/* 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) 2010-2012, 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
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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 * 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.
 */

/** \file     CommonDef.h
    \brief    Defines constants, macros and tool parameters
*/

#ifndef __COMMONDEF__
#define __COMMONDEF__

#include <algorithm>

#if _MSC_VER > 1000
// disable "signed and unsigned mismatch"
#pragma warning( disable : 4018 )
// disable bool coercion "performance warning"
#pragma warning( disable : 4800 )
#endif // _MSC_VER > 1000
#include "TypeDef.h"

#include <stdio.h>
//! \ingroup TLibCommon
//! \{

// ====================================================================================================================
// Version information
// ====================================================================================================================

#define HM_VERSION        "6.1"
#define NV_VERSION        "6.2"                  ///< Current software version

// ====================================================================================================================
// Platform information
// ====================================================================================================================

#ifdef __GNUC__
#define NVM_COMPILEDBY  "[GCC %d.%d.%d]", __GNUC__, __GNUC_MINOR__, __GNUC_PATCHLEVEL__
#ifdef __IA64__
#define NVM_ONARCH    "[on 64-bit] "
#else
#define NVM_ONARCH    "[on 32-bit] "
#endif
#endif

#ifdef __INTEL_COMPILER
#define NVM_COMPILEDBY  "[ICC %d]", __INTEL_COMPILER
#elif  _MSC_VER
#define NVM_COMPILEDBY  "[VS %d]", _MSC_VER
#endif

#ifndef NVM_COMPILEDBY
#define NVM_COMPILEDBY "[Unk-CXX]"
#endif

#ifdef _WIN32
#define NVM_ONOS        "[Windows]"
#elif  __linux
#define NVM_ONOS        "[Linux]"
#elif  __CYGWIN__
#define NVM_ONOS        "[Cygwin]"
#elif __APPLE__
#define NVM_ONOS        "[Mac OS X]"
#else
#define NVM_ONOS "[Unk-OS]"
#endif

#define NVM_BITS          "[%d bit] ", (sizeof(void*) == 8 ? 64 : 32) ///< used for checking 64-bit O/S

#ifndef NULL
#define NULL              0
#endif

// ====================================================================================================================
// Common constants
// ====================================================================================================================

#define _SUMMARY_OUT_               0           ///< print-out PSNR results of all slices to summary.txt
#define _SUMMARY_PIC_               0           ///< print-out PSNR results for each slice type to summary.txt

#define MAX_GOP                     64          ///< max. value of hierarchical GOP size

#define MAX_NUM_REF                 4           ///< max. value of multiple reference frames
#define MAX_NUM_REF_LC              8           ///< max. value of combined reference frames

#define MAX_UINT                    0xFFFFFFFFU ///< max. value of unsigned 32-bit integer
#define MAX_INT                     2147483647  ///< max. value of signed 32-bit integer
#define MIN_INT                     (-2147483647-1) // < min. value of signed 32-bit integer
#define MAX_DOUBLE                  1.7e+308    ///< max. value of double-type value

#define MIN_QP                      0
#define MAX_QP                      51

#define NOT_VALID                   -1

// ====================================================================================================================
// 3D constants
// ====================================================================================================================
#define MAX_VIEW_NUM                10

#if ( H3D_IVMP || H3D_IVRP )
#define DEPTH_MAP_GENERATION        1
#define PDM_REMOVE_DEPENDENCE       1      //bug-fix for DMDV JCT2-A0095
#else
#define DEPTH_MAP_GENERATION        0
#endif

//>>>>> generation and usage of virtual prediction depth maps >>>>>
#define PDM_ONE_DEPTH_PER_PU              1         // use only a single depth for a prediction unit (in update)
#define PDM_NO_INTER_UPDATE               1         // no update for inter (but not inter-view) predicted blocks
#define PDM_MERGE_POS                     0         // position of pdm in merge list (0..4)

#if H3D_IVMP&!H3D_NBDV
#define PDM_AMVP_POS                      0         // position of pdm in amvp list  (0..3)
#else
#define PDM_AMVP_POS                      2         // position of pdm in amvp list  (0..3)
#endif
#define PDM_OUTPUT_PRED_DEPTH_MAP         0         // output prediction depth map (for debugging)

