10c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 20c1bc742181ded4930842b46e9507372f0b1b963James Dong * 30c1bc742181ded4930842b46e9507372f0b1b963James Dong * File Name: omxVCM4P10_SAD_4x.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 4x8 and 4x4 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 "armVC.h" 210c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armCOMM.h" 220c1bc742181ded4930842b46e9507372f0b1b963James Dong 230c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 240c1bc742181ded4930842b46e9507372f0b1b963James Dong * Function: omxVCM4P10_SAD_4x (6.3.5.4.1) 250c1bc742181ded4930842b46e9507372f0b1b963James Dong * 260c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 270c1bc742181ded4930842b46e9507372f0b1b963James Dong * This function calculates the SAD for 4x8 and 4x4 blocks. 280c1bc742181ded4930842b46e9507372f0b1b963James Dong * 290c1bc742181ded4930842b46e9507372f0b1b963James Dong * Input Arguments: 300c1bc742181ded4930842b46e9507372f0b1b963James Dong * 310c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcOrg -Pointer to the original block; must be aligned on a 4-byte 320c1bc742181ded4930842b46e9507372f0b1b963James Dong * boundary. 330c1bc742181ded4930842b46e9507372f0b1b963James Dong * iStepOrg -Step of the original block buffer; must be a multiple of 4. 340c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcRef -Pointer to the reference block 350c1bc742181ded4930842b46e9507372f0b1b963James Dong * iStepRef -Step of the reference block buffer 360c1bc742181ded4930842b46e9507372f0b1b963James Dong * iHeight -Height of the block; must be equal to either 4 or 8. 370c1bc742181ded4930842b46e9507372f0b1b963James Dong * 380c1bc742181ded4930842b46e9507372f0b1b963James Dong * Output Arguments: 390c1bc742181ded4930842b46e9507372f0b1b963James Dong * 400c1bc742181ded4930842b46e9507372f0b1b963James Dong * pDstSAD -Pointer of result SAD 410c1bc742181ded4930842b46e9507372f0b1b963James Dong * 420c1bc742181ded4930842b46e9507372f0b1b963James Dong * Return Value: 430c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_NoErr, if the function runs without error. 440c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_BadArgErr - bad arguments: if one of the following cases occurs: 450c1bc742181ded4930842b46e9507372f0b1b963James Dong * - One of more of the following pointers is NULL: 460c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcOrg, pSrcRef, or pDstSAD 470c1bc742181ded4930842b46e9507372f0b1b963James Dong * - iHeight is not equal to either 4 or 8. 480c1bc742181ded4930842b46e9507372f0b1b963James Dong * - iStepOrg is not a multiple of 4 490c1bc742181ded4930842b46e9507372f0b1b963James Dong * - Any alignment restrictions are violated 500c1bc742181ded4930842b46e9507372f0b1b963James Dong * 510c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 520c1bc742181ded4930842b46e9507372f0b1b963James DongOMXResult omxVCM4P10_SAD_4x( 530c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pSrcOrg, 540c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iStepOrg, 550c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pSrcRef, 560c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iStepRef, 570c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32* pDstSAD, 580c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U32 iHeight 590c1bc742181ded4930842b46e9507372f0b1b963James Dong) 600c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 610c1bc742181ded4930842b46e9507372f0b1b963James Dong /* check for argument error */ 620c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcOrg == NULL, OMX_Sts_BadArgErr) 630c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcRef == NULL, OMX_Sts_BadArgErr) 640c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pDstSAD == NULL, OMX_Sts_BadArgErr) 650c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((iHeight != 8) && (iHeight != 4), OMX_Sts_BadArgErr) 660c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(armNot4ByteAligned(pSrcOrg), OMX_Sts_BadArgErr) 670c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((iStepOrg == 0) || (iStepOrg & 3), OMX_Sts_BadArgErr) 680c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((iStepRef == 0) || (iStepRef & 3), OMX_Sts_BadArgErr) 690c1bc742181ded4930842b46e9507372f0b1b963James Dong 700c1bc742181ded4930842b46e9507372f0b1b963James Dong return armVCCOMM_SAD 710c1bc742181ded4930842b46e9507372f0b1b963James Dong (pSrcOrg, iStepOrg, pSrcRef, iStepRef, pDstSAD, iHeight, 4); 720c1bc742181ded4930842b46e9507372f0b1b963James Dong} 730c1bc742181ded4930842b46e9507372f0b1b963James Dong 740c1bc742181ded4930842b46e9507372f0b1b963James Dong/***************************************************************************** 750c1bc742181ded4930842b46e9507372f0b1b963James Dong * END OF FILE 760c1bc742181ded4930842b46e9507372f0b1b963James Dong *****************************************************************************/ 770c1bc742181ded4930842b46e9507372f0b1b963James Dong 78