/* The copyright in this software is being made available under the BSD
 * License, included below. This software may be subject to other third party
 * and contributor rights, including patent rights, and no such rights are
 * granted under this license.
 *
 * Copyright (c) 2010-2019, ITU/ISO/IEC
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *  * Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
 *  * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
 *    be used to endorse or promote products derived from this software without
 *    specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#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_tl0Idx(0)
    ,m_rapIdx(0)
    ,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 initSEIActiveParameterSets (SEIActiveParameterSets *sei, const SPS *sps);
  void initSEIFramePacking(SEIFramePacking *sei, int currPicNum);
  void initSEIDisplayOrientation(SEIDisplayOrientation *sei);
  void initSEIToneMappingInfo(SEIToneMappingInfo *sei);
  void initSEISOPDescription(SEISOPDescription *sei, Slice *slice, int picInGOP, int lastIdr, int currGOPSize);
  void initSEIBufferingPeriod(SEIBufferingPeriod *sei, Slice *slice);
  void initSEIScalableNesting(SEIScalableNesting *sei, SEIMessages &nestedSEIs);
  void initSEIRecoveryPoint(SEIRecoveryPoint *sei, Slice *slice);
  void initSEISegmentedRectFramePacking(SEISegmentedRectFramePacking *sei);
  void initSEITempMotionConstrainedTileSets (SEITempMotionConstrainedTileSets *sei, const PPS *pps);
  void initSEIKneeFunctionInfo(SEIKneeFunctionInfo *sei);
  void initSEIChromaResamplingFilterHint(SEIChromaResamplingFilterHint *sei, int iHorFilterIndex, int iVerFilterIndex);
  void initSEITimeCode(SEITimeCode *sei);
  bool initSEIColourRemappingInfo(SEIColourRemappingInfo *sei, int currPOC); // returns true on success, false on failure.
#if U0033_ALTERNATIVE_TRANSFER_CHARACTERISTICS_SEI
  void initSEIAlternativeTransferCharacteristics(SEIAlternativeTransferCharacteristics *sei);
#endif

  // trailing SEIs
  void initDecodedPictureHashSEI(SEIDecodedPictureHash *sei, PelUnitBuf& pic, std::string &rHashString, const BitDepths &bitDepths);
  void initTemporalLevel0IndexSEI(SEITemporalLevel0Index *sei, Slice *slice);
  void initSEIGreenMetadataInfo(SEIGreenMetadataInfo *sei, uint32_t u);

private:
  EncCfg* m_pcCfg;
  EncLib* m_pcEncLib;
  EncGOP* m_pcEncGOP;

  // for temporal level 0 index SEI
  uint32_t m_tl0Idx;
  uint32_t m_rapIdx;

  bool m_isInitialized;
};


//! \}

#endif // __SEIENCODER__
