178e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar/* 278e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * Copyright (C) 2007-2008 ARM Limited 378e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * 478e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * Licensed under the Apache License, Version 2.0 (the "License"); 578e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * you may not use this file except in compliance with the License. 678e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * You may obtain a copy of the License at 778e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * 878e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * http://www.apache.org/licenses/LICENSE-2.0 978e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * 1078e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * Unless required by applicable law or agreed to in writing, software 1178e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * distributed under the License is distributed on an "AS IS" BASIS, 1278e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1378e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * See the License for the specific language governing permissions and 1478e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * limitations under the License. 1578e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar * 1678e52bfac041d71ce53b5b13c2abf78af742b09dLajos Molnar */ 170c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 180c1bc742181ded4930842b46e9507372f0b1b963James Dong * 190c1bc742181ded4930842b46e9507372f0b1b963James Dong * File Name: omxVCM4P2_BlockMatch_Half_8x8.c 200c1bc742181ded4930842b46e9507372f0b1b963James Dong * OpenMAX DL: v1.0.2 210c1bc742181ded4930842b46e9507372f0b1b963James Dong * Revision: 9641 220c1bc742181ded4930842b46e9507372f0b1b963James Dong * Date: Thursday, February 7, 2008 230c1bc742181ded4930842b46e9507372f0b1b963James Dong * 240c1bc742181ded4930842b46e9507372f0b1b963James Dong * 250c1bc742181ded4930842b46e9507372f0b1b963James Dong * 260c1bc742181ded4930842b46e9507372f0b1b963James Dong * 270c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 280c1bc742181ded4930842b46e9507372f0b1b963James Dong * Contains modules for Block matching, a full search algorithm 290c1bc742181ded4930842b46e9507372f0b1b963James Dong * is implemented 300c1bc742181ded4930842b46e9507372f0b1b963James Dong * 310c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 320c1bc742181ded4930842b46e9507372f0b1b963James Dong 330c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxtypes.h" 340c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armOMX.h" 350c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxVC.h" 360c1bc742181ded4930842b46e9507372f0b1b963James Dong 370c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armVC.h" 380c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armCOMM.h" 390c1bc742181ded4930842b46e9507372f0b1b963James Dong 400c1bc742181ded4930842b46e9507372f0b1b963James Dong 410c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 420c1bc742181ded4930842b46e9507372f0b1b963James Dong * Function: omxVCM4P2_BlockMatch_Half_8x8 (6.2.4.2.4) 430c1bc742181ded4930842b46e9507372f0b1b963James Dong * 440c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 450c1bc742181ded4930842b46e9507372f0b1b963James Dong * Performs an 8x8 block match with half-pixel resolution. Returns the 460c1bc742181ded4930842b46e9507372f0b1b963James Dong * estimated motion vector and associated minimum SAD. This function 470c1bc742181ded4930842b46e9507372f0b1b963James Dong * estimates the half-pixel motion vector by interpolating the integer 480c1bc742181ded4930842b46e9507372f0b1b963James Dong * resolution motion vector referenced by the input parameter pSrcDstMV, i.e., 490c1bc742181ded4930842b46e9507372f0b1b963James Dong * the initial integer MV is generated externally. The input parameters 500c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcRefBuf and pSearchPointRefPos should be shifted by the winning MV of 510c1bc742181ded4930842b46e9507372f0b1b963James Dong * 8x8 integer search prior to calling BlockMatch_Half_8x8. The function 520c1bc742181ded4930842b46e9507372f0b1b963James Dong * BlockMatch_Integer_8x8 may be used for integer motion estimation. 530c1bc742181ded4930842b46e9507372f0b1b963James Dong * 540c1bc742181ded4930842b46e9507372f0b1b963James Dong * Input Arguments: 550c1bc742181ded4930842b46e9507372f0b1b963James Dong * 560c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcRefBuf - pointer to the reference Y plane; points to the reference 570c1bc742181ded4930842b46e9507372f0b1b963James Dong * block that corresponds to the location of the current 8x8 block 580c1bc742181ded4930842b46e9507372f0b1b963James Dong * in the current plane. 