#define PDM_INTERNAL_CALC_BIT_DEPTH       31        // bit depth for internal calculations (32 - 1 for signed values)
#define PDM_BITDEPTH_VIRT_DEPTH           15        // bit depth for virtual depth storage (16 - 1 for signed values)
#define PDM_LOG2_MAX_ABS_NORMAL_DISPARITY 8         // maximum absolute normal disparity = 256 (for setting accuracy)
#define PDM_VIRT_DEPTH_PRECISION          4         // must be greater than or equal to 2 (since MVs are given in quarter-pel units)

#define PDM_INTER_CALC_SHIFT              ( PDM_INTERNAL_CALC_BIT_DEPTH - PDM_BITDEPTH_VIRT_DEPTH )         // avoids overflow
#define PDM_LOG4_SCALE_DENOMINATOR        ( PDM_LOG2_MAX_ABS_NORMAL_DISPARITY + PDM_VIRT_DEPTH_PRECISION )  // accuracy of scaling factor
#define PDM_OFFSET_SHIFT                  ( PDM_LOG2_MAX_ABS_NORMAL_DISPARITY )                             // accuracy of offset

#define PDM_MAX_ABS_VIRT_DEPTH            (  ( 1 << PDM_BITDEPTH_VIRT_DEPTH ) - 1 )
#define PDM_UNDEFINED_DEPTH               ( -( 1 << PDM_BITDEPTH_VIRT_DEPTH )     )

#define PDM_USE_FOR_IVIEW                 1
#define PDM_USE_FOR_INTER                 2
#define PDM_USE_FOR_MERGE                 4

#define PDM_SUBSAMPLING_EXP               2         // subsampling factor is 2^PDM_SUBSAMPLING_EXP
#define PDM_SUB_SAMP_EXP_X(Pdm)           ((Pdm)==1?PDM_SUBSAMPLING_EXP:0)
#define PDM_SUB_SAMP_EXP_Y(Pdm)           ((Pdm)==1?PDM_SUBSAMPLING_EXP:0)
//<<<<< generation and usage of virtual prediction depth maps <<<<<

#define OUTPUT_RESIDUAL_PICTURES          0         // output residual pictures (for debugging)

#define STD_CAM_PARAMETERS_PRECISION 5        ///< quarter luma sample accuarcy for derived disparities (as default)

#define LOG2_DISP_PREC_LUT           2          ///< log2 of disparity precision used in integer disparity LUTs

// ====================================================================================================================
// VPS constants
// ====================================================================================================================
#if QC_MVHEVC_B0046
#define MAX_LAYER_NUM                     MAX_VIEW_NUM
#endif
#if VIDYO_VPS_INTEGRATION
#define MAX_LAYER_NUM                     MAX_VIEW_NUM
#define VPS_EXTENSION_TYPE_MULTI_VIEW     0
#endif

// ====================================================================================================================
// Macro functions
// ====================================================================================================================
extern UInt g_uiIBDI_MAX;

/** clip x, such that 0 <= x <= #g_uiIBDI_MAX */
template <typename T> inline T Clip(T x) { return std::min<T>(T(g_uiIBDI_MAX), std::max<T>( T(0), x)); }

/** clip a, such that minVal <= a <= maxVal */
template <typename T> inline T Clip3( T minVal, T maxVal, T a) { return std::min<T> (std::max<T> (minVal, a) , maxVal); }  ///< general min/max clip

#define DATA_ALIGN                  1                                                                 ///< use 32-bit aligned malloc/free
#if     DATA_ALIGN && _WIN32 && ( _MSC_VER > 1300 )
#define xMalloc( type, len )        _aligned_malloc( sizeof(type)*(len), 32 )
#define xFree( ptr )                _aligned_free  ( ptr )
#else
#define xMalloc( type, len )        malloc   ( sizeof(type)*(len) )
#define xFree( ptr )                free     ( ptr )
#endif

#define FATAL_ERROR_0(MESSAGE, EXITCODE)                      \
{                                                             \
  printf(MESSAGE);                                            \
  exit(EXITCODE);                                             \
}

#define ROF( exp )            \
{                             \
  if( !( exp ) )              \
{                           \
  assert( 0 );              \
  return -1;                \
}                           \
}

#define ROT( exp )            \
{                             \
  if( ( exp ) )               \
{                           \
  assert( 0 );              \
  return -1;                \
}                           \
}

#define ROFS( exp )           \
{                             \
  if( !( exp ) )              \
{                           \
  return -1;                \
}                           \
}

