sliceheaderbase.cpp
来自「JMVM MPEG MVC/3DAV 测试平台 国际通用标准」· C++ 代码 · 共 1,669 行 · 第 1/5 页
CPP
1,669 行
RNOK( pcWriteIf->writeFlag( m_bArFgsUsageFlag, "SH: base_layer_key_pic_flag" ) );
if( m_bArFgsUsageFlag )
{
// send other information conditionally
UInt uiWeight;
// AR_FGS_MAX_BASE_WEIGHT - 1 is not allowed
uiWeight = ( m_uiBaseWeightZeroBaseBlock <= 1 ) ? 0 : ( m_uiBaseWeightZeroBaseBlock - 1 );
RNOK( pcWriteIf->writeCode( uiWeight, 5, "SH: base_ref_weight_for_zero_base_block" ) );
// AR_FGS_MAX_BASE_WEIGHT - 1 is not allowed
uiWeight = ( m_uiBaseWeightZeroBaseCoeff <= 1 ) ? 0 : ( m_uiBaseWeightZeroBaseCoeff - 1 );
RNOK( pcWriteIf->writeCode( uiWeight, 5, "SH: base_ref_weight_for_zero_base_coeff" ) );
RNOK( pcWriteIf->writeFlag( m_bFgsEntropyOrderFlag, "SH: fgs_order_flag" ) );
}
RNOK( pcWriteIf->writeFlag( m_bAdaptivePredictionFlag, "SH: motion_refinement_flag" ) );
}
} //JVT-P031
}//JVT-S036
#if JMVM_ONLY // JVT-U052
if( m_eSliceType == P_SLICE || m_eSliceType == B_SLICE )
RNOK( pcWriteIf->writeCode( m_uiIcEnable, 1, "SH: ic_enable" ) );
// JVT-Z032
if ( ! m_anchor_pic_flag && (getSPS().getSpsMVC()->getNumNonAnchorRefsForListX (getViewId(), LIST_0)
|| getSPS().getSpsMVC()->getNumNonAnchorRefsForListX (getViewId(), LIST_1) ) )
RNOK( pcWriteIf->writeFlag( m_bMotionSkip, "SH: motion_skip_flag" ) );
#endif
return Err::m_nOK;
}
ErrVal
SliceHeaderBase::xWriteH264AVCCompatible( HeaderSymbolWriteIf* pcWriteIf ) const
{
//===== NAL unit header =====
enum NalUnitType NNalUnitType = m_eNalUnitType;
if ( !this->getAVCFlag() ) //JVT-W035
{
NNalUnitType =NAL_UNIT_CODED_SLICE_SCALABLE;
}
RNOK ( pcWriteIf->writeFlag( 0, "NALU HEADER: forbidden_zero_bit" ) );
RNOK ( pcWriteIf->writeCode( m_eNalRefIdc, 2, "NALU HEADER: nal_ref_idc" ) );
RNOK ( pcWriteIf->writeCode( NNalUnitType, 5, "NALU HEADER: nal_unit_type" ) );
if ( !this->getAVCFlag() ) //JVT-W035
{
RNOK ( pcWriteIf->writeCode( this->getSvcMvcFlag(), 1, "NALU HEADER: svc_mvc_flag" ) );
RNOK ( pcWriteIf->writeCode( m_uiSimplePriorityId, 6, "NALU HEADER: simple_priority_id")); // JVT-W035
RNOK ( pcWriteIf->writeCode( m_uiTemporalLevel, 3, "NALU HEADER: temporal_level"));
RNOK ( pcWriteIf->writeCode( this->getAnchorPicFlag(), 1, "NALU HEADER: anchor_pic_flag" ) );
RNOK ( pcWriteIf->writeCode( this->getViewId(), 10, "NALU HEADER: view_id" ) );
RNOK ( pcWriteIf->writeCode( this->getIDRFlag(), 1, "NALU HEADER: idr_flag" ) );
RNOK ( pcWriteIf->writeCode( this->getInterViewFlag(), 1, "NALU HEADER: inter_view_flag") ); // JVT-W056 Samsung
RNOK ( pcWriteIf->writeCode( this->getReservedZeroBits(), 1, "NALU HEADER: reserved_zero_one_bits" ) );
}
//===== slice header =====
