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 (WYK)


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)
* Loop filter Clipping (AH)

Cleanups (no functional change)
* 4x4 intra prediction mode order (KS)
* remove old qp range support (simplifies loop filter) (KS)
* remove some never called code (KS)


Changes for Version JM 5.0b to JM 5.0a
--------------------------------------
New features
* CABAC cleanup (GB/DM)


Changes for Version JM 5.0a to JM 5.0
-------------------------------------
Removed features
* Intra 8x8 sub macroblocks (HS)

Bug Fixes
* Choose right data partition in RDCost_for_4x4IntraBlocks() MW


Changes for Version JM 5.0 to JM 4.4a
-------------------------------------
New features
* Changed startcode length (KS)
* SEI for                             (SR)
   a) Unregistered (arbitrary) data
   b) Registered ITU_T_t35 data
   c) Random access 
   d) Pan Scan Information

Removed features
* Special Position (KS)
* 1/8 pel motion compensation (KS)

Bug Fixes
* Temporal Direct mode fix for bottom field (LW)
* fix statistics file


Changes for Version JM 4.4a to JM 4.4
-------------------------------------
New features
* MB AFF and CABAC (GB/HS)
Bug Fixes
* fix chroma QP mapping (AH)


Changes for Version JM 4.4 to JM 4.3a
-------------------------------------
New features
* FMO mode 3# [JVT-D095] (WYK)
* FMO modes 4#~6# [JVT-D097] (WYK)
* Scene information SEI message [JVT-D099] (WYK)
* Redundant slices [JVT-D101] (WYK)

Note: FMO is broken.


Changes for Version JM 4.3a to JM 4.3
-------------------------------------
New features
* Spare Pictures [JVT-D100] (DT)
* Signaling of Enhanced GOPs [JVT-D098] (DT)

Bug Fixes
* state table fix (BH)
* fix chroma intra prediction and MB AFF (DH)
* double decoder bitstream buffer size for HD material (KS)
* SP chroma calcultaion fix (MN)
* fix long term picture remove from buffer (DC)

Changes for Version JM 4.3 to JM 4.2a
-------------------------------------
New features
* Chroma Intra prediction (DH/GB)

Bug Fixes
* Data partitioning (TO)
* remove assert from ABT (TH/MW)
* fix for constrained intra prediction (TWa)

Note: MB AFF is broken in this version


Changes for Version JM 4.2a to JM 4.2
-------------------------------------
New features
* Loop Filter Simplification and Improvement (AJ)


Changes for Version JM 4.2 to JM 4.1c
-------------------------------------
New features
* Spatial Direct Prediction for MB AFF (AT)

Bug Fixes
* align simplified intra prediction to text (AH)
* fix simplified intra prediction for mb aff (AH)
* fix spatial direct (YK)
* fix temporal direct (YK)
* MB AFF fixes (LW,RG)

Cleanups
* clean up decode_one_slice (KS)
* removed commented out code (KS)


Changes for Version JM 4.1c to JM 4.1b
--------------------------------------
New features
* Implicit bi-predictive weighting (YK)

Bug Fixes
* MAX_QP define (AJ)


Changes for Version JM 4.1b to JM 4.1a
--------------------------------------
New features
* Simplification of Intra Prediction (AH)

Cleanups
* also always enable EncapsulatedNALPayload at the decoder (KS)
* reference frame check AFF fix (AT)


Changes for Version JM 4.1a to JM 4.1
-------------------------------------
New features
* Spatial Direct Prediction (AT)
  Note: Spatial Direct Currently disabled for MB-AFF

Bug Fixes
* SP chroma bug fixed (XS)
  Removed SP Switch flag from SI encoding (AT)
  Corrected readSyntaxElement_fixed (AT)
* close reconstruction file only if opened (LWi)
* MB AFF fixes (AT)

Cleanups
* remove double scan routines (KS)
* always enable EncapsulatedNALPayload (KS)


Changes for Version JM 4.1 to JM 4.0d
-------------------------------------
New features
* macroblock adaptive frame/field (LW)


Changes for Version JM 4.0d to JM 4.0c
--------------------------------------
Bug Fixes
* CAVLC/AFF memory allocation (KL)
* Solaris compiler problem (MW)
* CAVLC and ABT updates


