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Frank Bossen authoredFrank Bossen authored
VLCWriter.cpp 123.87 KiB
/* 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) 2010-2020, 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
#if JVET_P0462_SEI360 || JVET_P0337_PORTING_SEI
void VLCWriter::xWriteSCodeTr (int value, uint32_t length, const char *pSymbolName)
{
xWriteSCode (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 );
}
}
}
#endif
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
#if JVET_P0462_SEI360 || JVET_P0337_PORTING_SEI
void VLCWriter::xWriteSCode ( int code, uint32_t length )
{
assert ( length > 0 && length<=32 );
assert( length==32 || (code>=-(1<<(length-1)) && code<(1<<(length-1))) );
m_pcBitIf->write( length==32 ? uint32_t(code) : ( uint32_t(code)&((1<<length)-1) ), length );
}
#endif
void VLCWriter::xWriteCode ( uint32_t uiCode, uint32_t uiLength )
{
CHECK( uiLength == 0, "Code of length '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();
}
void HLSWriter::xCodeRefPicList( const ReferencePictureList* rpl, bool isLongTermPresent, uint32_t ltLsbBitsCount, const bool isForbiddenZeroDeltaPoc )
{
uint32_t numRefPic = rpl->getNumberOfShorttermPictures() + rpl->getNumberOfLongtermPictures() + rpl->getNumberOfInterLayerPictures();
WRITE_UVLC( numRefPic, "num_ref_entries[ listIdx ][ rplsIdx ]" );
if (isLongTermPresent)
{
WRITE_FLAG(rpl->getLtrpInSliceHeaderFlag(), "ltrp_in_slice_header_flag[ listIdx ][ rplsIdx ]");
}
int prevDelta = MAX_INT;
int deltaValue = 0;
bool firstSTRP = true;
for (int ii = 0; ii < numRefPic; ii++)
{
if( rpl->getInterLayerPresentFlag() )
{
WRITE_FLAG( rpl->isInterLayerRefPic( ii ), "inter_layer_ref_pic_flag[ listIdx ][ rplsIdx ][ i ]" );
if( rpl->isInterLayerRefPic( ii ) )
{
CHECK( rpl->getInterLayerRefPicIdx( ii ) < 0, "Wrong inter-layer reference index" );
WRITE_UVLC( rpl->getInterLayerRefPicIdx( ii ), "ilrp_idx[ listIdx ][ rplsIdx ][ i ]" );
}
}
if( !rpl->isInterLayerRefPic( ii ) )
{
if( isLongTermPresent )
{
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( isForbiddenZeroDeltaPoc )
{
CHECK( !absDeltaValue, "Zero delta POC is not used without WP" );
WRITE_UVLC( absDeltaValue - 1, "abs_delta_poc_st[ listIdx ][ rplsIdx ][ i ]" );
}
else
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 if (!rpl->getLtrpInSliceHeaderFlag())
{
WRITE_CODE(rpl->getRefPicIdentifier(ii), ltLsbBitsCount, "poc_lsb_lt[listIdx][rplsIdx][i]");
}
}
}
}
void HLSWriter::codePPS( const PPS* pcPPS, const SPS* pcSPS )
{
#if ENABLE_TRACING
xTracePPSHeader ();
#endif
WRITE_UVLC( pcPPS->getPPSId(), "pps_pic_parameter_set_id" );
#if JVET_P0244_SPS_CLEAN_UP
WRITE_CODE( pcPPS->getSPSId(), 4, "pps_seq_parameter_set_id" );
#else
WRITE_UVLC( pcPPS->getSPSId(), "pps_seq_parameter_set_id" );
#endif
WRITE_UVLC( pcPPS->getPicWidthInLumaSamples(), "pic_width_in_luma_samples" );
WRITE_UVLC( pcPPS->getPicHeightInLumaSamples(), "pic_height_in_luma_samples" );
Window conf = pcPPS->getConformanceWindow();
WRITE_FLAG( conf.getWindowEnabledFlag(), "conformance_window_flag" );
if( conf.getWindowEnabledFlag() )
{
WRITE_UVLC( conf.getWindowLeftOffset(), "conf_win_left_offset" );
WRITE_UVLC( conf.getWindowRightOffset(), "conf_win_right_offset" );
WRITE_UVLC( conf.getWindowTopOffset(), "conf_win_top_offset" );
WRITE_UVLC( conf.getWindowBottomOffset(), "conf_win_bottom_offset" );
}
#if JVET_P0590_SCALING_WINDOW
Window scalingWindow = pcPPS->getScalingWindow();
WRITE_FLAG( scalingWindow.getWindowEnabledFlag(), "scaling_window_flag" );
if( scalingWindow.getWindowEnabledFlag() )
{
WRITE_UVLC( scalingWindow.getWindowLeftOffset(), "scaling_win_left_offset" ); WRITE_UVLC( scalingWindow.getWindowRightOffset(), "scaling_win_right_offset" );
WRITE_UVLC( scalingWindow.getWindowTopOffset(), "scaling_win_top_offset" );
WRITE_UVLC( scalingWindow.getWindowBottomOffset(), "scaling_win_bottom_offset" );
}
#endif
WRITE_FLAG( pcPPS->getOutputFlagPresentFlag() ? 1 : 0, "output_flag_present_flag" );
#if JVET_P1006_PICTURE_HEADER
WRITE_FLAG(pcPPS->getSubPicIdSignallingPresentFlag(), "pps_subpic_id_signalling_present_flag");
if( pcPPS->getSubPicIdSignallingPresentFlag() )
{
WRITE_UVLC( pcPPS->getNumSubPics() - 1, "pps_num_subpics_minus1" );
WRITE_UVLC( pcPPS->getSubPicIdLen() - 1, "pps_subpic_id_len_minus1" );
for( int picIdx = 0; picIdx < pcPPS->getNumSubPics( ); picIdx++ )
{
WRITE_CODE( pcPPS->getSubPicId(picIdx), pcPPS->getSubPicIdLen( ), "pps_subpic_id[i]" );
}
}
#endif
#if JVET_P1004_REMOVE_BRICKS
WRITE_FLAG( pcPPS->getNoPicPartitionFlag( ) ? 1 : 0, "no_pic_partition_flag" );
if( !pcPPS->getNoPicPartitionFlag() )
{
int colIdx, rowIdx;
// CTU size - required to match size in SPS
WRITE_CODE( pcPPS->getLog2CtuSize() - 5, 2, "pps_log2_ctu_size_minus5" );
// number of explicit tile columns/rows
WRITE_UVLC( pcPPS->getNumExpTileColumns() - 1, "num_exp_tile_columns_minus1" );
WRITE_UVLC( pcPPS->getNumExpTileRows() - 1, "num_exp_tile_rows_minus1" );
// tile sizes
for( colIdx = 0; colIdx < pcPPS->getNumExpTileColumns(); colIdx++ )
{
WRITE_UVLC( pcPPS->getTileColumnWidth( colIdx ) - 1, "tile_column_width_minus1[i]" );
}
for( rowIdx = 0; rowIdx < pcPPS->getNumExpTileRows(); rowIdx++ )
{
WRITE_UVLC( pcPPS->getTileRowHeight( rowIdx ) - 1, "tile_row_height_minus1[i]" );
}
// rectangular slice signalling
WRITE_FLAG( pcPPS->getRectSliceFlag( ) ? 1 : 0, "rect_slice_flag");
if (pcPPS->getRectSliceFlag())
{
WRITE_FLAG(pcPPS->getSingleSlicePerSubPicFlag( ) ? 1 : 0, "single_slice_per_subpic_flag");
}
if (pcPPS->getRectSliceFlag() & !(pcPPS->getSingleSlicePerSubPicFlag()))
{
WRITE_UVLC( pcPPS->getNumSlicesInPic( ) - 1, "num_slices_in_pic_minus1" );
WRITE_FLAG( pcPPS->getTileIdxDeltaPresentFlag( ) ? 1 : 0, "tile_idx_delta_present_flag");
// write rectangular slice parameters
for( int i = 0; i < pcPPS->getNumSlicesInPic()-1; i++ )
{
// complete tiles within a single slice
WRITE_UVLC( pcPPS->getSliceWidthInTiles( i ) - 1, "slice_width_in_tiles_minus1[i]" );
WRITE_UVLC( pcPPS->getSliceHeightInTiles( i ) - 1, "slice_height_in_tiles_minus1[i]" );
// multiple slices within a single tile special case
if( pcPPS->getSliceWidthInTiles( i ) == 1 && pcPPS->getSliceHeightInTiles( i ) == 1 )
{
WRITE_UVLC( pcPPS->getNumSlicesInTile( i ) - 1, "num_slices_in_tile_minus1[i]" );
uint32_t numSlicesInTile = pcPPS->getNumSlicesInTile( i );
for( int j = 0; j < numSlicesInTile-1; j++ )
{ WRITE_UVLC( pcPPS->getSliceHeightInCtu( i ) - 1, "slice_height_in_ctu_minus1[i]" );
i++;
}
}
// tile index offset to start of next slice
if( i < pcPPS->getNumSlicesInPic()-1 )
{
if( pcPPS->getTileIdxDeltaPresentFlag() )
{
int32_t tileIdxDelta = pcPPS->getSliceTileIdx( i + 1 ) - pcPPS->getSliceTileIdx( i );
WRITE_SVLC( tileIdxDelta, "tile_idx_delta[i]" );
}
}
}
}
// loop filtering across slice/tile controls
WRITE_FLAG( pcPPS->getLoopFilterAcrossTilesEnabledFlag(), "loop_filter_across_tiles_enabled_flag");
WRITE_FLAG( pcPPS->getLoopFilterAcrossSlicesEnabledFlag(), "loop_filter_across_slices_enabled_flag");
}
#endif
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcPPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "entropy_coding_sync_enabled_flag" );
#endif
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");
#if !JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcPPS->getConstantSliceHeaderParamsEnabledFlag(), "constant_slice_header_params_enabled_flag");
if ( pcPPS->getConstantSliceHeaderParamsEnabledFlag() ) {
WRITE_CODE( pcPPS->getPPSDepQuantEnabledIdc(), 2, "pps_dep_quant_enabled_idc");
WRITE_CODE( pcPPS->getPPSRefPicListSPSIdc0(), 2, "pps_ref_pic_list_sps_idc[0]");
WRITE_CODE( pcPPS->getPPSRefPicListSPSIdc1(), 2, "pps_ref_pic_list_sps_idc[1]");
#if !JVET_P0206_TMVP_flags
WRITE_CODE( pcPPS->getPPSTemporalMVPEnabledIdc(), 2, "pps_temporal_mvp_enabled_idc");
#endif
WRITE_CODE( pcPPS->getPPSMvdL1ZeroIdc(), 2, "pps_mvd_l1_zero_idc");
WRITE_CODE( pcPPS->getPPSCollocatedFromL0Idc(), 2, "pps_collocated_from_l0_idc");
WRITE_UVLC( pcPPS->getPPSSixMinusMaxNumMergeCandPlus1(), "pps_six_minus_max_num_merge_cand_plus1");
#if !JVET_P0152_REMOVE_PPS_NUM_SUBBLOCK_MERGE_CAND
WRITE_UVLC( pcPPS->getPPSFiveMinusMaxNumSubblockMergeCandPlus1(), "pps_five_minus_max_num_subblock_merge_cand_plus1");
#endif
WRITE_UVLC( pcPPS->getPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1(), "pps_max_num_merge_cand_minus_max_num_triangle_cand_plus1");
}
#endif
WRITE_SVLC( pcPPS->getPicInitQPMinus26(), "init_qp_minus26");
WRITE_UVLC( pcPPS->getLog2MaxTransformSkipBlockSize() - 2, "log2_transform_skip_max_size_minus2");
WRITE_FLAG( pcPPS->getUseDQP() ? 1 : 0, "cu_qp_delta_enabled_flag" );
#if !JVET_P1006_PICTURE_HEADER
if ( pcPPS->getUseDQP() )
{
WRITE_UVLC( pcPPS->getCuQpDeltaSubdiv(), "cu_qp_delta_subdiv" );
}
#endif
WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cb), "pps_cb_qp_offset" );
WRITE_SVLC( pcPPS->getQpOffset(COMPONENT_Cr), "pps_cr_qp_offset" );
#if JVET_P0667_QP_OFFSET_TABLE_SIGNALING_JCCR
