: add check for QP range (MT)
- decoder: fix/add SEI parsing: pan/scan, timing, stereo, deblocking filter, film grain (MT)
- decoder: fix dummy croma component output for bit depth > 8 (KS)
- decoder: work around problems in error concealment (KS)
- decoder: fix idr psnr output (SB)
- encoder/decoder: update RTP format (SW)
Changes in Version JM 10.1 (since JM 10.0)
------------------------------------------
- encoder/decoder: apply chroma motion vector adjustment only for 4:2:0 (SZ/KS)
- encoder: write vlc run if last mb is skipped ()
Changes in Version JM 10.0 (since JM 9.8)
-----------------------------------------
- encoder: simplified UMHexagonS fast motion estimation [JVT-P021] (XY)
- encoder: EPZS fast motion estimation [JVT-P026] (AT)
- encoder: fix reference picture reordering problem (AT)
- encoder: disallow (log2_max_frame_num_minus4 == 0 && input->num_ref_frames == 16) (AT)
- decoder: error concealment for lost pictures [JVT-P072] (SB)
- decoder: fix long-term reference picture reordering problem (KS)
- decoder: allow differing nal_ref_idc (!=0) in same AU (JSa)
- fix example config files (KS)
Changes for Version JM 9.8 to JM 9.7
------------------------------------
- encoder/decoder: fix monochrome pred_weight_table syntax (MT)
- encoder/decoder: fix cropping_flag usage (KS)
- encoder: fix frame_num for reference B pictures (AT)
Changes for Version JM 9.7 to JM 9.6
------------------------------------
- encoder: revert zero motion vector change in low complexity mode (YH)
- encoder: fix 4:2:2 encoding (KS)
- encoder: fix mb_qp_delta CABAC context selection (KS)
- encoder: weighted prediction fix
- encoder: fix frame_poc setting (AS)
- decoder: fix direct mode rare case problem (AS)
- decoder: fix pic_struct parsing in timing SEI
- decoder: fix parsing of filler data SEI
- encoder/decoder: fix deblocking filter strength calculation for negative POC (AS/KS)
- encoder/decoder: fix frame_poc setting (AS)
- encoder/decoder: fix SE_TRANSFORM_SIZE usage (KS)
- encoder: updates to explicit hierarchical coding and picture coding structures (AT)
- encoder: update/enhance control of log2_max_pic_order_cnt_lsb_minus4 and log2_max_frame_num_minus4 (AT)
- encoder: addition of computation of Sequence Level PSNR statistics (AT)
- encoder: fix frame_num setting for pyramid coding (AT)
- encoder/decoder: fix invalid line in deblocking filter (PL)
Changes for Version JM 9.6 to JM 9.5
------------------------------------
- encoder: FME fixes (WF)
- encoder: fixes for I_PCM and encoder output (SN)
- encoder: fix rounding for CABAC stuffing
- encoder: lossless mode fixes (WK)
- encoder: increase maximum slice size (WK/KS)
- add platform specific notes to readme.txt
Changes for Version JM 9.5 to JM 9.4
------------------------------------
- encoder: open GOP support (AT)
- encoder: I_PCM encoding/decoding for CAVLC (AT)
- encoder: I_PCM decoding for non-4:2:0 and CAVLC >8bit (AT)
- encoder: fix encoder/decoder mismatch for non-rd-opt coding (AT)
- encoder: fix crash with bi-predictive search (AT)
- encoder: further speed optimization (AT)
- encoder: fix mismatch in low complexity mode (YH/AT)
- encoder: fix zero motion vector in low complexity mode (YH)
- encoder: fix 8:9:9 bit support (WK)
- encoder: FME improvements (WF)
- encoder/decoder: fix RCT Cb/Cr order (WK)
Changes for Version JM 9.4 to JM 9.3
------------------------------------
- encoder: fast mode implementation (BJ)
- encoder: FME update (WF)
- encoder: adaptive quantization rounding offset (GS/SSu/AT)
- encoder: restructure encode_one_macroblock (AT)
- encoder: weighted prediction fix (AT)