RNOK( pcWriteIf->writeUvlc( m_uiFirstMbInSlice, "SH: first_mb_in_slice" ) );
RNOK( pcWriteIf->writeUvlc( m_eSliceType, "SH: slice_type" ) );
RNOK( pcWriteIf->writeUvlc( m_uiPicParameterSetId, "SH: pic_parameter_set_id" ) );
RNOK( pcWriteIf->writeCode( m_uiFrameNum,
getSPS().getLog2MaxFrameNum(), "SH: frame_num" ) );
if( m_eNalUnitType == NAL_UNIT_CODED_SLICE_IDR )
{
RNOK( pcWriteIf->writeUvlc( m_uiIdrPicId, "SH: idr_pic_id" ) );
}
if( getSPS().getPicOrderCntType() == 0 )
{
RNOK( pcWriteIf->writeCode( m_uiPicOrderCntLsb,
getSPS().getLog2MaxPicOrderCntLsb(), "SH: pic_order_cnt_lsb" ) );
if( getPPS().getPicOrderPresentFlag() /*&& true ! field_pic_flag */ )
{
RNOK( pcWriteIf->writeSvlc( m_iDeltaPicOrderCntBottom, "SH: delta_pic_order_cnt_bottom" ) );
}
}
if( getSPS().getPicOrderCntType() == 1 && ! getSPS().getDeltaPicOrderAlwaysZeroFlag() )
{
RNOK( pcWriteIf->writeSvlc( m_aiDeltaPicOrderCnt[0], "SH: delta_pic_order_cnt[0]" ) );
if( getPPS().getPicOrderPresentFlag() /*&& true ! field_pic_flag */ )
{
RNOK( pcWriteIf->writeSvlc( m_aiDeltaPicOrderCnt[1], "SH: delta_pic_order_cnt[1]" ) );
}
}
//JVT-Q054 Red. Picture {
if ( getPPS().getRedundantPicCntPresentFlag() )
{
RNOK( pcWriteIf->writeUvlc( m_uiRedundantPicCnt, "SH: redundant_pic_cnt") );
}
//JVT-Q054 Red. Picture }
if( m_eSliceType == B_SLICE )
{
RNOK( pcWriteIf->writeFlag( m_bDirectSpatialMvPredFlag, "SH: direct_spatial_mv_pred_flag" ) );
}
if( m_eSliceType == P_SLICE || m_eSliceType == B_SLICE )
{
RNOK( pcWriteIf->writeFlag( m_bNumRefIdxActiveOverrideFlag, "SH: num_ref_idx_active_override_flag" ) );
if( m_bNumRefIdxActiveOverrideFlag )
{
RNOK( pcWriteIf->writeUvlc( m_auiNumRefIdxActive[LIST_0]-1, "SH: num_ref_idx_l0_active_minus1" ) );
if( m_eSliceType == B_SLICE )
{
RNOK( pcWriteIf->writeUvlc( m_auiNumRefIdxActive[LIST_1]-1, "SH: num_ref_idx_l1_active_minus1" ) );
}
}
}
#if JMVM_ONLY // JVT-W081
if ( this->getAnchorPicFlag() && !getAVCFlag() )
{
UInt ui;
UInt uiNumNonAnchorRefL0 = getSPS().getSpsMVC()->getNumNonAnchorRefsForListX(this->getViewId(), LIST_0);
UInt uiNumNonAnchorRefL1 = getSPS().getSpsMVC()->getNumNonAnchorRefsForListX(this->getViewId(), LIST_1);
if( m_eSliceType != I_SLICE )
{
for(ui=0; ui<uiNumNonAnchorRefL0; ui++)
{
RNOK ( pcWriteIf->writeSvlc ( m_iGlobalDisparityL0[ui][0], "SH: global_disparity_L0[i][0]" ) );
RNOK ( pcWriteIf->writeSvlc ( m_iGlobalDisparityL0[ui][1], "SH: global_disparity_L0[i][1]" ) );
}
}
if( m_eSliceType != I_SLICE )
{
for(ui=0; ui<uiNumNonAnchorRefL1; ui++)
{
RNOK ( pcWriteIf->writeSvlc ( m_iGlobalDisparityL1[ui][0], "SH: global_disparity_L1[i][0]" ) );
RNOK ( pcWriteIf->writeSvlc ( m_iGlobalDisparityL1[ui][1], "SH: global_disparity_L1[i][1]" ) );
}
}
}
#endif // JVT-W081
