/* The copyright in this software is being made available under the BSD
* License, included below. This software may be subject to other third party
* and contributor rights, including patent rights, and no such rights are
* granted under this license.
*
* Copyright (c) 2010-2019, ITU/ISO/IEC
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file VLCWriter.cpp
* \brief Writer for high level syntax
*/
#include "VLCWriter.h"
#include "SEIwrite.h"
#include "CommonLib/CommonDef.h"
#include "CommonLib/Unit.h"
#include "CommonLib/Picture.h" // th remove this
#include "CommonLib/dtrace_next.h"
#include "EncAdaptiveLoopFilter.h"
#include "CommonLib/AdaptiveLoopFilter.h"
//! \ingroup EncoderLib
//! \{
#if ENABLE_TRACING
void VLCWriter::xWriteCodeTr (uint32_t value, uint32_t length, const char *pSymbolName)
{
xWriteCode (value,length);
if( g_HLSTraceEnable )
{
if( length < 10 )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s u(%d) : %d\n", pSymbolName, length, value );
}
else
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s u(%d) : %d\n", pSymbolName, length, value );
}
}
}
void VLCWriter::xWriteUvlcTr (uint32_t value, const char *pSymbolName)
{
xWriteUvlc (value);
if( g_HLSTraceEnable )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s ue(v) : %d\n", pSymbolName, value );
}
}
void VLCWriter::xWriteSvlcTr (int value, const char *pSymbolName)
{
xWriteSvlc(value);
if( g_HLSTraceEnable )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s se(v) : %d\n", pSymbolName, value );
}
}
void VLCWriter::xWriteFlagTr(uint32_t value, const char *pSymbolName)
{
xWriteFlag(value);
if( g_HLSTraceEnable )
{
DTRACE( g_trace_ctx, D_HEADER, "%-50s u(1) : %d\n", pSymbolName, value );
}
}
bool g_HLSTraceEnable = true;
#endif
void VLCWriter::xWriteCode ( uint32_t uiCode, uint32_t uiLength )
{
CHECK( uiLength == 0, "Code of lenght '0' not supported" );
m_pcBitIf->write( uiCode, uiLength );
}
void VLCWriter::xWriteUvlc ( uint32_t uiCode )
{
uint32_t uiLength = 1;
uint32_t uiTemp = ++uiCode;
CHECK( !uiTemp, "Integer overflow" );
while( 1 != uiTemp )
{
uiTemp >>= 1;
uiLength += 2;
}
// Take care of cases where uiLength > 32
m_pcBitIf->write( 0, uiLength >> 1);
m_pcBitIf->write( uiCode, (uiLength+1) >> 1);
}
void VLCWriter::xWriteSvlc ( int iCode )
{
uint32_t uiCode = uint32_t( iCode <= 0 ? (-iCode)<<1 : (iCode<<1)-1);
xWriteUvlc( uiCode );
}
void VLCWriter::xWriteFlag( uint32_t uiCode )
{
m_pcBitIf->write( uiCode, 1 );
}
void VLCWriter::xWriteRbspTrailingBits()
{
WRITE_FLAG( 1, "rbsp_stop_one_bit");
int cnt = 0;
while (m_pcBitIf->getNumBitsUntilByteAligned())
{
WRITE_FLAG( 0, "rbsp_alignment_zero_bit");
cnt++;
}
CHECK(cnt>=8, "More than '8' alignment bytes read");
}
void AUDWriter::codeAUD(OutputBitstream& bs, const int pictureType)
{
#if ENABLE_TRACING
xTraceAccessUnitDelimiter();
#endif
CHECK(pictureType >= 3, "Invalid picture type");
setBitstream(&bs);
WRITE_CODE(pictureType, 3, "pic_type");
xWriteRbspTrailingBits();
}
#if JVET_O0244_DELTA_POC
void HLSWriter::xCodeRefPicList( const ReferencePictureList* rpl, bool isLongTermPresent, uint32_t ltLsbBitsCount, const bool isForbiddenZeroDeltaPoc )
#else
void HLSWriter::xCodeRefPicList(const ReferencePictureList* rpl, bool isLongTermPresent, uint32_t ltLsbBitsCount)
#endif
{
WRITE_UVLC(rpl->getNumberOfShorttermPictures() + rpl->getNumberOfLongtermPictures(), "num_ref_entries[ listIdx ][ rplsIdx ]");
uint32_t numRefPic = rpl->getNumberOfShorttermPictures() + rpl->getNumberOfLongtermPictures();
int prevDelta = MAX_INT;
int deltaValue = 0;
bool firstSTRP = true;
for (int ii = 0; ii < numRefPic; ii++)
{
if (rpl->getNumberOfLongtermPictures() > 0)
WRITE_FLAG(!rpl->isRefPicLongterm(ii), "st_ref_pic_flag[ listIdx ][ rplsIdx ][ i ]");
if (!rpl->isRefPicLongterm(ii))
{
if (firstSTRP)
{
firstSTRP = false;
deltaValue = prevDelta = rpl->getRefPicIdentifier(ii);
}
else
{
deltaValue = rpl->getRefPicIdentifier(ii) - prevDelta;
prevDelta = rpl->getRefPicIdentifier(ii);
}
unsigned int absDeltaValue = (deltaValue < 0) ? 0 - deltaValue : deltaValue;
#if JVET_O0244_DELTA_POC
if( isForbiddenZeroDeltaPoc )
{
CHECK( !absDeltaValue, "Zero delta POC is not used without WP" );
WRITE_UVLC( absDeltaValue - 1, "abs_delta_poc_st[ listIdx ][ rplsIdx ][ i ]" );
}
else
#endif
WRITE_UVLC(absDeltaValue, "abs_delta_poc_st[ listIdx ][ rplsIdx ][ i ]");
if (absDeltaValue > 0)
WRITE_FLAG((deltaValue < 0) ? 0 : 1, "strp_entry_sign_flag[ listIdx ][ rplsIdx ][ i ]"); //0 means negative delta POC : 1 means positive
}
else
{
WRITE_CODE(rpl->getRefPicIdentifier(ii), ltLsbBitsCount, "poc_lsb_lt[listIdx][rplsIdx][i]");
}
}
}
#if JVET_O1136_TS_BDPCM_SIGNALLING
void HLSWriter::codePPS( const PPS* pcPPS, const SPS* pcSPS )
#else
void HLSWriter::codePPS( const PPS* pcPPS )
#endif
{
#if ENABLE_TRACING
xTracePPSHeader ();
#endif
WRITE_UVLC( pcPPS->getPPSId(), "pps_pic_parameter_set_id" );
WRITE_UVLC( pcPPS->getSPSId(), "pps_seq_parameter_set_id" );
WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" );
WRITE_CODE( pcPPS->getNumExtraSliceHeaderBits(), 3, "num_extra_slice_header_bits");
WRITE_FLAG( pcPPS->getCabacInitPresentFlag() ? 1 : 0, "cabac_init_present_flag" );
WRITE_UVLC( pcPPS->getNumRefIdxL0DefaultActive()-1, "num_ref_idx_l0_default_active_minus1");
WRITE_UVLC( pcPPS->getNumRefIdxL1DefaultActive()-1, "num_ref_idx_l1_default_active_minus1");
WRITE_FLAG(pcPPS->getRpl1IdxPresentFlag() ? 1 : 0, "rpl1IdxPresentFlag");
WRITE_SVLC( pcPPS->getPicInitQPMinus26(), "init_qp_minus26");
WRITE_FLAG( pcPPS->getConstrainedIntraPred() ? 1 : 0, "constrained_intra_pred_flag" );
#if !JVET_O1136_TS_BDPCM_SIGNALLING
WRITE_FLAG( pcPPS->getUseTransformSkip() ? 1 : 0, "transform_skip_enabled_flag" );
#endif
WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "cu_qp_delta_enabled_flag" );
if ( pcPPS->getUseDQP() )
{
WRITE_UVLC( pcPPS->getCuQpDeltaSubdiv(), "cu_qp_delta_subdiv" );
}
WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cb), "pps_cb_qp_offset" );
WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cr), "pps_cr_qp_offset" );
WRITE_SVLC( pcPPS->getQpOffset(JOINT_CbCr), "pps_joint_cbcr_qp_offset" );
WRITE_FLAG( pcPPS->getSliceChromaQpFlag() ? 1 : 0, "pps_slice_chroma_qp_offsets_present_flag" );
WRITE_FLAG( pcPPS->getUseWP() ? 1 : 0, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE)
WRITE_FLAG( pcPPS->getWPBiPred() ? 1 : 0, "weighted_bipred_flag" ); // Use of Weighting Bi-Prediction (B_SLICE)
WRITE_FLAG( pcPPS->getTransquantBypassEnabledFlag() ? 1 : 0, "transquant_bypass_enabled_flag" );
WRITE_FLAG( pcPPS->getSingleTileInPicFlag() ? 1 : 0, "single_tile_in_pic_flag" );
if (!pcPPS->getSingleTileInPicFlag())
{
WRITE_FLAG( pcPPS->getUniformTileSpacingFlag() ? 1 : 0, "uniform_tile_spacing_flag" );
if (pcPPS->getUniformTileSpacingFlag())
{
WRITE_UVLC( pcPPS->getTileColsWidthMinus1(), "tile_cols_width_minus1" );
WRITE_UVLC( pcPPS->getTileRowsHeightMinus1(), "tile_rows_height_minus1" );
}
else
{
WRITE_UVLC( pcPPS->getNumTileColumnsMinus1(), "num_tile_columns_minus1" );
WRITE_UVLC( pcPPS->getNumTileRowsMinus1(), "num_tile_rows_minus1" );
CHECK( ((pcPPS->getNumTileColumnsMinus1() + 1) * (pcPPS->getNumTileRowsMinus1() + 1)) < 2, "tile colums * rows must be > 1 when explicitly signalled.");
for (int i = 0; i < pcPPS->getNumTileColumnsMinus1(); i++)
{
WRITE_UVLC( pcPPS->getTileColumnWidth(i) - 1, "tile_column_width_minus1" );
}
for (int i = 0; i < pcPPS->getNumTileRowsMinus1(); i++)
{
WRITE_UVLC( pcPPS->getTileRowHeight(i) - 1, "tile_row_height_minus1" );
}
}
WRITE_FLAG( pcPPS->getBrickSplittingPresentFlag() ? 1 : 0, "brick_splitting_present_flag" );
int numTilesInPic = pcPPS->getUniformTileSpacingFlag() ? 0 : (pcPPS->getNumTileColumnsMinus1() + 1) * (pcPPS->getNumTileRowsMinus1() + 1);
for( int i = 0; pcPPS->getBrickSplittingPresentFlag() && i < numTilesInPic; i++ )
{
WRITE_FLAG( pcPPS->getBrickSplitFlag(i) ? 1 : 0, "brick_split_flag [i]" );
if( pcPPS->getBrickSplitFlag(i) )
{
WRITE_FLAG( pcPPS->getUniformBrickSpacingFlag(i) ? 1 : 0, "uniform_brick_spacing_flag [i]" );
if( pcPPS->getUniformBrickSpacingFlag(i) )
WRITE_UVLC( pcPPS->getBrickHeightMinus1(i), "brick_height_minus1" );
else
{
WRITE_UVLC( pcPPS->getNumBrickRowsMinus1(i), "num_brick_rows_minus1 [i]" );
for(int j = 0; j < pcPPS->getNumBrickRowsMinus1(i); j++ )
WRITE_UVLC( pcPPS->getBrickRowHeightMinus1(i,j), "brick_row_height_minus1 [i][j]" );
}
}
}
WRITE_FLAG( pcPPS->getSingleBrickPerSliceFlag() ? 1 : 0, "single_brick_per_slice_flag" );
if (!pcPPS->getSingleBrickPerSliceFlag())
{
WRITE_FLAG( pcPPS->getRectSliceFlag() ? 1 : 0, "rect_slice_flag" );
}
else
{
// make sure rect_slice_flag is set
CHECK (pcPPS->getRectSliceFlag()!=true, "RectSliceFlag must be equal to 1 for single_brick_per_slice_flag equal to 1");
}
if (pcPPS->getRectSliceFlag() && !pcPPS->getSingleBrickPerSliceFlag())
{
WRITE_UVLC( pcPPS->getNumSlicesInPicMinus1(), "num_slices_in_pic_minus1" );
int numSlicesInPic = pcPPS->getNumSlicesInPicMinus1() + 1;
int numTilesInPic = (pcPPS->getNumTileColumnsMinus1() + 1) * (pcPPS->getNumTileRowsMinus1() + 1);
int codeLength = (int)ceil(log2(numTilesInPic));
int codeLength2 = codeLength;
for (int i = 0; i < numSlicesInPic; ++i)
{
if (i > 0)
{
WRITE_CODE(pcPPS->getTopLeftBrickIdx(i), codeLength, "top_left_brick_idx ");
codeLength2 = (int)ceil(log2((numTilesInPic - pcPPS->getTopLeftBrickIdx(i) < 2) ? 2 : numTilesInPic - pcPPS->getTopLeftBrickIdx(i)));
}
WRITE_CODE(pcPPS->getBottomRightBrickIdx(i) - pcPPS->getTopLeftBrickIdx(i), codeLength2, "bottom_right_brick_idx_delta");
}
}
