/* -----------------------------------------------------------------------------

The copyright in this software is being made available under the Clear BSD

License, included below. No patent rights, trademark rights and/or 

other Intellectual Property Rights other than the copyrights concerning 

the Software are granted under this license.

The Clear BSD License

Copyright (c) 2019-2026, Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. & The VVenC Authors.

All rights reserved.

Redistribution and use in source and binary forms, with or without modification,

are permitted (subject to the limitations in the disclaimer below) 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 copyright holder nor the names of its

     contributors may be used to endorse or promote products derived from this

     software without specific prior written permission.

NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY

THIS LICENSE. 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.

------------------------------------------------------------------------------------------- */

#pragma once

#include "CommonLib/SEI.h"

#include "CommonLib/Unit.h"

#include <deque>

//! \ingroup EncoderLib

//! \{

namespace vvenc {

// forward declarations

class EncHRD;

class GOPCfg;

struct DUData

{

  DUData() : accumBitsDU(0), accumNalsDU(0) {};

  int accumBitsDU;

  int accumNalsDU;

};

//! Initializes different SEI message types based on given encoder configuration parameters

class SEIEncoder

{

public:

  SEIEncoder()

    : m_pcEncCfg      ( nullptr )

    , m_gopCfg        ( nullptr )

    , m_pcEncHRD      ( nullptr )

    , m_isInitialized ( false )

    , m_rapWithLeading( false )

  {};

  virtual ~SEIEncoder(){};

  void init( const VVEncCfg& encCfg, const GOPCfg* gopCfg, EncHRD& encHRD);

  void initDecodedPictureHashSEI  ( SEIDecodedPictureHash& dphSei, const CPelUnitBuf& pic, std::string &rHashString, const BitDepths &bitDepths);

  void initBufferingPeriodSEI     ( SEIBufferingPeriod& bpSei, bool noLeadingPictures);

  void initPictureTimingSEI       ( SEIMessages& seiMessages, SEIMessages& nestedSeiMessages, SEIMessages& duInfoSeiMessages, const Slice *slice, const uint32_t numDU, const bool bpPresentInAU);

  void initDrapSEI                ( SEIDependentRAPIndication& drapSei) {};

  void initSEIAlternativeTransferCharacteristics(SEIAlternativeTransferCharacteristics *seiAltTransCharacteristics);

  void initSEIMasteringDisplayColourVolume(SEIMasteringDisplayColourVolume *seiMDCV);

  void initSEIContentLightLevel(SEIContentLightLevelInfo *seiCLL);

  void initSeiFgc(SeiFgc* sei);

private:

  const VVEncCfg* m_pcEncCfg;

  const GOPCfg*   m_gopCfg;

  EncHRD*         m_pcEncHRD;

  bool            m_isInitialized;

  bool            m_rapWithLeading;

  uint32_t        m_lastBPSEI[VVENC_MAX_TLAYER];

  uint32_t        m_totalCoded[VVENC_MAX_TLAYER];

};

} // namespace vvenc

//! \}