if( m_eSliceType == P_SLICE || m_eSliceType == B_SLICE )
{
RNOK( getRplrBuffer( LIST_0 ).write( pcWriteIf ) );
}
if( m_eSliceType == B_SLICE )
{
RNOK( getRplrBuffer( LIST_1 ).write( pcWriteIf ) );
}
if( ( getPPS().getWeightedPredFlag () && ( m_eSliceType == P_SLICE ) ) ||
( getPPS().getWeightedBiPredIdc() == 1 && ( m_eSliceType == B_SLICE ) ) )
{
RNOK( pcWriteIf->writeUvlc( m_uiLumaLog2WeightDenom, "PWT: luma_log_weight_denom" ) );
RNOK( pcWriteIf->writeUvlc( m_uiChromaLog2WeightDenom, "PWT: chroma_log_weight_denom" ) );
RNOK( m_acPredWeightTable[LIST_0].write( pcWriteIf, getNumRefIdxActive( LIST_0 ) ) );
if( m_eSliceType == B_SLICE )
{
RNOK( m_acPredWeightTable[LIST_1].write( pcWriteIf, getNumRefIdxActive( LIST_1) ) );
}
}
if( getNalRefIdc() )
{
if( isIdrNalUnit() )
{
RNOK( pcWriteIf->writeFlag( m_bNoOutputOfPriorPicsFlag, "DRPM: no_output_of_prior_pics_flag" ) );
RNOK( pcWriteIf->writeFlag( false, "DRPM: long_term_reference_flag" ) );
}
else
{
RNOK( pcWriteIf->writeFlag( m_bAdaptiveRefPicBufferingModeFlag, "DRPM: adaptive_ref_pic_buffering_mode_flag" ) );
if( m_bAdaptiveRefPicBufferingModeFlag )
{
RNOK( getMmcoBuffer().write( pcWriteIf ) );
}
}
}
if( getPPS().getEntropyCodingModeFlag() && m_eSliceType != I_SLICE )
{
RNOK( pcWriteIf->writeUvlc( m_uiCabacInitIdc, "SH: cabac_init_idc" ) );
}
RNOK( pcWriteIf->writeSvlc( m_iSliceQpDelta, "SH: slice_qp_delta" ) );
if( getPPS().getDeblockingFilterParametersPresentFlag() )
{
RNOK( getDeblockingFilterParameter().write( pcWriteIf ) );
}
if(getPPS().getNumSliceGroupsMinus1()>0 && getPPS().getSliceGroupMapType() >=3 && getPPS().getSliceGroupMapType() <= 5)
{
RNOK( pcWriteIf->writeCode( m_uiSliceGroupChangeCycle, getPPS().getLog2MaxSliceGroupChangeCycle(getSPS().getMbInFrame()) , "SH: slice_group_change_cycle" ) );
}
#if JMVM_ONLY // JVT-U052
if( ( m_eSliceType == P_SLICE || m_eSliceType == B_SLICE ) && !getAVCFlag() )
RNOK( pcWriteIf->writeCode( m_uiIcEnable, 1, "SH: ic_enable" ) );
//JVT-Z032
if (!getAVCFlag() && !m_anchor_pic_flag && (getSPS().getSpsMVC()->getNumNonAnchorRefsForListX (getViewId(), LIST_0)
|| getSPS().getSpsMVC()->getNumNonAnchorRefsForListX (getViewId(), LIST_1) ) )
RNOK( pcWriteIf->writeFlag( m_bMotionSkip, "SH: motion_skip_enable_flag" ) );
#endif
return Err::m_nOK;
}
ErrVal
SliceHeaderBase::read( HeaderSymbolReadIf* pcReadIf )
{
if( (m_eNalUnitType == NAL_UNIT_CODED_SLICE_IDR_SCALABLE ||
m_eNalUnitType == NAL_UNIT_CODED_SLICE_SCALABLE ) && m_svc_mvc_flag)
{
return xReadMVCCompatible ( pcReadIf );
}
else
if( m_eNalUnitType == NAL_UNIT_CODED_SLICE_IDR_SCALABLE ||
m_eNalUnitType == NAL_UNIT_CODED_SLICE_SCALABLE )
{
if ( m_eSliceType == B_SLICE ) m_eSliceType = P_SLICE;
