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/** \file     dtrace_buffer.h

 *  \brief    Easy to use dtrace calls concerning buffers

 */

#pragma once

#include "dtrace.h"

#include "dtrace_next.h"

#include "CommonDef.h"

#include "Unit.h"

#include "UnitTools.h"

//! \ingroup CommonLib

//! \{

namespace vvenc {

inline unsigned calcCheckSum( const int iWidth, const int iHeight,  const Pel* p,  const uint32_t stride,  const int bitdepth )

{

  unsigned checksum = 0;

  for( unsigned y = 0; y < iHeight; y++)

  {

    for( unsigned  x = 0; x < iWidth; x++)

    {

      uint8_t xor_mask = (x & 0xff) ^ (y & 0xff) ^ (x >> 8) ^ (y >> 8);

      checksum = (checksum + ((p[y*stride+x] & 0xff) ^ xor_mask)) & 0xffffffff;

      if(bitdepth > 8)

      {

        checksum = (checksum + ((p[y*stride+x]>>8) ^ xor_mask)) & 0xffffffff;

      }

    }

  }

  return checksum;

}

inline unsigned calcCheckSum( const CPelBuf& buf, int bitdepth )

{

  return calcCheckSum( buf.width, buf.height, buf.buf, buf.stride, bitdepth );

}

#if ENABLE_TRACING

//////////////////////////////////////////////////////////////////////////

//

// Specialized helper functions

//

//////////////////////////////////////////////////////////////////////////

template<typename T>

inline void dtraceCoeffBuf( DTRACE_CHANNEL channnel, const AreaBuf<T>& coefBuf, const UnitArea& ua, PredMode predMode, const ComponentID compId, uint32_t zIdx = 0 )

{

  int x0 = ua.blocks[compId].x;

  int y0 = ua.blocks[compId].y;

  const uint32_t    uiStride = coefBuf.stride;

  const T*          piReco   = coefBuf.buf;

  const uint32_t    uiWidth  = ua.blocks[compId].width;

  const uint32_t    uiHeight = ua.blocks[compId].height;

  DTRACE(g_trace_ctx, channnel, "@(%4d,%4d) [%2dx%2d] comp=%d predmode=%d \n", x0, y0, uiWidth, uiHeight, compId, predMode);

  DTRACE_BLOCK(g_trace_ctx, channnel, piReco, uiStride, uiWidth, uiHeight);

}

inline void dtracePelBuf( DTRACE_CHANNEL channnel, const CPelBuf& pelBuf, const UnitArea& ua, PredMode predMode, const ComponentID compId )

{

  int x0 = ua.block(compId).x;

  int y0 = ua.block(compId).y;

  const uint32_t    uiStride     = pelBuf.stride;

  const Pel*    piReco       = pelBuf.buf;

  const uint32_t    uiWidth      = ua.block(compId).width;

  const uint32_t    uiHeight     = ua.block(compId).height;

  DTRACE      ( g_trace_ctx, channnel,   "@(%4d,%4d) [%2dx%2d] comp=%d predmode=%d \n", x0, y0, uiWidth, uiHeight, compId, predMode );

  DTRACE_BLOCK( g_trace_ctx, channnel,   piReco, uiStride, uiWidth, uiHeight );

}

inline void dtraceBlockRec( const CPelUnitBuf& pelUnitBuf, const UnitArea& ua, PredMode predMode, uint32_t zIdx = 0 )

{

  if( ua.blocks[COMP_Y].valid() )

  {

    const int     x0           = ua.lumaPos().x;

    const int     y0           = ua.lumaPos().y;

    const uint32_t    uiStride     = pelUnitBuf.Y().stride;

    const Pel*    piReco       = pelUnitBuf.Y().buf;

    const uint32_t    uiWidth      = ua.lumaSize().width;

    const uint32_t    uiHeight     = ua.lumaSize().height;

    DTRACE      ( g_trace_ctx, D_REC_CB_LUMA,   "%d, x=%d, y=%d, size=%dx%d, predmode=%d \n", zIdx, x0, y0, uiWidth, uiHeight, predMode );

    DTRACE_BLOCK( g_trace_ctx, D_REC_CB_LUMA,   piReco, uiStride, uiWidth, uiHeight );

  }

  if( ua.blocks.size() > 2 && ua.blocks[COMP_Cb].valid() )

