SEIEncoder.h

/* The copyright in this software is being made available under the BSD
 * License, included below. This software may be subject to other third party
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 * granted under this license.
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 * Copyright (c) 2010-2024, ITU/ISO/IEC
 * All rights reserved.
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 *    this list of conditions and the following disclaimer.
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#pragma once

#ifndef __SEIENCODER__
#define __SEIENCODER__

#include "CommonLib/SEI.h"

// forward declarations
class EncCfg;
class EncLib;
class EncGOP;


//! Initializes different SEI message types based on given encoder configuration parameters
class SEIEncoder
{
public:
  SEIEncoder() : m_pcCfg(nullptr), m_pcEncLib(nullptr), m_pcEncGOP(nullptr), m_isInitialized(false){};
  virtual ~SEIEncoder(){};

  void init(EncCfg* encCfg, EncLib *encTop, EncGOP *encGOP)
  {
    m_pcCfg = encCfg;
    m_pcEncGOP = encGOP;
    m_pcEncLib = encTop;
    m_isInitialized = true;
  };

  // leading SEIs
  void initSEIFramePacking(SEIFramePacking *sei, int currPicNum);
  void initSEIParameterSetsInclusionIndication(SEIParameterSetsInclusionIndication* sei);
  void initSEIDependentRAPIndication(SEIDependentRAPIndication *sei);
  void initSEIExtendedDrapIndication(SEIExtendedDrapIndication *sei);
  void initSEIBufferingPeriod(SEIBufferingPeriod *sei, bool noLeadingPictures);
  void initSEIAlternativeTransferCharacteristics(SEIAlternativeTransferCharacteristics *sei);
  void initSEIScalableNesting(SEIScalableNesting* sn, SEIMessages& nestedSEIs, const std::vector<int>& targetOLSs,
                              const std::vector<int>& targetLayers, const std::vector<uint16_t>& subpictureIDs,
                              uint16_t maxSubpicIdInPic);
  void initDecodedPictureHashSEI(SEIDecodedPictureHash *sei, PelUnitBuf& pic, std::string &rHashString, const BitDepths &bitDepths);
  void initSEIErp(SEIEquirectangularProjection *sei);
  void initSEISphereRotation(SEISphereRotation *sei);
  void initSEIOmniViewport(SEIOmniViewport *sei);
  void initSEIRegionWisePacking(SEIRegionWisePacking *sei);
  void initSEIGcmp(SEIGeneralizedCubemapProjection *sei);
  void initSEISubpictureLevelInfo(SEISubpictureLevelInfo* sli, const SPS* sps);
  void initSEISampleAspectRatioInfo(SEISampleAspectRatioInfo *sei);
  void initSEIPhaseIndication(SEIPhaseIndication* sei, int ppsId);
  void initSEIFilmGrainCharacteristics(SEIFilmGrainCharacteristics *sei);
  void initSEIMasteringDisplayColourVolume(SEIMasteringDisplayColourVolume *sei);
  void initSEIContentLightLevel(SEIContentLightLevelInfo *sei);
  void initSEIAmbientViewingEnvironment(SEIAmbientViewingEnvironment *sei);
  void initSEIContentColourVolume(SEIContentColourVolume *sei);
  void initSEIScalabilityDimensionInfo(SEIScalabilityDimensionInfo *sei);
  void initSEIMultiviewAcquisitionInfo(SEIMultiviewAcquisitionInfo *sei);
  void initSEIAlphaChannelInfo(SEIAlphaChannelInfo *sei);
  void initSEIDepthRepresentationInfo(SEIDepthRepresentationInfo *sei);
  bool initSEIAnnotatedRegions(SEIAnnotatedRegions *sei, int currPOC);
  void initSEIColourTransformInfo(SEIColourTransformInfo* sei);
  void readAnnotatedRegionSEI(std::istream &fic, SEIAnnotatedRegions *seiAnnoRegion, bool &failed);
  void initSEISEIManifest(SEIManifest *seiSeiManifest, const SEIMessages &seiMessage);
  void initSEISEIPrefixIndication(SEIPrefixIndication *seiSeiPrefixIndications, const SEI *sei);

  void initSEIMultiviewViewPosition(SEIMultiviewViewPosition *sei);
  void initSEIShutterIntervalInfo(SEIShutterIntervalInfo *sei);
  void initSEINeuralNetworkPostFilterCharacteristics(SEINeuralNetworkPostFilterCharacteristics *sei, int filterIdx);
  void initSEINeuralNetworkPostFilterActivation(SEINeuralNetworkPostFilterActivation *sei);
#if JVET_AF0310_PO_NESTING
  void initSEIProcessingOrderInfo(SEIProcessingOrderInfo *seiProcessingOrderInfo, SEIProcessingOrderNesting *seiProcessingOrderNesting);
#else
  void initSEIProcessingOrderInfo(SEIProcessingOrderInfo *sei);
#endif
  void initSEIPostFilterHint(SEIPostFilterHint *sei);
#if GREEN_METADATA_SEI_ENABLED
  void initSEIGreenMetadataInfo(SEIGreenMetadataInfo *sei, FeatureCounterStruct featureCounter, SEIQualityMetrics metrics, SEIComplexityMetrics greenMetadata);
#endif
private:
  EncCfg* m_pcCfg;
  EncLib* m_pcEncLib;
  EncGOP* m_pcEncGOP;

  bool m_isInitialized;
};


//! \}

#endif // __SEIENCODER__