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Karsten Suehring authoredKarsten Suehring authored
SEIEncoder.cpp 32.89 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.
*/
#include "CommonLib/CommonDef.h"
#include "CommonLib/SEI.h"
#include "EncGOP.h"
#include "EncLib.h"
uint32_t calcMD5(const CPelUnitBuf& pic, PictureHash &digest, const BitDepths &bitDepths);
uint32_t calcCRC(const CPelUnitBuf& pic, PictureHash &digest, const BitDepths &bitDepths);
uint32_t calcChecksum(const CPelUnitBuf& pic, PictureHash &digest, const BitDepths &bitDepths);
std::string hashToString(const PictureHash &digest, int numChar);
//! \ingroup EncoderLib
//! \{
void SEIEncoder::initSEIFramePacking(SEIFramePacking *seiFramePacking, int currPicNum)
{
CHECK(!(m_isInitialized), "Unspecified error");
CHECK(!(seiFramePacking!=NULL), "Unspecified error");
seiFramePacking->m_arrangementId = m_pcCfg->getFramePackingArrangementSEIId();
seiFramePacking->m_arrangementCancelFlag = 0;
seiFramePacking->m_arrangementType = m_pcCfg->getFramePackingArrangementSEIType();
CHECK(!((seiFramePacking->m_arrangementType > 2) && (seiFramePacking->m_arrangementType < 6) ), "Unspecified error");
seiFramePacking->m_quincunxSamplingFlag = m_pcCfg->getFramePackingArrangementSEIQuincunx();
seiFramePacking->m_contentInterpretationType = m_pcCfg->getFramePackingArrangementSEIInterpretation();
seiFramePacking->m_spatialFlippingFlag = 0;
seiFramePacking->m_frame0FlippedFlag = 0;
seiFramePacking->m_fieldViewsFlag = (seiFramePacking->m_arrangementType == 2);
seiFramePacking->m_currentFrameIsFrame0Flag = ((seiFramePacking->m_arrangementType == 5) && (currPicNum&1) );
seiFramePacking->m_frame0SelfContainedFlag = 0;
seiFramePacking->m_frame1SelfContainedFlag = 0;
seiFramePacking->m_frame0GridPositionX = 0;
seiFramePacking->m_frame0GridPositionY = 0;
seiFramePacking->m_frame1GridPositionX = 0;
seiFramePacking->m_frame1GridPositionY = 0;
seiFramePacking->m_arrangementReservedByte = 0;
seiFramePacking->m_arrangementPersistenceFlag = true;
seiFramePacking->m_upsampledAspectRatio = 0;}
void SEIEncoder::initSEIBufferingPeriod(SEIBufferingPeriod *bufferingPeriodSEI, bool noLeadingPictures)
{
CHECK(!(m_isInitialized), "bufferingPeriodSEI already initialized");
CHECK(!(bufferingPeriodSEI != nullptr), "Need a bufferingPeriodSEI for initialization (got nullptr)");
uint32_t uiInitialCpbRemovalDelay = (90000/2); // 0.5 sec
bufferingPeriodSEI->m_bpNalCpbParamsPresentFlag = true;
bufferingPeriodSEI->m_bpVclCpbParamsPresentFlag = true;
bufferingPeriodSEI->m_bpMaxSubLayers = m_pcCfg->getMaxTempLayer() ;
bufferingPeriodSEI->m_bpCpbCnt = 1;
for(int i=0; i < bufferingPeriodSEI->m_bpMaxSubLayers; i++)
{
for(int j=0; j < bufferingPeriodSEI->m_bpCpbCnt; j++)
{
bufferingPeriodSEI->m_initialCpbRemovalDelay[j][i][0] = uiInitialCpbRemovalDelay;
bufferingPeriodSEI->m_initialCpbRemovalDelay[j][i][1] = uiInitialCpbRemovalDelay;
bufferingPeriodSEI->m_initialCpbRemovalOffset[j][i][0] = uiInitialCpbRemovalDelay;
bufferingPeriodSEI->m_initialCpbRemovalOffset[j][i][1] = uiInitialCpbRemovalDelay;
}
}
// We don't set concatenation_flag here. max_initial_removal_delay_for_concatenation depends on the usage scenario.