WRITE_FLAG( pcPPS->getLoopFilterAcrossBricksEnabledFlag() ? 1 : 0, "loop_filter_across_bricks_enabled_flag" );
if (pcPPS->getLoopFilterAcrossBricksEnabledFlag())
{
WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag() ? 1 : 0, "loop_filter_across_slices_enabled_flag" );
}
}
else
{
// make sure single brick per slice is set by encoder such that the behaviour is same as for setting it to true
CHECK(pcPPS->getSingleBrickPerSliceFlag() != true, "SingleBrickPerSliceFlag must be set to 1 when not present");
// make sure rect_slice_flag is set
CHECK (pcPPS->getRectSliceFlag()!=true, "RectSliceFlag must be equalt to 1 for single_tile_in_pic_flag equal to 1");
}
if (pcPPS->getRectSliceFlag())
{
WRITE_FLAG( pcPPS->getSignalledSliceIdFlag() ? 1 : 0, "signalled_slice_id_flag" );
if (pcPPS->getSignalledSliceIdFlag())
{
WRITE_UVLC( pcPPS->getSignalledSliceIdLengthMinus1(), "signalled_slice_id_length_minus1" );
int signalledTileGroupIdLength = pcPPS->getSignalledSliceIdLengthMinus1() + 1;
int numTileGroupsInPic = pcPPS->getNumSlicesInPicMinus1() + 1;
for (int i = 0; i < numTileGroupsInPic; ++i)
{
WRITE_CODE (pcPPS->getSliceId(i), signalledTileGroupIdLength, "slice_id" );
}
}
}
WRITE_FLAG( pcPPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "entropy_coding_sync_enabled_flag" );
WRITE_FLAG( pcPPS->getDeblockingFilterControlPresentFlag()?1 : 0, "deblocking_filter_control_present_flag");
if(pcPPS->getDeblockingFilterControlPresentFlag())
{
WRITE_FLAG( pcPPS->getDeblockingFilterOverrideEnabledFlag() ? 1 : 0, "deblocking_filter_override_enabled_flag" );
WRITE_FLAG( pcPPS->getPPSDeblockingFilterDisabledFlag() ? 1 : 0, "pps_deblocking_filter_disabled_flag" );
if(!pcPPS->getPPSDeblockingFilterDisabledFlag())
{
WRITE_SVLC( pcPPS->getDeblockingFilterBetaOffsetDiv2(), "pps_beta_offset_div2" );
WRITE_SVLC( pcPPS->getDeblockingFilterTcOffsetDiv2(), "pps_tc_offset_div2" );
}
}
WRITE_FLAG( pcPPS->getLoopFilterAcrossVirtualBoundariesDisabledFlag() ? 1 : 0, "pps_loop_filter_across_virtual_boundaries_disabled_flag" );
if( pcPPS->getLoopFilterAcrossVirtualBoundariesDisabledFlag() )
{
WRITE_CODE( pcPPS->getNumVerVirtualBoundaries(), 2, "pps_num_ver_virtual_boundaries");
int numBits = (int)ceil(log2(pcPPS->pcv->lumaWidth) - 3);
for( unsigned i = 0; i < pcPPS->getNumVerVirtualBoundaries(); i++ )
{
WRITE_CODE( pcPPS->getVirtualBoundariesPosX( i ) >> 3, numBits, "pps_virtual_boundaries_pos_x" );
}
WRITE_CODE( pcPPS->getNumHorVirtualBoundaries(), 2, "pps_num_hor_virtual_boundaries");
numBits = (int)ceil(log2(pcPPS->pcv->lumaHeight) - 3);
for( unsigned i = 0; i < pcPPS->getNumHorVirtualBoundaries(); i++ )
{
WRITE_CODE( pcPPS->getVirtualBoundariesPosY( i ) >> 3, numBits, "pps_virtual_boundaries_pos_y" );
}
}
WRITE_FLAG( pcPPS->getScalingListPresentFlag() ? 1 : 0, "pps_scaling_list_data_present_flag" );
if( pcPPS->getScalingListPresentFlag() )
{
codeScalingList( pcPPS->getScalingList() );
}
WRITE_UVLC( pcPPS->getLog2ParallelMergeLevelMinus2(), "log2_parallel_merge_level_minus2");
WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "slice_segment_header_extension_present_flag");
bool pps_extension_present_flag=false;
bool pps_extension_flags[NUM_PPS_EXTENSION_FLAGS]={false};
#if JVET_O1136_TS_BDPCM_SIGNALLING
pps_extension_flags[PPS_EXT__REXT] = pcPPS->getPpsRangeExtension().settingsDifferFromDefaults(pcSPS->getTransformSkipEnabledFlag());
#else
pps_extension_flags[PPS_EXT__REXT] = pcPPS->getPpsRangeExtension().settingsDifferFromDefaults(pcPPS->getUseTransformSkip());
#endif
// Other PPS extension flags checked here.
for(int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++)
{
pps_extension_present_flag|=pps_extension_flags[i];
}
WRITE_FLAG( (pps_extension_present_flag?1:0), "pps_extension_present_flag" );
if (pps_extension_present_flag)
{
#if ENABLE_TRACING /*|| RExt__DECODER_DEBUG_BIT_STATISTICS*/
static const char *syntaxStrings[]={ "pps_range_extension_flag",
"pps_multilayer_extension_flag",
"pps_extension_6bits[0]",
"pps_extension_6bits[1]",
"pps_extension_6bits[2]",
"pps_extension_6bits[3]",
"pps_extension_6bits[4]",
"pps_extension_6bits[5]" };
#endif
for(int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++)
{
WRITE_FLAG( pps_extension_flags[i]?1:0, syntaxStrings[i] );
}
for(int i=0; i<NUM_PPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum.
{
if (pps_extension_flags[i])
{
switch (PPSExtensionFlagIndex(i))
{
case PPS_EXT__REXT:
{
const PPSRExt &ppsRangeExtension = pcPPS->getPpsRangeExtension();
#if JVET_O1136_TS_BDPCM_SIGNALLING
if (pcSPS->getTransformSkipEnabledFlag())
#else
if (pcPPS->getUseTransformSkip())
#endif
{
WRITE_UVLC( ppsRangeExtension.getLog2MaxTransformSkipBlockSize()-2, "log2_max_transform_skip_block_size_minus2");
}
WRITE_FLAG((ppsRangeExtension.getCrossComponentPredictionEnabledFlag() ? 1 : 0), "cross_component_prediction_enabled_flag" );
WRITE_FLAG(uint32_t(ppsRangeExtension.getChromaQpOffsetListEnabledFlag()), "chroma_qp_offset_list_enabled_flag" );
if (ppsRangeExtension.getChromaQpOffsetListEnabledFlag())
{
WRITE_UVLC(ppsRangeExtension.getCuChromaQpOffsetSubdiv(), "cu_chroma_qp_offset_subdiv");
WRITE_UVLC(ppsRangeExtension.getChromaQpOffsetListLen() - 1, "chroma_qp_offset_list_len_minus1");
/* skip zero index */
for (int cuChromaQpOffsetIdx = 0; cuChromaQpOffsetIdx < ppsRangeExtension.getChromaQpOffsetListLen(); cuChromaQpOffsetIdx++)
{
WRITE_SVLC(ppsRangeExtension.getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CbOffset, "cb_qp_offset_list[i]");
WRITE_SVLC(ppsRangeExtension.getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CrOffset, "cr_qp_offset_list[i]");
#if JVET_O1168_CU_CHROMA_QP_OFFSET
WRITE_SVLC(ppsRangeExtension.getChromaQpOffsetListEntry(cuChromaQpOffsetIdx + 1).u.comp.JointCbCrOffset, "joint_cbcr_qp_offset_list[i]");
#endif
}
}
WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_LUMA), "log2_sao_offset_scale_luma" );
WRITE_UVLC( ppsRangeExtension.getLog2SaoOffsetScale(CHANNEL_TYPE_CHROMA), "log2_sao_offset_scale_chroma" );
}
break;
default:
CHECK(pps_extension_flags[i]==false, "Unknown PPS extension signalled"); // Should never get here with an active PPS extension flag.
break;
} // switch
} // if flag present
} // loop over PPS flags
} // pps_extension_present_flag is non-zero
xWriteRbspTrailingBits();
}
void HLSWriter::codeAPS( APS* pcAPS )
{
#if ENABLE_TRACING
xTraceAPSHeader();
#endif
WRITE_CODE(pcAPS->getAPSId(), 5, "adaptation_parameter_set_id");
WRITE_CODE(pcAPS->getAPSType(), 3, "aps_params_type");
if (pcAPS->getAPSType() == ALF_APS)
{
codeAlfAps(pcAPS);
}
else if (pcAPS->getAPSType() == LMCS_APS)
{
codeLmcsAps (pcAPS);
}
WRITE_FLAG(0, "aps_extension_flag"); //Implementation when this flag is equal to 1 should be added when it is needed. Currently in the spec we don't have case when this flag is equal to 1
xWriteRbspTrailingBits();
}
void HLSWriter::codeAlfAps( APS* pcAPS )
{
AlfParam param = pcAPS->getAlfAPSParam();
WRITE_FLAG(param.newFilterFlag[CHANNEL_TYPE_LUMA], "alf_luma_new_filter");
WRITE_FLAG(param.newFilterFlag[CHANNEL_TYPE_CHROMA], "alf_chroma_new_filter");
if (param.newFilterFlag[CHANNEL_TYPE_LUMA])
{
#if JVET_O0090_ALF_CHROMA_FILTER_ALTERNATIVES_CTB
WRITE_FLAG( param.nonLinearFlag[CHANNEL_TYPE_LUMA][0], "alf_luma_clip" );
#else
WRITE_FLAG( param.nonLinearFlag[CHANNEL_TYPE_LUMA], "alf_luma_clip" );
#endif
xWriteTruncBinCode(param.numLumaFilters - 1, MAX_NUM_ALF_CLASSES); //number_of_filters_minus1
if (param.numLumaFilters > 1)
{
for (int i = 0; i < MAX_NUM_ALF_CLASSES; i++)
{
xWriteTruncBinCode((uint32_t)param.filterCoeffDeltaIdx[i], param.numLumaFilters); //filter_coeff_delta[i]
}
}
#if !JVET_O0669_REMOVE_ALF_COEFF_PRED
WRITE_FLAG(param.fixedFilterSetIndex > 0 ? 1 : 0, "fixed_filter_set_flag");
if (param.fixedFilterSetIndex > 0)
{
xWriteTruncBinCode(param.fixedFilterSetIndex - 1, NUM_FIXED_FILTER_SETS);
WRITE_FLAG(param.fixedFilterPattern, "fixed_filter_flag_pattern");
for (int classIdx = 0; classIdx < MAX_NUM_ALF_CLASSES; classIdx++)
{
if (param.fixedFilterPattern > 0)
{
WRITE_FLAG(param.fixedFilterIdx[classIdx], "fixed_filter_flag");
}
else
{
CHECK(param.fixedFilterIdx[classIdx] != 1, "Disabled fixed filter");
}
}
}
#endif
#if JVET_O0090_ALF_CHROMA_FILTER_ALTERNATIVES_CTB
alfFilter(param, false, 0);
#else
alfFilter(param, false);
#endif
}
if (param.newFilterFlag[CHANNEL_TYPE_CHROMA])
{
#if JVET_O0090_ALF_CHROMA_FILTER_ALTERNATIVES_CTB
if( MAX_NUM_ALF_ALTERNATIVES_CHROMA > 1 )
WRITE_UVLC( param.numAlternativesChroma - 1, "alf_chroma_num_alts_minus1" );
for( int altIdx=0; altIdx < param.numAlternativesChroma; ++altIdx )
{
WRITE_FLAG( param.nonLinearFlag[CHANNEL_TYPE_CHROMA][altIdx], "alf_nonlinear_enable_flag_chroma" );
alfFilter(param, true, altIdx);
}
#else
WRITE_FLAG(param.nonLinearFlag[CHANNEL_TYPE_CHROMA], "alf_chroma_clip");
alfFilter(param, true);
#endif
}
}
void HLSWriter::codeLmcsAps( APS* pcAPS )
{
SliceReshapeInfo param = pcAPS->getReshaperAPSInfo();
WRITE_UVLC(param.reshaperModelMinBinIdx, "lmcs_min_bin_idx");
WRITE_UVLC(PIC_CODE_CW_BINS - 1 - param.reshaperModelMaxBinIdx, "lmcs_delta_max_bin_idx");
assert(param.maxNbitsNeededDeltaCW > 0);
WRITE_UVLC(param.maxNbitsNeededDeltaCW - 1, "lmcs_delta_cw_prec_minus1");
for (int i = param.reshaperModelMinBinIdx; i <= param.reshaperModelMaxBinIdx; i++)
{
int deltaCW = param.reshaperModelBinCWDelta[i];
int signCW = (deltaCW < 0) ? 1 : 0;
int absCW = (deltaCW < 0) ? (-deltaCW) : deltaCW;
WRITE_CODE(absCW, param.maxNbitsNeededDeltaCW, "lmcs_delta_abs_cw[ i ]");
if (absCW > 0)
{
WRITE_FLAG(signCW, "lmcs_delta_sign_cw_flag[ i ]");
}
}
}