  {

    const int     x0           = ua.blocks[1].x;

    const int     y0           = ua.blocks[1].y;

    const uint32_t    uiWidth      = ua.blocks[1].width;

    const uint32_t    uiHeight     = ua.blocks[1].height;

    const uint32_t    uiCStride    = pelUnitBuf.Cb().stride;

    const Pel*    piRecoU      = pelUnitBuf.Cb().buf;

    const Pel*    piRecoV      = pelUnitBuf.Cr().buf;

    DTRACE      ( g_trace_ctx, D_REC_CB_CHROMA, "%d, x=%d, y=%d, size=%dx%d, predmode=%d \n", zIdx, x0, y0, uiWidth, uiHeight, predMode );

    DTRACE_BLOCK( g_trace_ctx, D_REC_CB_CHROMA, piRecoU, uiCStride, uiWidth, uiHeight );

    DTRACE_BLOCK( g_trace_ctx, D_REC_CB_CHROMA, piRecoV, uiCStride, uiWidth, uiHeight );

  }

}

inline void dtraceUnitComp( DTRACE_CHANNEL channel, CPelUnitBuf& pelUnitBuf, const UnitArea& ua, ComponentID compId, PredMode predMode, uint32_t zIdx = 0 )

{

  if( !g_trace_ctx ) return;

  if( pelUnitBuf.chromaFormat == CHROMA_400 && compId != COMP_Y )  return;

  const Pel* piReco   = pelUnitBuf.bufs[compId].buf;

  uint32_t       uiStride = pelUnitBuf.bufs[compId].stride;

  uint32_t       uiWidth  = ua.blocks[compId].width;

  uint32_t       uiHeight = ua.blocks[compId].height;

  int x0              = ua.lumaPos().x;

  int y0              = ua.lumaPos().y;

  DTRACE      ( g_trace_ctx, channel, "%s: %d, x=%d, y=%d, size=%dx%d, predmode=%d \n", g_trace_ctx->getChannelName(channel), zIdx, x0, y0, uiWidth, uiHeight, predMode );

  DTRACE_BLOCK( g_trace_ctx, channel, piReco, uiStride, uiWidth, uiHeight );

}

inline void dtraceMotField( CDTrace *trace_ctx, const CodingUnit& cu )

{

  DTRACE( trace_ctx, D_MOT_FIELD, "CU %d,%d @ %d,%d\n", cu.lwidth(), cu.lheight(), cu.lx(), cu.ly() );

  const CMotionBuf mb = cu.getMotionBuf();

  for( uint32_t listIdx = 0; listIdx < 2; listIdx++ )

  {

    RefPicList eListIdx = RefPicList( listIdx );

    for( int y = 0, i = 0; y < cu.lheight(); y += 4 )

    {

      for( int x = 0; x < cu.lwidth(); x += 4, i++ )

      {

        const MotionInfo &mi = mb.at( x >> 2, y >> 2 );

        DTRACE( trace_ctx, D_MOT_FIELD, "%d,%d:%d  ", mi.mv[eListIdx].hor, mi.mv[eListIdx].ver, mi.miRefIdx[eListIdx] );

      }

      DTRACE( trace_ctx, D_MOT_FIELD, "\n" );

    }

    DTRACE( trace_ctx, D_MOT_FIELD, "\n" );

  }

}

inline void dtraceCRC( CDTrace *trace_ctx, DTRACE_CHANNEL channel, const CodingStructure& cs, const CPelUnitBuf& pelUnitBuf, const Area* parea = NULL )

{

  const Area& area = parea ? *parea : cs.area.Y();

  if( cs.pcv->chrFormat == VVENC_CHROMA_400)

  {

    DTRACE( trace_ctx, channel, " CRC: %6lld %3d @(%4d,%4d) [%2dx%2d] ,Checksum(%x)\n",

        DTRACE_GET_COUNTER( g_trace_ctx, channel ),

        cs.slice->poc,

        area.x, area.y, area.width, area.height,

        calcCheckSum( pelUnitBuf.bufs[COMP_Y],  cs.sps->bitDepths[CH_L]));

  }

  else

  {

    DTRACE( trace_ctx, channel, " CRC: %6lld %3d @(%4d,%4d) [%2dx%2d] ,Checksum(%x %x %x)\n",