// The parameters could be added to config file, but as long as the initialisation of generic buffering parameters is
// not controllable, it does not seem to make sense to provide settings for these.
bufferingPeriodSEI->m_concatenationFlag = false;
bufferingPeriodSEI->m_maxInitialRemovalDelayForConcatenation = uiInitialCpbRemovalDelay;
bufferingPeriodSEI->m_bpDecodingUnitHrdParamsPresentFlag = m_pcCfg->getNoPicPartitionFlag() == false;
bufferingPeriodSEI->m_decodingUnitCpbParamsInPicTimingSeiFlag = !m_pcCfg->getDecodingUnitInfoSEIEnabled();
bufferingPeriodSEI->m_initialCpbRemovalDelayLength = 16; // assuming 0.5 sec, log2( 90,000 * 0.5 ) = 16-bit
// Note: The following parameters require some knowledge about the GOP structure.
// Using getIntraPeriod() should be avoided though, because it assumes certain GOP
// properties, which are only valid in CTC.
// Still copying this setting from HM for consistency, improvements welcome
bool isRandomAccess = m_pcCfg->getIntraPeriod() > 0;
if( isRandomAccess )
{
bufferingPeriodSEI->m_cpbRemovalDelayLength = 6; // 32 = 2^5 (plus 1)
bufferingPeriodSEI->m_dpbOutputDelayLength = 6; // 32 + 3 = 2^6
}
else
{
bufferingPeriodSEI->m_cpbRemovalDelayLength = 9; // max. 2^10
bufferingPeriodSEI->m_dpbOutputDelayLength = 9; // max. 2^10
}
bufferingPeriodSEI->m_duCpbRemovalDelayIncrementLength = 7; // ceil( log2( tick_divisor_minus2 + 2 ) )
bufferingPeriodSEI->m_dpbOutputDelayDuLength = bufferingPeriodSEI->m_dpbOutputDelayLength + bufferingPeriodSEI->m_duCpbRemovalDelayIncrementLength;
//for the concatenation, it can be set to one during splicing.
bufferingPeriodSEI->m_concatenationFlag = 0;
//since the temporal layer HRDParameters is not ready, we assumed it is fixed
bufferingPeriodSEI->m_auCpbRemovalDelayDelta = 1;
bufferingPeriodSEI->m_cpbRemovalDelayDeltasPresentFlag = m_pcCfg->getBpDeltasGOPStructure() ;
if (bufferingPeriodSEI->m_cpbRemovalDelayDeltasPresentFlag)
{
switch (m_pcCfg->getGOPSize())
{
case 8:
{
if (noLeadingPictures)
{
bufferingPeriodSEI->m_numCpbRemovalDelayDeltas = 5;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[0] = 1;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[1] = 2;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[2] = 3;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[3] = 6;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[4] = 7;
}
else {
bufferingPeriodSEI->m_numCpbRemovalDelayDeltas = 3;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[0] = 1;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[1] = 2;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[2] = 3;
}
}
break;
case 16:
{
if (noLeadingPictures)
{
bufferingPeriodSEI->m_numCpbRemovalDelayDeltas = 9;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[0] = 1;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[1] = 2;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[2] = 3;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[3] = 4;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[4] = 6;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[5] = 7;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[6] = 9;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[7] = 14;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[8] = 15;
}
else
{
bufferingPeriodSEI->m_numCpbRemovalDelayDeltas = 5;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[0] = 1;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[1] = 2;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[2] = 3;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[3] = 6;
bufferingPeriodSEI->m_cpbRemovalDelayDelta[4] = 7;
}
}
break;
default:
{
THROW("m_cpbRemovalDelayDelta not applicable for the GOP size");
}
break;
}
}
// A commercial encoder should track the buffer state for all layers and sub-layers
// to ensure CPB conformance. Such tracking is required for calculating alternative
// CPB parameters.
// Unfortunately VTM does not have such tracking. Thus we cannot encode alternative
// CPB parameters here.
