10d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/****************************************************************************** 20d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 30d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Copyright (C) 2012 Ittiam Systems Pvt Ltd, Bangalore 40d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 50d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Licensed under the Apache License, Version 2.0 (the "License"); 60d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* you may not use this file except in compliance with the License. 70d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* You may obtain a copy of the License at: 80d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 90d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* http://www.apache.org/licenses/LICENSE-2.0 100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Unless required by applicable law or agreed to in writing, software 120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* distributed under the License is distributed on an "AS IS" BASIS, 130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* See the License for the specific language governing permissions and 150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* limitations under the License. 160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************/ 180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/** 190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @file 210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* ihevc_weighted_pred.c 220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @brief 240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Contains function definitions for weighted prediction used in inter 250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* prediction 260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @author 280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Srinivas T 290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @par List of Functions: 310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* - ihevc_weighted_pred_uni() 320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* - ihevc_weighted_pred_bi() 330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* - ihevc_weighted_pred_bi_default() 340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* - ihevc_weighted_pred_chroma_uni() 350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* - ihevc_weighted_pred_chroma_bi() 360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* - ihevc_weighted_pred_chroma_bi_default() 370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @remarks 390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* None 400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar*/ 430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/*****************************************************************************/ 440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/* File Includes */ 450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/*****************************************************************************/ 460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_typedefs.h" 470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_defs.h" 480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_macros.h" 490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_platform_macros.h" 500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_func_selector.h" 510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_inter_pred.h" 530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/** 550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @brief 580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Does uni-weighted prediction on the array pointed by pi2_src and stores 590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* it at the location pointed by pi2_dst 600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @par Description: 620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* dst = ( (src + lvl_shift) * wgt0 + (1 << (shift - 1)) ) >> shift + 630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* offset 640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] pi2_src 660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to the source 670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[out] pu1_dst 690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to the destination 700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] src_strd 720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Source stride 730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] dst_strd 750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Destination stride 760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wgt0 780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* weight to be multiplied to the source 790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] off0 810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* offset to be added after rounding and 820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] shifting 840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] shift 870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* (14 Bit depth) + log2_weight_denominator 880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] lvl_shift 900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* added before shift and offset 910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] ht 930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* height of the source 940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wd 960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* width of the source 970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @returns 990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @remarks 1010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* None 1020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 1040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar*/ 1050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarvoid ihevc_weighted_pred_uni(WORD16 *pi2_src, 1070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_dst, 1080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd, 1090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 dst_strd, 1100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wgt0, 1110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 off0, 1120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 shift, 1130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 lvl_shift, 1140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 ht, 1150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wd) 1160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar{ 1170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 row, col; 1180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 i4_tmp; 1190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(row = 0; row < ht; row++) 1210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 1220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(col = 0; col < wd; col++) 1230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 1240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp = (pi2_src[col] + lvl_shift) * wgt0; 1250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += 1 << (shift - 1); 1260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp = (i4_tmp >> shift) + off0; 1270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[col] = CLIP_U8(i4_tmp); 1290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 1300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src += src_strd; 1320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst += dst_strd; 1330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 1340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar} 1350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//WEIGHTED_PRED_UNI 1360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/** 1380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 1390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @brief 1410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Does chroma uni-weighted prediction on array pointed by pi2_src and stores 1420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* it at the location pointed by pi2_dst 1430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @par Description: 1450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* dst = ( (src + lvl_shift) * wgt0 + (1 << (shift - 1)) ) >> shift + 1460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* offset 1470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] pi2_src 1490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to the source 1500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[out] pu1_dst 1520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to the destination 1530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] src_strd 1550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Source stride 1560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] dst_strd 1580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Destination stride 1590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wgt0 1610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* weight to be multiplied to the source 1620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] off0 1640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* offset to be added after rounding and 1650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] shifting 1670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] shift 1700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* (14 Bit depth) + log2_weight_denominator 1710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] lvl_shift 1730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* added before shift and offset 1740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] ht 1760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* height of the source 1770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wd 1790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* width of the source (each colour component) 1800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @returns 1820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @remarks 1840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* None 1850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 1860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 1870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar*/ 1880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarvoid ihevc_weighted_pred_chroma_uni(WORD16 *pi2_src, 1900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_dst, 1910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd, 1920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 dst_strd, 1930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wgt0_cb, 1940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wgt0_cr, 1950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 off0_cb, 1960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 off0_cr, 1970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 shift, 1980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 lvl_shift, 1990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 ht, 2000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wd) 2010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar{ 2020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 row, col; 