void HLSWriter::codeVUI( const VUI *pcVUI, const SPS* pcSPS )
{
#if ENABLE_TRACING
DTRACE( g_trace_ctx, D_HEADER, "----------- vui_parameters -----------\n");
#endif
WRITE_FLAG(pcVUI->getAspectRatioInfoPresentFlag(), "aspect_ratio_info_present_flag");
if (pcVUI->getAspectRatioInfoPresentFlag())
{
WRITE_CODE(pcVUI->getAspectRatioIdc(), 8, "aspect_ratio_idc" );
if (pcVUI->getAspectRatioIdc() == 255)
{
WRITE_CODE(pcVUI->getSarWidth(), 16, "sar_width");
WRITE_CODE(pcVUI->getSarHeight(), 16, "sar_height");
}
}
WRITE_FLAG(pcVUI->getColourDescriptionPresentFlag(), "colour_description_present_flag");
if (pcVUI->getColourDescriptionPresentFlag())
{
WRITE_CODE(pcVUI->getColourPrimaries(), 8, "colour_primaries");
WRITE_CODE(pcVUI->getTransferCharacteristics(), 8, "transfer_characteristics");
WRITE_CODE(pcVUI->getMatrixCoefficients(), 8, "matrix_coeffs");
}
WRITE_FLAG(pcVUI->getFieldSeqFlag(), "field_seq_flag");
WRITE_FLAG(pcVUI->getChromaLocInfoPresentFlag(), "chroma_loc_info_present_flag");
if (pcVUI->getChromaLocInfoPresentFlag())
{
if(pcVUI->getFieldSeqFlag())
{
WRITE_UVLC(pcVUI->getChromaSampleLocTypeTopField(), "chroma_sample_loc_type_top_field");
WRITE_UVLC(pcVUI->getChromaSampleLocTypeBottomField(), "chroma_sample_loc_type_bottom_field");
}
else
{
WRITE_UVLC(pcVUI->getChromaSampleLocType(), "chroma_sample_loc_type");
}
}
WRITE_FLAG(pcVUI->getOverscanInfoPresentFlag(), "overscan_info_present_flag");
if (pcVUI->getOverscanInfoPresentFlag())
{
WRITE_FLAG(pcVUI->getOverscanAppropriateFlag(), "overscan_appropriate_flag");
}
WRITE_FLAG(pcVUI->getVideoSignalTypePresentFlag(), "video_signal_type_present_flag");
if (pcVUI->getVideoSignalTypePresentFlag())
{
WRITE_FLAG(pcVUI->getVideoFullRangeFlag(), "video_full_range_flag");
}
}
void HLSWriter::codeHrdParameters( const HRDParameters *hrd, bool commonInfPresentFlag, uint32_t maxNumSubLayersMinus1 )
{
if( commonInfPresentFlag )
{
WRITE_FLAG( hrd->getNalHrdParametersPresentFlag() ? 1 : 0 , "nal_hrd_parameters_present_flag" );
WRITE_FLAG( hrd->getVclHrdParametersPresentFlag() ? 1 : 0 , "vcl_hrd_parameters_present_flag" );
if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() )
{
WRITE_FLAG( hrd->getSubPicCpbParamsPresentFlag() ? 1 : 0, "sub_pic_hrd_params_present_flag" );
if( hrd->getSubPicCpbParamsPresentFlag() )
{
WRITE_CODE( hrd->getTickDivisorMinus2(), 8, "tick_divisor_minus2" );
WRITE_CODE( hrd->getDuCpbRemovalDelayLengthMinus1(), 5, "du_cpb_removal_delay_increment_length_minus1" );
WRITE_FLAG( hrd->getSubPicCpbParamsInPicTimingSEIFlag() ? 1 : 0, "sub_pic_cpb_params_in_pic_timing_sei_flag" );
WRITE_CODE( hrd->getDpbOutputDelayDuLengthMinus1(), 5, "dpb_output_delay_du_length_minus1" );
}
WRITE_CODE( hrd->getBitRateScale(), 4, "bit_rate_scale" );
WRITE_CODE( hrd->getCpbSizeScale(), 4, "cpb_size_scale" );
if( hrd->getSubPicCpbParamsPresentFlag() )
{
WRITE_CODE( hrd->getDuCpbSizeScale(), 4, "du_cpb_size_scale" );
}
WRITE_CODE( hrd->getInitialCpbRemovalDelayLengthMinus1(), 5, "initial_cpb_removal_delay_length_minus1" );
WRITE_CODE( hrd->getCpbRemovalDelayLengthMinus1(), 5, "au_cpb_removal_delay_length_minus1" );
WRITE_CODE( hrd->getDpbOutputDelayLengthMinus1(), 5, "dpb_output_delay_length_minus1" );
}
}
int i, j, nalOrVcl;
for( i = 0; i <= maxNumSubLayersMinus1; i ++ )
{
WRITE_FLAG( hrd->getFixedPicRateFlag( i ) ? 1 : 0, "fixed_pic_rate_general_flag");
bool fixedPixRateWithinCvsFlag = true;
if( !hrd->getFixedPicRateFlag( i ) )
{
fixedPixRateWithinCvsFlag = hrd->getFixedPicRateWithinCvsFlag( i );
WRITE_FLAG( hrd->getFixedPicRateWithinCvsFlag( i ) ? 1 : 0, "fixed_pic_rate_within_cvs_flag");
}
if( fixedPixRateWithinCvsFlag )
{
WRITE_UVLC( hrd->getPicDurationInTcMinus1( i ), "elemental_duration_in_tc_minus1");
}
else
{
WRITE_FLAG( hrd->getLowDelayHrdFlag( i ) ? 1 : 0, "low_delay_hrd_flag");
}
if (!hrd->getLowDelayHrdFlag( i ))
{
WRITE_UVLC( hrd->getCpbCntMinus1( i ), "cpb_cnt_minus1");
}
for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
{
if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) ||
( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
{
for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ )
{
WRITE_UVLC( hrd->getBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_value_minus1");
WRITE_UVLC( hrd->getCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_value_minus1");
if( hrd->getSubPicCpbParamsPresentFlag() )
{
WRITE_UVLC( hrd->getDuCpbSizeValueMinus1( i, j, nalOrVcl ), "cpb_size_du_value_minus1");
WRITE_UVLC( hrd->getDuBitRateValueMinus1( i, j, nalOrVcl ), "bit_rate_du_value_minus1");
}
WRITE_FLAG( hrd->getCbrFlag( i, j, nalOrVcl ) ? 1 : 0, "cbr_flag");
}
}
}
}
}
void HLSWriter::codeSPS( const SPS* pcSPS )
{
#if ENABLE_TRACING
xTraceSPSHeader ();
#endif
WRITE_CODE( pcSPS->getDecodingParameterSetId (), 4, "sps_decoding_parameter_set_id" );
CHECK(pcSPS->getMaxTLayers() == 0, "Maximum number of temporal sub-layers is '0'");
WRITE_CODE(pcSPS->getMaxTLayers() - 1, 3, "sps_max_sub_layers_minus1");
WRITE_CODE(0, 5, "sps_reserved_zero_5bits");
codeProfileTierLevel( pcSPS->getProfileTierLevel(), pcSPS->getMaxTLayers() - 1 );
WRITE_UVLC(pcSPS->getSPSId (), "sps_seq_parameter_set_id");
WRITE_UVLC( int(pcSPS->getChromaFormatIdc ()), "chroma_format_idc" );
const ChromaFormat format = pcSPS->getChromaFormatIdc();
if( format == CHROMA_444 )
{
WRITE_FLAG( 0, "separate_colour_plane_flag");
}
WRITE_UVLC( pcSPS->getPicWidthInLumaSamples (), "pic_width_in_luma_samples" );
WRITE_UVLC( pcSPS->getPicHeightInLumaSamples(), "pic_height_in_luma_samples" );
Window conf = pcSPS->getConformanceWindow();
// KJS: not removing yet
WRITE_FLAG( conf.getWindowEnabledFlag(), "conformance_window_flag" );
if (conf.getWindowEnabledFlag())
{
WRITE_UVLC( conf.getWindowLeftOffset() / SPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_left_offset" );
WRITE_UVLC( conf.getWindowRightOffset() / SPS::getWinUnitX(pcSPS->getChromaFormatIdc() ), "conf_win_right_offset" );
WRITE_UVLC( conf.getWindowTopOffset() / SPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_top_offset" );
WRITE_UVLC( conf.getWindowBottomOffset() / SPS::getWinUnitY(pcSPS->getChromaFormatIdc() ), "conf_win_bottom_offset" );
}
WRITE_UVLC( pcSPS->getBitDepth(CHANNEL_TYPE_LUMA) - 8, "bit_depth_luma_minus8" );
const bool chromaEnabled = isChromaEnabled(format);
WRITE_UVLC( chromaEnabled ? (pcSPS->getBitDepth(CHANNEL_TYPE_CHROMA) - 8):0, "bit_depth_chroma_minus8" );
#if JVET_O0919_TS_MIN_QP
WRITE_UVLC( pcSPS->getMinQpPrimeTsMinus4(CHANNEL_TYPE_LUMA), "min_qp_prime_ts_minus4" );
#endif
WRITE_UVLC( pcSPS->getBitsForPOC()-4, "log2_max_pic_order_cnt_lsb_minus4" );
WRITE_FLAG( pcSPS->getIDRRefParamListPresent(), "sps_idr_rpl_present_flag" );
// KJS: Marakech decision: sub-layers added back
const bool subLayerOrderingInfoPresentFlag = 1;
WRITE_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag");
for(uint32_t i=0; i <= pcSPS->getMaxTLayers()-1; i++)
{
WRITE_UVLC( pcSPS->getMaxDecPicBuffering(i) - 1, "sps_max_dec_pic_buffering_minus1[i]" );
WRITE_UVLC( pcSPS->getNumReorderPics(i), "sps_max_num_reorder_pics[i]" );
WRITE_UVLC( pcSPS->getMaxLatencyIncreasePlus1(i), "sps_max_latency_increase_plus1[i]" );
if (!subLayerOrderingInfoPresentFlag)
{
break;
}
}
CHECK( pcSPS->getMaxCUWidth() != pcSPS->getMaxCUHeight(), "Rectangular CTUs not supported" );
WRITE_FLAG(pcSPS->getLongTermRefsPresent() ? 1 : 0, "long_term_ref_pics_flag");
WRITE_FLAG(pcSPS->getRPL1CopyFromRPL0Flag() ? 1 : 0, "rpl1_copy_from_rpl0_flag");
const RPLList* rplList0 = pcSPS->getRPLList0();
const RPLList* rplList1 = pcSPS->getRPLList1();
//Write candidate for List0
uint32_t numberOfRPL = pcSPS->getNumRPL0();
WRITE_UVLC(numberOfRPL, "num_ref_pic_lists_in_sps[0]");
for (int ii = 0; ii < numberOfRPL; ii++)
{
const ReferencePictureList* rpl = rplList0->getReferencePictureList(ii);
#if JVET_O0244_DELTA_POC
xCodeRefPicList( rpl, pcSPS->getLongTermRefsPresent(), pcSPS->getBitsForPOC(), !pcSPS->getUseWP() && !pcSPS->getUseWPBiPred() );
#else
xCodeRefPicList(rpl, pcSPS->getLongTermRefsPresent(), pcSPS->getBitsForPOC());
#endif
}
//Write candidate for List1
if (!pcSPS->getRPL1CopyFromRPL0Flag())
{
numberOfRPL = pcSPS->getNumRPL1();
WRITE_UVLC(numberOfRPL, "num_ref_pic_lists_in_sps[1]");
for (int ii = 0; ii < numberOfRPL; ii++)
{
const ReferencePictureList* rpl = rplList1->getReferencePictureList(ii);
#if JVET_O0244_DELTA_POC
xCodeRefPicList( rpl, pcSPS->getLongTermRefsPresent(), pcSPS->getBitsForPOC(), !pcSPS->getUseWP() && !pcSPS->getUseWPBiPred() );
#else
xCodeRefPicList(rpl, pcSPS->getLongTermRefsPresent(), pcSPS->getBitsForPOC());
#endif
}
}
WRITE_FLAG(pcSPS->getUseDualITree(), "qtbtt_dual_tree_intra_flag");
#if JVET_O0526_MIN_CTU_SIZE
WRITE_CODE(g_aucLog2[pcSPS->getCTUSize()] - 5, 2, "log2_ctu_size_minus5");
#else
WRITE_UVLC(g_aucLog2[pcSPS->getCTUSize()] - MIN_CU_LOG2, "log2_ctu_size_minus2");
#endif
WRITE_UVLC(pcSPS->getLog2MinCodingBlockSize() - 2, "log2_min_luma_coding_block_size_minus2");
WRITE_FLAG(pcSPS->getSplitConsOverrideEnabledFlag(), "partition_constraints_override_enabled_flag");
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(I_SLICE)] - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_tile_group_luma");
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(B_SLICE)] - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_inter_tile_group");
WRITE_UVLC(pcSPS->getMaxBTDepth(), "sps_max_mtt_hierarchy_depth_inter_tile_group");
WRITE_UVLC(pcSPS->getMaxBTDepthI(), "sps_max_mtt_hierarchy_depth_intra_tile_group_luma");
if (pcSPS->getMaxBTDepthI() != 0)
{