- encoder: fix reported bit rate with LastFrameNumber parameter (AT)
- encoder: fix cost initialization for Transform8x8Mode=2 (SeS)
- encoder: restrict motion vector size (AT)
- encoder: fix rate control/non-rd-opt mismatch (AT)
- encoder: cleanups (AT)
- encoder: remove memory leak and clean up PPS usage (KS)
- encoder: fix CABAC zero word calculation (KS)
- decoder: fix POC mode 0 calculation (XI)
- decoder: fix timing SEI parsing (IP)
- decoder: fix dangling field output (KS)
- decoder: fix VLC trace output (MT)
- encoder/decoder: large performance and memory usage improvements (AT/KS)
- encoder/decoder: fix CABAC CBP_block_bit (VG)
- encoder/decoder: clean up and fix usage of skip_flag (KS/AM)
- encoder/decoder: implement lossless coding for non 4:4:4 cases (SSu)
Changes for Version JM 9.3 to JM 9.2
------------------------------------
- encoder: Bi predictive ME (AT)
- encoder: encoder parameter tuning (AT)
- encoder: fix allocation in error concealment (SM)
- encoder: fix allocation in pyramid code (AT)
- encoder: fix qp_const_422 assignment (SKa)
- encoder: fix padding for automatically added borders (SKa)
- encoder: support multiple PPS (AT)
- encoder: picture RD-decision (AT)
- encoder: rate-control fix (SM)
- encoder: restrict num_ref_frames to MaxDpbSize (ZH/KS)
- encoder: allocate rate control memory depending on frame size (KS)
- decoder: open trace file only once (AT)
- decoder: remove duplicate initialization of error states (MA)
- decoder: fix timing SEI parsing (PW/KS)
- decoder: fix CABAC SI context selection (DM/KS)
- encoder/decoder: fix neighboring of TotalCoeff in CAVLC (KS/WC)
- encoder/decoder: fix PSNR calculation if cropping is enabled (KS)
Changes for Version JM 9.2 to JM 9.1
------------------------------------
- encoder: fix possible integer overflow in quantization offsets (SN/AT)
- encoder: fix I_PCM trace (SN)
- encoder: restructure code (KS)
- unixprep.sh: also convert config files (KS)
Changes for Version JM 9.1 to JM 9.0
------------------------------------
- encoder: RCT: Enabling inter mode selection (WK)
- encoder: RCT: Correcting I16 mode selection (WK)
- encoder: fix YUV header seek problem (PL)
- encoder: reduce memory usage (KS)
- encoder: remove assert in RC (KS)
- encoder: fix qpBSoffset usage (AT)
- encoder: fix stored B-pictures (KS)
- encoder: fix qp change (AT)
- encoder: fix direct mode selection (KS)
- encoder: fix wrong memory allocation in FastME code (KS)
- encoder: fix IDR encoding (LP/SKa/AT)
- encoder: fix QMatrix config file reading (KS)
- encoder: automatically add borders for picture sizes that are not multiple of 16 (KS)
- encoder: default config parameter initialization (AT)
- encoder: add checks for minimum and maximun values for each config parameter (AT)
- encoder: support for explicit lagrangian parameters (AT)
- encoder: support for explicit rounding offset parameters (AT)
- decoder: allow 4:2:0 file format for monochrome streams (LW/KS)
- decoder: fix VLC coeff reading (WZ)
- decoder: fix second chroma qp offset (TS/KS)
- decoder: fix VUI syntax (SK)
- decoder: new command line interface (AT)
- encoder/decoder: RCT: Correcting lossless coding/decoding (WK)
- encoder/decoder: fix file reading/writing for non-Intel architectures (KS)
- encoder/decoder: Fix YUV 4:0:0 output (SG)
- encoder/decoder: Fix prediction weight calculations (AT)
Changes for Version JM 9.0 to JM 8.6
------------------------------------
New Features:
- import FRExt branch (KS)
- encoder: pyramid encoding structure (AT)
- encoder/decoder: YUV 4:0:0 support (VG)
- encoder: thresholding control (AT)
Fixes/Upates:
- encoder: clean up includes (KS)
