/*! * \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    mv_pred.h * * \brief   Get MV predictor and update motion vector of mb cache * * \date    05/22/2009 Created * ************************************************************************************* */ #ifndef WELS_MV_PRED_H__#define WELS_MV_PRED_H__ #include "dec_frame.h"#include "decoder_context.h" #define RETURN_ERR_IF_NULL(pRefPic0) \if ( pRefPic0 == NULL) \  return GENERATE_ERROR_NO(ERR_LEVEL_MB_DATA, ERR_INFO_INVALID_REF_INDEX) /*!* \brief     update mv and ref_index cache for current MB, only for P_16x16 (SKIP inclusive)* \param* \param*/void UpdateP16x16MotionInfo (PDqLayer pCurDqLayer, int32_t listIdx, int8_t iRef, int16_t iMVs[2]); /*!* \brief     update ref_index cache for current MB, only for P_16x16 (SKIP inclusive)* \param* \param*/void UpdateP16x16RefIdx (PDqLayer pCurDqLayer, int32_t listIdx, int8_t iRef); /*!* \brief     update mv only cache for current MB, only for P_16x16 (SKIP inclusive)* \param* \param*/void UpdateP16x16MotionOnly (PDqLayer pCurDqLayer, int32_t listIdx, int16_t iMVs[2]); /*!* \brief   update mv and ref_index cache for current MB, only for P_16x8* \param* \param*/void UpdateP16x8MotionInfo (PDqLayer pCurDqLayer, int16_t iMotionVector[LIST_A][30][MV_A],                            int8_t iRefIndex[LIST_A][30],                            int32_t listIdx, int32_t iPartIdx, int8_t iRef, int16_t iMVs[2]);  /*! * \brief    update mv and ref_index cache for current MB, only for P_8x16 * \param * \param */void UpdateP8x16MotionInfo (PDqLayer pCurDqLayer, int16_t iMotionVector[LIST_A][30][MV_A],                            int8_t iRefIndex[LIST_A][30],                            int32_t listIdx, int32_t iPartIdx, int8_t iRef, int16_t iMVs[2]); /*! * \brief   get the motion predictor for skip mode * \param * \param   output iMvp[] */void PredPSkipMvFromNeighbor (PDqLayer pCurDqLayer, int16_t iMvp[2]); /*!* \brief   get the motion predictor and reference for B-slice direct mode version 2* \param* \param   output iMvp[] and ref*/int32_t  PredMvBDirectSpatial (PWelsDecoderContext pCtx, int16_t iMvp[LIST_A][2], int8_t ref[LIST_A], SubMbType *subMbType); /*!* \brief   get Colocated MB for both Spatial and Temporal Direct Mode* \param* \param   output MbType and SubMbType*/int32_t GetColocatedMb (PWelsDecoderContext pCtx, MbType *mbType, SubMbType *subMbType); /*!* \brief   get the motion predictor for B-slice temporal direct mode 16x16*/int32_t PredBDirectTemporal (PWelsDecoderContext pCtx, int16_t iMvp[LIST_A][2], int8_t ref[LIST_A],                             SubMbType *subMbType); /*!* \brief   get the motion params for B-slice spatial direct mode* \param* \param   output iMvp[]*/ /*! * \brief   get the motion predictor for 4*4 or 8*8 or 16*16 block * \param * \param   output iMvp[] */void PredMv (int16_t iMotionVector[LIST_A][30][MV_A], int8_t iRefIndex[LIST_A][30],             int32_t listIdx, int32_t iPartIdx, int32_t iPartWidth, int8_t iRef, int16_t iMVP[2]); /*! * \brief   get the motion predictor for inter16x8 MB * \param * \param   output mvp_x and mvp_y */void PredInter16x8Mv (int16_t iMotionVector[LIST_A][30][MV_A], int8_t iRefIndex[LIST_A][30],                      int32_t listIdx, int32_t iPartIdx, int8_t iRef, int16_t iMVP[2]); /*! * \brief   get the motion predictor for inter8x16 MB * \param * \param   output mvp_x and mvp_y */void PredInter8x16Mv (int16_t iMotionVector[LIST_A][30][MV_A], int8_t iRefIndex[LIST_A][30],                      int32_t listIdx, int32_t iPartIdx, int8_t iRef, int16_t iMVP[2]); /*!* \brief   Fill the spatial direct motion vectors for 8x8 direct MB* \param* \param   output motion vector cache and motion vector deviation cache*/void FillSpatialDirect8x8Mv (PDqLayer pCurDqLayer, const int16_t iIdx8, const int8_t iPartCount, const int8_t iPartW,                             const SubMbType subMbType, const bool bIsLongRef, int16_t pMvDirect[LIST_A][2], int8_t iRef[LIST_A],                             int16_t pMotionVector[LIST_A][30][MV_A], int16_t pMvdCache[LIST_A][30][MV_A]); /*!* \brief   Fill the temporal direct motion vectors for 8x8 direct MB* \param* \param   output motion vector cache and motion vector deviation cache*/void FillTemporalDirect8x8Mv (PDqLayer pCurDqLayer, const int16_t iIdx8, const int8_t iPartCount, const int8_t iPartW, const SubMbType subMbType, int8_t iRef[LIST_A], int16_t (*mvColoc)[2], int16_t pMotionVector[LIST_A][30][MV_A], int16_t pMvdCache[LIST_A][30][MV_A]); /*!* \brief   returns ref_index in List_0 from the colocated ref_index in LIST_0.* \param*  returns ref_index in List_0 of ref picture LIST_0*/int8_t MapColToList0 (PWelsDecoderContext pCtx, const int8_t colocRefIndexL0,                      const int32_t ref0Count); //ISO/IEC 14496-10:2009(E) (8-193) /*!* \brief     update ref_index cache for current MB, for 8x8* \param* \param*/void Update8x8RefIdx (PDqLayer pCurDqLayer, const int16_t iPartIdx, const int32_t listIdx, const int8_t iRef); static inline uint32_t* GetMbType (PDqLayer pCurDqLayer) {  if (pCurDqLayer->pDec != NULL) {    return pCurDqLayer->pDec->pMbType;  } else {    return pCurDqLayer->pMbType;  }} #endif//WELS_MV_PRED_H__