if (pcSPS->getJointCbCrEnabledFlag() == false || pcSPS->getChromaFormatIdc() == CHROMA_400)
{
CHECK(pcPPS->getJointCbCrQpOffsetPresentFlag(), "pps_jcbcr_qp_offset_present_flag should be false");
}
WRITE_FLAG(pcPPS->getJointCbCrQpOffsetPresentFlag() ? 1 : 0, "pps_joint_cbcr_qp_offset_present_flag");
if (pcPPS->getJointCbCrQpOffsetPresentFlag())
{ WRITE_SVLC(pcPPS->getQpOffset(JOINT_CbCr), "pps_joint_cbcr_qp_offset_value");
}
#else
WRITE_SVLC( pcPPS->getQpOffset(JOINT_CbCr), "pps_joint_cbcr_qp_offset" );
#endif
WRITE_FLAG( pcPPS->getSliceChromaQpFlag() ? 1 : 0, "pps_slice_chroma_qp_offsets_present_flag" );
WRITE_FLAG(uint32_t(pcPPS->getCuChromaQpOffsetEnabledFlag()), "cu_chroma_qp_offset_enabled_flag" );
if (pcPPS->getCuChromaQpOffsetEnabledFlag())
{
#if !JVET_P1006_PICTURE_HEADER
WRITE_UVLC(pcPPS->getCuChromaQpOffsetSubdiv(), "pps_cu_chroma_qp_offset_subdiv");
#endif
WRITE_UVLC(pcPPS->getChromaQpOffsetListLen() - 1, "chroma_qp_offset_list_len_minus1");
/* skip zero index */
for (int cuChromaQpOffsetIdx = 0; cuChromaQpOffsetIdx < pcPPS->getChromaQpOffsetListLen(); cuChromaQpOffsetIdx++)
{
WRITE_SVLC(pcPPS->getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CbOffset, "cb_qp_offset_list[i]");
WRITE_SVLC(pcPPS->getChromaQpOffsetListEntry(cuChromaQpOffsetIdx+1).u.comp.CrOffset, "cr_qp_offset_list[i]");
#if JVET_P0667_QP_OFFSET_TABLE_SIGNALING_JCCR
if (pcPPS->getJointCbCrQpOffsetPresentFlag())
{
WRITE_SVLC(pcPPS->getChromaQpOffsetListEntry(cuChromaQpOffsetIdx + 1).u.comp.JointCbCrOffset, "joint_cbcr_qp_offset_list[i]");
}
#else
WRITE_SVLC(pcPPS->getChromaQpOffsetListEntry(cuChromaQpOffsetIdx + 1).u.comp.JointCbCrOffset, "joint_cbcr_qp_offset_list[i]");
#endif
}
}
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)
#if !JVET_P1004_REMOVE_BRICKS
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" );
if (pcPPS->getBrickSplittingPresentFlag())
{
CHECK(pcPPS->getRectSliceFlag() != true, "rect_slice_flag must be equal to 1 for brick_splitting_present_flag equal to 1");
}
int numTilesInPic = (pcPPS->getNumTileColumnsMinus1() + 1) * (pcPPS->getNumTileRowsMinus1() + 1);
if (pcPPS->getUniformTileSpacingFlag() && pcPPS->getBrickSplittingPresentFlag())
{
WRITE_UVLC(numTilesInPic - 1, "num_tiles_in_pic_minus1");
}
for( int i = 0; pcPPS->getBrickSplittingPresentFlag() && i < numTilesInPic; i++ )
{
if (pcPPS->getTileHeight(i) > 1)
{
WRITE_FLAG(pcPPS->getBrickSplitFlag(i) ? 1 : 0, "brick_split_flag [i]");
}
if( pcPPS->getBrickSplitFlag(i) )
{
if (pcPPS->getTileHeight(i) > 2)
{
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->getNumBrickRowsMinus2(i), "num_brick_rows_minus2 [i]");
for (int j = 0; j <= pcPPS->getNumBrickRowsMinus2(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 codeLength = ceilLog2(numTilesInPic);
WRITE_UVLC(codeLength, "bottom_right_brick_idx_length_minus1 ");
for (int i = 0; i < numSlicesInPic; ++i)
{
int delta = (i == 0) ? pcPPS->getBottomRightBrickIdx(i) : pcPPS->getBottomRightBrickIdx(i) - pcPPS->getBottomRightBrickIdx(i - 1);
int sign = (delta > 0) ? 1 : 0;
WRITE_CODE(delta, codeLength, "bottom_right_brick_idx_delta");
WRITE_FLAG(sign, "brick_idx_delta_sign_flag");
}
}
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" );
}
}
}
#endif
#if !JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcPPS->getEntropyCodingSyncEnabledFlag() ? 1 : 0, "entropy_coding_sync_enabled_flag" );
#endif
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" );
}
}
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcPPS->getConstantSliceHeaderParamsEnabledFlag(), "constant_slice_header_params_enabled_flag");
if ( pcPPS->getConstantSliceHeaderParamsEnabledFlag() ) {
WRITE_CODE( pcPPS->getPPSDepQuantEnabledIdc(), 2, "pps_dep_quant_enabled_idc");
WRITE_CODE( pcPPS->getPPSRefPicListSPSIdc0(), 2, "pps_ref_pic_list_sps_idc[0]");
WRITE_CODE( pcPPS->getPPSRefPicListSPSIdc1(), 2, "pps_ref_pic_list_sps_idc[1]");
#if !JVET_P0206_TMVP_flags
WRITE_CODE( pcPPS->getPPSTemporalMVPEnabledIdc(), 2, "pps_temporal_mvp_enabled_idc");
#endif
WRITE_CODE( pcPPS->getPPSMvdL1ZeroIdc(), 2, "pps_mvd_l1_zero_idc");
WRITE_CODE( pcPPS->getPPSCollocatedFromL0Idc(), 2, "pps_collocated_from_l0_idc");
WRITE_UVLC( pcPPS->getPPSSixMinusMaxNumMergeCandPlus1(), "pps_six_minus_max_num_merge_cand_plus1");
#if !JVET_P0152_REMOVE_PPS_NUM_SUBBLOCK_MERGE_CAND
WRITE_UVLC( pcPPS->getPPSFiveMinusMaxNumSubblockMergeCandPlus1(), "pps_five_minus_max_num_subblock_merge_cand_plus1");
#endif
WRITE_UVLC( pcPPS->getPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1(), "pps_max_num_merge_cand_minus_max_num_triangle_cand_plus1");
}
#endif
#if !JVET_P1006_PICTURE_HEADER
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");
for( unsigned i = 0; i < pcPPS->getNumVerVirtualBoundaries(); i++ )
{
WRITE_CODE(pcPPS->getVirtualBoundariesPosX(i) >> 3, 13, "pps_virtual_boundaries_pos_x");
}
WRITE_CODE( pcPPS->getNumHorVirtualBoundaries(), 2, "pps_num_hor_virtual_boundaries");
for( unsigned i = 0; i < pcPPS->getNumHorVirtualBoundaries(); i++ )
{
WRITE_CODE(pcPPS->getVirtualBoundariesPosY(i) >> 3, 13, "pps_virtual_boundaries_pos_y");
}
}
#endif
#if JVET_P1006_PICTURE_HEADER
WRITE_FLAG( pcPPS->getPictureHeaderExtensionPresentFlag() ? 1 : 0, "picture_header_extension_present_flag");
#endif
WRITE_FLAG( pcPPS->getSliceHeaderExtensionPresentFlag() ? 1 : 0, "slice_header_extension_present_flag");
bool pps_extension_present_flag=false;
bool pps_extension_flags[NUM_PPS_EXTENSION_FLAGS]={false};
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();
WRITE_FLAG((ppsRangeExtension.getCrossComponentPredictionEnabledFlag() ? 1 : 0), "cross_component_prediction_enabled_flag" );
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( (int)pcAPS->getAPSType(), 3, "aps_params_type" );
if (pcAPS->getAPSType() == ALF_APS)
{
codeAlfAps(pcAPS);
}
else if (pcAPS->getAPSType() == LMCS_APS)
{
codeLmcsAps (pcAPS);
}
else if( pcAPS->getAPSType() == SCALING_LIST_APS )
{
codeScalingListAps( 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])
{
WRITE_FLAG( param.nonLinearFlag[CHANNEL_TYPE_LUMA][0], "alf_luma_clip" );
WRITE_UVLC(param.numLumaFilters - 1, "alf_luma_num_filters_signalled_minus1");
if (param.numLumaFilters > 1)
{
const int length = ceilLog2( param.numLumaFilters);
for (int i = 0; i < MAX_NUM_ALF_CLASSES; i++)
{
WRITE_CODE(param.filterCoeffDeltaIdx[i], length, "alf_luma_coeff_delta_idx" );
}
}
alfFilter(param, false, 0);
}
if (param.newFilterFlag[CHANNEL_TYPE_CHROMA])
{
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);
}
}
}
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 ]");
}
}
#if JVET_P0371_CHROMA_SCALING_OFFSET
int deltaCRS = param.chrResScalingOffset;
int signCRS = (deltaCRS < 0) ? 1 : 0;
int absCRS = (deltaCRS < 0) ? (-deltaCRS) : deltaCRS;
WRITE_CODE(absCRS, 3, "lmcs_delta_crs_val");
if (absCRS > 0)
{
WRITE_FLAG(signCRS, "lmcs_delta_crs_val_flag");
}
#endif
}
void HLSWriter::codeScalingListAps( APS* pcAPS )
{
ScalingList param = pcAPS->getScalingList(); codeScalingList( param );
}
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_FLAG(pcVUI->getAspectRatioConstantFlag(), "aspect_ratio_constant_flag");
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->getVideoFullRangeFlag(), "video_full_range_flag");
}
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");
}
}
void HLSWriter::codeHrdParameters( const HRDParameters *hrd, const uint32_t firstSubLayer, const uint32_t maxNumSubLayersMinus1)
{
WRITE_FLAG( hrd->getNalHrdParametersPresentFlag() ? 1 : 0 , "general_nal_hrd_parameters_present_flag" );
WRITE_FLAG( hrd->getVclHrdParametersPresentFlag() ? 1 : 0 , "general_vcl_hrd_parameters_present_flag" );
#if JVET_P0202_P0203_FIX_HRD_RELATED_SEI
WRITE_FLAG( hrd->getGeneralDecodingUnitHrdParamsPresentFlag() ? 1 : 0, "general_decoding_unit_hrd_params_present_flag" );
if( hrd->getGeneralDecodingUnitHrdParamsPresentFlag() )
{
WRITE_CODE( hrd->getTickDivisorMinus2(), 8, "tick_divisor_minus2" );
}
WRITE_CODE( hrd->getBitRateScale(), 4, "bit_rate_scale" );
WRITE_CODE( hrd->getCpbSizeScale(), 4, "cpb_size_scale" );
if( hrd->getGeneralDecodingUnitHrdParamsPresentFlag() )
{
WRITE_CODE( hrd->getCpbSizeDuScale(), 4, "cpb_size_du_scale" );
}
#else
if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() )
{
WRITE_FLAG( hrd->getDecodingUnitHrdParamsPresentFlag() ? 1 : 0, "decoding_unit_hrd_params_present_flag" ); if( hrd->getDecodingUnitHrdParamsPresentFlag() )
{
WRITE_CODE( hrd->getTickDivisorMinus2(), 8, "tick_divisor_minus2" );
WRITE_FLAG( hrd->getDecodingUnitCpbParamsInPicTimingSeiFlag() ? 1 : 0, "decoding_unit_cpb_params_in_pic_timing_sei_flag" );
}
WRITE_CODE( hrd->getBitRateScale(), 4, "bit_rate_scale" );
WRITE_CODE( hrd->getCpbSizeScale(), 4, "cpb_size_scale" );
if( hrd->getDecodingUnitHrdParamsPresentFlag() )
{
WRITE_CODE( hrd->getCpbSizeDuScale(), 4, "cpb_size_du_scale" );
}
}
#endif
for( int i = firstSubLayer; 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( int nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ )
{
if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) ||
( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) )
{
for( int 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");
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" );
#if JVET_P0205_VPS_ID_0
WRITE_CODE( pcSPS->getVPSId(), 4, "sps_video_parameter_set_id" );
#endif
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_FLAG(pcSPS->getGDREnabledFlag(), "gdr_enabled_flag");
#if JVET_P0244_SPS_CLEAN_UP
WRITE_CODE( pcSPS->getSPSId (), 4, "sps_seq_parameter_set_id" );
#else
WRITE_UVLC(pcSPS->getSPSId (), "sps_seq_parameter_set_id");
#endif
#if JVET_P0244_SPS_CLEAN_UP
WRITE_CODE(int(pcSPS->getChromaFormatIdc ()), 2, "chroma_format_idc");
#else
WRITE_UVLC( int(pcSPS->getChromaFormatIdc ()), "chroma_format_idc" );
#endif
const ChromaFormat format = pcSPS->getChromaFormatIdc();
if( format == CHROMA_444 )
{
WRITE_FLAG( 0, "separate_colour_plane_flag");
}
#if JVET_P0590_SCALING_WINDOW
WRITE_FLAG( pcSPS->getRprEnabledFlag(), "ref_pic_resampling_enabled_flag" );
#endif
WRITE_UVLC( pcSPS->getMaxPicWidthInLumaSamples(), "pic_width_max_in_luma_samples" );
WRITE_UVLC( pcSPS->getMaxPicHeightInLumaSamples(), "pic_height_max_in_luma_samples" );
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_CODE(floorLog2(pcSPS->getCTUSize()) - 5, 2, "sps_log2_ctu_size_minus5");
#endif
#if JVET_P0126_SIGNALLING_SUBPICID
WRITE_FLAG(pcSPS->getSubPicPresentFlag(), "subpics_present_flag");
#if JVET_P0171_SUBPICTURE_LAYOUT
if(pcSPS->getSubPicPresentFlag())
{
WRITE_CODE(pcSPS->getNumSubPics() - 1, 8, "sps_num_subpics_minus1");
for (int picIdx = 0; picIdx < pcSPS->getNumSubPics(); picIdx++)
{
WRITE_CODE( pcSPS->getSubPicCtuTopLeftX(picIdx), std::max(1, ceilLog2((( pcSPS->getMaxPicWidthInLumaSamples() + pcSPS->getCTUSize() - 1) >> floorLog2( pcSPS->getCTUSize())))), "subpic_ctu_top_left_x[ i ]" );
WRITE_CODE( pcSPS->getSubPicCtuTopLeftY(picIdx), std::max(1, ceilLog2((( pcSPS->getMaxPicHeightInLumaSamples() + pcSPS->getCTUSize() - 1) >> floorLog2( pcSPS->getCTUSize())))), "subpic_ctu_top_left_y[ i ]" );
WRITE_CODE( pcSPS->getSubPicWidth(picIdx) - 1, std::max(1, ceilLog2((( pcSPS->getMaxPicWidthInLumaSamples() + pcSPS->getCTUSize() - 1) >> floorLog2( pcSPS->getCTUSize())))), "subpic_width_minus1[ i ]" );
WRITE_CODE( pcSPS->getSubPicHeight(picIdx) - 1, std::max(1, ceilLog2((( pcSPS->getMaxPicHeightInLumaSamples() + pcSPS->getCTUSize() - 1) >> floorLog2( pcSPS->getCTUSize())))), "subpic_height_minus1[ i ]" );
WRITE_FLAG( pcSPS->getSubPicTreatedAsPicFlag(picIdx), "subpic_treated_as_pic_flag[ i ]" );
WRITE_FLAG( pcSPS->getLoopFilterAcrossSubpicEnabledFlag(picIdx), "loop_filter_across_subpic_enabled_flag[ i ]" );
}
}
#endif
#endif
#if JVET_P1006_PICTURE_HEADER
WRITE_FLAG( pcSPS->getSubPicIdPresentFlag(), "sps_subpic_id_present_flag");
if( pcSPS->getSubPicIdPresentFlag() )
{
WRITE_FLAG(pcSPS->getSubPicIdSignallingPresentFlag(), "sps_subpic_id_signalling_present_flag");
if( pcSPS->getSubPicIdSignallingPresentFlag() )
{
WRITE_UVLC( pcSPS->getSubPicIdLen( ) - 1, "sps_subpic_id_len_minus1" );
for( int picIdx = 0; picIdx < pcSPS->getNumSubPics( ); picIdx++ )
{
WRITE_CODE( pcSPS->getSubPicId(picIdx), pcSPS->getSubPicIdLen( ), "sps_subpic_id[i]" );
}
}
}
#endif
#if JVET_P0243_SINGLE_BIT_DEPTH
WRITE_UVLC( pcSPS->getBitDepth(CHANNEL_TYPE_LUMA) - 8, "bit_depth_minus8" );
#else
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" );#endif
WRITE_UVLC( pcSPS->getMinQpPrimeTsMinus4(CHANNEL_TYPE_LUMA), "min_qp_prime_ts_minus4" );
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)
#if JVET_P0244_SPS_CLEAN_UP
WRITE_CODE(pcSPS->getBitsForPOC()-4, 4, "log2_max_pic_order_cnt_lsb_minus4");
#else
WRITE_UVLC( pcSPS->getBitsForPOC()-4, "log2_max_pic_order_cnt_lsb_minus4" );
#endif
#if !JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcSPS->getIDRRefParamListPresent(), "sps_idr_rpl_present_flag" );
#endif
// KJS: Marakech decision: sub-layers added back
const bool subLayerOrderingInfoPresentFlag = 1;
if (pcSPS->getMaxTLayers() > 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->getInterLayerPresentFlag() ? 1 : 0, "inter_layer_ref_pics_present_flag" );
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG(pcSPS->getIDRRefParamListPresent() ? 1 : 0, "sps_idr_rpl_present_flag" );
#endif
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);
xCodeRefPicList( rpl, pcSPS->getLongTermRefsPresent(), pcSPS->getBitsForPOC(), !pcSPS->getUseWP() && !pcSPS->getUseWPBiPred() );
}
//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);
xCodeRefPicList( rpl, pcSPS->getLongTermRefsPresent(), pcSPS->getBitsForPOC(), !pcSPS->getUseWP() && !pcSPS->getUseWPBiPred() );
}
}
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES
if( pcSPS->getChromaFormatIdc() != CHROMA_400 )
{
WRITE_FLAG(pcSPS->getUseDualITree(), "qtbtt_dual_tree_intra_flag");
}
#else
WRITE_FLAG(pcSPS->getUseDualITree(), "qtbtt_dual_tree_intra_flag");
WRITE_CODE(floorLog2(pcSPS->getCTUSize()) - 5, 2, "log2_ctu_size_minus5");#endif
WRITE_UVLC(pcSPS->getLog2MinCodingBlockSize() - 2, "log2_min_luma_coding_block_size_minus2");
WRITE_FLAG(pcSPS->getSplitConsOverrideEnabledFlag(), "partition_constraints_override_enabled_flag");
WRITE_UVLC(floorLog2(pcSPS->getMinQTSize(I_SLICE)) - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_slice_luma");
WRITE_UVLC(floorLog2(pcSPS->getMinQTSize(B_SLICE)) - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_inter_slice");
WRITE_UVLC(pcSPS->getMaxMTTHierarchyDepth(), "sps_max_mtt_hierarchy_depth_inter_slice");
WRITE_UVLC(pcSPS->getMaxMTTHierarchyDepthI(), "sps_max_mtt_hierarchy_depth_intra_slice_luma");
if (pcSPS->getMaxMTTHierarchyDepthI() != 0)
{
WRITE_UVLC(floorLog2(pcSPS->getMaxBTSizeI()) - floorLog2(pcSPS->getMinQTSize(I_SLICE)), "sps_log2_diff_max_bt_min_qt_intra_slice_luma");
WRITE_UVLC(floorLog2(pcSPS->getMaxTTSizeI()) - floorLog2(pcSPS->getMinQTSize(I_SLICE)), "sps_log2_diff_max_tt_min_qt_intra_slice_luma");
}
if (pcSPS->getMaxMTTHierarchyDepth() != 0)
{
WRITE_UVLC(floorLog2(pcSPS->getMaxBTSize()) - floorLog2(pcSPS->getMinQTSize(B_SLICE)), "sps_log2_diff_max_bt_min_qt_inter_slice");
WRITE_UVLC(floorLog2(pcSPS->getMaxTTSize()) - floorLog2(pcSPS->getMinQTSize(B_SLICE)), "sps_log2_diff_max_tt_min_qt_inter_slice");
}
if (pcSPS->getUseDualITree())
{
WRITE_UVLC(floorLog2(pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - pcSPS->getLog2MinCodingBlockSize(), "sps_log2_diff_min_qt_min_cb_intra_slice_chroma");
WRITE_UVLC(pcSPS->getMaxMTTHierarchyDepthIChroma(), "sps_max_mtt_hierarchy_depth_intra_slice_chroma");
if (pcSPS->getMaxMTTHierarchyDepthIChroma() != 0)
{
WRITE_UVLC(floorLog2(pcSPS->getMaxBTSizeIChroma()) - floorLog2(pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)), "sps_log2_diff_max_bt_min_qt_intra_slice_chroma");
WRITE_UVLC(floorLog2(pcSPS->getMaxTTSizeIChroma()) - floorLog2(pcSPS->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)), "sps_log2_diff_max_tt_min_qt_intra_slice_chroma");
}
}
WRITE_FLAG( (pcSPS->getLog2MaxTbSize() - 5) ? 1 : 0, "sps_max_luma_transform_size_64_flag" );
#if JVET_P0667_QP_OFFSET_TABLE_SIGNALING_JCCR
WRITE_FLAG(pcSPS->getJointCbCrEnabledFlag(), "sps_joint_cbcr_enabled_flag");
#endif
if (pcSPS->getChromaFormatIdc() != CHROMA_400)
{
const ChromaQpMappingTable& chromaQpMappingTable = pcSPS->getChromaQpMappingTable();
WRITE_FLAG(chromaQpMappingTable.getSameCQPTableForAllChromaFlag(), "same_qp_table_for_chroma");
#if JVET_P0667_QP_OFFSET_TABLE_SIGNALING_JCCR
int numQpTables = chromaQpMappingTable.getSameCQPTableForAllChromaFlag() ? 1 : (pcSPS->getJointCbCrEnabledFlag() ? 3 : 2);
CHECK(numQpTables != chromaQpMappingTable.getNumQpTables(), " numQpTables does not match at encoder side ");
for (int i = 0; i < numQpTables; i++)
#else
for (int i = 0; i < (chromaQpMappingTable.getSameCQPTableForAllChromaFlag() ? 1 : 3); i++)
#endif
{
#if JVET_P0410_CHROMA_QP_MAPPING
WRITE_SVLC(chromaQpMappingTable.getQpTableStartMinus26(i), "qp_table_starts_minus26");
#endif
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");
#if JVET_P0469_QP_OUT_VAL
WRITE_UVLC(chromaQpMappingTable.getDeltaQpOutVal(i, j) ^ chromaQpMappingTable.getDeltaQpInValMinus1(i, j),
"delta_qp_diff_val");
#else
WRITE_UVLC(chromaQpMappingTable.getDeltaQpOutVal(i, j), "delta_qp_out_val");
#endif
}
}
}
WRITE_FLAG( pcSPS->getSAOEnabledFlag(), "sps_sao_enabled_flag");
WRITE_FLAG( pcSPS->getALFEnabledFlag(), "sps_alf_enabled_flag" );
WRITE_FLAG(pcSPS->getTransformSkipEnabledFlag() ? 1 : 0, "sps_transform_skip_enabled_flag");
if (pcSPS->getTransformSkipEnabledFlag())
{
#if JVET_P0059_CHROMA_BDPCM WRITE_FLAG(pcSPS->getBDPCMEnabled() ? 1 : 0, "sps_bdpcm_enabled_flag");
if (pcSPS->getBDPCMEnabled() && pcSPS->getChromaFormatIdc() == CHROMA_444)
{
WRITE_FLAG(pcSPS->getBDPCMEnabled() == BDPCM_LUMACHROMA ? 1 : 0, "sps_bdpcm_enabled_chroma_flag");
}
else
{
CHECK(pcSPS->getBDPCMEnabled() == BDPCM_LUMACHROMA, "BDPCM for chroma can be used for 444 only.")