- encoder: increase maximum file name length (KS)
- encoder: fix failed merge of temporal direct fix (LP)
- encoder: fix RCT enc/dec mismatch (WK)
- encoder: fix for CAVLC neighbouring total coeff (for RDopt) (SN)
- encoder: fix for CAVLC level limit for small QP (SN)
- encoder: fix memory leaks (CS/KS)
- encoder: disallow RDOptimazation=2 (KS)
- encoder: improve parameter names(AT)
- encoder: fix rate control diff calculation (SM)
- decoder: fix QP output (AT)
- decoder: fix paired field output for increased bit depth (KS)
- decoder: fix img->quad allocation (KS)
- decoder: fix RGB file output (KS)
- decoder: don't crash on PicTiming SEI when no SPS is active (KS)
- encoder/decoder: fix gcc compiler warnings (KS)
- encoder/decoder: fix inverse DC transform (WZ/KS)
- encoder/decoder: reduce memory usage by making imgpel "unsinged short" (KS)
Changes for Version JM 8.6 to JM 8.5
------------------------------------
- encoder: fix command line checking order (KS)
- encoder: fix coded_frame flag (KS)
- encoder: fix skip mode mb pair problem (KS)
- decoder: fix macroblock counter (KS)
- decoder: fix output field pairing (KS)
- decoder: fix POC previous frame num on MMCO=5(BH)
- decoder: fix max num ref frames in poc cycle
- decoder: allow Annex B leading_zero_8bits and trailing_zero_8bits (ZH)
- decoder: fix SI decoding (MWa)
- encoder/decoder: fix dpb size (KS)
- encoder/decoder: hopefully work around VS compiler optimization bug (KS)
- encoder/decoder: remove a number of gcc warnings (KS)
Changes for Version JM 8.5 to JM 8.4
------------------------------------
- encoder: fix wrong direct mode selection for non-rd-optimized encoding (KS)
- decoder: fix RPLR (KS)
- encoder: fix rate-control for non-rd-optimized encoding (SM/KS)
- encoder: fix POC mode 1 for stored B pictures (KS)
- encoder: fix MB AFF encoder/decoder mismatch (KS)
- encoder: fix list 1 reference index selection (SN)
- encoder: fix IDR pictures and wrapping around frame_num (TK/KS)
- encoder: fix log2_max_frame_num_minus4 and log2_max_pic_order_cnt_lsb_minus4 (AT)
- encoder/decoder: align chroma sample interpolation to standard text (no real bug, only cleanup) (ZH/KS)
Changes for Version JM 8.4 to JM 8.3
------------------------------------
- encoder: fix encoder merge bug (AT)
- encoder: count parameter set bits (AT)
- decoder: spatial direct long-term support (KS)
- decoder: fix colocation problem (KS)
- decoder: fix SPS/PPS changes (KS)
- decoder: fix reordering with multiple slices (KS)
- decoder: allow paired output of unpaired fields (KS)
- decoder: fix POC on MMCO=5 (KS)
- decoder: fix picture unmarking problem (KS)
- decoder: SPS activation on buffering SEI (KS)
- decoder: weighted prediction typo (AT)
- decoder: fix CeilLog2 function (KS)
Changes for Version JM 8.3 to JM 8.2
------------------------------------
- encoder: fast motion estimation fixes und cleanup (WF)
- decoder: fix for SP decoding (ES)
- encoder/decoder: direct mode cleanup and fixes (AT)
- decoder: POC cleanup and fixes (AT)
- encoder: set log2_max_frame_num_minus4 dynamically (AT)
- decoder: fix dangling fields (KS)
- encoder/decoder: fix mismatch in B-pictures with RDOptimization=0 (KS)
- encoder/decoder: fix redundant_pic_cnt syntax element type (KS)
- encoder: fix num_slice_groups_minus1>0 bug (KS)
- decoder: fix field mmco bugs and (KS)
- decoder: fix initial reference picture list generation with long-term pictures (KS)
- decoder: fix new picture detection (KS)
- decoder: fix weighted prediction (KS/AS)
- encoder/decoder: fix max PPS id (KS)
- decoder: remove redundant variables (KS)
- decoder: re-enable non-normative error concealment for non mb-aff (KS/THi)