WRITE_UVLC(g_aucLog2[pcSPS->getMaxBTSizeI()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE)], "sps_log2_diff_max_bt_min_qt_intra_tile_group_luma");
WRITE_UVLC(g_aucLog2[pcSPS->getMaxTTSizeI()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE)], "sps_log2_diff_max_tt_min_qt_intra_tile_group_luma");
}
if (pcSPS->getMaxBTDepth() != 0)
{
WRITE_UVLC(g_aucLog2[pcSPS->getMaxBTSize()] - g_aucLog2[pcSPS->getMinQTSize(B_SLICE)], "sps_log2_diff_max_bt_min_qt_inter_tile_group");
WRITE_UVLC(g_aucLog2[pcSPS->getMaxTTSize()] - g_aucLog2[pcSPS->getMinQTSize(B_SLICE)], "sps_log2_diff_max_tt_min_qt_inter_tile_group");
}
if (pcSPS->getUseDualITree())
{
WRITE_UVLC(g_aucLog2[pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)] - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_tile_group_chroma");
WRITE_UVLC(pcSPS->getMaxBTDepthIChroma(), "sps_max_mtt_hierarchy_depth_intra_tile_group_chroma");
if (pcSPS->getMaxBTDepthIChroma() != 0)
{
WRITE_UVLC(g_aucLog2[pcSPS->getMaxBTSizeIChroma()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)], "sps_log2_diff_max_bt_min_qt_intra_tile_group_chroma");
WRITE_UVLC(g_aucLog2[pcSPS->getMaxTTSizeIChroma()] - g_aucLog2[pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)], "sps_log2_diff_max_tt_min_qt_intra_tile_group_chroma");
}
}
#if MAX_TB_SIZE_SIGNALLING
#if JVET_O0545_MAX_TB_SIGNALLING
WRITE_FLAG( (pcSPS->getLog2MaxTbSize() - 5) ? 1 : 0, "sps_max_luma_transform_size_64_flag" );
#else
// KJS: Not in syntax
WRITE_UVLC( pcSPS->getLog2MaxTbSize() - 2, "log2_max_luma_transform_block_size_minus2" );
#endif
#endif
#if JVET_O0650_SIGNAL_CHROMAQP_MAPPING_TABLE
if (pcSPS->getChromaFormatIdc() != CHROMA_400)
{
const ChromaQpMappingTable& chromaQpMappingTable = pcSPS->getChromaQpMappingTable();
WRITE_FLAG(chromaQpMappingTable.getSameCQPTableForAllChromaFlag(), "same_qp_table_for_chroma");
for (int i = 0; i < (chromaQpMappingTable.getSameCQPTableForAllChromaFlag() ? 1 : 3); i++)
{
WRITE_UVLC(chromaQpMappingTable.getNumPtsInCQPTableMinus1(i), "num_points_in_qp_table_minus1");
for (int j = 0; j <= chromaQpMappingTable.getNumPtsInCQPTableMinus1(i); j++)
{
WRITE_UVLC(chromaQpMappingTable.getDeltaQpInValMinus1(i,j), "delta_qp_in_val_minus1");
WRITE_UVLC(chromaQpMappingTable.getDeltaQpOutVal(i, j), "delta_qp_out_val");
}
}
}
#endif
#if JVET_O0244_DELTA_POC
WRITE_FLAG( pcSPS->getUseWP() ? 1 : 0, "sps_weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE)
WRITE_FLAG( pcSPS->getUseWPBiPred() ? 1 : 0, "sps_weighted_bipred_flag" ); // Use of Weighting Bi-Prediction (B_SLICE)
#endif
WRITE_FLAG( pcSPS->getSAOEnabledFlag(), "sps_sao_enabled_flag");
WRITE_FLAG( pcSPS->getALFEnabledFlag(), "sps_alf_enabled_flag" );
WRITE_FLAG( pcSPS->getPCMEnabledFlag() ? 1 : 0, "sps_pcm_enabled_flag");
if( pcSPS->getPCMEnabledFlag() )
{
WRITE_CODE( pcSPS->getPCMBitDepth(CHANNEL_TYPE_LUMA) - 1, 4, "pcm_sample_bit_depth_luma_minus1" );
WRITE_CODE( chromaEnabled ? (pcSPS->getPCMBitDepth(CHANNEL_TYPE_CHROMA) - 1) : 0, 4, "pcm_sample_bit_depth_chroma_minus1" );
WRITE_UVLC( pcSPS->getPCMLog2MinSize() - 3, "log2_min_pcm_luma_coding_block_size_minus3" );
WRITE_UVLC( pcSPS->getPCMLog2MaxSize() - pcSPS->getPCMLog2MinSize(), "log2_diff_max_min_pcm_luma_coding_block_size" );
WRITE_FLAG( pcSPS->getPCMFilterDisableFlag()?1 : 0, "pcm_loop_filter_disable_flag");
}
#if JVET_O1136_TS_BDPCM_SIGNALLING
WRITE_FLAG(pcSPS->getTransformSkipEnabledFlag() ? 1 : 0, "sps_transform_skip_enabled_flag");
if (pcSPS->getTransformSkipEnabledFlag())
{
WRITE_FLAG(pcSPS->getBDPCMEnabledFlag() ? 1 : 0, "sps_bdpcm_enabled_flag");
}
#endif
#if JVET_O0376_SPS_JOINTCBCR_FLAG
WRITE_FLAG( pcSPS->getJointCbCrEnabledFlag(), "sps_joint_cbcr_enabled_flag");
#endif
if( pcSPS->getCTUSize() + 2*(1 << pcSPS->getLog2MinCodingBlockSize()) <= pcSPS->getPicWidthInLumaSamples() )
{
WRITE_FLAG( pcSPS->getWrapAroundEnabledFlag() ? 1 : 0, "sps_ref_wraparound_enabled_flag" );
if( pcSPS->getWrapAroundEnabledFlag() )
{
WRITE_UVLC( (pcSPS->getWrapAroundOffset()/(1 << pcSPS->getLog2MinCodingBlockSize()))-1, "sps_ref_wraparound_offset_minus1" );
}
}
WRITE_FLAG( pcSPS->getSPSTemporalMVPEnabledFlag() ? 1 : 0, "sps_temporal_mvp_enabled_flag" );
if ( pcSPS->getSPSTemporalMVPEnabledFlag() )
{
WRITE_FLAG( pcSPS->getSBTMVPEnabledFlag() ? 1 : 0, "sps_sbtmvp_enabled_flag");
}
WRITE_FLAG( pcSPS->getAMVREnabledFlag() ? 1 : 0, "sps_amvr_enabled_flag" );
WRITE_FLAG( pcSPS->getBDOFEnabledFlag() ? 1 : 0, "sps_bdof_enabled_flag" );
#if !JVET_O0438_SPS_AFFINE_AMVR_FLAG
WRITE_FLAG( pcSPS->getAffineAmvrEnabledFlag() ? 1 : 0, "sps_affine_amvr_enabled_flag" );
#endif
WRITE_FLAG( pcSPS->getUseDMVR() ? 1 : 0, "sps_dmvr_enable_flag" );
WRITE_FLAG(pcSPS->getUseMMVD() ? 1 : 0, "sps_mmvd_enable_flag");
// KJS: sps_cclm_enabled_flag
WRITE_FLAG( pcSPS->getUseLMChroma() ? 1 : 0, "lm_chroma_enabled_flag" );
if ( pcSPS->getUseLMChroma() && pcSPS->getChromaFormatIdc() == CHROMA_420 )
{
WRITE_FLAG( pcSPS->getCclmCollocatedChromaFlag() ? 1 : 0, "sps_cclm_collocated_chroma_flag" );
}
WRITE_FLAG( pcSPS->getUseMTS() ? 1 : 0, "mts_enabled_flag" );
if ( pcSPS->getUseMTS() )
{
WRITE_FLAG( pcSPS->getUseIntraMTS() ? 1 : 0, "mts_intra_enabled_flag" );
WRITE_FLAG( pcSPS->getUseInterMTS() ? 1 : 0, "mts_inter_enabled_flag" );
}
WRITE_FLAG( pcSPS->getUseLFNST() ? 1 : 0, "lfnst_enabled_flag" );
WRITE_FLAG( pcSPS->getUseSMVD() ? 1 : 0, "smvd_flag" );
// KJS: sps_affine_enabled_flag
WRITE_FLAG( pcSPS->getUseAffine() ? 1 : 0, "affine_flag" );
if ( pcSPS->getUseAffine() )
{
WRITE_FLAG( pcSPS->getUseAffineType() ? 1 : 0, "affine_type_flag" );
#if JVET_O0070_PROF
WRITE_FLAG( pcSPS->getUsePROF() ? 1 : 0, "sps_prof_enabled_flag" );
#endif
#if JVET_O0438_SPS_AFFINE_AMVR_FLAG
WRITE_FLAG( pcSPS->getAffineAmvrEnabledFlag() ? 1 : 0, "sps_affine_amvr_enabled_flag" );
#endif
}
WRITE_FLAG( pcSPS->getUseGBi() ? 1 : 0, "gbi_flag" );
#if JVET_O0119_BASE_PALETTE_444
if (pcSPS->getChromaFormatIdc() == CHROMA_444)
{
WRITE_FLAG(pcSPS->getPLTMode() ? 1 : 0, "plt_flag");
}
#endif
WRITE_FLAG(pcSPS->getIBCFlag() ? 1 : 0, "ibc_flag");
// KJS: sps_ciip_enabled_flag
WRITE_FLAG( pcSPS->getUseMHIntra() ? 1 : 0, "mhintra_flag" );
if ( pcSPS->getUseMMVD() )
{
WRITE_FLAG( pcSPS->getFpelMmvdEnabledFlag() ? 1 : 0, "sps_fpel_mmvd_enabled_flag" );
}
#if JVET_O1140_SLICE_DISABLE_BDOF_DMVR_FLAG
if(pcSPS->getBDOFEnabledFlag() || pcSPS->getUseDMVR())
{
WRITE_FLAG(pcSPS->getBdofDmvrSlicePresentFlag() ? 1 : 0, "sps_bdof_dmvr_slice_level_present_flag");
}
#endif
WRITE_FLAG( pcSPS->getUseTriangle() ? 1: 0, "triangle_flag" );
WRITE_FLAG( pcSPS->getUseMIP() ? 1: 0, "sps_mip_flag" );
// KJS: not in draft yet
WRITE_FLAG( pcSPS->getUseSBT() ? 1 : 0, "sbt_enable_flag");
if( pcSPS->getUseSBT() )
{
WRITE_FLAG(pcSPS->getMaxSbtSize() == 64 ? 1 : 0, "max_sbt_size_64_flag");
}
// KJS: not in draft yet
WRITE_FLAG(pcSPS->getUseReshaper() ? 1 : 0, "sps_reshaper_enable_flag");
WRITE_FLAG( pcSPS->getUseISP() ? 1 : 0, "isp_enable_flag");
#if LUMA_ADAPTIVE_DEBLOCKING_FILTER_QP_OFFSET
WRITE_FLAG( pcSPS->getLadfEnabled() ? 1 : 0, "sps_ladf_enabled_flag" );
if ( pcSPS->getLadfEnabled() )
{
WRITE_CODE( pcSPS->getLadfNumIntervals() - 2, 2, "sps_num_ladf_intervals_minus2" );
WRITE_SVLC( pcSPS->getLadfQpOffset( 0 ), "sps_ladf_lowest_interval_qp_offset");
for ( int k = 1; k< pcSPS->getLadfNumIntervals(); k++ )
{
WRITE_SVLC( pcSPS->getLadfQpOffset( k ), "sps_ladf_qp_offset" );
WRITE_UVLC( pcSPS->getLadfIntervalLowerBound( k ) - pcSPS->getLadfIntervalLowerBound( k - 1 ) - 1, "sps_ladf_delta_threshold_minus1" );
}
}
#endif
// KJS: reference picture sets to be replaced
// KJS: remove scaling lists?
WRITE_FLAG( pcSPS->getScalingListFlag() ? 1 : 0, "scaling_list_enabled_flag" );
if(pcSPS->getScalingListFlag())
{
WRITE_FLAG( pcSPS->getScalingListPresentFlag() ? 1 : 0, "sps_scaling_list_data_present_flag" );
if(pcSPS->getScalingListPresentFlag())
{
codeScalingList( pcSPS->getScalingList() );
}
}
const TimingInfo *timingInfo = pcSPS->getTimingInfo();
WRITE_FLAG(timingInfo->getTimingInfoPresentFlag(), "timing_info_present_flag");
if(timingInfo->getTimingInfoPresentFlag())
{
WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "num_units_in_tick");
WRITE_CODE(timingInfo->getTimeScale(), 32, "time_scale");
WRITE_FLAG(pcSPS->getHrdParametersPresentFlag(), "hrd_parameters_present_flag");
if( pcSPS->getHrdParametersPresentFlag() )
{
codeHrdParameters(pcSPS->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 );
}
}
WRITE_FLAG( pcSPS->getVuiParametersPresentFlag(), "vui_parameters_present_flag" );
if (pcSPS->getVuiParametersPresentFlag())
{
codeVUI(pcSPS->getVuiParameters(), pcSPS);
}
bool sps_extension_present_flag=false;
bool sps_extension_flags[NUM_SPS_EXTENSION_FLAGS]={false};
sps_extension_flags[SPS_EXT__REXT] = pcSPS->getSpsRangeExtension().settingsDifferFromDefaults();
// Other SPS extension flags checked here.
for(int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++)
{
sps_extension_present_flag|=sps_extension_flags[i];
}
WRITE_FLAG( (sps_extension_present_flag?1:0), "sps_extension_present_flag" );
if (sps_extension_present_flag)
{
#if ENABLE_TRACING /*|| RExt__DECODER_DEBUG_BIT_STATISTICS*/
static const char *syntaxStrings[]={ "sps_range_extension_flag",
"sps_multilayer_extension_flag",
"sps_extension_6bits[0]",
"sps_extension_6bits[1]",
"sps_extension_6bits[2]",
"sps_extension_6bits[3]",
"sps_extension_6bits[4]",
"sps_extension_6bits[5]" };
#endif
for(int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++)
{
WRITE_FLAG( sps_extension_flags[i]?1:0, syntaxStrings[i] );
}
for(int i=0; i<NUM_SPS_EXTENSION_FLAGS; i++) // loop used so that the order is determined by the enum.