}
#else
WRITE_FLAG(pcSPS->getBDPCMEnabledFlag() ? 1 : 0, "sps_bdpcm_enabled_flag");
#endif
}
else
{
#if JVET_P0059_CHROMA_BDPCM
CHECK(pcSPS->getBDPCMEnabled()!=0, "BDPCM cannot be used when transform skip is disabled");
#else
CHECK(pcSPS->getBDPCMEnabledFlag(), "BDPCM cannot be used when transform skip is disabled");
#endif
}
#if !JVET_P0667_QP_OFFSET_TABLE_SIGNALING_JCCR
WRITE_FLAG( pcSPS->getJointCbCrEnabledFlag(), "sps_joint_cbcr_enabled_flag");
#endif
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_P2001_SYNTAX_ORDER_MISMATCHES && JVET_P0314_PROF_BDOF_DMVR_HLS
if (pcSPS->getBDOFEnabledFlag())
{
WRITE_FLAG(pcSPS->getBdofControlPresentFlag() ? 1 : 0, "sps_bdof_pic_present_flag");
}
#endif
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcSPS->getUseSMVD() ? 1 : 0, "sps_smvd_enabled_flag" );
#endif
WRITE_FLAG( pcSPS->getUseDMVR() ? 1 : 0, "sps_dmvr_enabled_flag" );
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES && JVET_P0314_PROF_BDOF_DMVR_HLS
if (pcSPS->getUseDMVR())
{
WRITE_FLAG(pcSPS->getDmvrControlPresentFlag() ? 1 : 0, "sps_dmvr_pic_present_flag");
}
#endif
WRITE_FLAG(pcSPS->getUseMMVD() ? 1 : 0, "sps_mmvd_enabled_flag");
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcSPS->getUseISP() ? 1 : 0, "sps_isp_enabled_flag");
WRITE_FLAG( pcSPS->getUseMRL() ? 1 : 0, "sps_mrl_enabled_flag");
WRITE_FLAG( pcSPS->getUseMIP() ? 1 : 0, "sps_mip_enabled_flag");
if( pcSPS->getChromaFormatIdc() != CHROMA_400)
{
WRITE_FLAG( pcSPS->getUseLMChroma() ? 1 : 0, "sps_cclm_enabled_flag");
}
#else
// KJS: sps_cclm_enabled_flag
WRITE_FLAG( pcSPS->getUseLMChroma() ? 1 : 0, "lm_chroma_enabled_flag" );
#endif
#if JVET_P0592_CHROMA_PHASE
if( pcSPS->getChromaFormatIdc() == CHROMA_420 )
{
WRITE_FLAG( pcSPS->getHorCollocatedChromaFlag() ? 1 : 0, "sps_chroma_horizontal_collocated_flag" );
WRITE_FLAG( pcSPS->getVerCollocatedChromaFlag() ? 1 : 0, "sps_chroma_vertical_collocated_flag" );
}
#else
if ( pcSPS->getUseLMChroma() && pcSPS->getChromaFormatIdc() == CHROMA_420 )
{
WRITE_FLAG( pcSPS->getCclmCollocatedChromaFlag() ? 1 : 0, "sps_cclm_collocated_chroma_flag" );
}
#endif
WRITE_FLAG( pcSPS->getUseMTS() ? 1 : 0, "sps_mts_enabled_flag" );
if ( pcSPS->getUseMTS() )
{
WRITE_FLAG( pcSPS->getUseIntraMTS() ? 1 : 0, "sps_explicit_mts_intra_enabled_flag" );
WRITE_FLAG( pcSPS->getUseInterMTS() ? 1 : 0, "sps_explicit_mts_inter_enabled_flag" );
}
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcSPS->getUseSBT() ? 1 : 0, "sps_sbt_enabled_flag");
#else
WRITE_FLAG( pcSPS->getUseLFNST() ? 1 : 0, "lfnst_enabled_flag" );
WRITE_FLAG( pcSPS->getUseSMVD() ? 1 : 0, "smvd_flag" );
#endif
WRITE_FLAG( pcSPS->getUseAffine() ? 1 : 0, "sps_affine_enabled_flag" );
if ( pcSPS->getUseAffine() )
{
WRITE_FLAG( pcSPS->getUseAffineType() ? 1 : 0, "sps_affine_type_flag" );
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcSPS->getAffineAmvrEnabledFlag() ? 1 : 0, "sps_affine_amvr_enabled_flag" );
WRITE_FLAG( pcSPS->getUsePROF() ? 1 : 0, "sps_affine_prof_enabled_flag" );
#if JVET_P0314_PROF_BDOF_DMVR_HLS
if (pcSPS->getUsePROF())
{
WRITE_FLAG(pcSPS->getProfControlPresentFlag() ? 1 : 0, "sps_prof_pic_present_flag" );
}
#endif
#else
WRITE_FLAG( pcSPS->getUsePROF() ? 1 : 0, "sps_prof_enabled_flag" );
WRITE_FLAG( pcSPS->getAffineAmvrEnabledFlag() ? 1 : 0, "sps_affine_amvr_enabled_flag" );
#endif
}
#if !JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcSPS->getUseBcw() ? 1 : 0, "bcw_flag" );
#endif
#if JVET_P0517_ADAPTIVE_COLOR_TRANSFORM
if (pcSPS->getChromaFormatIdc() == CHROMA_444)
{
WRITE_FLAG(pcSPS->getUseColorTrans() ? 1 : 0, "sps_act_enabled_flag");
}
#endif
if (pcSPS->getChromaFormatIdc() == CHROMA_444)
{
WRITE_FLAG(pcSPS->getPLTMode() ? 1 : 0, "sps_palette_enabled_flag" );
}
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcSPS->getUseBcw() ? 1 : 0, "sps_bcw_enabled_flag" );
#endif
WRITE_FLAG(pcSPS->getIBCFlag() ? 1 : 0, "sps_ibc_enabled_flag");
// KJS: sps_ciip_enabled_flag
WRITE_FLAG( pcSPS->getUseCiip() ? 1 : 0, "sps_ciip_enabled_flag" );
if ( pcSPS->getUseMMVD() )
{
WRITE_FLAG( pcSPS->getFpelMmvdEnabledFlag() ? 1 : 0, "sps_fpel_mmvd_enabled_flag" );
}
#if JVET_P0314_PROF_BDOF_DMVR_HLS#if !JVET_P2001_SYNTAX_ORDER_MISMATCHES
if (pcSPS->getBDOFEnabledFlag())
{
WRITE_FLAG(pcSPS->getBdofControlPresentFlag() ? 1 : 0, "sps_bdof_picture_level_present_flag");
}
if (pcSPS->getUseDMVR())
{
WRITE_FLAG(pcSPS->getDmvrControlPresentFlag() ? 1 : 0, "sps_dmvr_picture_level_present_flag");
}
if (pcSPS->getUsePROF())
{
WRITE_FLAG(pcSPS->getProfControlPresentFlag() ? 1 : 0, "sps_prof_picture_level_present_flag");
}
#endif
#else
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, "sps_triangle_enabled_flag" );
#if !JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcSPS->getUseMIP() ? 1: 0, "sps_mip_flag" );
// KJS: not in draft yet
WRITE_FLAG( pcSPS->getUseSBT() ? 1 : 0, "sbt_enable_flag");
#endif
#if !JVET_P0983_REMOVE_SPS_SBT_MAX_SIZE_FLAG
if( pcSPS->getUseSBT() )
{
WRITE_FLAG(pcSPS->getMaxSbtSize() == 64 ? 1 : 0, "max_sbt_size_64_flag");
}
#endif
WRITE_FLAG(pcSPS->getUseLmcs() ? 1 : 0, "sps_lmcs_enable_flag");
#if JVET_P2001_SYNTAX_ORDER_MISMATCHES
WRITE_FLAG( pcSPS->getUseLFNST() ? 1 : 0, "sps_lfnst_enabled_flag" );
#else
WRITE_FLAG( pcSPS->getUseISP() ? 1 : 0, "isp_enable_flag");
#endif
#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, "sps_scaling_list_enabled_flag" );
#if JVET_P1006_PICTURE_HEADER
WRITE_FLAG( pcSPS->getLoopFilterAcrossVirtualBoundariesDisabledFlag(), "sps_loop_filter_across_virtual_boundaries_disabled_present_flag" );
if( pcSPS->getLoopFilterAcrossVirtualBoundariesDisabledFlag() )
{
WRITE_CODE( pcSPS->getNumVerVirtualBoundaries(), 2, "sps_num_ver_virtual_boundaries");
for( unsigned i = 0; i < pcSPS->getNumVerVirtualBoundaries(); i++ )
{
WRITE_CODE((pcSPS->getVirtualBoundariesPosX(i)>>3), 13, "sps_virtual_boundaries_pos_x");
}
WRITE_CODE(pcSPS->getNumHorVirtualBoundaries(), 2, "sps_num_hor_virtual_boundaries"); for( unsigned i = 0; i < pcSPS->getNumHorVirtualBoundaries(); i++ )
{
WRITE_CODE((pcSPS->getVirtualBoundariesPosY(i)>>3), 13, "sps_virtual_boundaries_pos_y");
}
}
#endif
const TimingInfo *timingInfo = pcSPS->getTimingInfo();
WRITE_FLAG(pcSPS->getHrdParametersPresentFlag(), "general_hrd_parameters_present_flag");
if( pcSPS->getHrdParametersPresentFlag() )
{
WRITE_CODE(timingInfo->getNumUnitsInTick(), 32, "num_units_in_tick");
WRITE_CODE(timingInfo->getTimeScale(), 32, "time_scale");
WRITE_FLAG(pcSPS->getSubLayerParametersPresentFlag(), "sub_layer_cpb_parameters_present_flag");
if (pcSPS->getSubLayerParametersPresentFlag())
{
codeHrdParameters(pcSPS->getHrdParameters(), 0, pcSPS->getMaxTLayers() - 1);
}
else
{
codeHrdParameters(pcSPS->getHrdParameters(), pcSPS->getMaxTLayers() - 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" );
#if !JVET_P0478_PTL_DPS
WRITE_FLAG( 0, "dps_reserved_zero_bit" );
ProfileTierLevel ptl = dps->getProfileTierLevel();
codeProfileTierLevel( &ptl, dps->getMaxSubLayersMinus1() );
#else
WRITE_CODE( 0, 5, "dps_reserved_zero_5bits" );
uint32_t numPTLs = (uint32_t) dps->getNumPTLs();
CHECK (numPTLs<1, "At least one PTL must be available in DPS");
WRITE_CODE( numPTLs - 1, 4, "dps_num_ptls_minus1" );
for (int i=0; i< numPTLs; i++)
{
ProfileTierLevel ptl = dps->getProfileTierLevel(i);
codeProfileTierLevel( &ptl, dps->getMaxSubLayersMinus1() );
}
#endif
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, 6, "vps_max_layers_minus1");
WRITE_CODE(pcVPS->getMaxSubLayers() - 1, 3, "vps_max_sublayers_minus1");
if (pcVPS->getMaxLayers() > 1 && pcVPS->getMaxSubLayers() > 1)
{
WRITE_FLAG(pcVPS->getAllLayersSameNumSublayersFlag(), "vps_all_layers_same_num_sublayers_flag");
}
if (pcVPS->getMaxLayers() > 1)
{
WRITE_FLAG(pcVPS->getAllIndependentLayersFlag(), "vps_all_independent_layers_flag");
}
for (uint32_t i = 0; i < pcVPS->getMaxLayers(); i++)
{ WRITE_CODE(pcVPS->getLayerId(i), 6, "vps_layer_id");
if (i > 0 && !pcVPS->getAllIndependentLayersFlag())
{
WRITE_FLAG(pcVPS->getIndependentLayerFlag(i), "vps_independent_layer_flag");
if (!pcVPS->getIndependentLayerFlag(i))
{
for (int j = 0; j < i; j++)
{
WRITE_FLAG(pcVPS->getDirectRefLayerFlag(i, j), "vps_direct_dependency_flag");
}
}
}
}
if( pcVPS->getMaxLayers() > 1 )
{
if (pcVPS->getAllIndependentLayersFlag())
{
WRITE_FLAG(pcVPS->getEachLayerIsAnOlsFlag(), "vps_each_layer_is_an_ols_flag");
}
if (!pcVPS->getEachLayerIsAnOlsFlag())
{
if (!pcVPS->getAllIndependentLayersFlag()) {
WRITE_CODE(pcVPS->getOlsModeIdc(), 2, "vps_ols_mode_idc");
}
if (pcVPS->getOlsModeIdc() == 2)
{
WRITE_CODE(pcVPS->getNumOutputLayerSets() - 1, 8, "vps_num_output_layer_sets_minus1");
for (uint32_t i = 1; i < pcVPS->getNumOutputLayerSets(); i++)
{
for (uint32_t j = 0; j < pcVPS->getMaxLayers(); j++)
{
WRITE_FLAG(pcVPS->getOlsOutputLayerFlag(i, j), "vps_ols_output_layer_flag");
}
}
}
}
}
WRITE_FLAG(0, "vps_extension_flag");
//future extensions here..