2030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 i4_tmp; 2040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(row = 0; row < ht; row++) 2060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(col = 0; col < 2 * wd; col += 2) 2080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp = (pi2_src[col] + lvl_shift) * wgt0_cb; 2100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += 1 << (shift - 1); 2110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp = (i4_tmp >> shift) + off0_cb; 2120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[col] = CLIP_U8(i4_tmp); 2140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp = (pi2_src[col + 1] + lvl_shift) * wgt0_cr; 2160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += 1 << (shift - 1); 2170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp = (i4_tmp >> shift) + off0_cr; 2180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[col + 1] = CLIP_U8(i4_tmp); 2200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 2210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src += src_strd; 2230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst += dst_strd; 2240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 2250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar} 2260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//WEIGHTED_PRED_CHROMA_UNI 2270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/** 2290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 2300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @brief 2320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Does bi-weighted prediction on the arrays pointed by pi2_src1 and 2330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* pi2_src2 and stores it at location pointed by pi2_dst 2340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @par Description: 2360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* dst = ( (src1 + lvl_shift1)*wgt0 + (src2 + lvl_shift2)*wgt1 + (off0 + 2370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* off1 + 1) << (shift - 1) ) >> shift 2380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] pi2_src1 2400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to source 1 2410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] pi2_src2 2430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to source 2 2440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[out] pu1_dst 2460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to destination 2470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] src_strd1 2490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Source stride 1 2500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] src_strd2 2520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Source stride 2 2530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] dst_strd 2550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Destination stride 2560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wgt0 2580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* weight to be multiplied to source 1 2590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] off0 2610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* offset 0 2620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wgt1 2640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* weight to be multiplied to source 2 2650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] off1 2670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* offset 1 2680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] shift 2700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* (14 Bit depth) + log2_weight_denominator 2710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] lvl_shift1 2730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* added before shift and offset 2740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] lvl_shift2 2760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* added before shift and offset 2770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] ht 2790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* height of the source 2800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wd 2820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* width of the source 2830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @returns 2850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @remarks 2870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* None 2880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 2890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 2900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar*/ 2910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarvoid ihevc_weighted_pred_bi(WORD16 *pi2_src1, 2930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD16 *pi2_src2, 2940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_dst, 2950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd1, 2960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd2, 2970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 dst_strd, 2980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wgt0, 2990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 off0, 3000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wgt1, 3010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 off1, 3020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 shift, 3030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 lvl_shift1, 3040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 lvl_shift2, 3050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 ht, 3060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wd) 3070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar{ 3080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 row, col; 3090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 i4_tmp; 3100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(row = 0; row < ht; row++) 3120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 3130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(col = 0; col < wd; col++) 3140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 3150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp = (pi2_src1[col] + lvl_shift1) * wgt0; 3160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += (pi2_src2[col] + lvl_shift2) * wgt1; 3170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += (off0 + off1 + 1) << (shift - 1); 3180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[col] = CLIP_U8(i4_tmp >> shift); 3200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 3210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src1 += src_strd1; 3230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src2 += src_strd2; 3240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst += dst_strd; 3250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 3260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar} 3270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//WEIGHTED_PRED_BI 3280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/** 3300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 3310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @brief 3330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Does chroma bi-weighted prediction on the arrays pointed by pi2_src1 and 3340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* pi2_src2 and stores it at location pointed by pi2_dst 3350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @par Description: 3370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* dst = ( (src1 + lvl_shift1)*wgt0 + (src2 + lvl_shift2)*wgt1 + (off0 + 3380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* off1 + 1) << (shift - 1) ) >> shift 3390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] pi2_src1 3410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to source 1 3420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] pi2_src2 3440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to source 2 3450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[out] pu1_dst 3470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to destination 3480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] src_strd1 3500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Source stride 1 3510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] src_strd2 3530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Source stride 2 3540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] dst_strd 3560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Destination stride 3570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wgt0 3590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* weight to be multiplied to source 1 3600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] off0 3620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* offset 0 3630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wgt1 3650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* weight to be multiplied to source 2 3660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] off1 3680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* offset 1 3690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] shift 3710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* (14 Bit depth) + log2_weight_denominator 3720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] lvl_shift1 3740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* added before shift and offset 3750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] lvl_shift2 3770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* added before shift and offset 3780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] ht 3800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* height of the source 3810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wd 3830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* width of the source (each colour component) 3840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @returns 3860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @remarks 3880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* None 3890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 3900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 3910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar*/ 3920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 3930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarvoid ihevc_weighted_pred_chroma_bi(WORD16 *pi2_src1, 3940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD16 *pi2_src2, 3950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_dst, 3960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd1, 3970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd2, 3980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 dst_strd, 3990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wgt0_cb, 4000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wgt0_cr, 4010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 off0_cb, 4020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 off0_cr, 4030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wgt1_cb, 4040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wgt1_cr, 4050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 off1_cb, 4060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 off1_cr, 4070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 shift, 4080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 lvl_shift1, 4090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 lvl_shift2, 4100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 