- decoder: several smaller fixes (KS)
Changes for Version JM 8.2 to JM 8.1a
-------------------------------------
- encoder: merge FMO (DW)
- encoder/decoder: add error/warning if DPB size is zero at specified level (KS)
- fix unixprep.sh script for Solaris /bin/sh (DD)
Changes for Version JM 8.1a to JM 8.1
-------------------------------------
- encoder/decoder: fix bug in constrained intra prediction fix (KS)
- encoder/decoder: fix version number typo (KS)
Changes for Version JM 8.1 to JM 8.0
------------------------------------
- decoder: fix I_PCM decoding for field macroblocks (AS)
- encoder: rate control fix (SM)
- encoder/decoder: fix max DPB size for level 5.0 (KS)
- encoder/decoder: fix constrained intra prediction left neighbour (KS)
- decoder: fix crash on SPS activation in SEI (KS)
- encoder/decoder: documentation updates / remove encodeiff.h (KS)
- encoder: add basic profile checks (KS)
Changes for Version JM 8.0 to JM 7.6
------------------------------------
- encoder/decoder: SP filter strength (KS)
- decoder: fix decoder snr calculation for streams that contain idr pictures (AT)
- decoder: increase NAL unit buffer size (KS)
- encoder: further statistics fixes (AW)
- encoder: fix wrong LumaPrediction4x4 call (AW)
- encoder: fix reference index writing for MB AFF with one reference frame (AW)
- decoder: fix bottom field first decoding (KS)
- encoder: add profile and level idc to config file (KS)
- encoder/decoder: determine DPB size depending on level (KS)
- encoder/deocder: fix field pairing (KS)
- encoder/deocder: fix memory allocation for reference picture list (KS)
- encoder: decrease list0 size for b slices (KS)
- encoder: make FME a config file option (TK)
- encoder: add -h help option (AT)
- encoder/decoder: fix writing of unpaired field (ZY)
- decoder: fix currMB calculation in i_pcm reading (ZY)
- decoder: set ref_pic_num for each slice (KS/AS)
- decoder: disable deblocking filter P_SLICE simplifications (KS/AS)
- decoder: "hack fix" for direct mode decoding (AT)
Changes for Version JM7.6 to JM 7.5c
------------------------------------
- encoder/decoder: temporal direct loop index fix (RV/AT/KS)
- encoder: fix memory leak (AT)
- decoder: reset the wp_offset for the implicit mode (AT)
- encoder: temporary fix for slice mode 2, Won't work with FMO (PK)
- decoder: don't reset poc of other field (OD)
- decoder: fix bw_ref_idx (AT)
- encoder/decoder: fix long_term initialization (JK)
- encoder/decoder: fix pic_num / frame_num_wrap initialization for intra sclices (JK)
- encoder/decoder: datapartition fixed (ZL)
- encoder: fix stored B pictures (AT)
- encoder: small mbuffer.c fixes (AT)
- encoder/decoder: add Visual Studio .NET workspaces (KS)
- encoder: fix random intra blocks (TSh)
- encoder: fix statistics (KS)
- encoder: fix mb delta qp CABAC context selection (KS/AT)
- encoder: Rate control fixes (SM)
- encoder/decoder: fix initial reference picture list generation for long term pictures (RV)
- encoder/decoder: fix no_output_of_prior_pics_flag handling (KS)
- encoder: FAST_ME fixes (JX)
Changes for Version JM7.5c to JM 7.5b
-------------------------------------
- encoder: add DirectInference parameter (AT)
- encoder: generate interlaced representation, only if interlaced encoding mode (AT/KS)
- encoder: fix picture aff psnr calculation (AT)
- encoder: weighted prediction fix (AT)
- decoder: small direct mode fix (AT)
- encoder/decoder: reference index fix in generation of field representation (AS)
- encoder/decoder: fix CurrPicNum for field calculation (KS)
- encoder: fix CABAC contexts for cbp and skip flag / mb aff (VG/KS)
