ref: d723ad27743e76413bc77a34137e23c0851ee4ec
dir: /codec/encoder/core/inc/svc_motion_estimate.h/
/*!
* \copy
* Copyright (c) 2009-2013, Cisco Systems
* 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.
*
* 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 svc motion estimate.h
*
* \brief Interfaces introduced in svc mb motion estimation
*
* \date 08/11/2009 Created
*
*************************************************************************************
*/
#ifndef SVC_MOTION_ESTIMATE_
#define SVC_MOTION_ESTIMATE_
#include "typedefs.h"
#include "encoder_context.h"
#include "wels_func_ptr_def.h"
namespace WelsSVCEnc {
#define MV_RANGE (64)
#define ITERATIVE_TIMES (16)
#define BASE_MV_MB_NMB ((2*(MV_RANGE+ITERATIVE_TIMES)/MB_WIDTH_LUMA)-1)
union SadPredISatdUnit {
uint32_t uiSadPred;
uint32_t uiSatd; //reuse the sad_pred as a temp satd pData
};
typedef struct TagWelsME {
/* input */
uint16_t* pMvdCost;
union SadPredISatdUnit uSadPredISatd; //reuse the sad_pred as a temp pData
uint32_t uiSadCost; //used by ME and RC //max SAD should be max_delta*size+lambda*mvdsize = 255*256+91*33*2 = 65280 + 6006 = 71286 > (2^16)-1 = 65535
uint32_t uiSatdCost; /* satd + lm * nbits */
uint8_t uiPixel; /* PIXEL_WxH */
uint8_t uiReserved;
uint8_t* pEncMb;
uint8_t* pRefMb;
SMVUnitXY sMvp;
SMVUnitXY sMvBase;
/* output */
SMVUnitXY sMv;
} SWelsME;
#define COST_MVD(table, mx, my) (table[mx] + table[my])
/*!
* \brief BL mb motion estimate search
*
* \param enc Wels encoder context
* \param m Wels me information
*
* \return NONE
*/
void WelsMotionEstimateSearch (SWelsFuncPtrList* pFuncList, void* pLplayer, void* pLpme, void* pLpslice);
/*!
* \brief BL mb motion estimate initial point testing
*
* \param enc Wels encoder context
* \param m Wels me information
* \param mv_range search range in motion estimate
* \param point the best match point in motion estimation
*
* \return NONE
*/
/*!
* \brief EL mb motion estimate initial point testing
*
* \param pix_func SSampleDealingFunc
* \param m Wels me information
* \param mv_range search range in motion estimate
* \param point the best match point in motion estimation
*
* \return NONE
*/
bool WelsMotionEstimateInitialPoint (SWelsFuncPtrList* pFuncList, SWelsME* pMe, SSlice* pSlice,
const int32_t kiStrideEnc, const int32_t kiStrideRef);
/*!
* \brief mb iterative motion estimate search
*
* \param enc Wels encoder context
* \param m Wels me information
* \param point the best match point in motion estimation
*
* \return NONE
*/
void WelsMotionEstimateIterativeSearch (SWelsFuncPtrList* pFuncList, SWelsME* pMe, const int32_t kiStrideEnc,
const int32_t kiStrideRef, uint8_t* pRef);
bool WelsMeSadCostSelect (int32_t* pSadCost, const uint16_t* kpMvdCost, int32_t* pBestCost, const int32_t kiDx,
const int32_t kiDy, int32_t* pIx, int32_t* pIy);
void CalculateSatdCost( PSampleSadSatdCostFunc pSatd, void * vpMe, const int32_t kiEncStride, const int32_t kiRefStride );
void NotCalculateSatdCost( PSampleSadSatdCostFunc pSatd, void * vpMe, const int32_t kiEncStride, const int32_t kiRefStride );
inline void SetMvWithinMvRange( const int32_t kiMbWidth, const int32_t kiMbHeight, const int32_t kiMbX, const int32_t kiMbY,
const int32_t kiMaxMvRange,
SMVUnitXY* pMvMin, SMVUnitXY* pMvMax)
{
pMvMin->iMvX = WELS_MAX(-1*((kiMbX + 1)<<4) + INTPEL_NEEDED_MARGIN, -1*kiMaxMvRange);
pMvMin->iMvY = WELS_MAX(-1*((kiMbY + 1)<<4) + INTPEL_NEEDED_MARGIN, -1*kiMaxMvRange);
pMvMax->iMvX = WELS_MIN( ((kiMbWidth - kiMbX)<<4) - INTPEL_NEEDED_MARGIN, kiMaxMvRange);
pMvMax->iMvY = WELS_MIN( ((kiMbHeight - kiMbY)<<4) - INTPEL_NEEDED_MARGIN, kiMaxMvRange);
}
}
#endif