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the Software are granted under this license.

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

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#pragma once

#include "CommonLib/CommonDef.h"

#include <stdint.h>

namespace vvenc {

struct SPS; // Forward declaration.

struct LevelTierFeatures

{

  vvencLevel    level;

  uint32_t      maxLumaPs;

  uint32_t      maxCpb[VVENC_NUMBER_OF_TIERS];    // in units of CpbVclFactor or CpbNalFactor bits

  uint32_t      maxSlicesPerAu;

  uint32_t      maxTilesPerAu;

  uint32_t      maxTileCols;

  uint32_t      maxTileRows;

  uint64_t      maxLumaSr;

  uint32_t      maxBr[VVENC_NUMBER_OF_TIERS];     // in units of BrVclFactor or BrNalFactor bits/s

  uint32_t      minCrBase[VVENC_NUMBER_OF_TIERS];

  uint32_t      getMaxPicWidthInLumaSamples()  const;

  uint32_t      getMaxPicHeightInLumaSamples() const;

  static vvencLevel getMaxLevel(vvencProfile profile);

  static vvencLevel getLevelForInput( uint32_t width, uint32_t height, bool tier, int temporalRate, int temporalScale, int bitrate );

  static void getMaxTileColsRowsPerLevel( vvencLevel level, uint32_t &maxCols, uint32_t &maxRows );

};

struct ProfileFeatures

{

  vvencProfile             profile;

  const char              *pNameString;

  uint32_t                 maxBitDepth;

  ChromaFormat             maxChromaFormat;

  bool                     canUseLevel15p5;

  uint32_t                 cpbVclFactor;

  uint32_t                 cpbNalFactor;

  uint32_t                 formatCapabilityFactorx1000;

  uint32_t                 minCrScaleFactorx100;

  const LevelTierFeatures *pLevelTiersListInfo;

  bool                     onePictureOnlyFlagMustBe1;

  static const ProfileFeatures *getProfileFeatures(const vvencProfile p);

};

class ProfileLevelTierFeatures

{

  private:

    const ProfileFeatures   *m_pProfile;

    const LevelTierFeatures *m_pLevelTier;

    vvencTier                m_tier;

  public:

    ProfileLevelTierFeatures() : m_pProfile(nullptr), m_pLevelTier(nullptr), m_tier(VVENC_TIER_MAIN) {}

    void extractPTLInformation(const SPS &sps);

    const ProfileFeatures     *getProfileFeatures()   const { return m_pProfile; }

    const LevelTierFeatures   *getLevelTierFeatures() const { return m_pLevelTier; }

    vvencTier                  getTier()              const { return m_tier; }

    uint64_t getCpbSizeInBits()                       const;

    double getMinCr()                                 const;

    uint32_t getMaxDpbSize( uint32_t picSizeMaxInSamplesY ) const;

};

} // namespace