Changes for Version JM 4.0c to JM 4.0b
-------------------------------
New features
* New Macroblock modes for SP-frames [JVT-B055] (RK)
  Note: some problems related to decoding of SI-frames
	are reported and have to be fixed
 


Changes for Version JM 4.0b to JM 4.0a
-------------------------------
New features
* CAVLC [JVT-C028, D034, D036] (KL, JA)
* Low Complexity Diagonal Mode for Intra Prediction [JVT-D059] (GrC)

Bug Fixes
* Bitstream in MSB first order for CABAC (DM, GB)


Changes for Version JM 4.0a to JM 3.9a
-------------------------------
New features
* Improved CABAC [JVT-C060] (HS, GB))
* Fast Arithmetic Coding for CABAC [JVT-C061] (DM, GB)
* CABAC cleanup [JVT-D019] (GB, DM)
* CABAC and ABT [JVT-D021] (HS, DM, GH))
* New end-of-slice signaling for CABAC [JVT-D020] (HS)


Changes for Version JM 3.9a to JM 3.9
-------------------------------------

Bug Fixes
* fix ABT and VLC (MW)
* fix slice mode 2 (KS)


Changes for Version JM 3.9 to JM 3.8
------------------------------------

Bug Fixes
* fix bitstream NAL encapsulation for slice modes 1,2 and interlace (KS)
* merge interlace buffer changes (KP/KS)
* fix encoder/decoder mismatch for SP-frames (MW)
* remove unnecessary calculations (AT)
* fix SP compiling warning (FW)
* disable 8x8 intra blocks in data partitioning mode (TO)

Cleanups
* remove dead code and variables (KS)
* free all prviously allocated memory (KS)

Note:
* FMO is currently broken

Changes for Version JM 3.8 to JM 3.7
------------------------------------

New features
* Adaptive Block-size Transforms (MW)

Changes for Version JM 3.7 to JM 3.6
------------------------------------

New features
* Loop filter complexity reduction [JVT-C094] (AJ)


Changes for Version JM 3.6 to JM 3.5
------------------------------------

New features
* support for FMO, see JVT-C089-C092 (SW)
  -> FMO requires RTP file format and ConstrainedIntraPrediction = 1

Bug Fixes
* many FMO and out-of-order slices related ones (SW)
* fix old QPs (KS)
* fix chroma coding (AT/KS)
* error concealment fix (YW)

Cleanups
* really remove old start codes (KS)
* remove some unused decoder functions (KS)

Note:
* in Version 3.5 and 3.6 is in the bit stream format the Slice mode broken
* RTP still has the ASCII Parameter Set format

Changes for Version JM 3.4 to JM 3.5
------------------------------------

New Features
* improved SP technique [JVT-c114] (FW)
* add syntax flag for switching (FW)


Bug Fixes
* new QP range bug fixes (chroma & SP coding) (AT/FW)
* SKIP mode support and Runlength Coding for SP frames (AT/FW)
* Modified lambda weight in RDO for SP frames (AT/FW)


Changes for Version JM 3.4 to JM 3.3
------------------------------------

New Features
* stuffing to prevent emulation of start-code [JVT-C064] (SR)
* New start-code for byte-stream format. (SR)
* New method for slice-level QP signaling [JVT-C136] (SR)
* QP range shifted to [0,51] (SR)
  -> use #define _OLDSTYLEQP_ for old range

Bug Fixes
* fix single reference frame problem (AT)
* fix B-Frame coding (AT)
* fix ADAPT_LAST_GROUP (DT)
* fix bit statistics (KS)
* fix search if _FAST_FULL_ME_ disabled (KS)

Cleanups
* remove old slice-level QP signaling (KS)
* remove old start codes (KS)
* large QP handling cleanups (KS)


Changes for Version JM 3.3 to JM 3.2
------------------------------------

New Features
* Consideration of MVs of Direct Mode Macroblocks in B frame MV prediction [JVT-C127] (AT)

Bug Fixes
* fix deblocking filter for B frames [JVT-C127] (AT)


