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    • Karsten Suehring's avatar
      doxygen: · ac684ec2
      Karsten Suehring authored
      - add modules and sort librairies into modules
      - improve text on main page
      ac684ec2
  19. 03 Aug, 2011 1 commit
  20. 01 Aug, 2011 1 commit
    • Panasonic company account's avatar
      Integrate F470 (Parsing Robustness) · 0c9ad712
      Panasonic company account authored
      -- enabled by the below macro
      MRG_AMVP_FIXED_IDX_F470
      AVOID_NEIGHBOR_REF_F470
      MRG_AMVP_ADD_CAND_F470
      
      modify the below macro name
      PANASONIC_MERGETEMPORALEXT --> delete ( not used)
      PANASONIC_MRG_TMVP_REFIDX --> MRG_TMVP_REFIDX
      PANASONIC_AMVPTEMPORALEXT --> delete (not used) 
      PANASONIC_AMVPTEMPORALMOD --> AMVPTEMPORALMOD
      
      0c9ad712
  21. 16 Jun, 2011 1 commit
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  33. 01 May, 2010 1 commit
    • David Flynn's avatar
      strip non-TMuC tools from JCT-A124 · a5c801b6
      David Flynn authored
      1. Removed tools
        1.1 MVAC (motion vector accuracy control)
            - Enables to limit the motion accuracy up to 1/2 accuracy in
              B-slices for complexity reductio
            - Not used in CfP submission
            - Command line option in A124: MVA
        1.2 SHV (simultaneous H & V motion partition)
            - Enables to use motion partition composed of quarter and
              remaining regions
            - Not used in CfP submission
            - Command line option in A124: SHV
        1.3 RNG (random noise generation)
            - Insert Gaussian noise into the reconstruction file to improve
              perceived quality in flat areas
            - Not used in CfP submission
            - Command line option in A124: RNG
        1.4 LOT (logical transform)
            - Perform 5-3 wavelet + DCT if physical transform size is smaller
              than requested transform size
            - Used in CfP submission only for 128x128 block
            - Command line option in A124: LOT
        1.5 CADR (contents-adaptive dynamic range)
            - Performance source scaling within bit-depth limit
            - Used in CfP submission
            - Command line option in A124: CAD
        1.6 LCT (low-complexity transform)
            - Low-complexity version of large integer transform
            - Not used in CfP submission
            - Command line option in A124: LCT
        1.7 EXC (extreme correction) & BDC (band correction)
            - In-loop post filters based on pixel statistics
            - Used in CfP submission
            - Command line option in A124: EXC
        1.8 PTM (pattern matching intra)
            - Pixel-based pattern matching technique for intra prediction
            - Used in CfP submission
            - Command line option in A124: TMI
        1.9 MPI (multi-parametric intra)
            - Multi-parametric post-processing of intra prediction
            - Used in CfP submission
            - Command line option in A124: MPI
        1.A CCCP (color correlation based chroma prediction)
            - Chroma intra prediction based on luma reconstruction
            - Used in CfP submission
            - Command line option in A124: CCP
        1.B ACS (adaptive coefficient scanning)
            - 3 scanning patterns are used selectively (zigzag, horiz, vert)
            - Used in CfP submission
            - Command line option in A124: ACS
        1.C HAM (high accuracy motion)
            - 1/12th accuracy motion vector for luma and chroma
            - Used in CfP submission for both luma and chroma
            - Command line option in A124: HME, HAP, HAB
        1.D HME: high accuracy motion estimation
            - HAP: HAM in P-slice
            - HAB: HAM in B-slice
      