#define ROTS( exp )           \
{                             \
  if( ( exp ) )               \
{                           \
  return -1;                \
}                           \
}

#define ROFR( exp, retVal )   \
{                             \
  if( !( exp ) )              \
{                           \
  assert( 0 );              \
  return retVal;            \
}                           \
}

#define ROTR( exp, retVal )   \
{                             \
  if( ( exp ) )               \
{                           \
  assert( 0 );              \
  return retVal;            \
}                           \
}

#define ROFRS( exp, retVal )  \
{                             \
  if( !( exp ) )              \
{                           \
  return retVal;            \
}                           \
}

#define ROTRS( exp, retVal )  \
{                             \
  if( ( exp ) )               \
{                           \
  return retVal;            \
}                           \
}

#define ROFV( exp )           \
{                             \
  if( !( exp ) )              \
{                           \
  assert( 0 );              \
  return;                   \
}                           \
}

#define ROTV( exp )           \
{                             \
  if( ( exp ) )               \
{                           \
  assert( 0 );              \
  return;                   \
}                           \
}

#define ROFVS( exp )          \
{                             \
  if( !( exp ) )              \
{                           \
  return;                   \
}                           \
}

#define ROTVS( exp )          \
{                             \
  if( ( exp ) )               \
{                           \
  return;                   \
}                           \
}

#define RNOK( exp )                   \
{                                     \
  const ErrVal nMSysRetVal = ( exp ); \
  if( 0 != nMSysRetVal )              \
{                                   \
  assert( 0 );                      \
  return nMSysRetVal;               \
}                                   \
}

#define RNOKR( exp, retVal )        \
{                                   \
  if( 0 != ( exp ) )                \
{                                 \
  assert( 0 );                    \
  return retVal;                  \
}                                 \
}

#define RNOKS( exp )                  \
{                                     \
  const ErrVal nMSysRetVal = ( exp ); \
  if( 0 != nMSysRetVal )              \
{                                   \
  return nMSysRetVal;               \
}                                   \
}

#define RNOKRS( exp, retVal )       \
{                                   \
  if( 0 != ( exp ) )                \
{                                 \
  return retVal;                  \
}                                 \
}

#define RNOKV( exp )                \
{                                   \
  if( 0 != ( exp ) )                \
{                                 \
  assert( 0 );                    \
  return;                         \
}                                 \
}

#define RNOKVS( exp )               \
{                                   \
  if( 0 != ( exp ) )                \
{                                 \
  return;                         \
}                                 \
}

#define ANOK( exp )                 \
{                                   \
  if( 0 != ( exp ) )                \
{                                 \
  assert( 0 );                    \
}                                 \
}

#define AOF( exp )                  \
{                                   \
  if( !( exp ) )                    \
{                                 \
  assert( 0 );                    \
}                                 \
}

#define AOT( exp )            \
{                             \
  if( ( exp ) )               \
{                           \
  assert( 0 );              \
}                           \
}

template <typename T>
__inline T gSign(const T& t)
{
  if( t == 0 )
    return T(0);
  else
    return (t < 0) ? T(-1) : T(1);
}

#define Max(x, y)                   ((x)>(y)?(x):(y))                                                 ///< max of (x, y)
#define Min(x, y)                   ((x)<(y)?(x):(y))                                                 ///< min of (x, y)
#define Median(a,b,c)               ((a)>(b)?(a)>(c)?(b)>(c)?(b):(c):(a):(b)>(c)?(a)>(c)?(a):(c):(b)) ///< 3-point median
#define Clip(x)                     ( Min(g_uiIBDI_MAX, Max( 0, (x)) ) )                              ///< clip with bit-depth range
#define Clip3( MinVal, MaxVal, a)   ( ((a)<(MinVal)) ? (MinVal) : (((a)>(MaxVal)) ? (MaxVal) :(a)) )  ///< general min/max clip
#define RemoveBitIncrement(x)       ( (x + ( (1 << g_uiBitIncrement) >> 1 )) >> g_uiBitIncrement )     ///< Remove Bit increment

#if SAIT_VSO_EST_A0033
#define ROUND(a)  (((a) < 0)? (int)((a) - 0.5) : (int)((a) + 0.5))
#endif

// ====================================================================================================================
// Coding tool configuration
// ====================================================================================================================