Changes for Version JM 3.2 to JM 3.1
------------------------------------

New Features
* Skip mode motion compensation as defined in JVT-C027 (JL)


Changes for Version JM 3.1 to JM 3.0
------------------------------------

New Features
* Quantization range changed from [-8,39] to [-12,39] [JVT-B039] (AH)
* Simplified rounding for transform and quantization [JVT-C136] (AH)
* Simplified formula for intra 16x16 plane prediction [JVT-C136] (AH)

Bug Fixes
* fix RTP assert (DT)

Cleanups
* remove gcc warnings (KS)

Known Problems
* AFF + 1/8 pel motion compensation broken
* if "LastFrameNumber" is used, "FramesToBeEncoded" must be >= "LastFrameNumber"


Changes for Version JM 3.0 to JM 2.1
------------------------------------

New Features
* Signaling of "Clean" Random Access Points [JVT-B042, JVT-C083] (DT)

Bug Fixes
* error concealment fixes (TO)
* constrained intra prediction (GRC)
* align intra pred to CD text (GRC)
* adaptive frame/field fixes 
  - lambda calculation (LW)
  - average psnr output (LW)
  - fix slice modes 1 and 2 (LW)
  - fix data partitioning (TO)
* add adaptive frame/field parameter consistency checks (KS/LW)
* encoder frame buffer management changes for non-AFF mode (DT)

Cleanups
* remove old 6 mode intra prediction (KS)


Changes for Version JM 2.1 to JM 2.0b
-------------------------------------

New Features
* adaptive frame/field coding (LW)

Bug Fixes
* intra 4x4 prediction block availability (several people)
* DP fixes (TO)


Changes for Version JM 2.0b to JM 2.0
-------------------------------------
Bug Fixes
* fix array bounds overflow in cabac.c (KS/IM)
* fix byte sex issues in IFF (KS)
* add UNIX preparation script (KS)


Changes for Version JM 2.0 to JM 1.9
-------------------------------------
I dropped adaptive frame/field coding, so only bugfixes for this release

Bug Fixes
* decoder delta qp decoding fix (HS)
* correction of wrong calculation of written bits in CABAC mode 
  (correction according to the new coding engine) (DM)
* major cleanup of the routines related to the statistics reported 
  in stat.dat (DM):
  - correction of wrong calculation of used bits for header and mode info
  - addition of new table entries "motion info" and "stuffing bits"
    such that the sum of all entries matches _exactly_ the 
    plotted number of average bits/frame, which in turn is
    now equal to the number of bits reported on the console
* correction of wrong calculation of written bytes for CABAC in RTP mode  (DM)
* correction of total bits/frame printed out to the data.txt file for with B-frames (JL)
* fix mprr size for new intra pred modes (GC)
* fix frame_rate calculation for B-frames (GH)
* fix restriction on reference frames for intra frame period (KS)
* first step RPSL fixes (KS)
* fix RTP assert (WYK)
* tracefile fix (DC)
* fix spelling of config file parameter "NumberReferenceFrames" (MB)

Changes for Version JM 1.9 to JM 1.8
-------------------------------------
New Features
* Loopfilter revised (PL)
* INTRA-Prediction on unfiltered content (PL)

Bug Fixes
* use for each intra pred mode one CABAC context (DM)
* increase version number (KS)
* Interim file format updates (DT)

Cleanups
* GCC compatibility, remove warnings/unused variables (KS)
* Add UNIX Makefiles (KS/HS)


Changes for Version JM 1.8 to JM 1.7
------------------------------------
New Features
* New Intra Prediction Modes [JVT-B080] (GrC)


Changes for Version JM 1.7 to JM 1.4
------------------------------------
New Features
* New Arithmetic Coding Engine [JVT-B036, Moffat/Neal/Witten ACM98]
* Improved CABAC [JVT-B101] (GB)
* Improved MB Pred Modes [JVT-B054] (HS)

Bug Fixes
* Fix MB statistics (HS)
* Compile fix ERPS test (KS)
* Restrict qp_factor for CABAC initialization (DM/KS)
* Uses MAX_QP for IFF qp encoding (KS)
* Fix decoder TR calculation (again) (AT)
* Fix wrong concealment for B-frames and TR wrap around (KS)
* Correct error handling if first slice (or first frame) was lost (TO)
* Introduced macroblock map for concealment of lost or damaged macroblocks (TO)