      2. Modified tools
        2.1 DIF (DCT-based interpolation filter)
            - A124 uses 6-tap DIF for chroma
            - Replaced with AVC bi-linear (1/8th) since it uses HAM filters
              (1/12th), which are not included in TMuC.
        2.2 GRF (generated reference frame)
            - Weighted, weight + offset, offset, affine, isotropic and
              perspective are supported
            - Not used in CfP submission
            - Command line option in A124: -v <character>
            - w: weighted, o: offset, r: refinement, a: affine, i: isotropic,
              p: perspective
            - Affine, isotropic and perspective are removed but weighted
              prediction is remained due to simulate AVC WP
            - To activate: "-v w" in command line (scale+offset) or "-v o"
              for offset-only
        2.3 AMVP (advanced motion prediction)
            - A124 software supports three AMVP modes
            - AM_NONE: use first candidate only (similar to AVC), no signaling
            - AM_EXPL: use explicit signaling (used in CfP submission)
            - AM_IMPL: use implicit signaling based on template matching
            - TMuC only has both explicit signaling mode and non-AMVP method
            - AM_IMPL is removed since it is not included in TMuC
            - AM_NONE is maintained since it can be a place-holder for
              non-AMVP method
        2.4 CIP (combined intra prediction)
            - CIPflag is now coded only for intra blocks (bug-fix)
            - A124 codes CIPflag even in inter blocks
      
      3. Option changes
        3.1 JMQ (JM QP)
            - JMQ = 1: use JM QP assignments, JMQ = 0: use JSVM QP assignments
            - Option is removed and JMQ is always on
            - Option fix: JML (JM Lambda)
        3.2 JML = 1: use JM lambda strategy, JML = 0: use JSVM lambda strategy
            - Option is removed and JML is always on
        3.3 Option fix: ADI
            - Option is removed and ADI is always turned on
        3.4 Option fix: AMV (AMVP)
            - Option is removed and AMVP is always turned on
        3.5 Option fix: DIF
            - Option is removed and DIF is always turned on
        3.6 Option fix: AMP
            - Option is removed and AMP is always turned on
        3.7 Option fix: CIP
            - Option is removed and CIP is always turned on
        3.8 Option fix: ROT
            - Option is removed and ROT is always turned on
            - Note: set ROT_DICT = 1 to disable ROT
        3.9 Option fix: ACC
            - Try coefficient clearing in inter modes
            - Option is removed and ACC is always turned on
        3.A Profile option (-p)
            - It was used to separate A124 and A125 coding tools
            - Removed, now
      
      4. Misc. changes
        4.1 MAX value of IBDI is fixed (IBDI_NOCLIP_RANGE MACRO)
            - Only allows possible values of bit-depth increased signal, not
              all possible values of inherent high bit-depth case
        4.2 Encoder output is fixed
            - Slice size bit (32) is now added to the encoder print-out
        4.3 Source code improvements
            - Unused functions are removed
            - Variable & function namings are changed to clarify its purpose
      
      5. Known problems
        5.1 POC coding
            - It's not implemented well. Currently, fixed 10-bit is used for
              POC coding.
        5.2 ROT (rotational transform)
            - Inverse ROT code is not the best one on the aspects of the
              dynamic range although we already have better one.
            - It'll be replaced later with much simpler implementation.
      
      VCS import by davidf:
        - trailing white space has been removed
        - line endings have been converted
          git will convert them back to CRLF if required (eg win32)
          svn will convert them back to native (CRLF on win32)
        - removed visual studio files that shouldn't be version controlled:
           *.{opt,clw,ncb,aps,mak,dep,plg,suo}
      
      From: Woo-Jin Han <wjhan.han@samsung.com>
      a5c801b6
  34. 22 Apr, 2010 1 commit
    • David Flynn's avatar
      Initial import as per submitted JCTVC-A124 · ad6b0645
      David Flynn authored
       - trailing white space has been removed
       - line endings have been converted
         git will convert them back to CRLF if required (eg win32)
         svn will convert them back to native (CRLF on win32)
       - converted EUC-KR comments to UTF-8
       - removed visual studio files that shouldn't be version controlled:
           *.{opt,clw,ncb,aps,mak,dep,plg,suo}
      
      Samsung contact: Woo-Jin Han <wjhan.han@samsung.com>
      BBC contact: David Flynn <davidf@rd.bbc.co.uk>
      
      From: Samsung/BBC <>
      ad6b0645