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_SAD_4x.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 for 4x8 and 4x4 blocks 280c1bc742181ded4930842b46e9507372f0b1b963James Dong * 290c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 300c1bc742181ded4930842b46e9507372f0b1b963James Dong 310c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxtypes.h" 320c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armOMX.h" 330c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxVC.h" 340c1bc742181ded4930842b46e9507372f0b1b963James Dong 350c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armVC.h" 360c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armCOMM.h" 370c1bc742181ded4930842b46e9507372f0b1b963James Dong 380c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 390c1bc742181ded4930842b46e9507372f0b1b963James Dong * Function: omxVCM4P10_SAD_4x (6.3.5.4.1) 400c1bc742181ded4930842b46e9507372f0b1b963James Dong * 410c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 420c1bc742181ded4930842b46e9507372f0b1b963James Dong * This function calculates the SAD for 4x8 and 4x4 blocks. 430c1bc742181ded4930842b46e9507372f0b1b963James Dong * 440c1bc742181ded4930842b46e9507372f0b1b963James Dong * Input Arguments: 450c1bc742181ded4930842b46e9507372f0b1b963James Dong * 460c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcOrg -Pointer to the original block; must be aligned on a 4-byte 470c1bc742181ded4930842b46e9507372f0b1b963James Dong * boundary. 480c1bc742181ded4930842b46e9507372f0b1b963James Dong * iStepOrg -Step of the original block buffer; must be a multiple of 4. 490c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcRef -Pointer to the reference block 500c1bc742181ded4930842b46e9507372f0b1b963James Dong * iStepRef -Step of the reference block buffer 510c1bc742181ded4930842b46e9507372f0b1b963James Dong * iHeight -Height of the block; must be equal to either 4 or 8. 520c1bc742181ded4930842b46e9507372f0b1b963James Dong * 530c1bc742181ded4930842b46e9507372f0b1b963James Dong * Output Arguments: 540c1bc742181ded4930842b46e9507372f0b1b963James Dong * 550c1bc742181ded4930842b46e9507372f0b1b963James Dong * pDstSAD -Pointer of result SAD 560c1bc742181ded4930842b46e9507372f0b1b963James Dong * 570c1bc742181ded4930842b46e9507372f0b1b963James Dong * Return Value: 580c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_NoErr, if the function runs without error. 590c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_BadArgErr - bad arguments: if one of the following cases occurs: 600c1bc742181ded4930842b46e9507372f0b1b963James Dong * - One of more of the following pointers is NULL: 610c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcOrg, pSrcRef, or pDstSAD 620c1bc742181ded4930842b46e9507372f0b1b963James Dong * - iHeight is not equal to either 4 or 8. 630c1bc742181ded4930842b46e9507372f0b1b963James Dong * - iStepOrg is not a multiple of 4 640c1bc742181ded4930842b46e9507372f0b1b963James Dong * - Any alignment restrictions are violated 650c1bc742181ded4930842b46e9507372f0b1b963James Dong * 660c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 670c1bc742181ded4930842b46e9507372f0b1b963James DongOMXResult omxVCM4P10_SAD_4x( 680c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pSrcOrg, 690c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iStepOrg, 700c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pSrcRef, 710c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iStepRef, 720c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32* pDstSAD, 730c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iHeight 740c1bc742181ded4930842b46e9507372f0b1b963James Dong) 750c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 760c1bc742181ded4930842b46e9507372f0b1b963James Dong /* check for argument error */ 770c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcOrg == NULL, OMX_Sts_BadArgErr) 780c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcRef == NULL, OMX_Sts_BadArgErr) 790c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pDstSAD == NULL, OMX_Sts_BadArgErr) 800c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((iHeight != 8) && (iHeight != 4), OMX_Sts_BadArgErr) 810c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(armNot4ByteAligned(pSrcOrg), OMX_Sts_BadArgErr) 820c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((iStepOrg == 0) || (iStepOrg & 3), OMX_Sts_BadArgErr) 830c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((iStepRef == 0) || (iStepRef & 3), OMX_Sts_BadArgErr) 840c1bc742181ded4930842b46e9507372f0b1b963James Dong 850c1bc742181ded4930842b46e9507372f0b1b963James Dong return armVCCOMM_SAD 860c1bc742181ded4930842b46e9507372f0b1b963James Dong (pSrcOrg, iStepOrg, pSrcRef, iStepRef, pDstSAD, iHeight, 4); 870c1bc742181ded4930842b46e9507372f0b1b963James Dong} 880c1bc742181ded4930842b46e9507372f0b1b963James Dong 890c1bc742181ded4930842b46e9507372f0b1b963James Dong/***************************************************************************** 900c1bc742181ded4930842b46e9507372f0b1b963James Dong * END OF FILE 910c1bc742181ded4930842b46e9507372f0b1b963James Dong *****************************************************************************/ 920c1bc742181ded4930842b46e9507372f0b1b963James Dong 93