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: omxVCM4P10_SADQuar_16x.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 * Description: 270c1bc742181ded4930842b46e9507372f0b1b963James Dong * This function will calculate SAD of pSrc with average of two Ref blocks 280c1bc742181ded4930842b46e9507372f0b1b963James Dong * of 16x16 or 16x8 290c1bc742181ded4930842b46e9507372f0b1b963James Dong * 300c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 310c1bc742181ded4930842b46e9507372f0b1b963James Dong 320c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxtypes.h" 330c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armOMX.h" 340c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxVC.h" 350c1bc742181ded4930842b46e9507372f0b1b963James Dong 360c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armVC.h" 370c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armCOMM.h" 380c1bc742181ded4930842b46e9507372f0b1b963James Dong 390c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 400c1bc742181ded4930842b46e9507372f0b1b963James Dong * Function: omxVCM4P10_SADQuar_16x (6.3.5.4.4) 410c1bc742181ded4930842b46e9507372f0b1b963James Dong * 420c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 430c1bc742181ded4930842b46e9507372f0b1b963James Dong * This function calculates the SAD between one block (pSrc) and the average 440c1bc742181ded4930842b46e9507372f0b1b963James Dong * of the other two (pSrcRef0 and pSrcRef1) for 16x16 or 16x8 blocks. 450c1bc742181ded4930842b46e9507372f0b1b963James Dong * Rounding is applied according to the convention (a+b+1)>>1. 460c1bc742181ded4930842b46e9507372f0b1b963James Dong * 470c1bc742181ded4930842b46e9507372f0b1b963James Dong * Input Arguments: 480c1bc742181ded4930842b46e9507372f0b1b963James Dong * 490c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrc - Pointer to the original block; must be aligned on a 16-byte 500c1bc742181ded4930842b46e9507372f0b1b963James Dong * boundary. 510c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcRef0 - Pointer to reference block 0 520c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcRef1 - Pointer to reference block 1 530c1bc742181ded4930842b46e9507372f0b1b963James Dong * iSrcStep - Step of the original block buffer; must be a multiple of 16 540c1bc742181ded4930842b46e9507372f0b1b963James Dong * iRefStep0 - Step of reference block 0 550c1bc742181ded4930842b46e9507372f0b1b963James Dong * iRefStep1 - Step of reference block 1 560c1bc742181ded4930842b46e9507372f0b1b963James Dong * iHeight - Height of the block; must be equal to either 8 or 16 570c1bc742181ded4930842b46e9507372f0b1b963James Dong * 580c1bc742181ded4930842b46e9507372f0b1b963James Dong * Output Arguments: 590c1bc742181ded4930842b46e9507372f0b1b963James Dong * 600c1bc742181ded4930842b46e9507372f0b1b963James Dong * pDstSAD -Pointer of result SAD 610c1bc742181ded4930842b46e9507372f0b1b963James Dong * 620c1bc742181ded4930842b46e9507372f0b1b963James Dong * Return Value: 630c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_NoErr, if the function runs without error. 640c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_BadArgErr - bad arguments: if one of the following cases occurs: 650c1bc742181ded4930842b46e9507372f0b1b963James Dong * - iHeight is not equal to either 8 or 16. 660c1bc742181ded4930842b46e9507372f0b1b963James Dong * - One of more of the following pointers is NULL: pSrc, pSrcRef0, 670c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcRef1, pDstSAD. 680c1bc742181ded4930842b46e9507372f0b1b963James Dong * - iSrcStep is not a multiple of 16 690c1bc742181ded4930842b46e9507372f0b1b963James Dong * - Any alignment restrictions are violated 700c1bc742181ded4930842b46e9507372f0b1b963James Dong * 710c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 720c1bc742181ded4930842b46e9507372f0b1b963James DongOMXResult omxVCM4P10_SADQuar_16x( 730c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pSrc, 740c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pSrcRef0, 750c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pSrcRef1, 760c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iSrcStep, 770c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iRefStep0, 780c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iRefStep1, 790c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32* pDstSAD, 800c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iHeight 810c1bc742181ded4930842b46e9507372f0b1b963James Dong) 820c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 830c1bc742181ded4930842b46e9507372f0b1b963James Dong /* check for argument error */ 840c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrc == NULL, OMX_Sts_BadArgErr) 850c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcRef0 == NULL, OMX_Sts_BadArgErr) 860c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcRef1 == NULL, OMX_Sts_BadArgErr) 870c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pDstSAD == NULL, OMX_Sts_BadArgErr) 880c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((iHeight != 16) && (iHeight != 8), OMX_Sts_BadArgErr) 890c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(armNot16ByteAligned(pSrc), OMX_Sts_BadArgErr) 900c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((iSrcStep == 0) || (iSrcStep & 15), OMX_Sts_BadArgErr) 910c1bc742181ded4930842b46e9507372f0b1b963James Dong 920c1bc742181ded4930842b46e9507372f0b1b963James Dong 930c1bc742181ded4930842b46e9507372f0b1b963James Dong return armVCM4P10_SADQuar 940c1bc742181ded4930842b46e9507372f0b1b963James Dong (pSrc, pSrcRef0, pSrcRef1, iSrcStep, 950c1bc742181ded4930842b46e9507372f0b1b963James Dong iRefStep0, iRefStep1, pDstSAD, iHeight, 16); 960c1bc742181ded4930842b46e9507372f0b1b963James Dong} 970c1bc742181ded4930842b46e9507372f0b1b963James Dong 980c1bc742181ded4930842b46e9507372f0b1b963James Dong/***************************************************************************** 990c1bc742181ded4930842b46e9507372f0b1b963James Dong * END OF FILE 1000c1bc742181ded4930842b46e9507372f0b1b963James Dong *****************************************************************************/ 1010c1bc742181ded4930842b46e9507372f0b1b963James Dong 102