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: omxVCCOMM_Copy8x8.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 * MPEG4 8x8 Copy module 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 "armCOMM.h" 360c1bc742181ded4930842b46e9507372f0b1b963James Dong 370c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 380c1bc742181ded4930842b46e9507372f0b1b963James Dong * Function: omxVCCOMM_Copy8x8 (6.1.3.3.1) 390c1bc742181ded4930842b46e9507372f0b1b963James Dong * 400c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 410c1bc742181ded4930842b46e9507372f0b1b963James Dong * Copies the reference 8x8 block to the current block. 420c1bc742181ded4930842b46e9507372f0b1b963James Dong * 430c1bc742181ded4930842b46e9507372f0b1b963James Dong * Input Arguments: 440c1bc742181ded4930842b46e9507372f0b1b963James Dong * 450c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrc - pointer to the reference block in the source frame; must be 460c1bc742181ded4930842b46e9507372f0b1b963James Dong * aligned on an 8-byte boundary. 470c1bc742181ded4930842b46e9507372f0b1b963James Dong * step - distance between the starts of consecutive lines in the reference 480c1bc742181ded4930842b46e9507372f0b1b963James Dong * frame, in bytes; must be a multiple of 8 and must be larger than 490c1bc742181ded4930842b46e9507372f0b1b963James Dong * or equal to 8. 500c1bc742181ded4930842b46e9507372f0b1b963James Dong * 510c1bc742181ded4930842b46e9507372f0b1b963James Dong * Output Arguments: 520c1bc742181ded4930842b46e9507372f0b1b963James Dong * 530c1bc742181ded4930842b46e9507372f0b1b963James Dong * pDst - pointer to the destination block; must be aligned on an 8-byte 540c1bc742181ded4930842b46e9507372f0b1b963James Dong * boundary. 550c1bc742181ded4930842b46e9507372f0b1b963James Dong * 560c1bc742181ded4930842b46e9507372f0b1b963James Dong * Return Value: 570c1bc742181ded4930842b46e9507372f0b1b963James Dong * 580c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_NoErr - no error 590c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_BadArgErr - bad arguments; returned under any of the following 600c1bc742181ded4930842b46e9507372f0b1b963James Dong * conditions: 610c1bc742181ded4930842b46e9507372f0b1b963James Dong * - one or more of the following pointers is NULL: pSrc, pDst 620c1bc742181ded4930842b46e9507372f0b1b963James Dong * - one or more of the following pointers is not aligned on an 8-byte 630c1bc742181ded4930842b46e9507372f0b1b963James Dong * boundary: pSrc, pDst 640c1bc742181ded4930842b46e9507372f0b1b963James Dong * - step <8 or step is not a multiple of 8. 650c1bc742181ded4930842b46e9507372f0b1b963James Dong * 660c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 670c1bc742181ded4930842b46e9507372f0b1b963James Dong 680c1bc742181ded4930842b46e9507372f0b1b963James DongOMXResult omxVCCOMM_Copy8x8( 690c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8 *pSrc, 700c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U8 *pDst, 710c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_INT step) 720c1bc742181ded4930842b46e9507372f0b1b963James Dong { 730c1bc742181ded4930842b46e9507372f0b1b963James Dong /* Definitions and Initializations*/ 740c1bc742181ded4930842b46e9507372f0b1b963James Dong 750c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_INT count,index, x, y; 760c1bc742181ded4930842b46e9507372f0b1b963James Dong 770c1bc742181ded4930842b46e9507372f0b1b963James Dong /* Argument error checks */ 780c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrc == NULL, OMX_Sts_BadArgErr); 790c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pDst == NULL, OMX_Sts_BadArgErr); 800c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(!armIs8ByteAligned(pSrc), OMX_Sts_BadArgErr); 810c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(!armIs8ByteAligned(pDst), OMX_Sts_BadArgErr); 820c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(((step < 8) || (step % 8)), OMX_Sts_BadArgErr); 830c1bc742181ded4930842b46e9507372f0b1b963James Dong 840c1bc742181ded4930842b46e9507372f0b1b963James Dong 850c1bc742181ded4930842b46e9507372f0b1b963James Dong /* Copying the ref 8x8 blk to the curr blk */ 860c1bc742181ded4930842b46e9507372f0b1b963James Dong for (y = 0, count = 0, index = 0; y < 8; y++, count = count + step - 8) 870c1bc742181ded4930842b46e9507372f0b1b963James Dong { 880c1bc742181ded4930842b46e9507372f0b1b963James Dong for (x = 0; x < 8; x++, count++, index++) 890c1bc742181ded4930842b46e9507372f0b1b963James Dong { 900c1bc742181ded4930842b46e9507372f0b1b963James Dong pDst[index] = pSrc[count]; 910c1bc742181ded4930842b46e9507372f0b1b963James Dong } 920c1bc742181ded4930842b46e9507372f0b1b963James Dong } 930c1bc742181ded4930842b46e9507372f0b1b963James Dong return OMX_Sts_NoErr; 940c1bc742181ded4930842b46e9507372f0b1b963James Dong } 95