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
 * and contributor rights, including patent rights, and no such rights are
 * granted under this license.
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 * Copyright (c) 2010-2023, ITU/ISO/IEC
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
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 *    this list of conditions and the following disclaimer.
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 *    be used to endorse or promote products derived from this software without
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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(NULL)
    ,m_pcEncLib(NULL)
    ,m_pcEncGOP(NULL)
  ,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 initSEIBufferingPeriod(SEIBufferingPeriod *sei, bool noLeadingPictures);
#if U0033_ALTERNATIVE_TRANSFER_CHARACTERISTICS_SEI
  void initSEIAlternativeTransferCharacteristics(SEIAlternativeTransferCharacteristics *sei);
#endif
#if JVET_R0294_SUBPIC_HASH
  void initSEIScalableNesting(SEIScalableNesting *scalableNestingSEI, SEIMessages &nestedSEIs, const std::vector<int> &targetOLSs, const std::vector<int> &targetLayers, const std::vector<uint16_t> &subpictureIDs);
#else
  void initSEIScalableNesting(SEIScalableNesting *scalableNestingSEI, SEIMessages &nestedSEIs, const std::vector<uint16_t> &subpictureIDs);
#endif
  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(SEISubpicureLevelInfo *sei, const SPS *sps);
  void initSEISampleAspectRatioInfo(SEISampleAspectRatioInfo *sei);
  void initSEIFilmGrainCharacteristics(SEIFilmGrainCharacteristics *sei);
  void initSEIMasteringDisplayColourVolume(SEIMasteringDisplayColourVolume *sei);
  void initSEIContentLightLevel(SEIContentLightLevelInfo *sei);
  void initSEIAmbientViewingEnvironment(SEIAmbientViewingEnvironment *sei);
  void initSEIContentColourVolume(SEIContentColourVolume *sei);
private:
  EncCfg* m_pcCfg;
  EncLib* m_pcEncLib;
  EncGOP* m_pcEncGOP;

  bool m_isInitialized;
};


//! \}

#endif // __SEIENCODER__