changes.txt

包含FRExt部分的JM源码

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)