bufferingPeriodSEI->m_altCpbParamsPresentFlag = false;
bufferingPeriodSEI->m_useAltCpbParamsFlag = false;
}
void SEIEncoder::initSEIErp(SEIEquirectangularProjection* seiEquirectangularProjection)
{
CHECK(!(m_isInitialized), "seiEquirectangularProjection already initialized");
CHECK(!(seiEquirectangularProjection != nullptr), "Need a seiEquirectangularProjection for initialization (got nullptr)");
seiEquirectangularProjection->m_erpCancelFlag = m_pcCfg->getErpSEICancelFlag();
if (!seiEquirectangularProjection->m_erpCancelFlag)
{
seiEquirectangularProjection->m_erpPersistenceFlag = m_pcCfg->getErpSEIPersistenceFlag();
seiEquirectangularProjection->m_erpGuardBandFlag = m_pcCfg->getErpSEIGuardBandFlag();
if (seiEquirectangularProjection->m_erpGuardBandFlag == 1)
{
seiEquirectangularProjection->m_erpGuardBandType = m_pcCfg->getErpSEIGuardBandType();
seiEquirectangularProjection->m_erpLeftGuardBandWidth = m_pcCfg->getErpSEILeftGuardBandWidth();
seiEquirectangularProjection->m_erpRightGuardBandWidth = m_pcCfg->getErpSEIRightGuardBandWidth();
}
}
}
void SEIEncoder::initSEISphereRotation(SEISphereRotation* seiSphereRotation){
CHECK(!(m_isInitialized), "seiSphereRotation already initialized");
CHECK(!(seiSphereRotation != nullptr), "Need a seiSphereRotation for initialization (got nullptr)");
seiSphereRotation->m_sphereRotationCancelFlag = m_pcCfg->getSphereRotationSEICancelFlag();
if ( !seiSphereRotation->m_sphereRotationCancelFlag )
{
seiSphereRotation->m_sphereRotationPersistenceFlag = m_pcCfg->getSphereRotationSEIPersistenceFlag();
seiSphereRotation->m_sphereRotationYaw = m_pcCfg->getSphereRotationSEIYaw();
seiSphereRotation->m_sphereRotationPitch = m_pcCfg->getSphereRotationSEIPitch();
seiSphereRotation->m_sphereRotationRoll = m_pcCfg->getSphereRotationSEIRoll();
}
}
void SEIEncoder::initSEIOmniViewport(SEIOmniViewport* seiOmniViewport)
{
CHECK(!(m_isInitialized), "seiOmniViewport already initialized");
CHECK(!(seiOmniViewport != nullptr), "Need a seiOmniViewport for initialization (got nullptr)");
seiOmniViewport->m_omniViewportId = m_pcCfg->getOmniViewportSEIId();
seiOmniViewport->m_omniViewportCancelFlag = m_pcCfg->getOmniViewportSEICancelFlag();
if ( !seiOmniViewport->m_omniViewportCancelFlag )
{
seiOmniViewport->m_omniViewportPersistenceFlag = m_pcCfg->getOmniViewportSEIPersistenceFlag();
seiOmniViewport->m_omniViewportCntMinus1 = m_pcCfg->getOmniViewportSEICntMinus1();
seiOmniViewport->m_omniViewportRegions.resize(seiOmniViewport->m_omniViewportCntMinus1+1);
for (uint32_t i = 0; i <= seiOmniViewport->m_omniViewportCntMinus1; i++)
{
SEIOmniViewport::OmniViewport &viewport = seiOmniViewport->m_omniViewportRegions[i];
viewport.azimuthCentre = m_pcCfg->getOmniViewportSEIAzimuthCentre(i);
viewport.elevationCentre = m_pcCfg->getOmniViewportSEIElevationCentre(i);
viewport.tiltCentre = m_pcCfg->getOmniViewportSEITiltCentre(i);
viewport.horRange = m_pcCfg->getOmniViewportSEIHorRange(i);
viewport.verRange = m_pcCfg->getOmniViewportSEIVerRange(i);
}
}
}
void SEIEncoder::initSEIRegionWisePacking(SEIRegionWisePacking *seiRegionWisePacking)
{
CHECK(!(m_isInitialized), "seiRegionWisePacking already initialized");
CHECK(!(seiRegionWisePacking != nullptr), "Need a seiRegionWisePacking for initialization (got nullptr)");
seiRegionWisePacking->m_rwpCancelFlag = m_pcCfg->getRwpSEIRwpCancelFlag();
seiRegionWisePacking->m_rwpPersistenceFlag = m_pcCfg->getRwpSEIRwpPersistenceFlag();
seiRegionWisePacking->m_constituentPictureMatchingFlag = m_pcCfg->getRwpSEIConstituentPictureMatchingFlag();