- encoder: fix invalid usage of 8x8 temporal direct mode (KS)
- decoder: fix field psnr calculation (KS)
- encoder: don't try to output reconstructed sequence, if no file specified (AT)
- encoder: clean exit if input file reading fails (AT)
- encoder: initialize POC before initializing parameter sets (KS)
- encoder: fix POC mode 1 (KS)
- decoder: rename POC mode 1 variables to match text (KS)
- encoder/decoder: fix bottom field access in is_short_term_reference()
and is_long_term_reference() (ML)
Changes for Version JM7.5b to JM 7.5a
-------------------------------------
Bug fixes
- encoder: b-frame performance fix (KS)
- encoder: CABAC context selection fix (KS)
- encoder: fix typo in rd-opt labda calculation (AT)
- encoder: weighted prediction updates (AT)
- encoder: fix wrong reference index if NumberReferenceFrames=1 (KS)
- encoder: add IDR picture selection parameter (AT)
Changes for Version JM7.5a to JM 7.5
------------------------------------
Bug fixes
- encoder: fix direct mode coding (KS/AT)
- encoder: reenable old rd-opt labda calculation (KS/AT)
Changes for Version JM7.5 to JM 7.4
-----------------------------------
Bug fixes
- decoder: SEI parsing (JC)
- encoder: merge deblocking filter from decoder (KS)
- encoder: merge dpb fixes from decoder (KS)
- encoder: rewrite most of MB AFF handling,
support list_0 and list_1 properly, etc. (KS)
- encoder/decoder: fix first_mb_in_slice for mb aff (KS)
- encoder/decoder: deblocking filter with multiple slices (KS)
Changes for Version JM7.4 to JM 7.3
-----------------------------------
Bug fixes
- decoder: lt.ref. pic handling with sliding window (AF)
- decoder: fix CABAC parsing bug for skip_flag (KS)
- decoder: gaps in frame_num (DT)
- decoder: error message, if direct mode fails (BH)
- decoder: fix long term reference pictures (KS)
- decoder: deblocking filter for picture aff (PN)
- decoder: long term picture handling/MMCO (AF/KS)
- decoder: chroma QP offset (JS)
- decoder: frame cropping support (KS)
- decoder: deblocking filter fix (SY, others)
New features:
- decoder: I_PCM macroblock mode for VLC (DW)
- decoder: I_PCM macroblock mode for CABAC (DW)
- encoder: fast motion estimation
- encoder: rate control
Changes for Version JM7.3 to JM 7.2
-----------------------------------
Bug fixes
- encoder: DPB for field coding (SM)
- encoder: Spatial direct mode (SM)
- decoder: POC mode 2 with multiple slices (BH)
- decoder: data partitioning (has known problem in CAVLC/CABAC parsing when
constrained intra an dp are used)
- both : reference picture list generation
- both : doxygen documentation generation fixes (KS)
Changes for Encoder Version JM7.2 to JM 6.2
--------------------------------------------
Bug fixes
- DPB correlated things, such as motion search etc.(KS,SM)
- Direct mode(SM)
Changes for Decoder Version JM 7.2 to JM 7.1
--------------------------------------------
Bug fixes
- deblocking filter reference pictures (LK)
- small POC fixes (KS)
Cleanup
- remove JVT-F100 syntax support (KS)
Changes for Decoder Version JM 7.1 to JM 7.0
--------------------------------------------
Bug fixes
- loop filter (KS)
- weighted prediction (KS)
- reference list generation (KS)
- 8x8 direct modes (AT)
- constrained intra prediction (KS)
Changes for Decoder Version JM 7.0 to JM 6.2
--------------------------------------------
Bug fixes
- POC updates (BH)
- CABAC dqant and red_idx_lx contexts (KS)
- small cleanups and other fixes
Other
- removed common directory, put a copy of these file in each
encoder and decoder
Changes for Version JM 6.2 to JM 6.1b
--------------------------------------
Note: This is a decoder only release. Encoding is broken.
