Ignore:
Timestamp:
12 Apr 2018, 11:12:21 (7 years ago)
Author:
tech
Message:
  • Update HM-16.18
  • Cleanups
  • Encoder Extension

-- Representation formats
-- Parameter set sharing
-- GOP configuration

File:
1 edited

Legend:

Unmodified
Added
Removed
  • branches/HTM-16.2-dev/source/App/TAppEncoder/TAppEncTop.h

    r1405 r1412  
    44 * granted under this license.
    55 *
    6  * Copyright (c) 2010-2016, ITU/ISO/IEC
     6 * Copyright (c) 2010-2017, ITU/ISO/IEC
    77 * All rights reserved.
    88 *
     
    7373
    7474  std::vector<Int>           m_frameRcvd;                   ///< number of received frames
    75 
    7675  TComPicLists               m_ivPicLists;                  ///< picture buffers of encoder instances
     76
     77  ParameterSetMap<TComSPS>   m_spsMap;
     78  ParameterSetMap<TComPPS>   m_ppsMap;
     79 
     80  IntAry1d                   m_parameterSetId; 
     81  BoolAry1d                  m_sendParameterSets;
     82
     83
    7784#if NH_MV
    7885  TComVPS*                   m_vps;                         ///< vps
     
    147154  Void xSetCamPara                ( TComVPS& vps );
    148155#endif
    149   GOPEntry* xGetGopEntry( Int layerIdInVps, Int poc );
     156
     157  Void xDeriveParameterSetIds( TComVPS& vps )
     158  {
     159
     160    m_parameterSetId  .clear();
     161    m_sendParameterSets.clear();
     162
     163    m_parameterSetId  .resize( m_numberOfLayers, -1 );
     164    m_sendParameterSets.resize( m_numberOfLayers, false );
     165    if ( !m_shareParameterSets )
     166    {
     167      AOT( m_numberOfLayers > 16 );
     168      for (Int curVpsLayerId = 0; curVpsLayerId < m_numberOfLayers; curVpsLayerId++ )
     169      {
     170        m_parameterSetId   [curVpsLayerId] = curVpsLayerId;
     171        m_sendParameterSets[curVpsLayerId] = true         ;
     172      }
     173    }
     174    else
     175    {
     176      // The spec requires e.g.:
     177      // - It is a requirement of bitstream conformance that, when present, the value of chroma_format_idc shall be less than or equal to chroma_format_vps_idc
     178      //   of the vps_rep_format_idx[ j ]-th rep_format( ) syntax structure in the active VPS, where j is equal to LayerIdxInVps[ layerIdCurr ]. 
     179
     180      // Consequently, a depth layer with chorma format 4:0:0 cannot refer to a base layer SPS with chroma format 4:2:0
     181
     182      // Furthermore, it is required that
     183      // - the SPS RBSP shall have nuh_layer_id equal to 0, nuhLayerId, or IdRefLayer[ nuhLayerId ][ i ] with any value of i in the range of 0 to NumRefLayers[ nuhLayerId ] - 1, inclusive.
     184
     185      // Because of these requirements and when parameter set sharing is enabled, HTM sends the parameter sets for a current layer in its smallest reference layer having the same representation format.
     186
     187
     188      Int curPsId = 0;
     189
     190      // Loop all layers
     191      for (Int curVpsLayerId = 0; curVpsLayerId < m_numberOfLayers; curVpsLayerId++ )
     192      {
     193        // Get smallest reference layer with same rep format idx
     194        Int curNuhLayerId = vps.getLayerIdInNuh(curVpsLayerId);
     195        Int smallestRefNuhLIdSameRepFmt   = curNuhLayerId;
     196
     197        Int curRepFormatIdx = m_layerIdxInVpsToRepFormatIdx[ curVpsLayerId ];
     198
     199        for (Int j = 0; j < vps.getNumRefLayers( curNuhLayerId ); j++ )
     200        {
     201          Int refNuhLayerId = vps.getIdRefLayer( curNuhLayerId, j );
     202          Int refVpsLayerId = vps.getLayerIdInVps( refNuhLayerId );
     203
     204          if ( smallestRefNuhLIdSameRepFmt > refNuhLayerId &&  m_layerIdxInVpsToRepFormatIdx[refVpsLayerId] == curRepFormatIdx  )
     205          {
     206            smallestRefNuhLIdSameRepFmt = refNuhLayerId;
     207          }
     208        }
     209
     210        Int smallestRefVpsLIdSameRepFmt =   vps.getLayerIdInVps(  smallestRefNuhLIdSameRepFmt );
     211
     212        if (smallestRefVpsLIdSameRepFmt == curVpsLayerId )
     213        {
     214          m_sendParameterSets[ curVpsLayerId ] = true;         
     215          m_parameterSetId   [ curVpsLayerId ] = curPsId;
     216          curPsId++;
     217          AOT( curPsId > 15 );
     218        }
     219        else
     220        {
     221          AOT( m_parameterSetId   [ smallestRefVpsLIdSameRepFmt  ] == -1 );
     222          m_parameterSetId   [ curVpsLayerId ] = m_parameterSetId   [ smallestRefVpsLIdSameRepFmt  ];
     223        }
     224
     225       
     226      }
     227    }
     228  }
     229
    150230  Int  xGetMax( std::vector<Int>& vec);
    151231  Bool xLayerIdInTargetEncLayerIdList( Int nuhLayerId );
    152232#endif
    153 #if NH_3D_DLT
     233#if NH_3D
    154234  Void xDeriveDltArray( TComVPS& vps, TComDLT* dlt );
    155235  Void xAnalyzeInputBaseDepth(UInt layer, UInt uiNumFrames, TComVPS* vps, TComDLT* dlt);
     
    165245#else
    166246  TEncTop&    getTEncTop  ()   { return  m_cTEncTop; }      ///< return encoder class pointer reference
    167 #endif
     247 
     248#endif
     249private:
     250
    168251};// END CLASS DEFINITION TAppEncTop
    169252
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