xWriteRbspTrailingBits();
}
#if JVET_P1006_PICTURE_HEADER
void HLSWriter::codePictureHeader( PicHeader* picHeader )
{
const PPS* pps = NULL;
const SPS* sps = NULL;
#if ENABLE_TRACING
xTracePictureHeader ();
#endif
CodingStructure& cs = *picHeader->getPic()->cs;
WRITE_FLAG(picHeader->getNonReferencePictureFlag(), "non_reference_picture_flag");
WRITE_FLAG(picHeader->getGdrPicFlag(), "gdr_pic_flag");
WRITE_FLAG(picHeader->getNoOutputOfPriorPicsFlag(), "no_output_of_prior_pics_flag");
if( picHeader->getGdrPicFlag() )
{
WRITE_UVLC(picHeader->getRecoveryPocCnt(), "recovery_poc_cnt");
}
else
{
picHeader->setRecoveryPocCnt( 0 );
}
// parameter sets
WRITE_UVLC(picHeader->getPPSId(), "ph_pic_parameter_set_id");
pps = cs.slice->getPPS(); CHECK(pps==0, "Invalid PPS");
sps = cs.slice->getSPS();
CHECK(sps==0, "Invalid SPS");
// sub-picture IDs
if( sps->getSubPicIdPresentFlag() )
{
if( sps->getSubPicIdSignallingPresentFlag() )
{
for( int picIdx = 0; picIdx < sps->getNumSubPics( ); picIdx++ )
{
picHeader->setSubPicId( picIdx, sps->getSubPicId( picIdx ) );
}
}
else
{
WRITE_FLAG(picHeader->getSubPicIdSignallingPresentFlag(), "ph_subpic_id_signalling_present_flag");
if( picHeader->getSubPicIdSignallingPresentFlag() )
{
WRITE_UVLC( picHeader->getSubPicIdLen() - 1, "ph_subpic_id_len_minus1" );
for( int picIdx = 0; picIdx < sps->getNumSubPics( ); picIdx++ )
{
WRITE_CODE(picHeader->getSubPicId(picIdx), picHeader->getSubPicIdLen( ), "ph_subpic_id[i]" );
}
}
else
{
for( int picIdx = 0; picIdx < pps->getNumSubPics( ); picIdx++ )
{
picHeader->setSubPicId( picIdx, pps->getSubPicId( picIdx ) );
}
}
}
}
else
{
for( int picIdx = 0; picIdx < sps->getNumSubPics( ); picIdx++ )
{
picHeader->setSubPicId( picIdx, picIdx );
}
}
// virtual boundaries
if( !sps->getLoopFilterAcrossVirtualBoundariesDisabledFlag() )
{
WRITE_FLAG( picHeader->getLoopFilterAcrossVirtualBoundariesDisabledFlag(), "ph_loop_filter_across_virtual_boundaries_disabled_present_flag" );
if( picHeader->getLoopFilterAcrossVirtualBoundariesDisabledFlag() )
{
WRITE_CODE(picHeader->getNumVerVirtualBoundaries(), 2, "ph_num_ver_virtual_boundaries");
for( unsigned i = 0; i < picHeader->getNumVerVirtualBoundaries(); i++ )
{
WRITE_CODE(picHeader->getVirtualBoundariesPosX(i) >> 3, 13, "ph_virtual_boundaries_pos_x");
}
WRITE_CODE(picHeader->getNumHorVirtualBoundaries(), 2, "ph_num_hor_virtual_boundaries");
for( unsigned i = 0; i < picHeader->getNumHorVirtualBoundaries(); i++ )
{
WRITE_CODE(picHeader->getVirtualBoundariesPosY(i)>>3, 13, "ph_virtual_boundaries_pos_y");
}
}
else
{
picHeader->setLoopFilterAcrossVirtualBoundariesDisabledFlag( 0 );
picHeader->setNumVerVirtualBoundaries( 0 );
picHeader->setNumHorVirtualBoundaries( 0 );
}
}
else
{
picHeader->setLoopFilterAcrossVirtualBoundariesDisabledFlag( sps->getLoopFilterAcrossVirtualBoundariesDisabledFlag() );
picHeader->setNumVerVirtualBoundaries( sps->getNumVerVirtualBoundaries() ); picHeader->setNumHorVirtualBoundaries( sps->getNumHorVirtualBoundaries() );
for( unsigned i = 0; i < 3; i++ )
{
picHeader->setVirtualBoundariesPosX( sps->getVirtualBoundariesPosX(i), i );
picHeader->setVirtualBoundariesPosY( sps->getVirtualBoundariesPosY(i), i );
}
}
// 4:4:4 colour plane ID
if( sps->getSeparateColourPlaneFlag() )
{
WRITE_CODE( picHeader->getColourPlaneId(), 2, "colour_plane_id" );
}
else
{
picHeader->setColourPlaneId( 0 );
}
// picture output flag
if( pps->getOutputFlagPresentFlag() )
{
WRITE_FLAG( picHeader->getPicOutputFlag(), "pic_output_flag" );
}
else
{
picHeader->setPicOutputFlag(true);
}
// reference picture lists
WRITE_FLAG( picHeader->getPicRplPresentFlag(), "pic_rpl_present_flag" );
if( picHeader->getPicRplPresentFlag() )
{
// List0 and List1
for(int listIdx = 0; listIdx < 2; listIdx++)
{
// copy L1 index from L0 index
if (listIdx == 1 && !pps->getRpl1IdxPresentFlag())
{
picHeader->setRPL1idx(picHeader->getRPL0idx());
}
// RPL in picture header or SPS
else if (sps->getNumRPL(listIdx) > 0)
{
if (!pps->getPPSRefPicListSPSIdc(listIdx))
{
WRITE_FLAG(picHeader->getRPLIdx(listIdx) != -1 ? 1 : 0, "pic_rpl_sps_flag[i]");
}
else if (pps->getPPSRefPicListSPSIdc( listIdx ) == 1)
{
picHeader->setRPLIdx( listIdx, -1);
}
}
else
{
picHeader->setRPLIdx( listIdx, -1 );
}
// use list from SPS
if (picHeader->getRPLIdx(listIdx) != -1)
{
if (listIdx == 1 && !pps->getRpl1IdxPresentFlag())
{
}
else if (sps->getNumRPL( listIdx ) > 1)
{
int numBits = ceilLog2(sps->getNumRPL( listIdx ));
WRITE_CODE(picHeader->getRPLIdx(listIdx), numBits, "pic_rpl_idx[i]");
}
else
{ picHeader->setRPLIdx( listIdx, 0 );
}
picHeader->setRPL( listIdx, sps->getRPLList( listIdx )->getReferencePictureList(picHeader->getRPLIdx(listIdx)));
}
// explicit RPL in picture header
else
{
xCodeRefPicList( picHeader->getRPL(listIdx), sps->getLongTermRefsPresent(), sps->getBitsForPOC(), !sps->getUseWP() && !sps->getUseWPBiPred() );
}
// POC MSB cycle signalling for LTRP
if (picHeader->getRPL(listIdx)->getNumberOfLongtermPictures())
{
for (int i = 0; i < picHeader->getRPL(listIdx)->getNumberOfLongtermPictures() + picHeader->getRPL(listIdx)->getNumberOfShorttermPictures(); i++)
{
if (picHeader->getRPL(listIdx)->isRefPicLongterm(i))
{
if (picHeader->getRPL(listIdx)->getLtrpInSliceHeaderFlag())
{
WRITE_CODE(picHeader->getRPL(listIdx)->getRefPicIdentifier(i), sps->getBitsForPOC(),
"pic_poc_lsb_lt[listIdx][rplsIdx][j]");
}
WRITE_FLAG(picHeader->getLocalRPL(listIdx)->getDeltaPocMSBPresentFlag(i) ? 1 : 0, "pic_delta_poc_msb_present_flag[i][j]");
if (picHeader->getLocalRPL(listIdx)->getDeltaPocMSBPresentFlag(i))
{
WRITE_UVLC(picHeader->getLocalRPL(listIdx)->getDeltaPocMSBCycleLT(i), "pic_delta_poc_msb_cycle_lt[i][j]");
}
}
}
}
}
}
// partitioning constraint overrides
if (sps->getSplitConsOverrideEnabledFlag())
{
WRITE_FLAG(picHeader->getSplitConsOverrideFlag(), "partition_constraints_override_flag");
if (picHeader->getSplitConsOverrideFlag())
{
WRITE_UVLC(floorLog2(picHeader->getMinQTSize(I_SLICE)) - sps->getLog2MinCodingBlockSize(), "pic_log2_diff_min_qt_min_cb_intra_slice_luma");
WRITE_UVLC(floorLog2(picHeader->getMinQTSize(P_SLICE)) - sps->getLog2MinCodingBlockSize(), "pic_log2_diff_min_qt_min_cb_inter_slice");
WRITE_UVLC(picHeader->getMaxMTTHierarchyDepth(P_SLICE), "pic_max_mtt_hierarchy_depth_inter_slice");
WRITE_UVLC(picHeader->getMaxMTTHierarchyDepth(I_SLICE), "pic_max_mtt_hierarchy_depth_intra_slice_luma");
if (picHeader->getMaxMTTHierarchyDepth(I_SLICE) != 0)
{
WRITE_UVLC(floorLog2(picHeader->getMaxBTSize(I_SLICE)) - floorLog2(picHeader->getMinQTSize(I_SLICE)), "pic_log2_diff_max_bt_min_qt_intra_slice_luma");
WRITE_UVLC(floorLog2(picHeader->getMaxTTSize(I_SLICE)) - floorLog2(picHeader->getMinQTSize(I_SLICE)), "pic_log2_diff_max_tt_min_qt_intra_slice_luma");
}
if (picHeader->getMaxMTTHierarchyDepth(P_SLICE) != 0)
{
WRITE_UVLC(floorLog2(picHeader->getMaxBTSize(P_SLICE)) - floorLog2(picHeader->getMinQTSize(P_SLICE)), "pic_log2_diff_max_bt_min_qt_inter_slice");
WRITE_UVLC(floorLog2(picHeader->getMaxTTSize(P_SLICE)) - floorLog2(picHeader->getMinQTSize(P_SLICE)), "pic_log2_diff_max_tt_min_qt_inter_slice");
}
if (sps->getUseDualITree())
{
WRITE_UVLC(floorLog2(picHeader->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - sps->getLog2MinCodingBlockSize(), "pic_log2_diff_min_qt_min_cb_intra_slice_chroma");
WRITE_UVLC(picHeader->getMaxMTTHierarchyDepth(I_SLICE, CHANNEL_TYPE_CHROMA), "pic_max_mtt_hierarchy_depth_intra_slice_chroma");
if (picHeader->getMaxMTTHierarchyDepth(I_SLICE, CHANNEL_TYPE_CHROMA) != 0)
{
WRITE_UVLC(floorLog2(picHeader->getMaxBTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - floorLog2(picHeader->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)), "pic_log2_diff_max_bt_min_qt_intra_slice_chroma");
WRITE_UVLC(floorLog2(picHeader->getMaxTTSize(I_SLICE, CHANNEL_TYPE_CHROMA)) - floorLog2(picHeader->getMinQTSize(I_SLICE, CHANNEL_TYPE_CHROMA)), "pic_log2_diff_max_tt_min_qt_intra_slice_chroma");
}
}
}
}
else
{
picHeader->setSplitConsOverrideFlag(0);
}
// inherit constraint values from SPS
if (!sps->getSplitConsOverrideEnabledFlag() || !picHeader->getSplitConsOverrideFlag())
{
picHeader->setMinQTSizes(sps->getMinQTSizes());
picHeader->setMaxMTTHierarchyDepths(sps->getMaxMTTHierarchyDepths());
picHeader->setMaxBTSizes(sps->getMaxBTSizes());
picHeader->setMaxTTSizes(sps->getMaxTTSizes());
}
// delta quantization and chrom and chroma offset
if (pps->getUseDQP())
{
WRITE_UVLC( picHeader->getCuQpDeltaSubdivIntra(), "pic_cu_qp_delta_subdiv_intra_slice" );
WRITE_UVLC( picHeader->getCuQpDeltaSubdivInter(), "pic_cu_qp_delta_subdiv_inter_slice" );
}
else
{
picHeader->setCuQpDeltaSubdivIntra( 0 );
picHeader->setCuQpDeltaSubdivInter( 0 );
}
if (pps->getCuChromaQpOffsetEnabledFlag())
{
WRITE_UVLC( picHeader->getCuChromaQpOffsetSubdivIntra(), "pic_cu_chroma_qp_offset_subdiv_intra_slice" );
WRITE_UVLC( picHeader->getCuChromaQpOffsetSubdivInter(), "pic_cu_chroma_qp_offset_subdiv_inter_slice" );
}
else
{
picHeader->setCuChromaQpOffsetSubdivIntra( 0 );
picHeader->setCuChromaQpOffsetSubdivInter( 0 );
}
// temporal motion vector prediction
if (sps->getSPSTemporalMVPEnabledFlag())
{
WRITE_FLAG( picHeader->getEnableTMVPFlag(), "pic_temporal_mvp_enabled_flag" );
}
else
{
picHeader->setEnableTMVPFlag(false);
}
// mvd L1 zero flag
if (!pps->getPPSMvdL1ZeroIdc())
{
WRITE_FLAG(picHeader->getMvdL1ZeroFlag(), "pic_mvd_l1_zero_flag");
}
else
{
picHeader->setMvdL1ZeroFlag( pps->getPPSMvdL1ZeroIdc() - 1 );
}
// merge candidate list size
if (!pps->getPPSSixMinusMaxNumMergeCandPlus1())
{
CHECK(picHeader->getMaxNumMergeCand() > MRG_MAX_NUM_CANDS, "More merge candidates signalled than supported");