seiRegionWisePacking->m_numPackedRegions = m_pcCfg->getRwpSEINumPackedRegions();
seiRegionWisePacking->m_projPictureWidth = m_pcCfg->getRwpSEIProjPictureWidth();
seiRegionWisePacking->m_projPictureHeight = m_pcCfg->getRwpSEIProjPictureHeight();
seiRegionWisePacking->m_packedPictureWidth = m_pcCfg->getRwpSEIPackedPictureWidth();
seiRegionWisePacking->m_packedPictureHeight = m_pcCfg->getRwpSEIPackedPictureHeight();
seiRegionWisePacking->m_rwpTransformType.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_rwpGuardBandFlag.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_projRegionWidth.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_projRegionHeight.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_rwpProjRegionTop.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_projRegionLeft.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_packedRegionWidth.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_packedRegionHeight.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_packedRegionTop.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_packedRegionLeft.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_rwpLeftGuardBandWidth.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_rwpRightGuardBandWidth.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_rwpTopGuardBandHeight.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_rwpBottomGuardBandHeight.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_rwpGuardBandNotUsedForPredFlag.resize(seiRegionWisePacking->m_numPackedRegions);
seiRegionWisePacking->m_rwpGuardBandType.resize(4*seiRegionWisePacking->m_numPackedRegions);
for( int i=0; i < seiRegionWisePacking->m_numPackedRegions; i++ )
{ seiRegionWisePacking->m_rwpTransformType[i] = m_pcCfg->getRwpSEIRwpTransformType(i);
seiRegionWisePacking->m_rwpGuardBandFlag[i] = m_pcCfg->getRwpSEIRwpGuardBandFlag(i);
seiRegionWisePacking->m_projRegionWidth[i] = m_pcCfg->getRwpSEIProjRegionWidth(i);
seiRegionWisePacking->m_projRegionHeight[i] = m_pcCfg->getRwpSEIProjRegionHeight(i);
seiRegionWisePacking->m_rwpProjRegionTop[i] = m_pcCfg->getRwpSEIRwpSEIProjRegionTop(i);
seiRegionWisePacking->m_projRegionLeft[i] = m_pcCfg->getRwpSEIProjRegionLeft(i);
seiRegionWisePacking->m_packedRegionWidth[i] = m_pcCfg->getRwpSEIPackedRegionWidth(i);
seiRegionWisePacking->m_packedRegionHeight[i] = m_pcCfg->getRwpSEIPackedRegionHeight(i);
seiRegionWisePacking->m_packedRegionTop[i] = m_pcCfg->getRwpSEIPackedRegionTop(i);
seiRegionWisePacking->m_packedRegionLeft[i] = m_pcCfg->getRwpSEIPackedRegionLeft(i);
if( seiRegionWisePacking->m_rwpGuardBandFlag[i] )
{
seiRegionWisePacking->m_rwpLeftGuardBandWidth[i] = m_pcCfg->getRwpSEIRwpLeftGuardBandWidth(i);
seiRegionWisePacking->m_rwpRightGuardBandWidth[i] = m_pcCfg->getRwpSEIRwpRightGuardBandWidth(i);
seiRegionWisePacking->m_rwpTopGuardBandHeight[i] = m_pcCfg->getRwpSEIRwpTopGuardBandHeight(i);
seiRegionWisePacking->m_rwpBottomGuardBandHeight[i] = m_pcCfg->getRwpSEIRwpBottomGuardBandHeight(i);
seiRegionWisePacking->m_rwpGuardBandNotUsedForPredFlag[i] = m_pcCfg->getRwpSEIRwpGuardBandNotUsedForPredFlag(i);
for( int j=0; j < 4; j++ )
{
seiRegionWisePacking->m_rwpGuardBandType[i*4 + j] = m_pcCfg->getRwpSEIRwpGuardBandType(i*4 + j);
}
}
}
}
void SEIEncoder::initSEIGcmp(SEIGeneralizedCubemapProjection* seiGeneralizedCubemapProjection)
{
CHECK(!(m_isInitialized), "seiGeneralizedCubemapProjection already initialized");