{
if (sps_extension_flags[i])
{
switch (SPSExtensionFlagIndex(i))
{
case SPS_EXT__REXT:
{
const SPSRExt &spsRangeExtension=pcSPS->getSpsRangeExtension();
WRITE_FLAG( (spsRangeExtension.getTransformSkipRotationEnabledFlag() ? 1 : 0), "transform_skip_rotation_enabled_flag");
WRITE_FLAG( (spsRangeExtension.getTransformSkipContextEnabledFlag() ? 1 : 0), "transform_skip_context_enabled_flag");
WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_IMPLICIT) ? 1 : 0), "implicit_rdpcm_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getRdpcmEnabledFlag(RDPCM_SIGNAL_EXPLICIT) ? 1 : 0), "explicit_rdpcm_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getExtendedPrecisionProcessingFlag() ? 1 : 0), "extended_precision_processing_flag" );
WRITE_FLAG( (spsRangeExtension.getIntraSmoothingDisabledFlag() ? 1 : 0), "intra_smoothing_disabled_flag" );
WRITE_FLAG( (spsRangeExtension.getHighPrecisionOffsetsEnabledFlag() ? 1 : 0), "high_precision_offsets_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getPersistentRiceAdaptationEnabledFlag() ? 1 : 0), "persistent_rice_adaptation_enabled_flag" );
WRITE_FLAG( (spsRangeExtension.getCabacBypassAlignmentEnabledFlag() ? 1 : 0), "cabac_bypass_alignment_enabled_flag" );
break;
}
default:
CHECK(sps_extension_flags[i]!=false, "Unknown PPS extension signalled"); // Should never get here with an active SPS extension flag.
break;
}
}
}
}
xWriteRbspTrailingBits();
}
void HLSWriter::codeDPS( const DPS* dps )
{
#if ENABLE_TRACING
xTraceDPSHeader();
#endif
WRITE_CODE( dps->getDecodingParameterSetId(), 4, "dps_decoding_parameter_set_id" );
WRITE_CODE( dps->getMaxSubLayersMinus1(), 3, "dps_max_sub_layers_minus1" );
WRITE_FLAG( 0, "dps_reserved_zero_bit" );
ProfileTierLevel ptl = dps->getProfileTierLevel();
codeProfileTierLevel( &ptl, dps->getMaxSubLayersMinus1() );
WRITE_FLAG( 0, "dps_extension_flag" );
xWriteRbspTrailingBits();
}
void HLSWriter::codeVPS(const VPS* pcVPS)
{
#if ENABLE_TRACING
xTraceVPSHeader();
#endif
WRITE_CODE(pcVPS->getVPSId(), 4, "vps_video_parameter_set_id");
WRITE_CODE(pcVPS->getMaxLayers() - 1, 8, "vps_max_layers_minus1");
for (uint32_t i = 0; i <= pcVPS->getMaxLayers() - 1; i++)
{
WRITE_CODE(pcVPS->getVPSIncludedLayerId(i), 7, "vps_included_layer_id");
WRITE_FLAG(0, "vps_reserved_zero_1bit");
}
WRITE_FLAG(0, "vps_extension_flag");
//future extensions here..
xWriteRbspTrailingBits();
}
void HLSWriter::codeSliceHeader ( Slice* pcSlice )
{
#if ENABLE_TRACING
xTraceSliceHeader ();
#endif
CodingStructure& cs = *pcSlice->getPic()->cs;
const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc();
const uint32_t numberValidComponents = getNumberValidComponents(format);
const bool chromaEnabled = isChromaEnabled(format);
if ( pcSlice->getRapPicFlag() )
{
WRITE_FLAG( pcSlice->getNoOutputPriorPicsFlag() ? 1 : 0, "no_output_of_prior_pics_flag" );
}
WRITE_UVLC( pcSlice->getPPS()->getPPSId(), "slice_pic_parameter_set_id" );
int bitsSliceAddress = 1;
if (!pcSlice->getPPS()->getRectSliceFlag())
{
while (pcSlice->getPPS()->getNumBricksInPic() > (1 << bitsSliceAddress))
{
bitsSliceAddress++;
}
}
else
{
if (pcSlice->getPPS()->getSignalledSliceIdFlag())
{
bitsSliceAddress = pcSlice->getPPS()->getSignalledSliceIdLengthMinus1() + 1;
}
else
{
while ((pcSlice->getPPS()->getNumSlicesInPicMinus1() + 1) > (1 << bitsSliceAddress))
{
bitsSliceAddress++;
}
}
}
if (pcSlice->getPPS()->getRectSliceFlag() || pcSlice->getPPS()->getNumBricksInPic() > 1)
{
if (pcSlice->getPPS()->getRectSliceFlag())
{
WRITE_CODE(pcSlice->getPPS()->getSliceId(pcSlice->setSliceIndex()), bitsSliceAddress, "slice_address");
}
else
{
WRITE_CODE(pcSlice->getSliceCurStartBrickIdx(), bitsSliceAddress, "slice_address");
}
}
if (!pcSlice->getPPS()->getRectSliceFlag() && !pcSlice->getPPS()->getSingleBrickPerSliceFlag())
{
WRITE_UVLC(pcSlice->getSliceNumBricks() - 1, "num_bricks_in_slice_minus1");
}
for( int i = 0; i < pcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++ )
{
WRITE_FLAG( 0, "slice_reserved_flag[]" );
}
WRITE_UVLC( pcSlice->getSliceType(), "slice_type" );
if( pcSlice->getPPS()->getOutputFlagPresentFlag() )
{
WRITE_FLAG( pcSlice->getPicOutputFlag() ? 1 : 0, "pic_output_flag" );
}
int pocBits = pcSlice->getSPS()->getBitsForPOC();
int pocMask = (1 << pocBits) - 1;
WRITE_CODE(pcSlice->getPOC() & pocMask, pocBits, "slice_pic_order_cnt_lsb");
if( !pcSlice->getIdrPicFlag() || pcSlice->getSPS()->getIDRRefParamListPresent())
{
//Write L0 related syntax elements
if (pcSlice->getSPS()->getNumRPL0() > 0)
{
WRITE_FLAG(pcSlice->getRPL0idx() != -1 ? 1 : 0, "ref_pic_list_sps_flag[0]");
}
if (pcSlice->getRPL0idx() != -1)
{
if (pcSlice->getSPS()->getNumRPL0() > 1)
{
int numBits = 0;
while ((1 << numBits) < pcSlice->getSPS()->getNumRPL0())
{
numBits++;
}
WRITE_CODE(pcSlice->getRPL0idx(), numBits, "ref_pic_list_idx[0]");
}
}
else
{ //write local RPL0
#if JVET_O0244_DELTA_POC
xCodeRefPicList( pcSlice->getRPL0(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC(), !pcSlice->getSPS()->getUseWP() && !pcSlice->getSPS()->getUseWPBiPred() );
#else
xCodeRefPicList(pcSlice->getRPL0(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC());
#endif
}
//Deal POC Msb cycle signalling for LTRP
if (pcSlice->getRPL0()->getNumberOfLongtermPictures())
{
for (int i = 0; i < pcSlice->getRPL0()->getNumberOfLongtermPictures() + pcSlice->getRPL0()->getNumberOfShorttermPictures(); i++)
{
if (pcSlice->getRPL0()->isRefPicLongterm(i))
{
WRITE_FLAG(pcSlice->getLocalRPL0()->getDeltaPocMSBPresentFlag(i) ? 1 : 0, "delta_poc_msb_present_flag[i][j]");
if (pcSlice->getLocalRPL0()->getDeltaPocMSBPresentFlag(i))
{
WRITE_UVLC(pcSlice->getLocalRPL0()->getDeltaPocMSBCycleLT(i), "delta_poc_msb_cycle_lt[i][j]");
}
}
}
}
//Write L1 related syntax elements
if (!pcSlice->getPPS()->getRpl1IdxPresentFlag())
{
CHECK(pcSlice->getRPL1idx() != pcSlice->getRPL0idx(), "RPL1Idx is not signalled but it is not the same as RPL0Idx");
if (pcSlice->getRPL1idx() == -1)
{ //write local RPL1
#if JVET_O0244_DELTA_POC
xCodeRefPicList( pcSlice->getRPL1(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC(), !pcSlice->getSPS()->getUseWP() && !pcSlice->getSPS()->getUseWPBiPred() );
#else
xCodeRefPicList(pcSlice->getRPL1(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC());
#endif
}
}
else
{
if (pcSlice->getSPS()->getNumRPL1() > 0)
{
WRITE_FLAG(pcSlice->getRPL1idx() != -1 ? 1 : 0, "ref_pic_list_sps_flag[1]");
}
if (pcSlice->getRPL1idx() != -1)
{
if (pcSlice->getSPS()->getNumRPL1() > 1)
{
int numBits = 0;
while ((1 << numBits) < pcSlice->getSPS()->getNumRPL1())
{
numBits++;
}
WRITE_CODE(pcSlice->getRPL1idx(), numBits, "ref_pic_list_idx[1]");
}
}
else
{ //write local RPL1
#if JVET_O0244_DELTA_POC
xCodeRefPicList( pcSlice->getRPL1(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC(), !pcSlice->getSPS()->getUseWP() && !pcSlice->getSPS()->getUseWPBiPred() );
#else
xCodeRefPicList(pcSlice->getRPL1(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC());
#endif
}
}
//Deal POC Msb cycle signalling for LTRP
if (pcSlice->getRPL1()->getNumberOfLongtermPictures())
{
for (int i = 0; i < pcSlice->getRPL1()->getNumberOfLongtermPictures() + pcSlice->getRPL1()->getNumberOfShorttermPictures(); i++)
{
if (pcSlice->getRPL1()->isRefPicLongterm(i))
{
WRITE_FLAG(pcSlice->getLocalRPL1()->getDeltaPocMSBPresentFlag(i) ? 1 : 0, "delta_poc_msb_present_flag[i][j]");
if (pcSlice->getLocalRPL1()->getDeltaPocMSBPresentFlag(i))
{
WRITE_UVLC(pcSlice->getLocalRPL1()->getDeltaPocMSBCycleLT(i), "delta_poc_msb_cycle_lt[i][j]");
}
}
}
}
if( pcSlice->getSPS()->getSPSTemporalMVPEnabledFlag() )
{
WRITE_FLAG( pcSlice->getEnableTMVPFlag() ? 1 : 0, "slice_temporal_mvp_enabled_flag" );
}
}
if( pcSlice->getSPS()->getSAOEnabledFlag() )
{
WRITE_FLAG( pcSlice->getSaoEnabledFlag( CHANNEL_TYPE_LUMA ), "slice_sao_luma_flag" );
if( chromaEnabled )
{
WRITE_FLAG( pcSlice->getSaoEnabledFlag( CHANNEL_TYPE_CHROMA ), "slice_sao_chroma_flag" );
}
}
if( pcSlice->getSPS()->getALFEnabledFlag() )
{
const int alfEnabled = pcSlice->getTileGroupAlfEnabledFlag(COMPONENT_Y);
WRITE_FLAG(alfEnabled, "tile_group_alf_enabled_flag");
if (alfEnabled)
{
#if JVET_O0288_UNIFY_ALF_SLICE_TYPE_REMOVAL
#if JVET_O_MAX_NUM_ALF_APS_8
WRITE_CODE(pcSlice->getTileGroupNumAps(), 3, "tile_group_num_aps");
#else
xWriteTruncBinCode(pcSlice->getTileGroupNumAps(), ALF_CTB_MAX_NUM_APS + 1);
#endif
#else
if (pcSlice->isIntra())
{
WRITE_FLAG(pcSlice->getTileGroupNumAps(), "tile_group_num_APS");
}
else
{
#if JVET_O_MAX_NUM_ALF_APS_8
WRITE_CODE(pcSlice->getTileGroupNumAps(), 3, "tile_group_num_aps");
#else
xWriteTruncBinCode(pcSlice->getTileGroupNumAps(), ALF_CTB_MAX_NUM_APS + 1);
#endif
}
#endif
const std::vector<int>& apsId = pcSlice->getTileGroupApsIdLuma();
for (int i = 0; i < pcSlice->getTileGroupNumAps(); i++)
{
#if JVET_O_MAX_NUM_ALF_APS_8
WRITE_CODE(apsId[i], 3, "tile_group_aps_id");
#else
WRITE_CODE(apsId[i], 5, "tile_group_aps_id");
#endif
}
const int alfChromaIdc = pcSlice->getTileGroupAlfEnabledFlag(COMPONENT_Cb) + pcSlice->getTileGroupAlfEnabledFlag(COMPONENT_Cr) * 2 ;
#if JVET_O0616_400_CHROMA_SUPPORT
if (chromaEnabled)
{
#endif
truncatedUnaryEqProb(alfChromaIdc, 3); // alf_chroma_idc
#if JVET_O0616_400_CHROMA_SUPPORT
}
#endif
if (alfChromaIdc)
{
#if JVET_O0288_UNIFY_ALF_SLICE_TYPE_REMOVAL
#if JVET_O_MAX_NUM_ALF_APS_8
WRITE_CODE(pcSlice->getTileGroupApsIdChroma(), 3, "tile_group_aps_id_chroma");
#else
WRITE_CODE(pcSlice->getTileGroupApsIdChroma(), 5, "tile_group_aps_id_chroma");
#endif
#else
if (pcSlice->isIntra()&& pcSlice->getTileGroupNumAps() == 1)
{
CHECK(pcSlice->getTileGroupApsIdChroma() != apsId[0], "wrong tile group chroma aps id");
}
else
{
#if JVET_O_MAX_NUM_ALF_APS_8
WRITE_CODE(pcSlice->getTileGroupApsIdChroma(), 3, "tile_group_aps_id_chroma");
#else