Changes for Version JM 1.4 to JM 1.0
------------------------------------
New Features
* Interim file format according to Appendix III of WD-1 [JVT-A003] (DT)
* Transform and Quantizer changes [JVT-B008, JVT-B038] (AH)
* VLC update [JVT-B029] (LK)
* Updated Error Rebust Macroblock Mode and Reference Frame Selection [JVT-B102] (DK)

Bug Fixes
* DP & CABAC (TO)



%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
People:
KS      Karsten Suehring        suehring@hhi.de
AH      Antti Hallapuro         antti.hallapuro@nokia.com
AT      Alexis Michael Tourapis alexismt@ieee.org
AJ      Anthony Joch            anthony@ubvideo.com
CG      Cristina Gomila         GomilaC@tce.com
BH      Barry Haskell           bhaskell@apple.com
DC      Doug Chin               dougchin@sandvideo.com
DH      Dzung Hoang             dzung.hoang@conexant.com
DK      Dimitris Kontopodis     dkonto@eikon.tum.de
DM      Detlev Marpe            marpe@hhi.de
DT      Dong Tian               tian@cs.tut.fi
FB      Frank Bossen            bossen@docomolabs-usa.com
GC      Guy Cote                guy@videolocus.com
GrC     Greg Conklin            gregc@real.com
GB      Gabi Blaetterman        blaetter@hhi.de
GS      Gary Sullivan           garysull@microsoft.com
FW      Feng Wu                 fengwu@microsoft.com
HS      Heiko Schwarz           hschwarz@hhi.de
IL      Inge Lille-Langoy       Inge.Lille-Langoy@telenor.com
JB      Jill Boyce              BoyceJ@tce.com
JL      Jani Lainema            Jani.Lainema@nokia.com
JA      James Au                james@ubvideo.com
IM      Iole Moccagatta         imoccaga@lsil.com
KP      Krit Panusopone         KPanusopone@gi.com
KL      Karl Lillevold          Karll@real.com
LK      Louis Kerofsky          lkerofsky@sharplabs.com
LW      Limin Wang              liwang@gi.com
LWi     Lowell Winger           lwinger@videolocus.com
MB      Marcus Barkowsky        Marcus.Barkowsky@nt.e-technik.uni-erlangen.de
MN      Mike Nilsson            mike.nilsson@bt.com
MG      Michael Gallant         mgallant@videolocus.com
MW      Mathias Wien            wien@ient.rwth-aachen.de
PL      Peter List              Peter.List@t-systems.de
PW      Ping Wu                 pwu@tandbergtv.com
RG      Rajeev Gandhi           rajeev@motorola.com
RK      Ragip Kurceren          ragip.kurceren@nokia.com
RS      Rickard Sjoberg         Rickard.Sjoberg@era.ericsson.se
RaS     Raghavan Subramaniyan   Raghavan.S@motorola.com
SR      Shankar Regunathan      shanre@microsoft.com
SW      Stephan Wenger          stewe@cs.tu-berlin.de
TH      Till Hallbach           halbach@tele.ntnu.no
TO      Tobias Oelbaum          drehvial@gmx.net
TS      Teruhiko Suzuki         teruhiko@av.crl.sony.co.jp
TSt     Thomas Stockhammer      stockhammer@lnt.ei.tum.de
TW      Thomas Wiegand          wiegand@hhi.de
TWe     Thomas Wedi             wedi@tnt.uni-hannover.de
TWa     Toby Walker             tobyw@usrl.sony.com
VV      Viktor Varsa            viktor.varsa@nokia.com
WYK     Ye-Kui Wang             wyk@ieee.org
YK      Yoshihiro Kikuchi       yoshihiro.kikuchi@toshiba.co.jp
YL      Yann Lemaguet           yann.lemaguet@philips.com
YW      Ye-Kui Wang             wyk@ieee.org
ZX      Z. Xue                  jon_xz@yahoo.com
XS      Xiaoyan Sun             sunxiaoyan@msrchina.research.microsoft.com      