else if ( m_eSliceType == P_SLICE ) m_eSliceType = B_SLICE;
return xReadScalable ( pcReadIf );
}
else
{
return xReadH264AVCCompatible ( pcReadIf );
}
}
ErrVal
SliceHeaderBase::xReadScalable( HeaderSymbolReadIf* pcReadIf )
{
Bool bTmp;
UInt uiTmp;
/*if( m_eSliceType == F_SLICE ) // HS: coding order changed to match the text
{
RNOK( pcReadIf->getUvlc( m_uiNumMbsInSlice, "SH: num_mbs_in_slice" ) );
RNOK( pcReadIf->getFlag( m_bFgsComponentSep, "SH: fgs_comp_sep" ) );
}*/
RNOK( pcReadIf->getCode( m_uiFrameNum,
getSPS().getLog2MaxFrameNum(), "SH: frame_num" ) );
//if( m_eNalUnitType == NAL_UNIT_CODED_SLICE_IDR_SCALABLE ) JVT-W035
if( getIDRFlag()) //JVT-W035
{
RNOK( pcReadIf->getUvlc( m_uiIdrPicId, "SH: idr_pic_id" ) );
}
if( getSPS().getPicOrderCntType() == 0 )
{
RNOK( pcReadIf->getCode( m_uiPicOrderCntLsb,
getSPS().getLog2MaxPicOrderCntLsb(), "SH: pic_order_cnt_lsb" ) );
if( getPPS().getPicOrderPresentFlag() /*&& true ! field_pic_flag */ )
{
RNOK( pcReadIf->getSvlc( m_iDeltaPicOrderCntBottom, "SH: delta_pic_order_cnt_bottom" ) );
}
}
if( getSPS().getPicOrderCntType() == 1 && ! getSPS().getDeltaPicOrderAlwaysZeroFlag() )
{
RNOK( pcReadIf->getSvlc( m_aiDeltaPicOrderCnt[0], "SH: delta_pic_order_cnt[0]" ) );
if( getPPS().getPicOrderPresentFlag() /*&& true ! field_pic_flag */ )
{
RNOK( pcReadIf->getSvlc( m_aiDeltaPicOrderCnt[1], "SH: delta_pic_order_cnt[1]" ) );
}
}
//JVT-S036 start
if( getNalRefIdc() )
{
RNOK( pcReadIf->getFlag( m_bKeyPicFlagScalable, "SH: key_pic_flag"));
}
//JVT-S036 end
//JVT-Q054 Red. Picture {
if ( m_eSliceType != F_SLICE )
{
if ( getPPS().getRedundantPicCntPresentFlag())
{
RNOK( pcReadIf->getUvlc( m_uiRedundantPicCnt, "SH: redundant_pic_cnt") );
}
}
//JVT-Q054 Red. Picture }
if( m_eSliceType == B_SLICE )
{
RNOK( pcReadIf->getFlag( m_bDirectSpatialMvPredFlag, "SH: direct_spatial_mv_pred_flag" ) );
}
if( m_eSliceType != F_SLICE )
{
RNOK( pcReadIf->getUvlc( uiTmp, "SH: base_id_plus1" ) );
m_uiBaseLayerId = uiTmp - 1;
if( m_uiBaseLayerId != MSYS_UINT_MAX )
{
m_uiBaseFragmentOrder = m_uiBaseLayerId & 0x03;
m_uiBaseQualityLevel = (m_uiBaseLayerId >> 2) & 0x03;
m_uiBaseLayerId = m_uiBaseLayerId >> 4;
}
else
{
m_uiBaseQualityLevel = 0;
}
if( m_uiBaseLayerId != MSYS_UINT_MAX )
{
RNOK( pcReadIf->getFlag( m_bAdaptivePredictionFlag, "SH: adaptive_prediction_flag" ) );
}
if( m_eSliceType == P_SLICE || m_eSliceType == B_SLICE )
{
RNOK( pcReadIf->getFlag( m_bNumRefIdxActiveOverrideFlag, "SH: num_ref_idx_active_override_flag" ) );
if( m_bNumRefIdxActiveOverrideFlag )
{
RNOK( pcReadIf->getUvlc( m_auiNumRefIdxActive[LIST_0], "SH: num_ref_idx_l0_active_minus1" ) );
m_auiNumRefIdxActive[LIST_0]++;
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