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/* 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) 2010-2022, 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
* 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.
*/
/**
\file SEIFilmGrainSynthesizer.h
\brief SMPTE RDD5 based film grain synthesis functionality from SEI messages
*/
#ifndef __SEIFILMGRAINSYNTHESIZER__
#define __SEIFILMGRAINSYNTHESIZER__
#include "SEI.h"
#include "TComPicYuv.h"
#if JVET_X0048_X0103_FILM_GRAIN
//! \ingroup SEIFilmGrainSynthesizer
//! \{
// ====================================================================================================================
// Class definition
// ====================================================================================================================
static const int MIN_LOG2SCALE_VALUE = 2;
static const int MAX_LOG2SCALE_VALUE = 7;
static const int FILM_GRAIN_MODEL_ID_VALUE = 0;
static const int BLENDING_MODE_VALUE = 0;
static const int MIN_CUT_OFF_FREQUENCY = 2;
static const int MAX_CUT_OFF_FREQUENCY = 14;
static const int DEFAULT_HORZ_CUT_OFF_FREQUENCY = 8;
static const int NUM_CUT_OFF_FREQ = 13;
static const int SCALE_DOWN_422 = 181; /* in Q-format of 8 : 1/sqrt(2) */
static const int Q_FORMAT_SCALING = 8;
static const int GRAIN_SCALE = 6;
static const int MIN_CHROMA_FORMAT_IDC = 0;
static const int MAX_CHROMA_FORMAT_IDC = 3;
static const int MIN_BIT_DEPTH = 8;
static const int MAX_BIT_DEPTH = 16;
static const int FG_BLK_8_shift = 6;
static const int FG_BLK_16_shift = 8;
static const int FG_BLK_32_shift = 10;
static const int NUM_8x8_BLKS_16x16 = 4;
static const int NUM_16x16_BLKS_32x32 = 4;
static const int FG_BLK_AREA_8x8 = 64;
static const int FG_BLK_AREA_16x16 = 256;
static const int INTENSITY_INTERVAL_MATCH_FAIL = -1;
static const int COLOUR_OFFSET_LUMA = 0;
static const int COLOUR_OFFSET_CR = 85;
static const int COLOUR_OFFSET_CB = 170;
static const int FG_MIN_WIDTH = 128;
static const int FG_MAX_WIDTH = 7680;
static const int FG_MIN_HEIGHT = 128;
static const int FG_MAX_HEIGHT = 4320;
#define CLIP3(min, max, x) (((x) > (max)) ? (max) :(((x) < (min))? (min):(x)))
#define MIN(x,y) (((x) > (y)) ? (y) : (x))
#define MAX(x,y) (((x) > (y)) ? (x) : (y))
#define MSB16(x) ((x&0xFFFF0000)>>16)
#define LSB16(x) (x&0x0000FFFF)
#define BIT0(x) (x&0x1)
#define POS_30 (1<<30)
#define POS_2 (1<<2)
/* Error start codes for various classes of errors */
#define FGS_FILE_IO_ERROR 0x0010
#define FGS_PARAM_ERROR 0x0020
/* Error codes for various errors in SMPTE-RDD5 standalone grain synthesizer */
typedef enum
{
/* No error */
FGS_SUCCESS = 0,
/* Invalid input width */
FGS_INVALID_WIDTH = FGS_FILE_IO_ERROR + 0x01,
/* Invalid input height */
FGS_INVALID_HEIGHT = FGS_FILE_IO_ERROR + 0x02,
/* Invalid Chroma format idc */
FGS_INVALID_CHROMA_FORMAT = FGS_FILE_IO_ERROR + 0x03,
/* Invalid bit depth */
FGS_INVALID_BIT_DEPTH = FGS_FILE_IO_ERROR + 0x04,
/* Invalid Film grain characteristic cancel flag */
FGS_INVALID_FGC_CANCEL_FLAG = FGS_PARAM_ERROR + 0x01,
/* Invalid film grain model id */
FGS_INVALID_GRAIN_MODEL_ID = FGS_PARAM_ERROR + 0x02,
/* Invalid separate color description present flag */
FGS_INVALID_SEP_COL_DES_FLAG = FGS_PARAM_ERROR + 0x03,
/* Invalid blending mode */
FGS_INVALID_BLEND_MODE = FGS_PARAM_ERROR + 0x04,
/* Invalid log_2_scale_factor value */
FGS_INVALID_LOG2_SCALE_FACTOR = FGS_PARAM_ERROR + 0x05,
/* Invalid component model present flag */
FGS_INVALID_COMP_MODEL_PRESENT_FLAG = FGS_PARAM_ERROR + 0x06,
/* Invalid number of model values */
FGS_INVALID_NUM_MODEL_VALUES = FGS_PARAM_ERROR + 0x07,
/* Invalid bound values, overlapping boundaries */
FGS_INVALID_INTENSITY_BOUNDARY_VALUES = FGS_PARAM_ERROR + 0x08,
/* Invalid standard deviation */
FGS_INVALID_STANDARD_DEVIATION = FGS_PARAM_ERROR + 0x09,