CHECK(!(seiGeneralizedCubemapProjection != nullptr), "Need a seiGeneralizedCubemapProjection for initialization (got nullptr)");
seiGeneralizedCubemapProjection->m_gcmpCancelFlag = m_pcCfg->getGcmpSEICancelFlag();
if (!seiGeneralizedCubemapProjection->m_gcmpCancelFlag)
{
seiGeneralizedCubemapProjection->m_gcmpPersistenceFlag = m_pcCfg->getGcmpSEIPersistenceFlag();
seiGeneralizedCubemapProjection->m_gcmpPackingType = m_pcCfg->getGcmpSEIPackingType();
seiGeneralizedCubemapProjection->m_gcmpMappingFunctionType = m_pcCfg->getGcmpSEIMappingFunctionType();
int numFace = seiGeneralizedCubemapProjection->m_gcmpPackingType == 4 || seiGeneralizedCubemapProjection->m_gcmpPackingType == 5 ? 5 : 6;
seiGeneralizedCubemapProjection->m_gcmpFaceIndex.resize(numFace);
seiGeneralizedCubemapProjection->m_gcmpFaceRotation.resize(numFace);
if (seiGeneralizedCubemapProjection->m_gcmpMappingFunctionType == 2)
{
seiGeneralizedCubemapProjection->m_gcmpFunctionCoeffU.resize(numFace);
seiGeneralizedCubemapProjection->m_gcmpFunctionUAffectedByVFlag.resize(numFace);
seiGeneralizedCubemapProjection->m_gcmpFunctionCoeffV.resize(numFace);
seiGeneralizedCubemapProjection->m_gcmpFunctionVAffectedByUFlag.resize(numFace);
}
for (int i = 0; i < numFace; i++)
{
seiGeneralizedCubemapProjection->m_gcmpFaceIndex[i] = m_pcCfg->getGcmpSEIFaceIndex(i);
seiGeneralizedCubemapProjection->m_gcmpFaceRotation[i] = m_pcCfg->getGcmpSEIFaceRotation(i);
if (seiGeneralizedCubemapProjection->m_gcmpMappingFunctionType == 2)
{
seiGeneralizedCubemapProjection->m_gcmpFunctionCoeffU[i] = std::max<uint8_t>(1, (uint8_t)(128.0 * m_pcCfg->getGcmpSEIFunctionCoeffU(i) + 0.5)) - 1;
seiGeneralizedCubemapProjection->m_gcmpFunctionUAffectedByVFlag[i] = m_pcCfg->getGcmpSEIFunctionUAffectedByVFlag(i);
seiGeneralizedCubemapProjection->m_gcmpFunctionCoeffV[i] = std::max<uint8_t>(1, (uint8_t)(128.0 * m_pcCfg->getGcmpSEIFunctionCoeffV(i) + 0.5)) - 1;
seiGeneralizedCubemapProjection->m_gcmpFunctionVAffectedByUFlag[i] = m_pcCfg->getGcmpSEIFunctionVAffectedByUFlag(i);
}
}
seiGeneralizedCubemapProjection->m_gcmpGuardBandFlag = m_pcCfg->getGcmpSEIGuardBandFlag();
if (seiGeneralizedCubemapProjection->m_gcmpGuardBandFlag)
{
seiGeneralizedCubemapProjection->m_gcmpGuardBandType = m_pcCfg->getGcmpSEIGuardBandType();
seiGeneralizedCubemapProjection->m_gcmpGuardBandBoundaryExteriorFlag = m_pcCfg->getGcmpSEIGuardBandBoundaryExteriorFlag();
seiGeneralizedCubemapProjection->m_gcmpGuardBandSamplesMinus1 = m_pcCfg->getGcmpSEIGuardBandSamplesMinus1();
}
}
}
void SEIEncoder::initSEISampleAspectRatioInfo(SEISampleAspectRatioInfo* seiSampleAspectRatioInfo)
{
CHECK(!(m_isInitialized), "seiSampleAspectRatioInfo already initialized");
CHECK(!(seiSampleAspectRatioInfo != nullptr), "Need a seiSampleAspectRatioInfo for initialization (got nullptr)");
seiSampleAspectRatioInfo->m_sariCancelFlag = m_pcCfg->getSariCancelFlag();
if (!seiSampleAspectRatioInfo->m_sariCancelFlag)
{
seiSampleAspectRatioInfo->m_sariPersistenceFlag = m_pcCfg->getSariPersistenceFlag();
seiSampleAspectRatioInfo->m_sariAspectRatioIdc = m_pcCfg->getSariAspectRatioIdc();
if (seiSampleAspectRatioInfo->m_sariAspectRatioIdc == 255)
{
seiSampleAspectRatioInfo->m_sariSarWidth = m_pcCfg->getSariSarWidth();
seiSampleAspectRatioInfo->m_sariSarHeight = m_pcCfg->getSariSarHeight();
}
else
{
seiSampleAspectRatioInfo->m_sariSarWidth = 0;
seiSampleAspectRatioInfo->m_sariSarHeight = 0;
}
}
}
#if JVET_P0190_SCALABLE_NESTING_SEI
//! initialize scalable nesting SEI message.