WRITE_CODE(pcSlice->getTileGroupApsIdChroma(), 5, "tile_group_aps_id_chroma");
#endif
}
#endif
}
}
}
//check if numrefidxes match the defaults. If not, override
if ((!pcSlice->isIntra() && pcSlice->getRPL0()->getNumRefEntries() > 1) ||
(pcSlice->isInterB() && pcSlice->getRPL1()->getNumRefEntries() > 1) )
{
int defaultL0 = std::min<int>(pcSlice->getRPL0()->getNumRefEntries(), pcSlice->getPPS()->getNumRefIdxL0DefaultActive());
int defaultL1 = pcSlice->isInterB() ? std::min<int>(pcSlice->getRPL1()->getNumRefEntries(), pcSlice->getPPS()->getNumRefIdxL1DefaultActive()) : 0;
bool overrideFlag = ( pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) != defaultL0 || ( pcSlice->isInterB() && pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) != defaultL1 ) );
WRITE_FLAG( overrideFlag ? 1 : 0, "num_ref_idx_active_override_flag" );
if( overrideFlag )
{
if(pcSlice->getRPL0()->getNumRefEntries() > 1)
{
WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) - 1, "num_ref_idx_l0_active_minus1" );
}
else
{
pcSlice->setNumRefIdx( REF_PIC_LIST_0, 1);
}
if( pcSlice->isInterB() && pcSlice->getRPL1()->getNumRefEntries() > 1)
{
WRITE_UVLC( pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) - 1, "num_ref_idx_l1_active_minus1" );
}
else
{
pcSlice->setNumRefIdx( REF_PIC_LIST_1, pcSlice->isInterB() ? 1 : 0);
}
}
else
{
pcSlice->setNumRefIdx( REF_PIC_LIST_0, defaultL0 );
pcSlice->setNumRefIdx( REF_PIC_LIST_1, defaultL1 );
}
}
else
{
pcSlice->setNumRefIdx( REF_PIC_LIST_0, pcSlice->isIntra() ? 0 : 1 );
pcSlice->setNumRefIdx( REF_PIC_LIST_1, pcSlice->isInterB() ? 1 : 0 );
}
if( pcSlice->isInterB() )
{
WRITE_FLAG( pcSlice->getMvdL1ZeroFlag() ? 1 : 0, "mvd_l1_zero_flag" );
}
if( !pcSlice->isIntra() )
{
if( !pcSlice->isIntra() && pcSlice->getPPS()->getCabacInitPresentFlag() )
{
SliceType sliceType = pcSlice->getSliceType();
SliceType encCABACTableIdx = pcSlice->getEncCABACTableIdx();
bool encCabacInitFlag = ( sliceType != encCABACTableIdx && encCABACTableIdx != I_SLICE ) ? true : false;
pcSlice->setCabacInitFlag( encCabacInitFlag );
WRITE_FLAG( encCabacInitFlag ? 1 : 0, "cabac_init_flag" );
}
}
if( pcSlice->getEnableTMVPFlag() )
{
if( pcSlice->getSliceType() == B_SLICE )
{
WRITE_FLAG( pcSlice->getColFromL0Flag(), "collocated_from_l0_flag" );
}
if( pcSlice->getSliceType() != I_SLICE &&
( ( pcSlice->getColFromL0Flag() == 1 && pcSlice->getNumRefIdx( REF_PIC_LIST_0 ) > 1 ) ||
( pcSlice->getColFromL0Flag() == 0 && pcSlice->getNumRefIdx( REF_PIC_LIST_1 ) > 1 ) ) )
{
WRITE_UVLC( pcSlice->getColRefIdx(), "collocated_ref_idx" );
}
}
if( ( pcSlice->getPPS()->getUseWP() && pcSlice->getSliceType() == P_SLICE ) || ( pcSlice->getPPS()->getWPBiPred() && pcSlice->getSliceType() == B_SLICE ) )
{
xCodePredWeightTable( pcSlice );
}
WRITE_FLAG( pcSlice->getDepQuantEnabledFlag() ? 1 : 0, "dep_quant_enabled_flag" );
if( !pcSlice->getDepQuantEnabledFlag() )
{
WRITE_FLAG( pcSlice->getSignDataHidingEnabledFlag() ? 1 : 0, "sign_data_hiding_enabled_flag" );
}
else
{
CHECK( pcSlice->getSignDataHidingEnabledFlag(), "sign data hiding not supported when dependent quantization is enabled" );
}
if (
pcSlice->getSPS()->getSplitConsOverrideEnabledFlag()
)
{
WRITE_FLAG(pcSlice->getSplitConsOverrideFlag() ? 1 : 0, "partition_constrainst_override_flag");
if (pcSlice->getSplitConsOverrideFlag())
{
WRITE_UVLC(g_aucLog2[pcSlice->getMinQTSize()] - pcSlice->getSPS()->getLog2MinCodingBlockSize(), "log2_diff_min_qt_min_cb");
WRITE_UVLC(pcSlice->getMaxBTDepth(), "max_bt_depth");
if (pcSlice->getMaxBTDepth() != 0)
{
CHECK(pcSlice->getMaxBTSize() < pcSlice->getMinQTSize(), "maxBtSize is smaller than minQtSize");
WRITE_UVLC(g_aucLog2[pcSlice->getMaxBTSize()] - g_aucLog2[pcSlice->getMinQTSize()], "log2_diff_max_bt_min_qt");
CHECK(pcSlice->getMaxTTSize() < pcSlice->getMinQTSize(), "maxTtSize is smaller than minQtSize");
WRITE_UVLC(g_aucLog2[pcSlice->getMaxTTSize()] - g_aucLog2[pcSlice->getMinQTSize()], "log2_diff_max_tt_min_qt");
}
if (
pcSlice->isIntra() && pcSlice->getSPS()->getUseDualITree()
)
{
WRITE_UVLC(g_aucLog2[pcSlice->getMinQTSizeIChroma()] - pcSlice->getSPS()->getLog2MinCodingBlockSize(), "log2_diff_min_qt_min_cb_chroma");
WRITE_UVLC(pcSlice->getMaxBTDepthIChroma(), "max_mtt_hierarchy_depth_chroma");
if (pcSlice->getMaxBTDepthIChroma() != 0)
{
CHECK(pcSlice->getMaxBTSizeIChroma() < pcSlice->getMinQTSizeIChroma(), "maxBtSizeC is smaller than minQtSizeC");
WRITE_UVLC(g_aucLog2[pcSlice->getMaxBTSizeIChroma()] - g_aucLog2[pcSlice->getMinQTSizeIChroma()], "log2_diff_max_bt_min_qt_chroma");
CHECK(pcSlice->getMaxTTSizeIChroma() < pcSlice->getMinQTSizeIChroma(), "maxTtSizeC is smaller than minQtSizeC");
WRITE_UVLC(g_aucLog2[pcSlice->getMaxTTSizeIChroma()] - g_aucLog2[pcSlice->getMinQTSizeIChroma()], "log2_diff_max_tt_min_qt_chroma");
}
}
}
}
#if JVET_O0455_IBC_MAX_MERGE_NUM
if (!cs.slice->isIntra())
#else
if (!cs.slice->isIntra() || cs.slice->getSPS()->getIBCFlag())
#endif
{
CHECK(pcSlice->getMaxNumMergeCand() > MRG_MAX_NUM_CANDS, "More merge candidates signalled than supported");
WRITE_UVLC(MRG_MAX_NUM_CANDS - pcSlice->getMaxNumMergeCand(), "six_minus_max_num_merge_cand");
}
if( !pcSlice->isIntra() )
{
#if JVET_O0263_O0220_SUBBLOCK_SYNTAX_CLEANUP
if (pcSlice->getSPS()->getSBTMVPEnabledFlag() && pcSlice->getEnableTMVPFlag() && !pcSlice->getSPS()->getUseAffine())// ATMVP only
#else
if ( pcSlice->getSPS()->getSBTMVPEnabledFlag() && !pcSlice->getSPS()->getUseAffine() ) // ATMVP only
#endif
{
CHECK( pcSlice->getMaxNumAffineMergeCand() != 1, "Sub-block merge can number should be 1" );
}
else
#if JVET_O0263_O0220_SUBBLOCK_SYNTAX_CLEANUP
if (!(pcSlice->getSPS()->getSBTMVPEnabledFlag() && pcSlice->getEnableTMVPFlag()) && !pcSlice->getSPS()->getUseAffine()) // both off
#else
if ( !pcSlice->getSPS()->getSBTMVPEnabledFlag() && !pcSlice->getSPS()->getUseAffine() ) // both off
#endif
{
CHECK( pcSlice->getMaxNumAffineMergeCand() != 0, "Sub-block merge can number should be 0" );
}
else
if ( pcSlice->getSPS()->getUseAffine() )
{
CHECK( pcSlice->getMaxNumAffineMergeCand() > AFFINE_MRG_MAX_NUM_CANDS, "More affine merge candidates signalled than supported" );
WRITE_UVLC( AFFINE_MRG_MAX_NUM_CANDS - pcSlice->getMaxNumAffineMergeCand(), "five_minus_max_num_affine_merge_cand" );
}
if ( pcSlice->getSPS()->getFpelMmvdEnabledFlag() )
{
WRITE_FLAG( pcSlice->getDisFracMMVD(), "tile_group_fracmmvd_disabled_flag" );
}
#if JVET_O1140_SLICE_DISABLE_BDOF_DMVR_FLAG
if (pcSlice->getSPS()->getBdofDmvrSlicePresentFlag())
{
WRITE_FLAG(pcSlice->getDisBdofDmvrFlag(), "tile_group_bdof_dmvr_disabled_flag");
}
#endif
if (pcSlice->getSPS()->getUseTriangle() && pcSlice->getMaxNumMergeCand() >= 2)
{
CHECK(pcSlice->getMaxNumMergeCand() < pcSlice->getMaxNumTriangleCand(), "Incorrrect max number of triangle candidates!");
WRITE_UVLC(pcSlice->getMaxNumMergeCand() - pcSlice->getMaxNumTriangleCand(), "max_num_merge_cand_minus_max_num_triangle_cand");
}
else
{
pcSlice->setMaxNumTriangleCand(0);
}
}
#if JVET_O0455_IBC_MAX_MERGE_NUM
if ( pcSlice->getSPS()->getIBCFlag() )
{
CHECK( pcSlice->getMaxNumIBCMergeCand() > IBC_MRG_MAX_NUM_CANDS, "More IBC merge candidates signalled than supported" );
WRITE_UVLC( IBC_MRG_MAX_NUM_CANDS - pcSlice->getMaxNumIBCMergeCand(), "six_minus_max_num_ibc_merge_cand" );
}
#endif
#if JVET_O0105_ICT
#if JVET_O0376_SPS_JOINTCBCR_FLAG
if (pcSlice->getSPS()->getJointCbCrEnabledFlag())
{
WRITE_FLAG( pcSlice->getJointCbCrSignFlag() ? 1 : 0, "slice_joint_cbcr_sign_flag");
}
#else
if (chromaEnabled)
{
WRITE_FLAG( pcSlice->getJointCbCrSignFlag() ? 1 : 0, "slice_joint_cbcr_sign_flag");
}
#endif
#endif
int iCode = pcSlice->getSliceQp() - ( pcSlice->getPPS()->getPicInitQPMinus26() + 26 );
WRITE_SVLC( iCode, "slice_qp_delta" );
if (pcSlice->getPPS()->getSliceChromaQpFlag())
{
if (numberValidComponents > COMPONENT_Cb)
{
WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cb), "slice_cb_qp_offset" );
}
if (numberValidComponents > COMPONENT_Cr)
{
WRITE_SVLC( pcSlice->getSliceChromaQpDelta(COMPONENT_Cr), "slice_cr_qp_offset" );
#if JVET_O0376_SPS_JOINTCBCR_FLAG
if (pcSlice->getSPS()->getJointCbCrEnabledFlag())
{
WRITE_SVLC( pcSlice->getSliceChromaQpDelta(JOINT_CbCr), "slice_joint_cbcr_qp_offset");
}
#else
WRITE_SVLC( pcSlice->getSliceChromaQpDelta(JOINT_CbCr), "slice_joint_cbcr_qp_offset");
#endif
}
CHECK(numberValidComponents < COMPONENT_Cr+1, "Too many valid components");
}
if (pcSlice->getPPS()->getPpsRangeExtension().getChromaQpOffsetListEnabledFlag())
{
WRITE_FLAG(pcSlice->getUseChromaQpAdj(), "cu_chroma_qp_offset_enabled_flag");
}
if (pcSlice->getPPS()->getDeblockingFilterControlPresentFlag())
{
if (pcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() )
{
WRITE_FLAG(pcSlice->getDeblockingFilterOverrideFlag(), "deblocking_filter_override_flag");
}
if (pcSlice->getDeblockingFilterOverrideFlag())
{
WRITE_FLAG(pcSlice->getDeblockingFilterDisable(), "slice_deblocking_filter_disabled_flag");
if(!pcSlice->getDeblockingFilterDisable())
{
WRITE_SVLC (pcSlice->getDeblockingFilterBetaOffsetDiv2(), "slice_beta_offset_div2");
WRITE_SVLC (pcSlice->getDeblockingFilterTcOffsetDiv2(), "slice_tc_offset_div2");
}
}
}
bool isSAOEnabled = pcSlice->getSPS()->getSAOEnabledFlag() && (pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_LUMA) || (chromaEnabled && pcSlice->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA)));
bool isDBFEnabled = (!pcSlice->getDeblockingFilterDisable());
if(pcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled || isDBFEnabled ))
{
WRITE_FLAG(pcSlice->getLFCrossSliceBoundaryFlag()?1:0, "slice_loop_filter_across_slices_enabled_flag");
}
if (pcSlice->getSPS()->getUseReshaper())
{
WRITE_FLAG( pcSlice->getLmcsEnabledFlag()? 1 : 0, "slice_lmcs_enabled_flag");
if (pcSlice->getLmcsEnabledFlag())
{
