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

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other Intellectual Property Rights other than the copyrights concerning 

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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     this list of conditions and the following disclaimer.

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     software without specific prior written permission.

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

/** \file     Rom.h

    \brief    global variables & functions (header)

*/

#pragma once

#include "CommonDef.h"

#include "Common.h"

#if ENABLE_TRACING

#include "dtrace.h"

#endif

#include "TimeProfiler.h"

#include <iostream>

//! \ingroup CommonLib

//! \{

namespace vvenc {

/*! Sophisticated Trace-logging */

#if ENABLE_TRACING

extern CDTrace* g_trace_ctx;

#endif

#if ENABLE_TIME_PROFILING

extern TProfiler *g_timeProfiler;

#if ENABLE_TIME_PROFILING_MT_MODE

extern thread_local std::unique_ptr<TProfiler> ptls;

#endif

#endif

// ====================================================================================================================

// Data structure related table & variable

// ====================================================================================================================

// flexible conversion from relative to absolute index

struct ScanElement

{

  uint16_t idx;

  uint8_t  x;

  uint8_t  y;

};

class InitGeoRom

{

  public:

    InitGeoRom() { initGeoTemplate(); }

    ~InitGeoRom() { }

  private:

    void initGeoTemplate() const;

  private:

};

extern const ScanElement  m_scanOrderBuf[32258];

extern const ScanElement* m_scanOrder[SCAN_NUMBER_OF_GROUP_TYPES][MAX_TU_SIZE_IDX][MAX_TU_SIZE_IDX];

const ScanElement* const getScanOrder( int g, int w2, int h2 );

extern const int8_t g_BcwLog2WeightBase;

extern const int8_t g_BcwWeightBase;

extern const int8_t g_BcwWeights[BCW_NUM];

extern const int8_t g_BcwSearchOrder[BCW_NUM];

extern const int8_t g_BcwCodingOrder[BCW_NUM];

extern const int8_t g_BcwParsingOrder[BCW_NUM];

class CodingStructure;

int8_t getBcwWeight(uint8_t bcwIdx, uint8_t uhRefFrmList);

void resetBcwCodingOrder(bool bRunDecoding, const CodingStructure &cs);

uint32_t deriveWeightIdxBits(uint8_t bcwIdx);

extern const InitGeoRom g_scanOrderRom;

extern const uint32_t g_log2SbbSize[MAX_TU_SIZE_IDX][MAX_TU_SIZE_IDX][2];

extern const ScanElement g_coefTopLeftDiagScan8x8[MAX_TU_SIZE_IDX][64];

extern const int g_quantScales   [2/*0=4^n blocks, 1=2*4^n blocks*/][SCALING_LIST_REM_NUM];          // Q(QP%6)

extern const int g_invQuantScales[2/*0=4^n blocks, 1=2*4^n blocks*/][SCALING_LIST_REM_NUM];          // IQ(QP%6)

static const int g_numTransformMatrixSizes = 6;

static const int g_transformMatrixShift[TRANSFORM_NUMBER_OF_DIRECTIONS] = {  6/*, 6 */ };

// ====================================================================================================================

// Scanning order & context mapping table

// ====================================================================================================================

extern const uint32_t   g_uiGroupIdx[ MAX_TB_SIZEY ];

extern const uint32_t   g_uiMinInGroup[ LAST_SIGNIFICANT_GROUPS ];

extern const uint32_t   g_auiGoRiceParsCoeff     [ 32 ];

inline uint32_t g_auiGoRicePosCoeff0(int st, uint32_t ricePar)

{

  return (st < 2 ? 1 : 2) << ricePar;

}

// ====================================================================================================================

// Intra prediction table

// ====================================================================================================================

extern const uint8_t  g_aucIntraModeNumFast_UseMPM_2D[7 - MIN_CU_LOG2 + 1][7 - MIN_CU_LOG2 + 1];

extern const uint8_t  g_aucIntraModeNumFast_UseMPM   [MAX_CU_DEPTH];

extern const uint8_t  g_aucIntraModeNumFast_NotUseMPM[MAX_CU_DEPTH];

extern const uint8_t  g_chroma422IntraAngleMappingTable[NUM_INTRA_MODE];

// ====================================================================================================================

// Luma QP to Chroma QP mapping

// ====================================================================================================================

static const int chromaQPMappingTableSize = (MAX_QP + 7);

extern const uint8_t  g_aucChromaScale[NUM_CHROMA_FORMAT][chromaQPMappingTableSize];

// ====================================================================================================================