/* Invalid cut off frequencies */
FGS_INVALID_CUT_OFF_FREQUENCIES = FGS_PARAM_ERROR + 0x0A,
/* Invalid number of cut off frequency pairs */
FGS_INVALID_NUM_CUT_OFF_FREQ_PAIRS = FGS_PARAM_ERROR + 0x0B,
/* Invalid film grain characteristics repetition period */
FGS_INVALID_FGC_REPETETION_PERIOD = FGS_PARAM_ERROR + 0x0C,
/* Failure error code */
FGS_FAIL = 0xFF
}FGS_ERROR_T;
/* FGC Error Codes END */
typedef struct GrainSynthesisStruct_t
{
int8_t dataBase[NUM_CUT_OFF_FREQ][NUM_CUT_OFF_FREQ][FG_DATA_BASE_SIZE][FG_DATA_BASE_SIZE];
int16_t intensityInterval[MAX_NUM_COMPONENT][FG_MAX_NUM_INTENSITIES];
}GrainSynthesisStruct;
typedef struct fgsProcessArgs
{
uint8_t numComp;
uint32_t * fgsOffsets[MAX_NUM_COMPONENT];
Pel * decComp[MAX_NUM_COMPONENT];
uint32_t widthComp[MAX_NUM_COMPONENT];
uint32_t heightComp[MAX_NUM_COMPONENT];
uint32_t strideComp[MAX_NUM_COMPONENT];
SEIFilmGrainCharacteristics *pFgcParameters;
GrainSynthesisStruct * pGrainSynt;
uint8_t bitDepth;
uint8_t blkSize;
} fgsProcessArgs;
class SEIFilmGrainSynthesizer
{
private:
uint32_t m_width;
uint32_t m_height;
ChromaFormat m_chromaFormat;
uint8_t m_bitDepth;
uint32_t m_idrPicId;
fgsProcessArgs m_fgsArgs;
GrainSynthesisStruct *m_grainSynt;
uint8_t m_fgsBlkSize;
public:
uint32_t m_poc;
int32_t m_errorCode;
SEIFilmGrainCharacteristics *m_fgcParameters;
public:
SEIFilmGrainSynthesizer();
virtual ~SEIFilmGrainSynthesizer();
void create(uint32_t width, uint32_t height, ChromaFormat fmt, uint8_t bitDepth, uint32_t idrPicId);
void destroy ();
void fgsInit ();
void grainSynthesizeAndBlend(TComPicYuv* pGrainBuf, Bool isIdrPic);
uint8_t grainValidateParams();
private:
void deriveFGSBlkSize ();
void dataBaseGen ();
static uint32_t prng (uint32_t x_r);
static uint32_t fgsProcess (fgsProcessArgs &inArgs);
static void deblockGrainStripe (Pel *grainStripe, uint32_t widthComp, uint32_t heightComp, uint32_t strideComp,
uint32_t blkSize);
static void blendStripe (Pel *decSampleOffsetY, Pel *grainStripe, uint32_t widthComp, uint32_t strideSrc,
uint32_t strideGrain, uint32_t blockHeight, uint8_t bitDepth);
static void blendStripe_32x32 (Pel *decSampleOffsetY, Pel *grainStripe, uint32_t widthComp, uint32_t strideSrc,
uint32_t strideGrain, uint32_t blockHeight, uint8_t bitDepth);
static Pel blockAverage_8x8 (Pel *decSampleBlk8, uint32_t widthComp, uint16_t *pNumSamples, uint8_t ySize,
uint8_t xSize, uint8_t bitDepth);
static uint32_t blockAverage_16x16 (Pel *decSampleBlk8, uint32_t widthComp, uint16_t *pNumSamples, uint8_t ySize,
uint8_t xSize, uint8_t bitDepth);
static uint32_t blockAverage_32x32 (Pel *decSampleBlk32, uint32_t strideComp, uint8_t bitDepth);
static void simulateGrainBlk8x8 (Pel *grainStripe, uint32_t grainStripeOffsetBlk8, GrainSynthesisStruct *pGrainSynt,
uint32_t width, uint8_t log2ScaleFactor, int16_t scaleFactor, uint32_t kOffset,
uint32_t lOffset, uint8_t h, uint8_t v, uint32_t xSize);
static void simulateGrainBlk16x16(Pel *grainStripe, uint32_t grainStripeOffsetBlk8, GrainSynthesisStruct *grain_synt,
uint32_t width, uint8_t log2ScaleFactor, int16_t scaleFactor, uint32_t kOffset,
uint32_t lOffset, uint8_t h, uint8_t v, uint32_t xSize);
static void simulateGrainBlk32x32(Pel *grainStripe, uint32_t grainStripeOffsetBlk32, GrainSynthesisStruct *grain_synt,
uint32_t width, uint8_t log2ScaleFactor, int16_t scaleFactor, uint32_t kOffset,
uint32_t lOffset, uint8_t h, uint8_t v);
static uint32_t fgsSimulationBlending_8x8 (fgsProcessArgs *inArgs);
static uint32_t fgsSimulationBlending_16x16 (fgsProcessArgs *inArgs);
static uint32_t fgsSimulationBlending_32x32 (fgsProcessArgs *inArgs);
};// END CLASS DEFINITION SEIFilmGrainSynthesizer
//! \}
#endif
#endif // __SEIFILMGRAINSYNTHESIZER__
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