        DTRACE_GET_COUNTER( g_trace_ctx, channel ),

        cs.slice->poc,

        area.x, area.y, area.width, area.height,

        calcCheckSum( pelUnitBuf.bufs[COMP_Y],  cs.sps->bitDepths[CH_L]),

        calcCheckSum( pelUnitBuf.bufs[COMP_Cb], cs.sps->bitDepths[CH_C]),

        calcCheckSum( pelUnitBuf.bufs[COMP_Cr], cs.sps->bitDepths[CH_C]));

  }

}

inline void dtraceCCRC( CDTrace *trace_ctx, DTRACE_CHANNEL channel, const CodingStructure& cs, const CPelBuf& pelBuf, ComponentID compId, const Area* parea = NULL )

{

  const Area& area = parea ? *parea : cs.area.Y();

  DTRACE( trace_ctx, channel, "CCRC: %6lld %3d @(%4d,%4d) [%2dx%2d] ,comp %d Checksum(%x)\n",

      DTRACE_GET_COUNTER( g_trace_ctx, channel ),

      cs.slice->poc,

      area.x, area.y, area.width, area.height, compId,

      calcCheckSum( pelBuf, cs.sps->bitDepths[ toChannelType(compId) ]));

}

inline void dtraceAreaCRC( CDTrace *trace_ctx, DTRACE_CHANNEL channel, const CodingStructure& cs, const UnitArea& ctuArea )

{

  dtraceCRC( g_trace_ctx, channel, cs, cs.picture->getRecoBuf( clipArea( ctuArea, *cs.picture ) ), &ctuArea.Y() );

  for( auto &currCU : cs.traverseCUs( CS::getArea( cs, ctuArea, CH_L, TREE_D ), CH_L ) )

  {

    if( currCU.Y().valid() )

    {

      dtraceCCRC(g_trace_ctx, channel, *currCU.cs, currCU.cs->picture->getRecoBuf(currCU.Y()), COMP_Y, &currCU.Y());

    }

  }

  if( cs.pcv->chrFormat != VVENC_CHROMA_400 )

  {

    for( auto &currCU : cs.traverseCUs( CS::getArea( cs, ctuArea, CH_C, TREE_D ), CH_C ) )

    {

      if( currCU.Cb().valid() )

      {

        dtraceCCRC(g_trace_ctx, channel, *currCU.cs, currCU.cs->picture->getRecoBuf(currCU.Cb()), COMP_Cb, &currCU.Cb());

        dtraceCCRC(g_trace_ctx, channel, *currCU.cs, currCU.cs->picture->getRecoBuf(currCU.Cr()), COMP_Cr, &currCU.Cb());

      }

    }

  }

}

#define DTRACE_PEL_BUF(...)              dtracePelBuf( __VA_ARGS__ )

#define DTRACE_COEFF_BUF(...)            dtraceCoeffBuf( __VA_ARGS__ )

#define DTRACE_BLOCK_REC(...)            dtraceBlockRec( __VA_ARGS__ )

#define DTRACE_PEL_BUF_COND(_cond,...)   { if((_cond)) dtracePelBuf( __VA_ARGS__ ); }

#define DTRACE_COEFF_BUF_COND(_cond,...) { if((_cond)) dtraceCoeffBuf( __VA_ARGS__ ); }

#define DTRACE_BLOCK_REC_COND(_cond,...) { if((_cond)) dtraceBlockRec( __VA_ARGS__ ); }

#define DTRACE_UNIT_COMP(...)            dtraceUnitComp( __VA_ARGS__ )

#define DTRACE_MOT_FIELD(...)            dtraceMotField( __VA_ARGS__ )

#define DTRACE_CRC(...)                  dtraceCRC( __VA_ARGS__ )

#define DTRACE_CCRC(...)                 dtraceCCRC( __VA_ARGS__ )

#define DTRACE_AREA_CRC(...)             dtraceAreaCRC( __VA_ARGS__ )

#else

#define DTRACE_PEL_BUF(...)

#define DTRACE_COEFF_BUF(...)

#define DTRACE_BLOCK_REC(...)

#define DTRACE_PEL_BUF_COND(...)

#define DTRACE_COEFF_BUF_COND(...)

#define DTRACE_BLOCK_REC_COND(...)

#define DTRACE_UNIT_COMP(...)

#define DTRACE_MOT_FIELD(...)

#define DTRACE_CRC(...)

#define DTRACE_CCRC(...)

#define DTRACE_AREA_CRC(...)

#endif

} // namespace vvenc

//! \}