WRITE_UVLC(MRG_MAX_NUM_CANDS - picHeader->getMaxNumMergeCand(), "pic_six_minus_max_num_merge_cand");
}
else
{
picHeader->setMaxNumMergeCand(MRG_MAX_NUM_CANDS - (pps->getPPSSixMinusMaxNumMergeCandPlus1() - 1));
}
// subblock merge candidate list size
if ( sps->getUseAffine() )
{
CHECK( picHeader->getMaxNumAffineMergeCand() > AFFINE_MRG_MAX_NUM_CANDS, "More affine merge candidates signalled than supported" );
WRITE_UVLC(AFFINE_MRG_MAX_NUM_CANDS - picHeader->getMaxNumAffineMergeCand(), "pic_five_minus_max_num_subblock_merge_cand");
}
else
{ picHeader->setMaxNumAffineMergeCand( sps->getSBTMVPEnabledFlag() && picHeader->getEnableTMVPFlag() );
}
// full-pel MMVD flag
if (sps->getFpelMmvdEnabledFlag())
{
WRITE_FLAG( picHeader->getDisFracMMVD(), "pic_fpel_mmvd_enabled_flag" );
}
else
{
picHeader->setDisFracMMVD(false);
}
#if JVET_P0314_PROF_BDOF_DMVR_HLS
// picture level BDOF disable flags
if (sps->getBdofControlPresentFlag())
{
WRITE_FLAG(picHeader->getDisBdofFlag(), "pic_disable_bdof_flag");
}
else
{
picHeader->setDisBdofFlag(0);
}
// picture level DMVR disable flags
if (sps->getDmvrControlPresentFlag())
{
WRITE_FLAG(picHeader->getDisDmvrFlag(), "pic_disable_dmvr_flag");
}
else
{
picHeader->setDisDmvrFlag(0);
}
// picture level PROF disable flags
if (sps->getProfControlPresentFlag())
{
WRITE_FLAG(picHeader->getDisProfFlag(), "pic_disable_prof_flag");
}
else
{
picHeader->setDisProfFlag(0);
}
#else
// picture level BDOF/DMVR/PROF disable flags
if (sps->getBdofDmvrSlicePresentFlag())
{
WRITE_FLAG(picHeader->getDisBdofDmvrFlag(), "pic_disable_bdof_dmvr_flag");
}
else
{
picHeader->setDisBdofDmvrFlag(0);
}
#endif
// triangle merge candidate list size
if (sps->getUseTriangle() && picHeader->getMaxNumMergeCand() >= 2)
{
if (!pps->getPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1())
{
CHECK(picHeader->getMaxNumMergeCand() < picHeader->getMaxNumTriangleCand(), "Incorrrect max number of triangle candidates!");
WRITE_UVLC(picHeader->getMaxNumMergeCand() - picHeader->getMaxNumTriangleCand(), "pic_max_num_merge_cand_minus_max_num_triangle_cand");
}
else
{
picHeader->setMaxNumTriangleCand((uint32_t)(picHeader->getMaxNumMergeCand() - (pps->getPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1() - 1)));
}
}
// ibc merge candidate list size if (sps->getIBCFlag())
{
CHECK( picHeader->getMaxNumIBCMergeCand() > IBC_MRG_MAX_NUM_CANDS, "More IBC merge candidates signalled than supported" );
WRITE_UVLC(IBC_MRG_MAX_NUM_CANDS - picHeader->getMaxNumIBCMergeCand(), "pic_six_minus_max_num_ibc_merge_cand");
}
// joint Cb/Cr sign flag
if (sps->getJointCbCrEnabledFlag())
{
WRITE_FLAG( picHeader->getJointCbCrSignFlag(), "pic_joint_cbcr_sign_flag" );
}
else
{
picHeader->setJointCbCrSignFlag(false);
}
// sao enable flags
if(sps->getSAOEnabledFlag())
{
WRITE_FLAG(picHeader->getSaoEnabledPresentFlag(), "pic_sao_enabled_present_flag");
if (picHeader->getSaoEnabledPresentFlag())
{
WRITE_FLAG(picHeader->getSaoEnabledFlag(CHANNEL_TYPE_LUMA), "slice_sao_luma_flag");
if (sps->getChromaFormatIdc() != CHROMA_400)
{
WRITE_FLAG(picHeader->getSaoEnabledFlag(CHANNEL_TYPE_CHROMA), "slice_sao_chroma_flag");
}
}
else
{
picHeader->setSaoEnabledFlag(CHANNEL_TYPE_LUMA, true);
picHeader->setSaoEnabledFlag(CHANNEL_TYPE_CHROMA, true);
}
}
else
{
picHeader->setSaoEnabledFlag(CHANNEL_TYPE_LUMA, false);
picHeader->setSaoEnabledFlag(CHANNEL_TYPE_CHROMA, false);
}
// alf enable flags and aps IDs
if( sps->getALFEnabledFlag() )
{
WRITE_FLAG(picHeader->getAlfEnabledPresentFlag(), "pic_alf_enabled_present_flag");
if (picHeader->getAlfEnabledPresentFlag())
{
WRITE_FLAG(picHeader->getAlfEnabledFlag(COMPONENT_Y), "pic_alf_enabled_flag");
if (picHeader->getAlfEnabledFlag(COMPONENT_Y))
{
WRITE_CODE(picHeader->getNumAlfAps(), 3, "pic_num_alf_aps_ids_luma");
const std::vector<int>& apsId = picHeader->getAlfAPSs();
for (int i = 0; i < picHeader->getNumAlfAps(); i++)
{
WRITE_CODE(apsId[i], 3, "pic_alf_aps_id_luma");
}
const int alfChromaIdc = picHeader->getAlfEnabledFlag(COMPONENT_Cb) + picHeader->getAlfEnabledFlag(COMPONENT_Cr) * 2 ;
if (sps->getChromaFormatIdc() != CHROMA_400)
{
WRITE_CODE(alfChromaIdc, 2, "pic_alf_chroma_idc");
}
if (alfChromaIdc)
{
WRITE_CODE(picHeader->getAlfApsIdChroma(), 3, "pic_alf_aps_id_chroma");
}
}
}
else
{
picHeader->setAlfEnabledFlag(COMPONENT_Y, true); picHeader->setAlfEnabledFlag(COMPONENT_Cb, true);
picHeader->setAlfEnabledFlag(COMPONENT_Cr, true);
}
}
else
{
picHeader->setAlfEnabledFlag(COMPONENT_Y, false);
picHeader->setAlfEnabledFlag(COMPONENT_Cb, false);
picHeader->setAlfEnabledFlag(COMPONENT_Cr, false);
}
// dependent quantization
if (!pps->getPPSDepQuantEnabledIdc())
{
WRITE_FLAG(picHeader->getDepQuantEnabledFlag(), "pic_dep_quant_enabled_flag");
}
else
{
picHeader->setDepQuantEnabledFlag( pps->getPPSDepQuantEnabledIdc() - 1 );
}
// sign data hiding
if( !picHeader->getDepQuantEnabledFlag() )
{
WRITE_FLAG( picHeader->getSignDataHidingEnabledFlag(), "pic_sign_data_hiding_enabled_flag" );
}
else
{
picHeader->setSignDataHidingEnabledFlag(false);
}
// deblocking filter controls
if (pps->getDeblockingFilterControlPresentFlag())
{
if(pps->getDeblockingFilterOverrideEnabledFlag())
{
WRITE_FLAG ( picHeader->getDeblockingFilterOverridePresentFlag(), "pic_deblocking_filter_override_present_flag" );
if( picHeader->getDeblockingFilterOverridePresentFlag() )
{
WRITE_FLAG ( picHeader->getDeblockingFilterOverrideFlag(), "pic_deblocking_filter_override_flag" );
}
else
{
picHeader->setDeblockingFilterOverrideFlag(false);
}
}
else
{
picHeader->setDeblockingFilterOverridePresentFlag(false);
picHeader->setDeblockingFilterOverrideFlag(false);
}
if(picHeader->getDeblockingFilterOverrideFlag())
{
WRITE_FLAG ( picHeader->getDeblockingFilterDisable(), "pic_deblocking_filter_disabled_flag" );
if(!picHeader->getDeblockingFilterDisable())
{
WRITE_SVLC( picHeader->getDeblockingFilterBetaOffsetDiv2(), "pic_beta_offset_div2" );
WRITE_SVLC( picHeader->getDeblockingFilterTcOffsetDiv2(), "pic_tc_offset_div2" );
}
}
else
{
picHeader->setDeblockingFilterDisable ( pps->getPPSDeblockingFilterDisabledFlag() );
picHeader->setDeblockingFilterBetaOffsetDiv2( pps->getDeblockingFilterBetaOffsetDiv2() );
picHeader->setDeblockingFilterTcOffsetDiv2 ( pps->getDeblockingFilterTcOffsetDiv2() );
}
}
else
{ picHeader->setDeblockingFilterDisable ( false );
picHeader->setDeblockingFilterBetaOffsetDiv2( 0 );
picHeader->setDeblockingFilterTcOffsetDiv2 ( 0 );
}
// luma mapping / chroma scaling controls
if (sps->getUseLmcs())
{
WRITE_FLAG(picHeader->getLmcsEnabledFlag(), "pic_lmcs_enabled_flag");
if (picHeader->getLmcsEnabledFlag())
{
WRITE_CODE(picHeader->getLmcsAPSId(), 2, "pic_lmcs_aps_id");
if (sps->getChromaFormatIdc() != CHROMA_400)
{
WRITE_FLAG(picHeader->getLmcsChromaResidualScaleFlag(), "pic_chroma_residual_scale_flag");
}
else
{
picHeader->setLmcsChromaResidualScaleFlag(false);
}
}
}
else
{
picHeader->setLmcsEnabledFlag(false);
picHeader->setLmcsChromaResidualScaleFlag(false);
}
// quantization scaling lists
if( sps->getScalingListFlag() )
{
WRITE_FLAG( picHeader->getScalingListPresentFlag(), "pic_scaling_list_present_flag" );
if( picHeader->getScalingListPresentFlag() )
{
WRITE_CODE( picHeader->getScalingListAPSId(), 3, "pic_scaling_list_aps_id" );
}
}
else
{
picHeader->setScalingListPresentFlag( false );
}
// picture header extension
if(pps->getPictureHeaderExtensionPresentFlag())
{
WRITE_UVLC(0,"pic_segment_header_extension_length");
}
xWriteRbspTrailingBits();
}
#endif
void HLSWriter::codeSliceHeader ( Slice* pcSlice )
{
#if ENABLE_TRACING
xTraceSliceHeader ();
#endif
CodingStructure& cs = *pcSlice->getPic()->cs;
#if JVET_P1006_PICTURE_HEADER
const PicHeader *picHeader = cs.picHeader;
#endif
const ChromaFormat format = pcSlice->getSPS()->getChromaFormatIdc();
const uint32_t numberValidComponents = getNumberValidComponents(format);
const bool chromaEnabled = isChromaEnabled(format);
#if JVET_P1006_PICTURE_HEADER
int pocBits = pcSlice->getSPS()->getBitsForPOC();
int pocMask = (1 << pocBits) - 1;
WRITE_CODE(pcSlice->getPOC() & pocMask, pocBits, "slice_pic_order_cnt_lsb");#endif
#if !JVET_P1006_PICTURE_HEADER
WRITE_UVLC( pcSlice->getPPS()->getPPSId(), "slice_pic_parameter_set_id" );
#endif
#if JVET_P0126_SIGNALLING_SUBPICID
if (pcSlice->getSPS()->getSubPicPresentFlag())
{
uint32_t bitsSubPicId;
if (pcSlice->getSPS()->getSubPicIdSignallingPresentFlag())
{
bitsSubPicId = pcSlice->getSPS()->getSubPicIdLen();
}
else if (picHeader->getSubPicIdSignallingPresentFlag())
{
bitsSubPicId = picHeader->getSubPicIdLen();
}
else if (pcSlice->getPPS()->getSubPicIdSignallingPresentFlag())
{
bitsSubPicId = pcSlice->getPPS()->getSubPicIdLen();
}
else
{
bitsSubPicId = ceilLog2(pcSlice->getSPS()->getNumSubPics());
}
WRITE_CODE(pcSlice->getSliceSubPicId(), bitsSubPicId, "slice_subpic_id");
}
#endif
#if JVET_P1004_REMOVE_BRICKS
// raster scan slices
if( pcSlice->getPPS()->getRectSliceFlag() == 0 )
{
// slice address is the raster scan tile index of first tile in slice
if( pcSlice->getPPS()->getNumTiles() > 1 )
{
int bitsSliceAddress = ceilLog2(pcSlice->getPPS()->getNumTiles());
WRITE_CODE( pcSlice->getSliceID(), bitsSliceAddress, "slice_address");
WRITE_UVLC( pcSlice->getNumTilesInSlice() - 1, "num_tiles_in_slice_minus1");
}
}
// rectangular slices
else
{
// slice address is the index of the slice within the current sub-picture
if( pcSlice->getPPS()->getNumSlicesInPic() > 1 )
{
int bitsSliceAddress = ceilLog2(pcSlice->getPPS()->getNumSlicesInPic()); // change to NumSlicesInSubPic when available
WRITE_CODE( pcSlice->getSliceID(), bitsSliceAddress, "slice_address");
}
}
#else
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->getSliceIndex()), 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");