#if JVET_O0428_LMCS_CLEANUP
WRITE_CODE(pcSlice->getLmcsAPSId(), 2, "slice_lmcs_aps_id");
#else
WRITE_CODE(pcSlice->getLmcsAPSId(), 5, "slice_lmcs_aps_id");
#endif
#if !JVET_O1109_UNFIY_CRS
if (!(pcSlice->getSPS()->getUseDualITree() && pcSlice->isIntra()))
#endif
#if JVET_O0616_400_CHROMA_SUPPORT
if (chromaEnabled)
{
#endif
WRITE_FLAG(pcSlice->getLmcsChromaResidualScaleFlag(), "slice_chroma_residual_scale_flag");
#if JVET_O0616_400_CHROMA_SUPPORT
}
#endif
}
}
if(pcSlice->getPPS()->getSliceHeaderExtensionPresentFlag())
{
WRITE_UVLC(0,"slice_segment_header_extension_length");
}
}
void HLSWriter::codeConstraintInfo ( const ConstraintInfo* cinfo )
{
WRITE_FLAG(cinfo->getProgressiveSourceFlag(), "general_progressive_source_flag" );
WRITE_FLAG(cinfo->getInterlacedSourceFlag(), "general_interlaced_source_flag" );
WRITE_FLAG(cinfo->getNonPackedConstraintFlag(), "general_non_packed_constraint_flag" );
WRITE_FLAG(cinfo->getFrameOnlyConstraintFlag(), "general_frame_only_constraint_flag" );
WRITE_FLAG(cinfo->getIntraOnlyConstraintFlag(), "intra_only_constraint_flag" );
WRITE_CODE(cinfo->getMaxBitDepthConstraintIdc(), 4, "max_bitdepth_constraint_idc" );
WRITE_CODE(cinfo->getMaxChromaFormatConstraintIdc(), 2, "max_chroma_format_constraint_idc" );
WRITE_FLAG(cinfo->getNoQtbttDualTreeIntraConstraintFlag() ? 1 : 0, "no_qtbtt_dual_tree_intra_constraint_flag");
WRITE_FLAG(cinfo->getNoPartitionConstraintsOverrideConstraintFlag() ? 1 : 0, "no_partition_constraints_override_constraint_flag");
WRITE_FLAG(cinfo->getNoSaoConstraintFlag() ? 1 : 0, "no_sao_constraint_flag");
WRITE_FLAG(cinfo->getNoAlfConstraintFlag() ? 1 : 0, "no_alf_constraint_flag");
#if JVET_O0376_SPS_JOINTCBCR_FLAG
WRITE_FLAG(cinfo->getNoJointCbCrConstraintFlag() ? 1 : 0, "no_joint_cbcr_constraint_flag");
#endif
WRITE_FLAG(cinfo->getNoPcmConstraintFlag() ? 1 : 0, "no_pcm_constraint_flag");
WRITE_FLAG(cinfo->getNoRefWraparoundConstraintFlag() ? 1 : 0, "no_ref_wraparound_constraint_flag");
WRITE_FLAG(cinfo->getNoTemporalMvpConstraintFlag() ? 1 : 0, "no_temporal_mvp_constraint_flag");
WRITE_FLAG(cinfo->getNoSbtmvpConstraintFlag() ? 1 : 0, "no_sbtmvp_constraint_flag");
WRITE_FLAG(cinfo->getNoAmvrConstraintFlag() ? 1 : 0, "no_amvr_constraint_flag");
WRITE_FLAG(cinfo->getNoBdofConstraintFlag() ? 1 : 0, "no_bdof_constraint_flag");
WRITE_FLAG(cinfo->getNoDmvrConstraintFlag() ? 1 : 0, "no_dmvr_constraint_flag");
WRITE_FLAG(cinfo->getNoCclmConstraintFlag() ? 1 : 0, "no_cclm_constraint_flag");
WRITE_FLAG(cinfo->getNoMtsConstraintFlag() ? 1 : 0, "no_mts_constraint_flag");
WRITE_FLAG(cinfo->getNoSbtConstraintFlag() ? 1 : 0, "no_sbt_constraint_flag");
WRITE_FLAG(cinfo->getNoAffineMotionConstraintFlag() ? 1 : 0, "no_affine_motion_constraint_flag");
WRITE_FLAG(cinfo->getNoGbiConstraintFlag() ? 1 : 0, "no_gbi_constraint_flag");
WRITE_FLAG(cinfo->getNoIbcConstraintFlag() ? 1 : 0, "no_ibc_constraint_flag");
WRITE_FLAG(cinfo->getNoMhIntraConstraintFlag() ? 1 : 0, "no_mh_intra_constraint_flag");
WRITE_FLAG(cinfo->getNoFPelMmvdConstraintFlag() ? 1 : 0, "no_fpel_mmvd_constraint_flag");
WRITE_FLAG(cinfo->getNoTriangleConstraintFlag() ? 1 : 0, "no_triangle_constraint_flag");
WRITE_FLAG(cinfo->getNoLadfConstraintFlag() ? 1 : 0, "no_ladf_constraint_flag");
WRITE_FLAG(cinfo->getNoTransformSkipConstraintFlag() ? 1 : 0, "no_transform_skip_constraint_flag");
#if JVET_O1136_TS_BDPCM_SIGNALLING
WRITE_FLAG(cinfo->getNoBDPCMConstraintFlag() ? 1 : 0, "no_bdpcm_constraint_flag");
#endif
WRITE_FLAG(cinfo->getNoQpDeltaConstraintFlag() ? 1 : 0, "no_qp_delta_constraint_flag");
WRITE_FLAG(cinfo->getNoDepQuantConstraintFlag() ? 1 : 0, "no_dep_quant_constraint_flag");
WRITE_FLAG(cinfo->getNoSignDataHidingConstraintFlag() ? 1 : 0, "no_sign_data_hiding_constraint_flag");
}
void HLSWriter::codeProfileTierLevel ( const ProfileTierLevel* ptl, int maxNumSubLayersMinus1 )
{
WRITE_CODE( int(ptl->getProfileIdc()), 7 , "general_profile_idc" );
WRITE_FLAG( ptl->getTierFlag()==Level::HIGH, "general_tier_flag" );
WRITE_CODE( ptl->getSubProfileIdc(), 24, "general_sub_profile_idc" );
codeConstraintInfo(ptl->getConstraintInfo());
WRITE_CODE( int(ptl->getLevelIdc()), 8 , "general_level_idc" );
for (int i = 0; i < maxNumSubLayersMinus1; i++)
{
WRITE_FLAG( ptl->getSubLayerLevelPresentFlag(i), "sub_layer_level_present_flag[i]" );
}
while (!isByteAligned())
{
WRITE_FLAG(0, "ptl_alignment_zero_bit");
}
for(int i = 0; i < maxNumSubLayersMinus1; i++)
{
if( ptl->getSubLayerLevelPresentFlag(i) )
{
WRITE_CODE( int(ptl->getSubLayerLevelIdc(i)), 8, "sub_layer_level_idc[i]" );
}
}
}
/**
* Write tiles and wavefront substreams sizes for the slice header (entry points).
*
* \param pSlice Slice structure that contains the substream size information.
*/
void HLSWriter::codeTilesWPPEntryPoint( Slice* pSlice )
{
if (pSlice->getPPS()->getSingleTileInPicFlag() && !pSlice->getPPS()->getEntropyCodingSyncEnabledFlag())
{
return;
}
uint32_t maxOffset = 0;
for(int idx=0; idx<pSlice->getNumberOfSubstreamSizes(); idx++)
{
uint32_t offset=pSlice->getSubstreamSize(idx);
if ( offset > maxOffset )
{
maxOffset = offset;
}
}
// Determine number of bits "offsetLenMinus1+1" required for entry point information
uint32_t offsetLenMinus1 = 0;
while (maxOffset >= (1u << (offsetLenMinus1 + 1)))
{
offsetLenMinus1++;
CHECK(offsetLenMinus1 + 1 >= 32, "Invalid offset lenght minus 1");
}
WRITE_UVLC(pSlice->getNumberOfSubstreamSizes(), "num_entry_point_offsets");
if (pSlice->getNumberOfSubstreamSizes()>0)
{
WRITE_UVLC(offsetLenMinus1, "offset_len_minus1");
for (uint32_t idx=0; idx<pSlice->getNumberOfSubstreamSizes(); idx++)
{
WRITE_CODE(pSlice->getSubstreamSize(idx)-1, offsetLenMinus1+1, "entry_point_offset_minus1");
}
}
}
// ====================================================================================================================
// Protected member functions
// ====================================================================================================================
//! Code weighted prediction tables
void HLSWriter::xCodePredWeightTable( Slice* pcSlice )
{
WPScalingParam *wp;
const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc();
const uint32_t numberValidComponents = getNumberValidComponents(format);
const bool bChroma = isChromaEnabled(format);
const int iNbRef = (pcSlice->getSliceType() == B_SLICE ) ? (2) : (1);
bool bDenomCoded = false;
uint32_t uiTotalSignalledWeightFlags = 0;
if ( (pcSlice->getSliceType()==P_SLICE && pcSlice->getPPS()->getUseWP()) || (pcSlice->getSliceType()==B_SLICE && pcSlice->getPPS()->getWPBiPred()) )
{
for ( int iNumRef=0 ; iNumRef<iNbRef ; iNumRef++ ) // loop over l0 and l1 syntax elements
{
RefPicList eRefPicList = ( iNumRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 );
// NOTE: wp[].uiLog2WeightDenom and wp[].bPresentFlag are actually per-channel-type settings.
for ( int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ )
{
pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
if ( !bDenomCoded )
{
int iDeltaDenom;
WRITE_UVLC( wp[COMPONENT_Y].uiLog2WeightDenom, "luma_log2_weight_denom" );
if( bChroma )
{
CHECK( wp[COMPONENT_Cb].uiLog2WeightDenom != wp[COMPONENT_Cr].uiLog2WeightDenom, "Chroma blocks of different size not supported" );
iDeltaDenom = (wp[COMPONENT_Cb].uiLog2WeightDenom - wp[COMPONENT_Y].uiLog2WeightDenom);
WRITE_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" );
}
bDenomCoded = true;
}
WRITE_FLAG( wp[COMPONENT_Y].bPresentFlag, iNumRef==0?"luma_weight_l0_flag[i]":"luma_weight_l1_flag[i]" );
uiTotalSignalledWeightFlags += wp[COMPONENT_Y].bPresentFlag;
}
if (bChroma)
{
for ( int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ )
{
pcSlice->getWpScaling( eRefPicList, iRefIdx, wp );
CHECK( wp[COMPONENT_Cb].bPresentFlag != wp[COMPONENT_Cr].bPresentFlag, "Inconsistent settings for chroma channels" );
WRITE_FLAG( wp[COMPONENT_Cb].bPresentFlag, iNumRef==0?"chroma_weight_l0_flag[i]":"chroma_weight_l1_flag[i]" );
uiTotalSignalledWeightFlags += 2*wp[COMPONENT_Cb].bPresentFlag;
}
}
for ( int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ )
{
pcSlice->getWpScaling(eRefPicList, iRefIdx, wp);
if ( wp[COMPONENT_Y].bPresentFlag )
{
int iDeltaWeight = (wp[COMPONENT_Y].iWeight - (1<<wp[COMPONENT_Y].uiLog2WeightDenom));
WRITE_SVLC( iDeltaWeight, iNumRef==0?"delta_luma_weight_l0[i]":"delta_luma_weight_l1[i]" );
WRITE_SVLC( wp[COMPONENT_Y].iOffset, iNumRef==0?"luma_offset_l0[i]":"luma_offset_l1[i]" );
}
if ( bChroma )
{
if ( wp[COMPONENT_Cb].bPresentFlag )
{
for ( int j = COMPONENT_Cb ; j < numberValidComponents ; j++ )
{
CHECK(wp[COMPONENT_Cb].uiLog2WeightDenom != wp[COMPONENT_Cr].uiLog2WeightDenom, "Chroma blocks of different size not supported");
int iDeltaWeight = (wp[j].iWeight - (1<<wp[COMPONENT_Cb].uiLog2WeightDenom));
WRITE_SVLC( iDeltaWeight, iNumRef==0?"delta_chroma_weight_l0[i]":"delta_chroma_weight_l1[i]" );
int range=pcSlice->getSPS()->getSpsRangeExtension().getHighPrecisionOffsetsEnabledFlag() ? (1<<pcSlice->getSPS()->getBitDepth(CHANNEL_TYPE_CHROMA))/2 : 128;
int pred = ( range - ( ( range*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) );
int iDeltaChroma = (wp[j].iOffset - pred);
WRITE_SVLC( iDeltaChroma, iNumRef==0?"delta_chroma_offset_l0[i]":"delta_chroma_offset_l1[i]" );
}
}
}
}
}
CHECK(uiTotalSignalledWeightFlags>24, "Too many signalled weight flags");
}
}
/** code quantization matrix
* \param scalingList quantization matrix information
*/
void HLSWriter::codeScalingList( const ScalingList &scalingList )
{
//for each size
for(uint32_t sizeId = SCALING_LIST_FIRST_CODED; sizeId <= SCALING_LIST_LAST_CODED; sizeId++)
{
const int predListStep = (sizeId > SCALING_LIST_32x32 ? (SCALING_LIST_NUM / (NUMBER_OF_PREDICTION_MODES - 1)) : 1); // if 64x64, skip over chroma entries.