//! Note: The SEI message structures input into this function will become part of the scalable nesting SEI and will be
//! automatically freed, when the nesting SEI is disposed.
void SEIEncoder::initSEIScalableNesting(SEIScalableNesting *scalableNestingSEI, SEIMessages &nestedSEIs)
{
CHECK(!(m_isInitialized), "Unspecified error");
CHECK(!(scalableNestingSEI != NULL), "Unspecified error");
scalableNestingSEI->m_nestingOlsFlag = 1; // by If the nested SEI messages are picture buffering SEI messages, picture timing SEI messages or sub-picture timing SEI messages, nesting_ols_flag shall be equal to 1, by default case
scalableNestingSEI->m_nestingNumOlssMinus1 = 1; // by default the nesting scalable SEI message applies to two OLSs.
for (int i = 0; i <= scalableNestingSEI->m_nestingNumOlssMinus1; i++)
{
scalableNestingSEI->m_nestingOlsIdxDeltaMinus1[i] = 0; // first ols to which nesting SEI applies is
}
for (int i = 0; i <= scalableNestingSEI->m_nestingNumOlssMinus1; i++)
{
if (i == 0)
{
scalableNestingSEI->m_nestingOlsIdx[i] = scalableNestingSEI->m_nestingOlsIdxDeltaMinus1[i];
}
else
{
scalableNestingSEI->m_nestingOlsIdx[i] = scalableNestingSEI->m_nestingOlsIdxDeltaMinus1[i] + scalableNestingSEI->m_nestingOlsIdxDeltaMinus1[i - 1] + 1;
}
}
scalableNestingSEI->m_nestingAllLayersFlag = 1; // nesting is not applied to all layers
scalableNestingSEI->m_nestingNumLayersMinus1 = 2 - 1; //nesting_num_layers_minus1
scalableNestingSEI->m_nestingLayerId[0] = 0;
scalableNestingSEI->m_nestedSEIs.clear();
for (SEIMessages::iterator it = nestedSEIs.begin(); it != nestedSEIs.end(); it++)
{
scalableNestingSEI->m_nestedSEIs.push_back((*it));
}
}
#endif
//! calculate hashes for entire reconstructed picture
void SEIEncoder::initDecodedPictureHashSEI(SEIDecodedPictureHash *decodedPictureHashSEI, PelUnitBuf& pic, std::string &rHashString, const BitDepths &bitDepths)
{
CHECK(!(m_isInitialized), "Unspecified error");
CHECK(!(decodedPictureHashSEI!=NULL), "Unspecified error");
decodedPictureHashSEI->method = m_pcCfg->getDecodedPictureHashSEIType();
switch (m_pcCfg->getDecodedPictureHashSEIType()) {
case HASHTYPE_MD5:
{
uint32_t numChar=calcMD5(pic, decodedPictureHashSEI->m_pictureHash, bitDepths);
rHashString = hashToString(decodedPictureHashSEI->m_pictureHash, numChar);
}
break;
case HASHTYPE_CRC:
{
uint32_t numChar=calcCRC(pic, decodedPictureHashSEI->m_pictureHash, bitDepths);
rHashString = hashToString(decodedPictureHashSEI->m_pictureHash, numChar);
}
break;
case HASHTYPE_CHECKSUM:
default:
{
uint32_t numChar=calcChecksum(pic, decodedPictureHashSEI->m_pictureHash, bitDepths);
rHashString = hashToString(decodedPictureHashSEI->m_pictureHash, numChar);
}
break;
}
}
void SEIEncoder::initSEIDependentRAPIndication(SEIDependentRAPIndication *seiDependentRAPIndication)
{
CHECK(!(m_isInitialized), "Unspecified error");
CHECK(!(seiDependentRAPIndication!=NULL), "Unspecified error");
}
template <typename T>
static void readTokenValue(T &returnedValue, /// value returned
bool &failed, /// used and updated
std::istream &is, /// stream to read token from
const char *pToken) /// token string
{
returnedValue=T();
if (failed)
{
return;
}
int c;
// Ignore any whitespace
while ((c=is.get())!=EOF && isspace(c));
// test for comment mark
while (c=='#')
{
// Ignore to the end of the line
while ((c=is.get())!=EOF && (c!=10 && c!=13));
// Ignore any white space at the start of the next line
while ((c=is.get())!=EOF && isspace(c));
}
// test first character of token
failed=(c!=pToken[0]);
// test remaining characters of token
int pos;
for(pos=1;!failed && pToken[pos]!=0 && is.get()==pToken[pos]; pos++);
failed|=(pToken[pos]!=0);
// Ignore any whitespace before the ':'
while (!failed && (c=is.get())!=EOF && isspace(c));
failed|=(c!=':');
// Now read the value associated with the token:
if (!failed)
{
is >> returnedValue;
failed=!is.good();
if (!failed)
{
c=is.get(); failed=(c!=EOF && !isspace(c));
}
}
if (failed)
{
std::cerr << "Unable to read token '" << pToken << "'\n";
}
}
template <typename T>
static void readTokenValueAndValidate(T &returnedValue, /// value returned
bool &failed, /// used and updated
std::istream &is, /// stream to read token from
const char *pToken, /// token string
const T &minInclusive, /// minimum value allowed, inclusive
