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_chroma_recon.c 220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @brief 240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Functions definitions reconstruction of chroma interleaved data. 250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @author 270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 100470 280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @par List of Functions: 300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * - ihevc_chroma_recon_4x4() 310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * - ihevc_chroma_recon_8x8() 320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * - ihevc_chroma_recon_16x16() 330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @remarks 350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * None 360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ******************************************************************************* 380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar */ 390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include <stdio.h> 410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include <string.h> 420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_typedefs.h" 430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_macros.h" 440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_platform_macros.h" 450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_defs.h" 460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_trans_tables.h" 470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_chroma_recon.h" 480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_func_selector.h" 490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar#include "ihevc_trans_macros.h" 500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/* All the functions work one component(U or V) of interleaved data depending upon pointers passed to it */ 520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/* Data visualization */ 530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/* U V U V U V U V */ 540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/* U V U V U V U V */ 550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/* U V U V U V U V */ 560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/* U V U V U V U V */ 570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/* If the pointer points to first byte of above stream (U) , functions will operate on U component */ 580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/* If the pointer points to second byte of above stream (V) , functions will operate on V component */ 590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/** 610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ******************************************************************************* 620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @brief 640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * This function performs reconstruction for 4x4 input block 650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @par Description: 670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Performs reconstruction of 4x4 input block by adding adding prediction 680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * data to input and clipping it to 8 bit 690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] pi2_src 710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Input 4x4 coefficients 720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] pu1_pred 740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Prediction 4x4 block 750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[out] pu1_dst 770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Output 4x4 block 780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] src_strd 800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Input stride 810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] pred_strd 830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Prediction stride 840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] dst_strd 860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Output Stride 870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] shift 890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Output shift 900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] zero_cols 920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Zero columns in pi2_tmp 930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @returns Void 950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @remarks 970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * None 980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ******************************************************************************* 1000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar */ 1010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarvoid ihevc_chroma_recon_4x4(WORD16 *pi2_src, 1040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_pred, 1050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_dst, 1060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd, 1070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 pred_strd, 1080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 dst_strd, 1090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 zero_cols) 1100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar{ 1110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 i, j; 1120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 trans_size; 1130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar trans_size = TRANS_SIZE_4; 1150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar /* Reconstruction */ 1170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(i = 0; i < trans_size; i++) 1190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 1200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar /* Checking for Zero Cols */ 1210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar if((zero_cols & 1) == 1) 1220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 1230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(j = 0; j < trans_size; j++) 1240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 1250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[j * dst_strd] = pu1_pred[j * pred_strd]; 1260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 1270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 1280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar else 1290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 1300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(j = 0; j < trans_size; j++) 1310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 1320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[j * dst_strd] = 1330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CLIP_U8(pi2_src[j * src_strd] + pu1_pred[j * pred_strd]); 1340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 1350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 1360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src++; 1370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst += 2; 1380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_pred += 2; 1390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar zero_cols = zero_cols >> 1; 1400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 1410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar} 1420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/** 1440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ******************************************************************************* 1450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @brief 1470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * This function performs reconstruction for 8x8 input block 1480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @par Description: 1500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Performs reconstruction of 8x8 input block by adding adding prediction 1510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * data to input and clipping it to 8 bit 1520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] pi2_src 1540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Input 8x8 coefficients 1550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] pu1_pred 1570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Prediction 8x8 block 1580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[out] pu1_dst 1600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Output 8x8 block 1610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] src_strd 1630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Input stride 1640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] pred_strd 1660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Prediction stride 1670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] dst_strd 1690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Output Stride 1700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] shift 1720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Output shift 1730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] zero_cols 1750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Zero columns in pi2_tmp 1760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @returns Void 1780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @remarks 1800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * None 1810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 1820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ******************************************************************************* 1830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar */ 1840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarvoid ihevc_chroma_recon_8x8(WORD16 *pi2_src, 1870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_pred, 1880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_dst, 1890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd, 1900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 pred_strd, 1910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 dst_strd, 1920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 zero_cols) 1930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar{ 1940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 i, j; 1950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 trans_size; 1960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar trans_size = TRANS_SIZE_8; 1980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 1990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar /* Reconstruction */ 2000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(i = 0; i < trans_size; i++) 2020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar /* Checking for Zero Cols */ 2040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar if((zero_cols & 1) == 1) 2050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(j = 0; j < trans_size; j++) 2070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[j * dst_strd] = pu1_pred[j * pred_strd]; 2090d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 2100d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 2110d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar else 2120d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2130d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(j = 0; j < trans_size; j++) 2140d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2150d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[j * dst_strd] = 2160d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CLIP_U8(pi2_src[j * src_strd] + pu1_pred[j * pred_strd]); 2170d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 2180d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 2190d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src++; 2200d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst += 2; 2210d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_pred += 2; 2220d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar zero_cols = zero_cols >> 1; 2230d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 2240d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar} 2250d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2260d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar/** 2270d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ******************************************************************************* 2280d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2290d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @brief 2300d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * This function performs reconstruction for 16x16 input block 2310d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2320d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @par Description: 2330d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Performs reconstruction of 16x16 input block by adding adding prediction 2340d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * data to input and clipping it to 8 bit 2350d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2360d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] pi2_src 2370d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Input 16x16 coefficients 2380d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2390d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] pu1_pred 2400d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Prediction 16x16 block 2410d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2420d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[out] pu1_dst 2430d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Output 16x16 block 2440d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2450d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] src_strd 2460d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Input stride 2470d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2480d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] pred_strd 2490d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Prediction stride 2500d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2510d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] dst_strd 2520d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Output Stride 2530d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2540d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] shift 2550d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Output shift 2560d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2570d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @param[in] zero_cols 2580d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * Zero columns in pi2_tmp 2590d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2600d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @returns Void 2610d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2620d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * @remarks 2630d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * None 2640d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar * 2650d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar ******************************************************************************* 2660d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar */ 2670d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2680d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2690d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakarvoid ihevc_chroma_recon_16x16(WORD16 *pi2_src, 2700d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_pred, 2710d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar UWORD8 *pu1_dst, 2720d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 src_strd, 2730d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 pred_strd, 2740d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 dst_strd, 2750d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 zero_cols) 2760d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar{ 2770d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 i, j; 2780d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar WORD32 trans_size; 2790d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2800d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar trans_size = TRANS_SIZE_16; 2810d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2820d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar /* Reconstruction */ 2830d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 2840d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(i = 0; i < trans_size; i++) 2850d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2860d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar /* Checking for Zero Cols */ 2870d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar if((zero_cols & 1) == 1) 2880d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2890d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(j = 0; j < trans_size; j++) 2900d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2910d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[j * dst_strd] = pu1_pred[j * pred_strd]; 2920d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 2930d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 2940d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar else 2950d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2960d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar for(j = 0; j < trans_size; j++) 2970d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar { 2980d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst[j * dst_strd] = 2990d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar CLIP_U8(pi2_src[j * src_strd] + pu1_pred[j * pred_strd]); 3000d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 3010d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 3020d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pi2_src++; 3030d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_dst += 2; 3040d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar pu1_pred += 2; 3050d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar zero_cols = zero_cols >> 1; 3060d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar } 3070d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar} 3080d8951cef4b1a1dbf4ff5ba3e8796cf1d4503098Harish Mahendrakar 309