// Mode-Dependent DST Matrices

// ====================================================================================================================

extern const TMatrixCoeff g_trCoreDCT2P2  [TRANSFORM_NUMBER_OF_DIRECTIONS][  2][  2];

extern const TMatrixCoeff g_trCoreDCT2P4  [TRANSFORM_NUMBER_OF_DIRECTIONS][  4][  4];

extern const TMatrixCoeff g_trCoreDCT2P8  [TRANSFORM_NUMBER_OF_DIRECTIONS][  8][  8];

extern const TMatrixCoeff g_trCoreDCT2P16 [TRANSFORM_NUMBER_OF_DIRECTIONS][ 16][ 16];

extern const TMatrixCoeff g_trCoreDCT2P32 [TRANSFORM_NUMBER_OF_DIRECTIONS][ 32][ 32];

extern const TMatrixCoeff g_trCoreDCT2P64 [TRANSFORM_NUMBER_OF_DIRECTIONS][ 64][ 64];

extern const TMatrixCoeff g_trCoreDCT8P4  [TRANSFORM_NUMBER_OF_DIRECTIONS][  4][  4];

extern const TMatrixCoeff g_trCoreDCT8P8  [TRANSFORM_NUMBER_OF_DIRECTIONS][  8][  8];

extern const TMatrixCoeff g_trCoreDCT8P16 [TRANSFORM_NUMBER_OF_DIRECTIONS][ 16][ 16];

extern const TMatrixCoeff g_trCoreDCT8P32 [TRANSFORM_NUMBER_OF_DIRECTIONS][ 32][ 32];

extern const TMatrixCoeff g_trCoreDST7P4  [TRANSFORM_NUMBER_OF_DIRECTIONS][  4][  4];

extern const TMatrixCoeff g_trCoreDST7P8  [TRANSFORM_NUMBER_OF_DIRECTIONS][  8][  8];

extern const TMatrixCoeff g_trCoreDST7P16 [TRANSFORM_NUMBER_OF_DIRECTIONS][ 16][ 16];

extern const TMatrixCoeff g_trCoreDST7P32 [TRANSFORM_NUMBER_OF_DIRECTIONS][ 32][ 32];

extern const     int8_t   g_lfnstFwd8x8[ 4 ][ 2 ][ 16 ][ 48 ];

extern const     int8_t   g_lfnstFwd4x4[ 4 ][ 2 ][ 16 ][ 16 ];

extern const     int8_t   g_lfnstInv8x8[ 4 ][ 2 ][ 48 ][ 16 ];

extern const     int8_t   g_lfnstInv4x4[ 4 ][ 2 ][ 16 ][ 16 ];

extern const     uint8_t  g_lfnstLut[ NUM_INTRA_MODE + NUM_EXT_LUMA_MODE - 1 ];

// ====================================================================================================================

// Misc.

// ====================================================================================================================

inline int Log2(uint32_t x)

{

  return floorLog2( x );

}

extern const int       g_ictModes[2][4];

extern const UnitScale     g_miScaling; // scaling object for motion scaling

extern const char *MatrixType   [SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM];

extern const char *MatrixType_DC[SCALING_LIST_SIZE_NUM][SCALING_LIST_NUM];

extern const int g_quantTSDefault4x4   [4*4];

extern const int g_quantIntraDefault8x8[8*8];

extern const int g_quantInterDefault8x8[8*8];

extern const uint32_t g_scalingListSize [SCALING_LIST_SIZE_NUM];

extern const uint32_t g_scalingListSizeX[SCALING_LIST_SIZE_NUM];

class CodingStructure;

const int g_IBCBufferSize = 256 * 128;

constexpr uint8_t g_tbMax[257] = { 0, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,

4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,

5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,

6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7,

7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,

7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8 };

//! \}

extern int16_t   g_GeoParams[GEO_NUM_PARTITION_MODE][2];

extern int16_t   g_globalGeoWeights[GEO_NUM_PRESTORED_MASK]   [GEO_WEIGHT_MASK_SIZE * GEO_WEIGHT_MASK_SIZE];

extern int16_t   g_globalGeoEncSADmask[GEO_NUM_PRESTORED_MASK][GEO_WEIGHT_MASK_SIZE * GEO_WEIGHT_MASK_SIZE];

extern const int8_t    g_angle2mask[GEO_NUM_ANGLES];

extern const int8_t    g_Dis[GEO_NUM_ANGLES];

extern const int8_t    g_angle2mirror[GEO_NUM_ANGLES];

extern int16_t   g_weightOffset[GEO_NUM_CU_SIZE][GEO_NUM_CU_SIZE][GEO_NUM_PARTITION_MODE][2];

#if ENABLE_CU_MODE_COUNTERS

#define E_COUNTERS_CU(E_) \

    E_( CU_MODES_TRIED ) \

    E_( CU_MODES_TESTED ) \

    E_( CU_RD_TESTS ) \

    E_( CU_CODED_FINALLY )

MAKE_ENUM_AND_STRINGS( E_COUNTERS_CU, CUCounterId, g_cuCounterIdNames )

extern StatCounters::StatCounter2DSet<int64_t> g_cuCounters1D;

extern StatCounters::StatCounter2DSet<int64_t> g_cuCounters2D;

#define STAT_COUNT_CU_MODES(cond,...) if(cond) {(__VA_ARGS__)++;}

#else

#define STAT_COUNT_CU_MODES(cond,...)

#endif

} // namespace vvenc

//! \}