ht, 4110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wd) 4120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar{ 4130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 row, col; 4140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 i4_tmp; 4150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(row = 0; row < ht; row++) 4170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 4180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(col = 0; col < 2 * wd; col += 2) 4190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 4200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp = (pi2_src1[col] + lvl_shift1) * wgt0_cb; 4210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += (pi2_src2[col] + lvl_shift2) * wgt1_cb; 4220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += (off0_cb + off1_cb + 1) << (shift - 1); 4230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[col] = CLIP_U8(i4_tmp >> shift); 4250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp = (pi2_src1[col + 1] + lvl_shift1) * wgt0_cr; 4270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += (pi2_src2[col + 1] + lvl_shift2) * wgt1_cr; 4280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += (off0_cr + off1_cr + 1) << (shift - 1); 4290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[col + 1] = CLIP_U8(i4_tmp >> shift); 4310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 4320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src1 += src_strd1; 4340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src2 += src_strd2; 4350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst += dst_strd; 4360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 4370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar} 4380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//WEIGHTED_PRED_CHROMA_BI 4390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/** 4410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 4420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @brief 4440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Does default bi-weighted prediction on the arrays pointed by pi2_src1 and 4450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* pi2_src2 and stores it at location pointed by pi2_dst 4460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @par Description: 4480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* dst = ( (src1 + lvl_shift1) + (src2 + lvl_shift2) + 1 << (shift - 1) ) 4490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* >> shift where shift = 15 - BitDepth 4500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] pi2_src1 4520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to source 1 4530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] pi2_src2 4550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to source 2 4560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[out] pu1_dst 4580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to destination 4590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] src_strd1 4610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Source stride 1 4620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] src_strd2 4640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Source stride 2 4650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] dst_strd 4670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Destination stride 4680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] lvl_shift1 4700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* added before shift and offset 4710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] lvl_shift2 4730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* added before shift and offset 4740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] ht 4760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* height of the source 4770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wd 4790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* width of the source 4800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @returns 4820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @remarks 4840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* None 4850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 4860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 4870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar*/ 4880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 4890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarvoid ihevc_weighted_pred_bi_default(WORD16 *pi2_src1, 4900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD16 *pi2_src2, 4910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_dst, 4920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd1, 4930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd2, 4940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 dst_strd, 4950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 lvl_shift1, 4960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 lvl_shift2, 4970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 ht, 4980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wd) 4990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar{ 5000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 row, col; 5010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 i4_tmp; 5020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 shift; 5030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar shift = SHIFT_14_MINUS_BIT_DEPTH + 1; 5050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(row = 0; row < ht; row++) 5060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 5070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(col = 0; col < wd; col++) 5080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 5090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp = pi2_src1[col] + lvl_shift1; 5100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += pi2_src2[col] + lvl_shift2; 5110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += 1 << (shift - 1); 5120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[col] = CLIP_U8(i4_tmp >> shift); 5140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 5150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src1 += src_strd1; 5170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src2 += src_strd2; 5180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst += dst_strd; 5190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 5200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar} 5210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//WEIGHTED_PRED_BI_DEFAULT 5220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/** 5240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 5250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @brief 5270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Does chroma default bi-weighted prediction on arrays pointed by pi2_src1 and 5280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* pi2_src2 and stores it at location pointed by pi2_dst 5290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @par Description: 5310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* dst = ( (src1 + lvl_shift1) + (src2 + lvl_shift2) + 1 << (shift - 1) ) 5320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* >> shift where shift = 15 - BitDepth 5330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] pi2_src1 5350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to source 1 5360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] pi2_src2 5380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to source 2 5390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[out] pu1_dst 5410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Pointer to destination 5420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] src_strd1 5440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Source stride 1 5450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] src_strd2 5470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Source stride 2 5480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] dst_strd 5500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* Destination stride 5510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] lvl_shift1 5530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* added before shift and offset 5540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] lvl_shift2 5560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* added before shift and offset 5570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] ht 5590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* height of the source 5600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @param[in] wd 5620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* width of the source (each colour component) 5630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @returns 5650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* @remarks 5670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* None 5680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar* 5690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar******************************************************************************* 5700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar*/ 5710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarvoid ihevc_weighted_pred_chroma_bi_default(WORD16 *pi2_src1, 5730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD16 *pi2_src2, 5740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_dst, 5750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd1, 5760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd2, 5770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 dst_strd, 5780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 lvl_shift1, 5790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 lvl_shift2, 5800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 ht, 5810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 wd) 5820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar{ 5830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 row, col; 5840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 i4_tmp; 5850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 shift; 5860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar shift = SHIFT_14_MINUS_BIT_DEPTH + 1; 5880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(row = 0; row < ht; row++) 5890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 5900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(col = 0; col < 2 * wd; col++) 5910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 5920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp = pi2_src1[col] + lvl_shift1; 5930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += pi2_src2[col] + lvl_shift2; 5940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar i4_tmp += 1 << (shift - 1); 5950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[col] = CLIP_U8(i4_tmp >> shift); 5970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 5980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 5990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src1 += src_strd1; 6000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src2 += src_strd2; 6010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst += dst_strd; 6020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 6030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar} 6040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar//WEIGHTED_PRED_CHROMA_BI_DEFAULT 605