10c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 20c1bc742181ded4930842b46e9507372f0b1b963James Dong * 30c1bc742181ded4930842b46e9507372f0b1b963James Dong * File Name: armVCCOMM_SAD.c 40c1bc742181ded4930842b46e9507372f0b1b963James Dong * OpenMAX DL: v1.0.2 50c1bc742181ded4930842b46e9507372f0b1b963James Dong * Revision: 9641 60c1bc742181ded4930842b46e9507372f0b1b963James Dong * Date: Thursday, February 7, 2008 70c1bc742181ded4930842b46e9507372f0b1b963James Dong * 80c1bc742181ded4930842b46e9507372f0b1b963James Dong * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved. 90c1bc742181ded4930842b46e9507372f0b1b963James Dong * 100c1bc742181ded4930842b46e9507372f0b1b963James Dong * 110c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 120c1bc742181ded4930842b46e9507372f0b1b963James Dong * This function will calculate SAD for NxM blocks 130c1bc742181ded4930842b46e9507372f0b1b963James Dong * 140c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 150c1bc742181ded4930842b46e9507372f0b1b963James Dong 160c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxtypes.h" 170c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armOMX.h" 180c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxVC.h" 190c1bc742181ded4930842b46e9507372f0b1b963James Dong 200c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armCOMM.h" 210c1bc742181ded4930842b46e9507372f0b1b963James Dong 220c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 230c1bc742181ded4930842b46e9507372f0b1b963James Dong * Function: armVCCOMM_SAD 240c1bc742181ded4930842b46e9507372f0b1b963James Dong * 250c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 260c1bc742181ded4930842b46e9507372f0b1b963James Dong * This function calculate the SAD for NxM blocks. 270c1bc742181ded4930842b46e9507372f0b1b963James Dong * 280c1bc742181ded4930842b46e9507372f0b1b963James Dong * Remarks: 290c1bc742181ded4930842b46e9507372f0b1b963James Dong * 300c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] pSrcOrg Pointer to the original block 310c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] iStepOrg Step of the original block buffer 320c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] pSrcRef Pointer to the reference block 330c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] iStepRef Step of the reference block buffer 340c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] iHeight Height of the block 350c1bc742181ded4930842b46e9507372f0b1b963James Dong * [in] iWidth Width of the block 360c1bc742181ded4930842b46e9507372f0b1b963James Dong * [out] pDstSAD Pointer of result SAD 370c1bc742181ded4930842b46e9507372f0b1b963James Dong * 380c1bc742181ded4930842b46e9507372f0b1b963James Dong * Return Value: 390c1bc742181ded4930842b46e9507372f0b1b963James Dong * Standard OMXResult value. 400c1bc742181ded4930842b46e9507372f0b1b963James Dong * 410c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 420c1bc742181ded4930842b46e9507372f0b1b963James DongOMXResult armVCCOMM_SAD( 430c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pSrcOrg, 440c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iStepOrg, 450c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pSrcRef, 460c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iStepRef, 470c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32* pDstSAD, 480c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iHeight, 490c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iWidth 500c1bc742181ded4930842b46e9507372f0b1b963James Dong) 510c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 520c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_INT x, y; 530c1bc742181ded4930842b46e9507372f0b1b963James Dong 540c1bc742181ded4930842b46e9507372f0b1b963James Dong /* check for argument error */ 550c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcOrg == NULL, OMX_Sts_BadArgErr) 560c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcRef == NULL, OMX_Sts_BadArgErr) 570c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pDstSAD == NULL, OMX_Sts_BadArgErr) 580c1bc742181ded4930842b46e9507372f0b1b963James Dong 590c1bc742181ded4930842b46e9507372f0b1b963James Dong *pDstSAD = 0; 600c1bc742181ded4930842b46e9507372f0b1b963James Dong for (y = 0; y < iHeight; y++) 610c1bc742181ded4930842b46e9507372f0b1b963James Dong { 620c1bc742181ded4930842b46e9507372f0b1b963James Dong for (x = 0; x < iWidth; x++) 630c1bc742181ded4930842b46e9507372f0b1b963James Dong { 640c1bc742181ded4930842b46e9507372f0b1b963James Dong *pDstSAD += armAbs(pSrcOrg [(y * iStepOrg) + x] - 650c1bc742181ded4930842b46e9507372f0b1b963James Dong pSrcRef [(y * iStepRef) + x]); 660c1bc742181ded4930842b46e9507372f0b1b963James Dong } 670c1bc742181ded4930842b46e9507372f0b1b963James Dong } 680c1bc742181ded4930842b46e9507372f0b1b963James Dong 690c1bc742181ded4930842b46e9507372f0b1b963James Dong return OMX_Sts_NoErr; 700c1bc742181ded4930842b46e9507372f0b1b963James Dong} 710c1bc742181ded4930842b46e9507372f0b1b963James Dong 720c1bc742181ded4930842b46e9507372f0b1b963James Dong/***************************************************************************** 730c1bc742181ded4930842b46e9507372f0b1b963James Dong * END OF FILE 740c1bc742181ded4930842b46e9507372f0b1b963James Dong *****************************************************************************/ 750c1bc742181ded4930842b46e9507372f0b1b963James Dong 76