}
#endif
#if !JVET_P1006_PICTURE_HEADER
WRITE_FLAG(pcSlice->getNonRefPictFlag() ? 1 : 0, "non_reference_picture_flag");
#endif
WRITE_UVLC( pcSlice->getSliceType(), "slice_type" );
#if !JVET_P1006_PICTURE_HEADER
int pocBits = pcSlice->getSPS()->getBitsForPOC();
int pocMask = (1 << pocBits) - 1;
WRITE_CODE(pcSlice->getPOC() & pocMask, pocBits, "slice_pic_order_cnt_lsb");
if (pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_GDR)
{
int maxPicOrderCntLsb = (int) pow(2, pcSlice->getSPS()->getBitsForPOC());
CHECK((pcSlice->getRecoveryPocCnt() < maxPicOrderCntLsb), "The value of recovery_poc_cnt exceeds (POC LSB cycle - 1)");
WRITE_UVLC(pcSlice->getRecoveryPocCnt(), "recovery_poc_cnt");
}
if (pcSlice->getRapPicFlag() || (pcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_GDR))
{
WRITE_FLAG(pcSlice->getNoOutputPriorPicsFlag() ? 1 : 0, "no_output_of_prior_pics_flag");
}
if (pcSlice->getPPS()->getOutputFlagPresentFlag())
{
WRITE_FLAG(pcSlice->getPicOutputFlag() ? 1 : 0, "pic_output_flag");
}
#endif
#if JVET_P1006_PICTURE_HEADER
if( !picHeader->getPicRplPresentFlag() && (!pcSlice->getIdrPicFlag() || pcSlice->getSPS()->getIDRRefParamListPresent()) )
#else
if( !pcSlice->getIdrPicFlag() || pcSlice->getSPS()->getIDRRefParamListPresent())
#endif
{
//Write L0 related syntax elements
if (pcSlice->getSPS()->getNumRPL0() > 0)
{
if (!pcSlice->getPPS()->getPPSRefPicListSPSIdc0())
{
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
xCodeRefPicList( pcSlice->getRPL0(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC(), !pcSlice->getSPS()->getUseWP() && !pcSlice->getSPS()->getUseWPBiPred() );
}
//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))
{
if (pcSlice->getRPL0()->getLtrpInSliceHeaderFlag())
{
WRITE_CODE(pcSlice->getRPL0()->getRefPicIdentifier(i), pcSlice->getSPS()->getBitsForPOC(),
"slice_poc_lsb_lt[listIdx][rplsIdx][j]");
}
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
xCodeRefPicList( pcSlice->getRPL1(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC(), !pcSlice->getSPS()->getUseWP() && !pcSlice->getSPS()->getUseWPBiPred() );
}
}
else
{
if (pcSlice->getSPS()->getNumRPL1() > 0)
{
if (!pcSlice->getPPS()->getPPSRefPicListSPSIdc1())
{
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
xCodeRefPicList( pcSlice->getRPL1(), pcSlice->getSPS()->getLongTermRefsPresent(), pcSlice->getSPS()->getBitsForPOC(), !pcSlice->getSPS()->getUseWP() && !pcSlice->getSPS()->getUseWPBiPred() );
}
}
//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))
{
if (pcSlice->getRPL1()->getLtrpInSliceHeaderFlag())
{
WRITE_CODE(pcSlice->getRPL1()->getRefPicIdentifier(i), pcSlice->getSPS()->getBitsForPOC(),
"slice_poc_lsb_lt[listIdx][rplsIdx][j]");
}
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 JVET_P1006_PICTURE_HEADER
}
if( picHeader->getPicRplPresentFlag() || !pcSlice->getIdrPicFlag() || pcSlice->getSPS()->getIDRRefParamListPresent() )
{
#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 !JVET_P1006_PICTURE_HEADER
if (
pcSlice->getSPS()->getSplitConsOverrideEnabledFlag()
)
{
WRITE_FLAG(pcSlice->getSplitConsOverrideFlag() ? 1 : 0, "partition_constraints_override_flag"); if (pcSlice->getSplitConsOverrideFlag())
{
WRITE_UVLC(floorLog2(pcSlice->getMinQTSize()) - pcSlice->getSPS()->getLog2MinCodingBlockSize(), "slice_log2_diff_min_qt_min_cb");
WRITE_UVLC(pcSlice->getMaxMTTHierarchyDepth(), "slice_max_mtt_hierarchy_depth_luma");
if (pcSlice->getMaxMTTHierarchyDepth() != 0)
{
CHECK(pcSlice->getMaxBTSize() < pcSlice->getMinQTSize(), "maxBtSize is smaller than minQtSize");
WRITE_UVLC(floorLog2(pcSlice->getMaxBTSize()) - floorLog2(pcSlice->getMinQTSize()), "slice_log2_diff_max_bt_min_qt");
CHECK(pcSlice->getMaxTTSize() < pcSlice->getMinQTSize(), "maxTtSize is smaller than minQtSize");
WRITE_UVLC(floorLog2(pcSlice->getMaxTTSize()) - floorLog2(pcSlice->getMinQTSize()), "slice_log2_diff_max_tt_min_qt");
}
if (
pcSlice->isIntra() && pcSlice->getSPS()->getUseDualITree()
)
{
WRITE_UVLC(floorLog2(pcSlice->getMinQTSizeIChroma()) - pcSlice->getSPS()->getLog2MinCodingBlockSize(), "slice_log2_diff_min_qt_min_cb_chroma");
WRITE_UVLC(pcSlice->getMaxMTTHierarchyDepthIChroma(), "slice_max_mtt_hierarchy_depth_chroma");
if (pcSlice->getMaxMTTHierarchyDepthIChroma() != 0)
{
CHECK(pcSlice->getMaxBTSizeIChroma() < pcSlice->getMinQTSizeIChroma(), "maxBtSizeC is smaller than minQtSizeC");
WRITE_UVLC(floorLog2(pcSlice->getMaxBTSizeIChroma()) - floorLog2(pcSlice->getMinQTSizeIChroma()), "slice_log2_diff_max_bt_min_qt_chroma");
CHECK(pcSlice->getMaxTTSizeIChroma() < pcSlice->getMinQTSizeIChroma(), "maxTtSizeC is smaller than minQtSizeC");
WRITE_UVLC(floorLog2(pcSlice->getMaxTTSizeIChroma()) - floorLog2(pcSlice->getMinQTSizeIChroma()), "slice_log2_diff_max_tt_min_qt_chroma");
}
}
}
}
if(!pcSlice->isIntra())
{
#if JVET_P0206_TMVP_flags
if( pcSlice->getSPS()->getSPSTemporalMVPEnabledFlag())
#else
if( pcSlice->getSPS()->getSPSTemporalMVPEnabledFlag() && !pcSlice->getPPS()->getPPSTemporalMVPEnabledIdc() )
#endif
{
WRITE_FLAG( pcSlice->getEnableTMVPFlag() ? 1 : 0, "slice_temporal_mvp_enabled_flag" );
}
}
if( pcSlice->isInterB() )
{
if (!pcSlice->getPPS()->getPPSMvdL1ZeroIdc())
{
WRITE_FLAG( pcSlice->getMvdL1ZeroFlag() ? 1 : 0, "mvd_l1_zero_flag" );
}
}
#endif
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 JVET_P1006_PICTURE_HEADER
if( pcSlice->getPicHeader()->getEnableTMVPFlag() )
#else
if( pcSlice->getEnableTMVPFlag() )
#endif
{
if( pcSlice->getSliceType() == B_SLICE )
{
if (!pcSlice->getPPS()->getPPSCollocatedFromL0Idc()) {
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 );
}
#if !JVET_P1006_PICTURE_HEADER
if (!cs.slice->isIntra())
{
CHECK(pcSlice->getMaxNumMergeCand() > MRG_MAX_NUM_CANDS, "More merge candidates signalled than supported");
if (!pcSlice->getPPS()->getPPSSixMinusMaxNumMergeCandPlus1())
{
WRITE_UVLC(MRG_MAX_NUM_CANDS - pcSlice->getMaxNumMergeCand(), "six_minus_max_num_merge_cand");
}
}
if( !pcSlice->isIntra() )
{
if (pcSlice->getSPS()->getSBTMVPEnabledFlag() && pcSlice->getEnableTMVPFlag() && !pcSlice->getSPS()->getUseAffine())// ATMVP only
{
CHECK( pcSlice->getMaxNumAffineMergeCand() != 1, "Sub-block merge can number should be 1" );
}
else
if (!(pcSlice->getSPS()->getSBTMVPEnabledFlag() && pcSlice->getEnableTMVPFlag()) && !pcSlice->getSPS()->getUseAffine()) // both off
{
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" );
#if JVET_P0152_REMOVE_PPS_NUM_SUBBLOCK_MERGE_CAND
WRITE_UVLC( AFFINE_MRG_MAX_NUM_CANDS - pcSlice->getMaxNumAffineMergeCand(), "five_minus_max_num_subblock_merge_cand" );
#else
if (!pcSlice->getPPS()->getPPSFiveMinusMaxNumSubblockMergeCandPlus1())
{
WRITE_UVLC( AFFINE_MRG_MAX_NUM_CANDS - pcSlice->getMaxNumAffineMergeCand(), "five_minus_max_num_subblock_merge_cand" );
}
#endif
}
if ( pcSlice->getSPS()->getFpelMmvdEnabledFlag() )
{
WRITE_FLAG( pcSlice->getDisFracMMVD(), "slice_fpel_mmvd_enabled_flag" );
}
if (pcSlice->getSPS()->getBdofDmvrSlicePresentFlag())
{
WRITE_FLAG(pcSlice->getDisBdofDmvrFlag(), "slice_disable_bdof_dmvr_flag");
}
if (pcSlice->getSPS()->getUseTriangle() && pcSlice->getMaxNumMergeCand() >= 2)
{
CHECK(pcSlice->getMaxNumMergeCand() < pcSlice->getMaxNumTriangleCand(), "Incorrrect max number of triangle candidates!");
if (!pcSlice->getPPS()->getPPSMaxNumMergeCandMinusMaxNumTriangleCandPlus1())
{
WRITE_UVLC(pcSlice->getMaxNumMergeCand() - pcSlice->getMaxNumTriangleCand(), "max_num_merge_cand_minus_max_num_triangle_cand");
}
}
else
{
pcSlice->setMaxNumTriangleCand(0); }
}
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(), "slice_six_minus_max_num_ibc_merge_cand" );
}
if (pcSlice->getSPS()->getJointCbCrEnabledFlag())
{
WRITE_FLAG( pcSlice->getJointCbCrSignFlag() ? 1 : 0, "slice_joint_cbcr_sign_flag");
}
#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 (pcSlice->getSPS()->getJointCbCrEnabledFlag())
{
WRITE_SVLC( pcSlice->getSliceChromaQpDelta(JOINT_CbCr), "slice_joint_cbcr_qp_offset");
}
}
CHECK(numberValidComponents < COMPONENT_Cr+1, "Too many valid components");
}
if (pcSlice->getPPS()->getCuChromaQpOffsetEnabledFlag())
{
WRITE_FLAG(pcSlice->getUseChromaQpAdj(), "cu_chroma_qp_offset_enabled_flag");
}
#if JVET_P1006_PICTURE_HEADER
if( pcSlice->getSPS()->getSAOEnabledFlag() && !picHeader->getSaoEnabledPresentFlag() )
#else
if( pcSlice->getSPS()->getSAOEnabledFlag() )
#endif
{
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 JVET_P1006_PICTURE_HEADER
if( pcSlice->getSPS()->getALFEnabledFlag() && !picHeader->getAlfEnabledPresentFlag() )
#else
if( pcSlice->getSPS()->getALFEnabledFlag() )
#endif
{
const int alfEnabled = pcSlice->getTileGroupAlfEnabledFlag(COMPONENT_Y);
WRITE_FLAG(alfEnabled, "slice_alf_enabled_flag");
if (alfEnabled)
{
WRITE_CODE(pcSlice->getTileGroupNumAps(), 3, "slice_num_alf_aps_ids_luma");
const std::vector<int>& apsId = pcSlice->getTileGroupApsIdLuma();
for (int i = 0; i < pcSlice->getTileGroupNumAps(); i++)
{
WRITE_CODE(apsId[i], 3, "slice_alf_aps_id_luma");
}
const int alfChromaIdc = pcSlice->getTileGroupAlfEnabledFlag(COMPONENT_Cb) + pcSlice->getTileGroupAlfEnabledFlag(COMPONENT_Cr) * 2 ;
if (chromaEnabled) {
WRITE_CODE(alfChromaIdc, 2, "slice_alf_chroma_idc");
}
if (alfChromaIdc)
{
WRITE_CODE(pcSlice->getTileGroupApsIdChroma(), 3, "slice_alf_aps_id_chroma");
}
}
}
#if !JVET_P1006_PICTURE_HEADER
if (!pcSlice->getPPS()->getPPSDepQuantEnabledIdc())
{
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" );
}
#endif
if (pcSlice->getPPS()->getDeblockingFilterControlPresentFlag())
{
#if JVET_P1006_PICTURE_HEADER
if (pcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() && !picHeader->getDeblockingFilterOverridePresentFlag())
#else