590c1bc742181ded4930842b46e9507372f0b1b963James Dong * refWidth - width of the reference plane 600c1bc742181ded4930842b46e9507372f0b1b963James Dong * pRefRect - reference plane valid region rectangle 610c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcCurrBuf - pointer to the current block in the current macroblock 620c1bc742181ded4930842b46e9507372f0b1b963James Dong * buffer extracted from the original plane (linear array, 128 630c1bc742181ded4930842b46e9507372f0b1b963James Dong * entries); must be aligned on a 8-byte boundary. The number of 640c1bc742181ded4930842b46e9507372f0b1b963James Dong * bytes between lines (step) is 16. 650c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSearchPointRefPos - position of the starting point for half pixel 660c1bc742181ded4930842b46e9507372f0b1b963James Dong * search (specified in terms of integer pixel units) in the 670c1bc742181ded4930842b46e9507372f0b1b963James Dong * reference plane. 680c1bc742181ded4930842b46e9507372f0b1b963James Dong * rndVal - rounding control parameter: 0 - disabled; 1 - enabled. 690c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcDstMV - pointer to the initial MV estimate; typically generated 700c1bc742181ded4930842b46e9507372f0b1b963James Dong * during a prior 8x8 integer search, specified in terms of 710c1bc742181ded4930842b46e9507372f0b1b963James Dong * half-pixel units. 720c1bc742181ded4930842b46e9507372f0b1b963James Dong * 730c1bc742181ded4930842b46e9507372f0b1b963James Dong * Output Arguments: 740c1bc742181ded4930842b46e9507372f0b1b963James Dong * 750c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcDstMV - pointer to estimated MV 760c1bc742181ded4930842b46e9507372f0b1b963James Dong * pDstSAD - pointer to minimum SAD 770c1bc742181ded4930842b46e9507372f0b1b963James Dong * 780c1bc742181ded4930842b46e9507372f0b1b963James Dong * Return Value: 790c1bc742181ded4930842b46e9507372f0b1b963James Dong * 800c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_NoErr - no error 810c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_BadArgErr - bad arguments. Returned if one of the following 820c1bc742181ded4930842b46e9507372f0b1b963James Dong * conditions is true: 830c1bc742181ded4930842b46e9507372f0b1b963James Dong * - at least one of the following pointers is NULL: 840c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcRefBuf, pRefRect, pSrcCurrBuff, pSearchPointRefPos, pSrcDstMV 850c1bc742181ded4930842b46e9507372f0b1b963James Dong * - pSrcCurrBuf is not 8-byte aligned 860c1bc742181ded4930842b46e9507372f0b1b963James Dong * 870c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 880c1bc742181ded4930842b46e9507372f0b1b963James Dong 890c1bc742181ded4930842b46e9507372f0b1b963James DongOMXResult omxVCM4P2_BlockMatch_Half_8x8( 900c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8 *pSrcRefBuf, 910c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_INT refWidth, 920c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMXRect *pRefRect, 930c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8 *pSrcCurrBuf, 940c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMXVCM4P2Coordinate *pSearchPointRefPos, 950c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_INT rndVal, 960c1bc742181ded4930842b46e9507372f0b1b963James Dong OMXVCMotionVector *pSrcDstMV, 970c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_INT *pDstSAD 980c1bc742181ded4930842b46e9507372f0b1b963James Dong) 990c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 1000c1bc742181ded4930842b46e9507372f0b1b963James Dong /* For a blocksize of 8x8 */ 1010c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U8 BlockSize = 8; 1020c1bc742181ded4930842b46e9507372f0b1b963James Dong 1030c1bc742181ded4930842b46e9507372f0b1b963James Dong /* Argument error checks */ 1040c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcRefBuf == NULL, OMX_Sts_BadArgErr); 1050c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pRefRect == NULL, OMX_Sts_BadArgErr); 1060c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcCurrBuf == NULL, OMX_Sts_BadArgErr); 1070c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSearchPointRefPos == NULL, OMX_Sts_BadArgErr); 1080c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcDstMV == NULL, OMX_Sts_BadArgErr); 1090c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(!armIs8ByteAligned(pSrcCurrBuf), OMX_Sts_BadArgErr); 1100c1bc742181ded4930842b46e9507372f0b1b963James Dong 1110c1bc742181ded4930842b46e9507372f0b1b963James Dong return (armVCM4P2_BlockMatch_Half( 1120c1bc742181ded4930842b46e9507372f0b1b963James Dong pSrcRefBuf, 1130c1bc742181ded4930842b46e9507372f0b1b963James Dong refWidth, 1140c1bc742181ded4930842b46e9507372f0b1b963James Dong pRefRect, 1150c1bc742181ded4930842b46e9507372f0b1b963James Dong pSrcCurrBuf, 1160c1bc742181ded4930842b46e9507372f0b1b963James Dong pSearchPointRefPos, 1170c1bc742181ded4930842b46e9507372f0b1b963James Dong rndVal, 1180c1bc742181ded4930842b46e9507372f0b1b963James Dong pSrcDstMV, 1190c1bc742181ded4930842b46e9507372f0b1b963James Dong pDstSAD, 1200c1bc742181ded4930842b46e9507372f0b1b963James Dong BlockSize)); 1210c1bc742181ded4930842b46e9507372f0b1b963James Dong 1220c1bc742181ded4930842b46e9507372f0b1b963James Dong} 1230c1bc742181ded4930842b46e9507372f0b1b963James Dong 1240c1bc742181ded4930842b46e9507372f0b1b963James Dong/* End of file */ 125