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_InterpolateLuma.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 Performs quarter-pixel interpolation 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_InterpolateLuma (6.3.3.2.1) 400c1bc742181ded4930842b46e9507372f0b1b963James Dong * 410c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 420c1bc742181ded4930842b46e9507372f0b1b963James Dong * Performs quarter-pixel interpolation for inter luma MB. It is assumed that 430c1bc742181ded4930842b46e9507372f0b1b963James Dong * the frame is already padded when calling this function. 440c1bc742181ded4930842b46e9507372f0b1b963James Dong * 450c1bc742181ded4930842b46e9507372f0b1b963James Dong * Input Arguments: 460c1bc742181ded4930842b46e9507372f0b1b963James Dong * 470c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrc -Pointer to the source reference frame buffer 480c1bc742181ded4930842b46e9507372f0b1b963James Dong * srcStep -reference frame step, in bytes; must be a multiple of roi.width 490c1bc742181ded4930842b46e9507372f0b1b963James Dong * dstStep -destination frame step, in bytes; must be a multiple of 500c1bc742181ded4930842b46e9507372f0b1b963James Dong * roi.width 510c1bc742181ded4930842b46e9507372f0b1b963James Dong * dx -Fractional part of horizontal motion vector component in 1/4 pixel 520c1bc742181ded4930842b46e9507372f0b1b963James Dong * unit; valid in the range [0,3] 530c1bc742181ded4930842b46e9507372f0b1b963James Dong * dy -Fractional part of vertical motion vector y component in 1/4 pixel 540c1bc742181ded4930842b46e9507372f0b1b963James Dong * unit; valid in the range [0,3] 550c1bc742181ded4930842b46e9507372f0b1b963James Dong * roi -Dimension of the interpolation region; the parameters roi.width and 560c1bc742181ded4930842b46e9507372f0b1b963James Dong * roi.height must be equal to either 4, 8, or 16. 570c1bc742181ded4930842b46e9507372f0b1b963James Dong * 580c1bc742181ded4930842b46e9507372f0b1b963James Dong * Output Arguments: 590c1bc742181ded4930842b46e9507372f0b1b963James Dong * 600c1bc742181ded4930842b46e9507372f0b1b963James Dong * pDst -Pointer to the destination frame buffer if roi.width==4, 4-byte 610c1bc742181ded4930842b46e9507372f0b1b963James Dong * alignment required if roi.width==8, 8-byte alignment required 620c1bc742181ded4930842b46e9507372f0b1b963James Dong * if roi.width==16, 16-byte alignment required 630c1bc742181ded4930842b46e9507372f0b1b963James Dong * 640c1bc742181ded4930842b46e9507372f0b1b963James Dong * Return Value: 650c1bc742181ded4930842b46e9507372f0b1b963James Dong * If the function runs without error, it returns OMX_Sts_NoErr. 660c1bc742181ded4930842b46e9507372f0b1b963James Dong * If one of the following cases occurs, the function returns 670c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_BadArgErr: 680c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrc or pDst is NULL. 690c1bc742181ded4930842b46e9507372f0b1b963James Dong * srcStep or dstStep < roi.width. 700c1bc742181ded4930842b46e9507372f0b1b963James Dong * dx or dy is out of range [0,3]. 710c1bc742181ded4930842b46e9507372f0b1b963James Dong * roi.width or roi.height is out of range {4, 8, 16}. 720c1bc742181ded4930842b46e9507372f0b1b963James Dong * roi.width is equal to 4, but pDst is not 4 byte aligned. 730c1bc742181ded4930842b46e9507372f0b1b963James Dong * roi.width is equal to 8 or 16, but pDst is not 8 byte aligned. 740c1bc742181ded4930842b46e9507372f0b1b963James Dong * srcStep or dstStep is not a multiple of 8. 750c1bc742181ded4930842b46e9507372f0b1b963James Dong * 760c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 770c1bc742181ded4930842b46e9507372f0b1b963James Dong 780c1bc742181ded4930842b46e9507372f0b1b963James DongOMXResult omxVCM4P10_InterpolateLuma ( 790c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pSrc, 800c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32 srcStep, 810c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U8* pDst, 820c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32 dstStep, 830c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32 dx, 840c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32 dy, 850c1bc742181ded4930842b46e9507372f0b1b963James Dong OMXSize roi 860c1bc742181ded4930842b46e9507372f0b1b963James Dong ) 870c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 880c1bc742181ded4930842b46e9507372f0b1b963James Dong /* check for argument error */ 890c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrc == NULL, OMX_Sts_BadArgErr) 900c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pDst == NULL, OMX_Sts_BadArgErr) 910c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(srcStep < roi.width, OMX_Sts_BadArgErr) 920c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(dstStep < roi.width, OMX_Sts_BadArgErr) 930c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(dx < 0, OMX_Sts_BadArgErr) 940c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(dx > 3, OMX_Sts_BadArgErr) 950c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(dy < 0, OMX_Sts_BadArgErr) 960c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(dy > 3, OMX_Sts_BadArgErr) 970c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((roi.width != 4) && (roi.width != 8) && (roi.width != 16), OMX_Sts_BadArgErr) 980c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((roi.height != 4) && (roi.height != 8) && (roi.height != 16), OMX_Sts_BadArgErr) 990c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((roi.width == 4) && armNot4ByteAligned(pDst), OMX_Sts_BadArgErr) 1000c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((roi.width == 8) && armNot8ByteAligned(pDst), OMX_Sts_BadArgErr) 1010c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((roi.width == 16) && armNot16ByteAligned(pDst), OMX_Sts_BadArgErr) 1020c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(srcStep & 7, OMX_Sts_BadArgErr) 1030c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(dstStep & 7, OMX_Sts_BadArgErr) 1040c1bc742181ded4930842b46e9507372f0b1b963James Dong 1050c1bc742181ded4930842b46e9507372f0b1b963James Dong return armVCM4P10_Interpolate_Luma 1060c1bc742181ded4930842b46e9507372f0b1b963James Dong (pSrc, srcStep, pDst, dstStep, roi.width, roi.height, dx, dy); 1070c1bc742181ded4930842b46e9507372f0b1b963James Dong 1080c1bc742181ded4930842b46e9507372f0b1b963James Dong} 1090c1bc742181ded4930842b46e9507372f0b1b963James Dong 1100c1bc742181ded4930842b46e9507372f0b1b963James Dong 1110c1bc742181ded4930842b46e9507372f0b1b963James Dong/***************************************************************************** 1120c1bc742181ded4930842b46e9507372f0b1b963James Dong * END OF FILE 1130c1bc742181ded4930842b46e9507372f0b1b963James Dong *****************************************************************************/ 1140c1bc742181ded4930842b46e9507372f0b1b963James Dong 115