// AMVP: advanced motion vector prediction
#define AMVP_MAX_NUM_CANDS          2           ///< max number of final candidates
#if H3D_IVMP
#define AMVP_MAX_NUM_CANDS_MEM      4           ///< max number of candidates
#else
#define AMVP_MAX_NUM_CANDS_MEM      3           ///< max number of candidates
#endif
// MERGE
#define MRG_MAX_NUM_CANDS           5
#if H3D_IVMP
#define MRG_MAX_NUM_CANDS_MEM       (MRG_MAX_NUM_CANDS+1) // one extra for inter-view motion prediction
#endif

// Reference memory management
#define DYN_REF_FREE                0           ///< dynamic free of reference memories

// Explicit temporal layer QP offset
#define MAX_TLAYER                  8           ///< max number of temporal layer
#define HB_LAMBDA_FOR_LDC           1           ///< use of B-style lambda for non-key pictures in low-delay mode

// Fast estimation of generalized B in low-delay mode
#define GPB_SIMPLE                  1           ///< Simple GPB mode
#if     GPB_SIMPLE
#define GPB_SIMPLE_UNI              1           ///< Simple mode for uni-direction
#endif

// Fast ME using smoother MV assumption
#define FASTME_SMOOTHER_MV          1           ///< reduce ME time using faster option

// Adaptive search range depending on POC difference
#define ADAPT_SR_SCALE              1           ///< division factor for adaptive search range

#define CLIP_TO_709_RANGE           0

// IBDI range restriction for skipping clip
#define IBDI_NOCLIP_RANGE           0           ///< restrict max. value after IBDI to skip clip

// Early-skip threshold (encoder)
#define EARLY_SKIP_THRES            1.50        ///< if RD < thres*avg[BestSkipRD]

#define MAX_NUM_REF_PICS 16


enum NalUnitType
{
  NAL_UNIT_UNSPECIFIED_0 = 0,
  NAL_UNIT_CODED_SLICE,
#if QC_REM_IDV_B0046
  NAL_UNIT_RESERVED,
#else
  NAL_UNIT_CODED_SLICE_IDV,
#endif
  NAL_UNIT_CODED_SLICE_TLA,
  NAL_UNIT_CODED_SLICE_CRA,
  NAL_UNIT_CODED_SLICE_IDR,
  NAL_UNIT_SEI,
  NAL_UNIT_SPS,
  NAL_UNIT_PPS,
  NAL_UNIT_ACCESS_UNIT_DELIMITER,
  NAL_UNIT_RESERVED_10,
  NAL_UNIT_RESERVED_11,
  NAL_UNIT_FILLER_DATA,
  NAL_UNIT_RESERVED_13,
  NAL_UNIT_APS,
  NAL_UNIT_RESERVED_15,
  NAL_UNIT_RESERVED_16,
  NAL_UNIT_RESERVED_17,
  NAL_UNIT_RESERVED_18,
  NAL_UNIT_RESERVED_19,
  NAL_UNIT_RESERVED_20,
  NAL_UNIT_RESERVED_21,
  NAL_UNIT_RESERVED_22,
  NAL_UNIT_RESERVED_23,
  NAL_UNIT_UNSPECIFIED_24,
#if VIDYO_VPS_INTEGRATION|QC_MVHEVC_B0046
  NAL_UNIT_VPS,
#else
  NAL_UNIT_UNSPECIFIED_25,
#endif
  NAL_UNIT_UNSPECIFIED_26,
  NAL_UNIT_UNSPECIFIED_27,
  NAL_UNIT_UNSPECIFIED_28,
  NAL_UNIT_UNSPECIFIED_29,
  NAL_UNIT_UNSPECIFIED_30,
  NAL_UNIT_UNSPECIFIED_31,
  NAL_UNIT_INVALID,
};

//PICYUV
#define PICYUV_PAD         16

//RENDERER
#define REN_LUMA_MARGIN   ( g_uiMaxCUWidth + PICYUV_PAD )
#define REN_VDWEIGHT_PREC  8
#define REN_IS_FILLED     ( 1 << REN_VDWEIGHT_PREC )
#define REN_USED_PEL       g_uiIBDI_MAX
#define REN_UNUSED_PEL     0
#define REN_IS_HOLE        0


typedef Int64 PicOrderCnt;

//! \}

#endif // end of #ifndef  __COMMONDEF__