Bug fixes
- rewrote DPB (KS)
- rewrote most of MB AFF handling (KS)
- direct mode updates (AT)
- many other cleanups and fixes (various poeple)
Changes for Version JM 6.1b to JM 6.1a
--------------------------------------
Bug fixes
* FMO decoding (KS)
* fix motion vector predictor (HS/KS)
* intra prediction mode selection (KS)
* SPS Syntax update frame_height_in_mb -> pic_height_in_mb (KS)
* fix memory leak (KSa)
Changes for Version JM 6.1a to JM 6.1
-------------------------------------
Bug fixes
* VLC 0 sign bit (AJ)
* Correct rounding (AJ)
* Chroma intra pred mode order (AJ/KS)
* Loop filter chroma QP mapping (RaS)
* Fix memory leaks (KS)
* MB AFF fixes (HS)
* CABAC text alignment (HS)
* frame_num modulo (KS)
* intra pred allowed mode fixes (HS/KS)
Cleanups
* remove strange postfilter arrays from decoder (KS)
* remove duplicte decoder frame types (_1 and _MULT) (KS)
* clean up vlc writing (KS)
Changes for Version JM 6.1 to JM 6.0a
-------------------------------------
New features
* SEI decoding reenabled and new messages added (KS)
* Weighted Prediction Updates (JB)
* POC updated (DT)
* CABAC slice initializations (HS)
Bug fixes
* fix mb aff again (KS)
Cleanups
* remove many gcc warnings (KS)
* remove unused code (KS)
* clean up VLC reading (KS)
* allocate less memory (YW)
Changes for Version JM 6.0a to JM 6.0
-------------------------------------
New features
* chroma loop filter update (CG)
Bug fixes
* fix overflowing buffer for large image formats (PW/KS)
* fix large memory leak (KS)
* slice coding (RaS)
* fix bit statistics (KS)
* call EBSPtoRBSP at the decoder (TS/KS)
Cleanups
* remove some of the gcc warnings and old files (KS)
Changes for Version JM 6.0 to JM 5.0h-suehring
----------------------------------------------
New features
* post-Awaji slice header and parameter sets (except POC) (KS)
Removed features
* ABT (KS)
Bug fixes
* AFF (picture and mb) (KS)
* Slice parsing with CAVLC (KS)
* CABAC byte alignment (KS)
* lots of stuff I can't remember in detail (KS)
Cleanups
* lots of stuff I can't remember in detail (KS)
Known problems
* slices have still encoder mismatch (looks like motion vector prediction)
* FMO not tested, but probably won't work
* SEI disabled (needs update to NAL units)
* weighted prediction implementation in JM 5.0g unfinished
* Error concealment disabled (needs new triggers)
* DP (???)
* I haven't merged any patches, I received since December
Changes for Version JM 5.0h-suehring to JM 5.0g
-----------------------------------------------
New features
* Sequence and Picture Parameter Sets
* writes Annex B bytestream and RTP packets
Changes for Version JM 5.0g to JM 5.0f
--------------------------------------
New features
* Changes for Weigthed Prediction (JB)
Note: This version seems to have severe performance problems
Changes for Version JM 5.0f to JM 5.0e
--------------------------------------
New features
* Reducing Pixel Dependencies for Intra-Prediction (JVT-E111) (GrC)
Changes for Version JM 5.0e to JM 5.0d
--------------------------------------
New features
* alternate scan for aff coding
Changes for Version JM 5.0d to JM 5.0c
--------------------------------------
New features
* added POC - for implementation details see changes_detail.txt (BH)
Bug Fixes
* reorder chroma intra pred modes aligned to draft (KS)
Cleanups (no functional change)
* cleaner parameter transfer for CABAC stuffing words (FB)
Changes for Version JM 5.0c to JM 5.0b
--------------------------------------
New features
* CABC Cleanup and Complexity reduction (FB)
Bug Fixes
* Chroma intra pred fix (AH/KS)