const T &maxInclusive) /// maximum value allowed, inclusive
{
readTokenValue(returnedValue, failed, is, pToken);
if (!failed)
{
if (returnedValue<minInclusive || returnedValue>maxInclusive)
{
failed=true;
std::cerr << "Value for token " << pToken << " must be in the range " << minInclusive << " to " << maxInclusive << " (inclusive); value read: " << returnedValue << std::endl;
}
}
}
#if U0033_ALTERNATIVE_TRANSFER_CHARACTERISTICS_SEI
void SEIEncoder::initSEIAlternativeTransferCharacteristics(SEIAlternativeTransferCharacteristics *seiAltTransCharacteristics)
{
CHECK(!(m_isInitialized), "Unspecified error");
CHECK(!(seiAltTransCharacteristics!=NULL), "Unspecified error");
// Set SEI message parameters read from command line options
seiAltTransCharacteristics->m_preferredTransferCharacteristics = m_pcCfg->getSEIPreferredTransferCharacteristics();
}
#endif
void SEIEncoder::initSEIFilmGrainCharacteristics(SEIFilmGrainCharacteristics *seiFilmGrain)
{
CHECK(!(m_isInitialized), "Unspecified error");
CHECK(!(seiFilmGrain != NULL), "Unspecified error");
// Set SEI message parameters read from command line options
seiFilmGrain->m_filmGrainCharacteristicsCancelFlag = m_pcCfg->getFilmGrainCharactersticsSEICancelFlag();
seiFilmGrain->m_filmGrainCharacteristicsPersistenceFlag = m_pcCfg->getFilmGrainCharactersticsSEIPersistenceFlag();
seiFilmGrain->m_filmGrainModelId = m_pcCfg->getFilmGrainCharactersticsSEIModelID();
seiFilmGrain->m_separateColourDescriptionPresentFlag = m_pcCfg->getFilmGrainCharactersticsSEISepColourDescPresent();
seiFilmGrain->m_blendingModeId = m_pcCfg->getFilmGrainCharactersticsSEIBlendingModeID();
seiFilmGrain->m_log2ScaleFactor = m_pcCfg->getFilmGrainCharactersticsSEILog2ScaleFactor();
for (int i = 0; i < MAX_NUM_COMPONENT; i++)
{
seiFilmGrain->m_compModel[i].presentFlag = m_pcCfg->getFGCSEICompModelPresent(i);
}
}
void SEIEncoder::initSEIMasteringDisplayColourVolume(SEIMasteringDisplayColourVolume *seiMDCV)
{
CHECK(!(m_isInitialized), "Unspecified error");
CHECK(!(seiMDCV != NULL), "Unspecified error");
// Set SEI message parameters read from command line options
for (int j = 0; j <= 1; j++)
{
for (int i = 0; i <= 2; i++)
{
seiMDCV->values.primaries[i][j] = m_pcCfg->getMasteringDisplaySEI().primaries[i][j];
}
seiMDCV->values.whitePoint[j] = m_pcCfg->getMasteringDisplaySEI().whitePoint[j];
}
seiMDCV->values.maxLuminance = m_pcCfg->getMasteringDisplaySEI().maxLuminance;
seiMDCV->values.minLuminance = m_pcCfg->getMasteringDisplaySEI().minLuminance;
}
void SEIEncoder::initSEIContentLightLevel(SEIContentLightLevelInfo *seiCLL)
{
CHECK(!(m_isInitialized), "Unspecified error");
CHECK(!(seiCLL != NULL), "Unspecified error");
// Set SEI message parameters read from command line options
seiCLL->m_maxContentLightLevel = m_pcCfg->getCLLSEIMaxContentLightLevel();
seiCLL->m_maxPicAverageLightLevel = m_pcCfg->getCLLSEIMaxPicAvgLightLevel();
}
void SEIEncoder::initSEIAmbientViewingEnvironment(SEIAmbientViewingEnvironment *seiAmbViewEnvironment)
{
CHECK(!(m_isInitialized), "Unspecified error");
CHECK(!(seiAmbViewEnvironment != NULL), "Unspecified error");
// Set SEI message parameters read from command line options
seiAmbViewEnvironment->m_ambientIlluminance = m_pcCfg->getAmbientViewingEnvironmentSEIIlluminance();
seiAmbViewEnvironment->m_ambientLightX = m_pcCfg->getAmbientViewingEnvironmentSEIAmbientLightX();
seiAmbViewEnvironment->m_ambientLightY = m_pcCfg->getAmbientViewingEnvironmentSEIAmbientLightY();
}
void SEIEncoder::initSEIContentColourVolume(SEIContentColourVolume *seiContentColourVolume)
{
assert(m_isInitialized);
assert(seiContentColourVolume != NULL);
seiContentColourVolume->m_ccvCancelFlag = m_pcCfg->getCcvSEICancelFlag();
seiContentColourVolume->m_ccvPersistenceFlag = m_pcCfg->getCcvSEIPersistenceFlag();
seiContentColourVolume->m_ccvPrimariesPresentFlag = m_pcCfg->getCcvSEIPrimariesPresentFlag();
seiContentColourVolume->m_ccvMinLuminanceValuePresentFlag = m_pcCfg->getCcvSEIMinLuminanceValuePresentFlag();
seiContentColourVolume->m_ccvMaxLuminanceValuePresentFlag = m_pcCfg->getCcvSEIMaxLuminanceValuePresentFlag();
seiContentColourVolume->m_ccvAvgLuminanceValuePresentFlag = m_pcCfg->getCcvSEIAvgLuminanceValuePresentFlag();
// Currently we are using a floor operation for setting up the "integer" values for this SEI.