for(uint32_t listId = 0; listId < SCALING_LIST_NUM; listId+=predListStep)
{
if ((sizeId == SCALING_LIST_2x2) && ((listId % (SCALING_LIST_NUM / (NUMBER_OF_PREDICTION_MODES - 1)) == 0)))
{
continue;
}
bool scalingListPredModeFlag = scalingList.getScalingListPredModeFlag(sizeId, listId);
WRITE_FLAG( scalingListPredModeFlag, "scaling_list_pred_mode_flag" );
if(!scalingListPredModeFlag)// Copy Mode
{
if (sizeId > SCALING_LIST_32x32) //64x64 luma
{
// adjust the code, to cope with the missing chroma entries
WRITE_UVLC( ((int)listId - (int)scalingList.getRefMatrixId(sizeId, listId)) / (SCALING_LIST_NUM / (NUMBER_OF_PREDICTION_MODES - 1)), "scaling_list_pred_matrix_id_delta");
}
else
{
WRITE_UVLC( (int)listId - (int)scalingList.getRefMatrixId (sizeId,listId), "scaling_list_pred_matrix_id_delta");
}
}
else// DPCM Mode
{
xCodeScalingList(&scalingList, sizeId, listId);
}
}
}
return;
}
/** code DPCM
* \param scalingList quantization matrix information
* \param sizeId size index
* \param listId list index
*/
void HLSWriter::xCodeScalingList(const ScalingList* scalingList, uint32_t sizeId, uint32_t listId)
{
int coefNum = std::min( MAX_MATRIX_COEF_NUM, ( int ) g_scalingListSize[sizeId] );
ScanElement *scan = g_scanOrder[SCAN_UNGROUPED][SCAN_DIAG][gp_sizeIdxInfo->idxFrom(1 << (sizeId == SCALING_LIST_2x2 ? 1 : (sizeId == SCALING_LIST_4x4 ? 2 : 3)))][gp_sizeIdxInfo->idxFrom(1 << (sizeId == SCALING_LIST_2x2 ? 1 : (sizeId == SCALING_LIST_4x4 ? 2 : 3)))];
int nextCoef = SCALING_LIST_START_VALUE;
int data;
const int *src = scalingList->getScalingListAddress(sizeId, listId);
if( sizeId > SCALING_LIST_8x8 )
{
WRITE_SVLC( scalingList->getScalingListDC(sizeId,listId) - 8, "scaling_list_dc_coef_minus8");
nextCoef = scalingList->getScalingListDC(sizeId,listId);
}
for(int i=0;i<coefNum;i++)
{
if (sizeId == SCALING_LIST_64x64 && scan[i].x >= 4 && scan[i].y >= 4)
continue;
data = src[scan[i].idx] - nextCoef;
nextCoef = src[scan[i].idx];
if(data > 127)
{
data = data - 256;
}
if(data < -128)
{
data = data + 256;
}
WRITE_SVLC( data, "scaling_list_delta_coef");
}
}
bool HLSWriter::xFindMatchingLTRP(Slice* pcSlice, uint32_t *ltrpsIndex, int ltrpPOC, bool usedFlag)
{
// bool state = true, state2 = false;
int lsb = ltrpPOC & ((1<<pcSlice->getSPS()->getBitsForPOC())-1);
for (int k = 0; k < pcSlice->getSPS()->getNumLongTermRefPicSPS(); k++)
{
if ( (lsb == pcSlice->getSPS()->getLtRefPicPocLsbSps(k)) && (usedFlag == pcSlice->getSPS()->getUsedByCurrPicLtSPSFlag(k)) )
{
*ltrpsIndex = k;
return true;
}
}
return false;
}
void HLSWriter::alfGolombEncode( int coeff, int k, const bool signed_coeff )
{
int symbol = abs( coeff );
int m = (int)pow( 2.0, k );
int q = symbol / m;
for( int i = 0; i < q; i++ )
{
xWriteFlag( 1 );
}
xWriteFlag( 0 );
// write one zero
for( int i = 0; i < k; i++ )
{
xWriteFlag( symbol & 0x01 );
symbol >>= 1;
}
if( signed_coeff && coeff != 0 )
{
int sign = ( coeff < 0 ) ? 1 : 0;
xWriteFlag( sign );
}
}
#if JVET_O0090_ALF_CHROMA_FILTER_ALTERNATIVES_CTB
void HLSWriter::alfFilter( const AlfParam& alfParam, const bool isChroma, const int altIdx )
#else
void HLSWriter::alfFilter( const AlfParam& alfParam, const bool isChroma )
#endif
{
if( !isChroma )
{
WRITE_FLAG( alfParam.alfLumaCoeffDeltaFlag, "alf_luma_coeff_delta_flag" );
#if !JVET_O0669_REMOVE_ALF_COEFF_PRED
if( !alfParam.alfLumaCoeffDeltaFlag )
{
if( alfParam.numLumaFilters > 1 )
{
WRITE_FLAG( alfParam.alfLumaCoeffDeltaPredictionFlag, "alf_luma_coeff_delta_prediction_flag" );
}
}
#endif
}
AlfFilterShape alfShape(isChroma ? 5 : 7);
#if !JVET_O0216_ALF_COEFF_EG3 || !JVET_O0064_SIMP_ALF_CLIP_CODING
static int bitsCoeffScan[EncAdaptiveLoopFilter::m_MAX_SCAN_VAL][EncAdaptiveLoopFilter::m_MAX_EXP_GOLOMB];
memset( bitsCoeffScan, 0, sizeof( bitsCoeffScan ) );
const int maxGolombIdx = AdaptiveLoopFilter::getMaxGolombIdx( alfShape.filterType );
#endif
#if JVET_O0090_ALF_CHROMA_FILTER_ALTERNATIVES_CTB
const short* coeff = isChroma ? alfParam.chromaCoeff[altIdx] : alfParam.lumaCoeff;
const short* clipp = isChroma ? alfParam.chromaClipp[altIdx] : alfParam.lumaClipp;
#else
const short* coeff = isChroma ? alfParam.chromaCoeff : alfParam.lumaCoeff;
const short* clipp = isChroma ? alfParam.chromaClipp : alfParam.lumaClipp;
#endif
const int numFilters = isChroma ? 1 : alfParam.numLumaFilters;
// vlc for all
#if !JVET_O0216_ALF_COEFF_EG3
for( int ind = 0; ind < numFilters; ++ind )
{
if( isChroma || !alfParam.alfLumaCoeffDeltaFlag || alfParam.alfLumaCoeffFlag[ind] )
{
for( int i = 0; i < alfShape.numCoeff - 1; i++ )
{
int coeffVal = abs( coeff[ind * MAX_NUM_ALF_LUMA_COEFF + i] );
for( int k = 1; k < 15; k++ )
{
bitsCoeffScan[alfShape.golombIdx[i]][k] += EncAdaptiveLoopFilter::lengthGolomb( coeffVal, k );
}
}
}
}
#endif
#if !JVET_O0216_ALF_COEFF_EG3 || !JVET_O0064_SIMP_ALF_CLIP_CODING
static int kMinTab[MAX_NUM_ALF_COEFF];
#endif
#if !JVET_O0216_ALF_COEFF_EG3
int kMin = EncAdaptiveLoopFilter::getGolombKMin( alfShape, numFilters, kMinTab, bitsCoeffScan );
// Golomb parameters
WRITE_UVLC( kMin - 1, isChroma ? "alf_chroma_min_eg_order_minus1" : "alf_luma_min_eg_order_minus1" );
for( int idx = 0; idx < maxGolombIdx; idx++ )
{
bool golombOrderIncreaseFlag = ( kMinTab[idx] != kMin ) ? true : false;
CHECK( !( kMinTab[idx] <= kMin + 1 ), "ALF Golomb parameter not consistent" );
WRITE_FLAG( golombOrderIncreaseFlag, isChroma ? "alf_chroma_eg_order_increase_flag" : "alf_luma_eg_order_increase_flag" );
kMin = kMinTab[idx];
}
#endif
if( !isChroma )
{
if( alfParam.alfLumaCoeffDeltaFlag )
{
for( int ind = 0; ind < numFilters; ++ind )
{
WRITE_FLAG( alfParam.alfLumaCoeffFlag[ind], "alf_luma_coeff_flag[i]" );
}
}
}
// Filter coefficients
for( int ind = 0; ind < numFilters; ++ind )
{
if( !isChroma && !alfParam.alfLumaCoeffFlag[ind] && alfParam.alfLumaCoeffDeltaFlag )
{
continue;
}
for( int i = 0; i < alfShape.numCoeff - 1; i++ )
{
#if JVET_O0216_ALF_COEFF_EG3
alfGolombEncode( coeff[ind* MAX_NUM_ALF_LUMA_COEFF + i], 3 ); // alf_coeff_chroma[i], alf_coeff_luma_delta[i][j]
#else
alfGolombEncode( coeff[ind* MAX_NUM_ALF_LUMA_COEFF + i], kMinTab[alfShape.golombIdx[i]] ); // alf_coeff_chroma[i], alf_coeff_luma_delta[i][j]
#endif
}
}
// Clipping values coding
#if JVET_O0090_ALF_CHROMA_FILTER_ALTERNATIVES_CTB
if( alfParam.nonLinearFlag[isChroma][altIdx] )
#else
if( alfParam.nonLinearFlag[isChroma] )
#endif
{
#if JVET_O0064_SIMP_ALF_CLIP_CODING
for (int ind = 0; ind < numFilters; ++ind)
{
for (int i = 0; i < alfShape.numCoeff - 1; i++)
{
WRITE_CODE(clipp[ind* MAX_NUM_ALF_LUMA_COEFF + i], 2, "alf_clipping_index");
}
}
#else
memset( bitsCoeffScan, 0, sizeof( bitsCoeffScan ) );
short recCoeff[MAX_NUM_ALF_CLASSES * MAX_NUM_ALF_LUMA_COEFF];
if( isChroma )
{
memcpy( recCoeff, coeff, sizeof(short) * MAX_NUM_ALF_CHROMA_COEFF );
}
else
{
memcpy( recCoeff, coeff, sizeof(short) * numFilters * MAX_NUM_ALF_LUMA_COEFF );
#if !JVET_O0669_REMOVE_ALF_COEFF_PRED
if( alfParam.alfLumaCoeffDeltaPredictionFlag )
{
for( int i = 1; i < numFilters; i++ )
{
for( int j = 0; j < alfShape.numCoeff - 1; j++ )
{
recCoeff[i * MAX_NUM_ALF_LUMA_COEFF + j] += recCoeff[( i - 1 ) * MAX_NUM_ALF_LUMA_COEFF + j];
}
}
}
#endif
}
// vlc for all
for( int ind = 0; ind < numFilters; ++ind )
{
if( isChroma || !alfParam.alfLumaCoeffDeltaFlag || alfParam.alfLumaCoeffFlag[ind] )
{
for( int i = 0; i < alfShape.numCoeff - 1; i++ )
{
if( !abs( recCoeff[ind * MAX_NUM_ALF_LUMA_COEFF + i] ) )
continue;
int coeffVal = abs( clipp[ind * MAX_NUM_ALF_LUMA_COEFF + i] );
for( int k = 1; k < 15; k++ )
{
bitsCoeffScan[alfShape.golombIdx[i]][k] += EncAdaptiveLoopFilter::lengthGolomb( coeffVal, k, false );
}
}
}
}
#if JVET_O0216_ALF_COEFF_EG3
int kMin = EncAdaptiveLoopFilter::getGolombKMin(alfShape, numFilters, kMinTab, bitsCoeffScan);
#else
kMin = EncAdaptiveLoopFilter::getGolombKMin( alfShape, numFilters, kMinTab, bitsCoeffScan );
#endif
// Golomb parameters
WRITE_UVLC( kMin - 1, "clip_min_golomb_order" );
for( int idx = 0; idx < maxGolombIdx; idx++ )
{
bool golombOrderIncreaseFlag = ( kMinTab[idx] != kMin ) ? true : false;
CHECK( !( kMinTab[idx] <= kMin + 1 ), "ALF Golomb parameter not consistent" );
WRITE_FLAG( golombOrderIncreaseFlag, "clip_golomb_order_increase_flag" );
kMin = kMinTab[idx];
}
// Filter coefficients
for( int ind = 0; ind < numFilters; ++ind )
{
if( !isChroma && !alfParam.alfLumaCoeffFlag[ind] && alfParam.alfLumaCoeffDeltaFlag )
{
continue;
}
for( int i = 0; i < alfShape.numCoeff - 1; i++ )
{
if( !abs( recCoeff[ind * MAX_NUM_ALF_LUMA_COEFF + i] ) )
continue;
alfGolombEncode( clipp[ind* MAX_NUM_ALF_LUMA_COEFF + i], kMinTab[alfShape.golombIdx[i]], false ); // alf_coeff_chroma[i], alf_coeff_luma_delta[i][j]
}
}
#endif
}
}
void HLSWriter::xWriteTruncBinCode( uint32_t uiSymbol, const int uiMaxSymbol )
{
int uiThresh;
if( uiMaxSymbol > 256 )
{
int uiThreshVal = 1 << 8;
uiThresh = 8;
while( uiThreshVal <= uiMaxSymbol )
{
uiThresh++;
uiThreshVal <<= 1;
}
uiThresh--;
}
else
{
uiThresh = g_tbMax[uiMaxSymbol];
}
int uiVal = 1 << uiThresh;
assert( uiVal <= uiMaxSymbol );
assert( ( uiVal << 1 ) > uiMaxSymbol );
assert( uiSymbol < uiMaxSymbol );
int b = uiMaxSymbol - uiVal;
assert( b < uiVal );
if( uiSymbol < uiVal - b )
{
xWriteCode( uiSymbol, uiThresh );
}
else
{
uiSymbol += uiVal - b;
assert( uiSymbol < ( uiVal << 1 ) );
assert( ( uiSymbol >> 1 ) >= uiVal - b );
xWriteCode( uiSymbol, uiThresh + 1 );
}
}
void HLSWriter::truncatedUnaryEqProb( int symbol, const int maxSymbol )
{
if( maxSymbol == 0 )
{
return;
}
bool codeLast = ( maxSymbol > symbol );
int bins = 0;
int numBins = 0;
while( symbol-- )
{
bins <<= 1;
bins++;
numBins++;
}
if( codeLast )
{
bins <<= 1;
numBins++;
}
CHECK( !( numBins <= 32 ), "Unspecified error" );
xWriteCode( bins, numBins );
}
//! \}