if (pcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag() )
#endif
{
WRITE_FLAG(pcSlice->getDeblockingFilterOverrideFlag(), "deblocking_filter_override_flag");
}
#if JVET_P1006_PICTURE_HEADER
else
{
pcSlice->setDeblockingFilterOverrideFlag(0);
}
#endif
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");
}
}
#if JVET_P1006_PICTURE_HEADER
else
{
pcSlice->setDeblockingFilterDisable ( picHeader->getDeblockingFilterDisable() );
pcSlice->setDeblockingFilterBetaOffsetDiv2( picHeader->getDeblockingFilterBetaOffsetDiv2() );
pcSlice->setDeblockingFilterTcOffsetDiv2 ( picHeader->getDeblockingFilterTcOffsetDiv2() );
}
#endif
}
#if JVET_P1006_PICTURE_HEADER
else
{
pcSlice->setDeblockingFilterDisable ( false );
pcSlice->setDeblockingFilterBetaOffsetDiv2( 0 );
pcSlice->setDeblockingFilterTcOffsetDiv2 ( 0 );
}
#endif
#if !JVET_P1006_PICTURE_HEADER
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()->getUseLmcs())
{
WRITE_FLAG( pcSlice->getLmcsEnabledFlag()? 1 : 0, "slice_lmcs_enabled_flag");
if (pcSlice->getLmcsEnabledFlag())
{
WRITE_CODE(pcSlice->getLmcsAPSId(), 2, "slice_lmcs_aps_id");
if (chromaEnabled)
{
WRITE_FLAG(pcSlice->getLmcsChromaResidualScaleFlag(), "slice_chroma_residual_scale_flag");
}
}
}
if( pcSlice->getSPS()->getScalingListFlag() )
{
WRITE_FLAG( pcSlice->getscalingListPresentFlag() ? 1 : 0, "slice_scaling_list_present_flag" );
if( pcSlice->getscalingListPresentFlag() )
{
WRITE_CODE( pcSlice->getscalingListAPSId(), 3, "slice_scaling_list_aps_id" );
}
}
#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");
WRITE_FLAG(cinfo->getNoJointCbCrConstraintFlag() ? 1 : 0, "no_joint_cbcr_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->getNoBcwConstraintFlag() ? 1 : 0, "no_bcw_constraint_flag");
WRITE_FLAG(cinfo->getNoIbcConstraintFlag() ? 1 : 0, "no_ibc_constraint_flag");
WRITE_FLAG(cinfo->getNoCiipConstraintFlag() ? 1 : 0, "no_ciip_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");
WRITE_FLAG(cinfo->getNoBDPCMConstraintFlag() ? 1 : 0, "no_bdpcm_constraint_flag");
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");
#if JVET_P0366_NUT_CONSTRAINT_FLAGS
WRITE_FLAG(cinfo->getNoTrailConstraintFlag() ? 1 : 0, "no_trail_constraint_flag");
WRITE_FLAG(cinfo->getNoStsaConstraintFlag() ? 1 : 0, "no_stsa_constraint_flag");
WRITE_FLAG(cinfo->getNoRaslConstraintFlag() ? 1 : 0, "no_rasl_constraint_flag");
WRITE_FLAG(cinfo->getNoRadlConstraintFlag() ? 1 : 0, "no_radl_constraint_flag");
WRITE_FLAG(cinfo->getNoIdrConstraintFlag() ? 1 : 0, "no_idr_constraint_flag");
WRITE_FLAG(cinfo->getNoCraConstraintFlag() ? 1 : 0, "no_cra_constraint_flag");
WRITE_FLAG(cinfo->getNoGdrConstraintFlag() ? 1 : 0, "no_gdr_constraint_flag");
WRITE_FLAG(cinfo->getNoApsConstraintFlag() ? 1 : 0, "no_aps_constraint_flag");
#endif
}
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" );
#if JVET_P0217_PTL_SYNTAX_CLEANUP
codeConstraintInfo( ptl->getConstraintInfo() );
WRITE_CODE( int( ptl->getLevelIdc() ), 8, "general_level_idc" );
#endif
WRITE_CODE(ptl->getNumSubProfile(), 8, "num_sub_profiles");
for (int i = 0; i < ptl->getNumSubProfile(); i++)
{
WRITE_CODE(ptl->getSubProfileIdc(i) , 32, "general_sub_profile_idc[i]");
}
#if !JVET_P0217_PTL_SYNTAX_CLEANUP
codeConstraintInfo(ptl->getConstraintInfo());
WRITE_CODE( int(ptl->getLevelIdc()), 8 , "general_level_idc" );
#endif
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 JVET_P1004_REMOVE_BRICKS
pSlice->setNumEntryPoints( pSlice->getPPS() );
if( pSlice->getNumEntryPoints() == 0 )
#else if (pSlice->getPPS()->getSingleTileInPicFlag() && !pSlice->getPPS()->getEntropyCodingSyncEnabledFlag())
#endif
{
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 length minus 1");
}
#if !JVET_P1004_REMOVE_BRICKS
WRITE_UVLC(pSlice->getNumberOfSubstreamSizes(), "num_entry_point_offsets");
#endif
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
#if JVET_P0365_SCALING_MATRIX_LFNST
WRITE_FLAG(scalingList.getDisableScalingMatrixForLfnstBlks(), "scaling_matrix_for_lfnst_disabled_flag");
#endif
#if JVET_P01034_PRED_1D_SCALING_LIST
for (uint32_t scalingListId = 0; scalingListId < 28; scalingListId++)
{
bool scalingListCopyModeFlag = scalingList.getScalingListCopyModeFlag(scalingListId);
WRITE_FLAG(scalingListCopyModeFlag, "scaling_list_copy_mode_flag"); //copy mode
if (!scalingListCopyModeFlag)// Copy Mode
{ WRITE_FLAG(scalingList.getScalingListPreditorModeFlag(scalingListId), "scaling_list_predictor_mode_flag");
}
if ((scalingListCopyModeFlag || scalingList.getScalingListPreditorModeFlag(scalingListId)) && scalingListId!= SCALING_LIST_1D_START_2x2 && scalingListId != SCALING_LIST_1D_START_4x4 && scalingListId != SCALING_LIST_1D_START_8x8)
{
WRITE_UVLC((int)scalingListId - (int)scalingList.getRefMatrixId(scalingListId), "scaling_list_pred_matrix_id_delta");
}
if (!scalingListCopyModeFlag)
{
//DPCM
xCodeScalingList(&scalingList, scalingListId, scalingList.getScalingListPreditorModeFlag(scalingListId));
}
#else
for(uint32_t sizeId = SCALING_LIST_FIRST_CODED; sizeId <= SCALING_LIST_LAST_CODED; sizeId++)
{
const int predListStep = (sizeId > SCALING_LIST_32x32 ? (SCALING_LIST_NUM / SCALING_LIST_PRED_MODES) : 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 / SCALING_LIST_PRED_MODES) == 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 / SCALING_LIST_PRED_MODES), "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);
}
}
#endif
}
return;
}
/** code DPCM
* \param scalingList quantization matrix information
* \param sizeId size index
* \param listId list index
*/
#if JVET_P01034_PRED_1D_SCALING_LIST
void HLSWriter::xCodeScalingList(const ScalingList* scalingList, uint32_t scalingListId, bool isPredictor)
#else
void HLSWriter::xCodeScalingList(const ScalingList* scalingList, uint32_t sizeId, uint32_t listId)
#endif
{
#if JVET_P01034_PRED_1D_SCALING_LIST
int matrixSize = (scalingListId < SCALING_LIST_1D_START_4x4) ? 2 : ((scalingListId < SCALING_LIST_1D_START_8x8) ? 4 : 8);
int coefNum = matrixSize * matrixSize;
ScanElement *scan = g_scanOrder[SCAN_UNGROUPED][SCAN_DIAG][gp_sizeIdxInfo->idxFrom(matrixSize)][gp_sizeIdxInfo->idxFrom(matrixSize)];
int nextCoef = (isPredictor) ? 0 : SCALING_LIST_START_VALUE;
#else
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;
#endif
int data;
#if JVET_P01034_PRED_1D_SCALING_LIST
const int *src = scalingList->getScalingListAddress(scalingListId); int PredListId = scalingList->getRefMatrixId(scalingListId);
const int *srcPred = (isPredictor) ? ((scalingListId==PredListId) ? scalingList->getScalingListDefaultAddress(scalingListId) : scalingList->getScalingListAddress(PredListId)) : NULL;
int deltasrc[65] = { 0 };
if (isPredictor)
{
if (scalingListId >= SCALING_LIST_1D_START_16x16)
{
deltasrc[64] = scalingList->getScalingListDC(scalingListId) - ((PredListId >= SCALING_LIST_1D_START_16x16) ? ((scalingListId == PredListId) ? 16 : scalingList->getScalingListDC(PredListId)) : srcPred[scan[0].idx]);
}
for (int i = 0; i < coefNum; i++)
{
deltasrc[i] = (src[scan[i].idx] - srcPred[scan[i].idx]);
}
}
if (scalingListId >= SCALING_LIST_1D_START_16x16)
{
if (isPredictor)
{
data = deltasrc[64];
nextCoef = deltasrc[64];
}
else
{
data = scalingList->getScalingListDC(scalingListId) - nextCoef;
nextCoef = scalingList->getScalingListDC(scalingListId);
}
data = ((data + 128) & 255) - 128;
WRITE_SVLC((int8_t)data, "scaling_list_dc_coef");
#else
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);
#endif
}
for(int i=0;i<coefNum;i++)
{
#if JVET_P01034_PRED_1D_SCALING_LIST
if (scalingListId >= SCALING_LIST_1D_START_64x64 && scan[i].x >= 4 && scan[i].y >= 4)
#else
if (sizeId == SCALING_LIST_64x64 && scan[i].x >= 4 && scan[i].y >= 4)
#endif
continue;
#if JVET_P01034_PRED_1D_SCALING_LIST
data = (isPredictor) ? (deltasrc[i] - nextCoef) : (src[scan[i].idx] - nextCoef);
nextCoef = (isPredictor) ? deltasrc[i] : src[scan[i].idx];
data = ((data + 128) & 255) - 128;
WRITE_SVLC((int8_t)data, "scaling_list_delta_coef");
#else
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");
#endif
}
}
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 )
{
unsigned int symbol = abs( coeff );
while ( symbol >= (unsigned int)( 1 << k ) )
{
symbol -= 1 << k;
k++;
WRITE_FLAG( 0, "alf_coeff_abs_prefix" );
}
WRITE_FLAG( 1, "alf_coeff_abs_prefix" );
if ( k > 0 )
{
WRITE_CODE( symbol, k, "alf_coeff_abs_suffix" );
}
if ( signed_coeff && coeff != 0 )
{
WRITE_FLAG( (coeff < 0) ? 1 : 0, "alf_coeff_sign" );
}
}
void HLSWriter::alfFilter( const AlfParam& alfParam, const bool isChroma, const int altIdx )
{
#if !JVET_P0164_ALF_SYNTAX_SIMP
if( !isChroma )
{
WRITE_FLAG( alfParam.alfLumaCoeffDeltaFlag, "alf_luma_coeff_delta_flag" );
}
#endif
AlfFilterShape alfShape(isChroma ? 5 : 7);
const short* coeff = isChroma ? alfParam.chromaCoeff[altIdx] : alfParam.lumaCoeff;
const short* clipp = isChroma ? alfParam.chromaClipp[altIdx] : alfParam.lumaClipp;
const int numFilters = isChroma ? 1 : alfParam.numLumaFilters;
// vlc for all
#if !JVET_P0164_ALF_SYNTAX_SIMP
if( !isChroma )
{
if( alfParam.alfLumaCoeffDeltaFlag )
{
for( int ind = 0; ind < numFilters; ++ind )
{
WRITE_FLAG( alfParam.alfLumaCoeffFlag[ind], "alf_luma_coeff_flag[i]" );
}
}
}
#endif
// Filter coefficients
for( int ind = 0; ind < numFilters; ++ind )
{
#if !JVET_P0164_ALF_SYNTAX_SIMP
if( !isChroma && !alfParam.alfLumaCoeffFlag[ind] && alfParam.alfLumaCoeffDeltaFlag )
{
continue;
}
#endif
for( int i = 0; i < alfShape.numCoeff - 1; i++ )
{
alfGolombEncode( coeff[ind* MAX_NUM_ALF_LUMA_COEFF + i], 3 ); // alf_coeff_chroma[i], alf_coeff_luma_delta[i][j]
}
}
// Clipping values coding
if( alfParam.nonLinearFlag[isChroma][altIdx] )
{
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");
}
}
}
}
//! \}