// This applies to both primaries and luminance limits.
if (seiContentColourVolume->m_ccvPrimariesPresentFlag == true)
{
for (int i = 0; i < MAX_NUM_COMPONENT; i++)
{
seiContentColourVolume->m_ccvPrimariesX[i] = (int32_t)(50000.0 * m_pcCfg->getCcvSEIPrimariesX(i));
seiContentColourVolume->m_ccvPrimariesY[i] = (int32_t)(50000.0 * m_pcCfg->getCcvSEIPrimariesY(i));
}
}
if (seiContentColourVolume->m_ccvMinLuminanceValuePresentFlag == true)
{
seiContentColourVolume->m_ccvMinLuminanceValue = (uint32_t)(10000000 * m_pcCfg->getCcvSEIMinLuminanceValue());
}
if (seiContentColourVolume->m_ccvMaxLuminanceValuePresentFlag == true)
{
seiContentColourVolume->m_ccvMaxLuminanceValue = (uint32_t)(10000000 * m_pcCfg->getCcvSEIMaxLuminanceValue());
}
if (seiContentColourVolume->m_ccvAvgLuminanceValuePresentFlag == true)
{
seiContentColourVolume->m_ccvAvgLuminanceValue = (uint32_t)(10000000 * m_pcCfg->getCcvSEIAvgLuminanceValue());
}
}
void SEIEncoder::initSEISubpictureLevelInfo(SEISubpicureLevelInfo *sei, const SPS *sps)
{
#if JVET_SUBPIC_LEVEL_CFG
const EncCfgParam::CfgSEISubpictureLevel &cfgSubPicLevel = m_pcCfg->getSubpicureLevelInfoSEICfg();
sei->m_numRefLevels = (int) cfgSubPicLevel.m_refLevels.size();
sei->m_refLevelIdc = cfgSubPicLevel.m_refLevels;
sei->m_explicitFractionPresentFlag = cfgSubPicLevel.m_explicitFraction;
if (cfgSubPicLevel.m_explicitFraction)
{
CHECK (sps->getNumSubPics() != cfgSubPicLevel.m_numSubpictures, "Number of subpictures must be equal in SPS and subpicture level information SEI" );
sei->m_numSubpics = cfgSubPicLevel.m_numSubpictures;
sei->m_refLevelFraction.resize(sei->m_numRefLevels);
for (int level=0, cnt=0; level < sei->m_numRefLevels; level++) {
sei->m_refLevelFraction[level].resize(sei->m_numSubpics);
for (int subpic=0; subpic<sei->m_numSubpics; subpic++)
{
sei->m_refLevelFraction[level][subpic] = cfgSubPicLevel.m_fractions[cnt++];
}
}
}
#else
// subpicture level information should be specified via config file
// unfortunately the implementation of subpictures is still not available
// TODO: implement config file parameters and intialization
fprintf(stderr, "SEISubpicureLevelInfo depends on subpictures! Initializing to dummy values!\n");
sei->m_numSubpics = sps->getNumSubPics();
sei->m_numRefLevels = 2;
sei->m_refLevelIdc.resize(2);
sei->m_refLevelIdc[0] = Level::LEVEL4;
sei->m_refLevelIdc[1] = Level::LEVEL8_5;
sei->m_explicitFractionPresentFlag = false;
#endif
}
//! \}