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 * 200c1bc742181ded4930842b46e9507372f0b1b963James Dong * File Name: omxVCM4P10_FilterDeblockingLuma_VerEdge_I.c 210c1bc742181ded4930842b46e9507372f0b1b963James Dong * OpenMAX DL: v1.0.2 220c1bc742181ded4930842b46e9507372f0b1b963James Dong * Revision: 9641 230c1bc742181ded4930842b46e9507372f0b1b963James Dong * Date: Thursday, February 7, 2008 240c1bc742181ded4930842b46e9507372f0b1b963James Dong * 250c1bc742181ded4930842b46e9507372f0b1b963James Dong * 260c1bc742181ded4930842b46e9507372f0b1b963James Dong * 270c1bc742181ded4930842b46e9507372f0b1b963James Dong * 280c1bc742181ded4930842b46e9507372f0b1b963James Dong * H.264 luma deblock module 290c1bc742181ded4930842b46e9507372f0b1b963James Dong * 300c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 310c1bc742181ded4930842b46e9507372f0b1b963James Dong 320c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxtypes.h" 330c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armOMX.h" 340c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxVC.h" 350c1bc742181ded4930842b46e9507372f0b1b963James Dong 360c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armCOMM.h" 370c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armVC.h" 380c1bc742181ded4930842b46e9507372f0b1b963James Dong 390c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 400c1bc742181ded4930842b46e9507372f0b1b963James Dong * Function: omxVCM4P10_FilterDeblockingLuma_VerEdge_I (6.3.3.3.1) 410c1bc742181ded4930842b46e9507372f0b1b963James Dong * 420c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 430c1bc742181ded4930842b46e9507372f0b1b963James Dong * Performs in-place deblock filtering on four vertical edges of the luma 440c1bc742181ded4930842b46e9507372f0b1b963James Dong * macroblock (16x16). 450c1bc742181ded4930842b46e9507372f0b1b963James Dong * 460c1bc742181ded4930842b46e9507372f0b1b963James Dong * Input Arguments: 470c1bc742181ded4930842b46e9507372f0b1b963James Dong * 480c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcDst - Pointer to the input macroblock; must be 16-byte aligned. 490c1bc742181ded4930842b46e9507372f0b1b963James Dong * srcdstStep -Step of the arrays; must be a multiple of 16. 500c1bc742181ded4930842b46e9507372f0b1b963James Dong * pAlpha -Array of size 2 of alpha thresholds (the first item is the alpha 510c1bc742181ded4930842b46e9507372f0b1b963James Dong * threshold for the external vertical edge, and the second item is 520c1bc742181ded4930842b46e9507372f0b1b963James Dong * for the internal vertical edge); per [ISO14496-10] alpha values 530c1bc742181ded4930842b46e9507372f0b1b963James Dong * must be in the range [0,255]. 540c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBeta -Array of size 2 of beta thresholds (the first item is the beta 550c1bc742181ded4930842b46e9507372f0b1b963James Dong * threshold for the external vertical edge, and the second item is 560c1bc742181ded4930842b46e9507372f0b1b963James Dong * for the internal vertical edge); per [ISO14496-10] beta values 570c1bc742181ded4930842b46e9507372f0b1b963James Dong * must be in the range [0,18]. 580c1bc742181ded4930842b46e9507372f0b1b963James Dong * pThresholds -Array of size 16 of Thresholds (TC0) (values for the left 590c1bc742181ded4930842b46e9507372f0b1b963James Dong * edge of each 4x4 block, arranged in vertical block order); must 600c1bc742181ded4930842b46e9507372f0b1b963James Dong * be aligned on a 4-byte boundary.. Per [ISO14496-10] values must 610c1bc742181ded4930842b46e9507372f0b1b963James Dong * be in the range [0,25]. 620c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBS -Array of size 16 of BS parameters (arranged in vertical block 630c1bc742181ded4930842b46e9507372f0b1b963James Dong * order); valid in the range [0,4] with the following 640c1bc742181ded4930842b46e9507372f0b1b963James Dong * restrictions: i) pBS[i]== 4 may occur only for 0<=i<=3, ii) 650c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBS[i]== 4 if and only if pBS[i^3]== 4. Must be 4-byte aligned. 660c1bc742181ded4930842b46e9507372f0b1b963James Dong * 670c1bc742181ded4930842b46e9507372f0b1b963James Dong * Output Arguments: 680c1bc742181ded4930842b46e9507372f0b1b963James Dong * 690c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcDst -Pointer to filtered output macroblock. 700c1bc742181ded4930842b46e9507372f0b1b963James Dong * 710c1bc742181ded4930842b46e9507372f0b1b963James Dong * Return Value: 720c1bc742181ded4930842b46e9507372f0b1b963James Dong * If the function runs without error, it returns OMX_Sts_NoErr. 730c1bc742181ded4930842b46e9507372f0b1b963James Dong * If one of the following cases occurs, the function returns 740c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_BadArgErr: 750c1bc742181ded4930842b46e9507372f0b1b963James Dong * Either of the pointers in pSrcDst, pAlpha, pBeta, pThresholds, or pBS 760c1bc742181ded4930842b46e9507372f0b1b963James Dong * is NULL. 770c1bc742181ded4930842b46e9507372f0b1b963James Dong * Either pThresholds or pBS is not aligned on a 4-byte boundary. 780c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcDst is not 16-byte aligned. 790c1bc742181ded4930842b46e9507372f0b1b963James Dong * srcdstStep is not a multiple of 16. 800c1bc742181ded4930842b46e9507372f0b1b963James Dong * pAlpha[0] and/or pAlpha[1] is outside the range [0,255]. 810c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBeta[0] and/or pBeta[1] is outside the range [0,18]. 820c1bc742181ded4930842b46e9507372f0b1b963James Dong * One or more entries in the table pThresholds[0..15]is outside of the 830c1bc742181ded4930842b46e9507372f0b1b963James Dong * range [0,25]. 840c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBS is out of range, i.e., one of the following conditions is true: 850c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBS[i]<0, pBS[i]>4, pBS[i]==4 for i>=4, or (pBS[i]==4 && 860c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBS[i^3]!=4) for 0<=i<=3. 870c1bc742181ded4930842b46e9507372f0b1b963James Dong * 880c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 890c1bc742181ded4930842b46e9507372f0b1b963James Dong 900c1bc742181ded4930842b46e9507372f0b1b963James DongOMXResult omxVCM4P10_FilterDeblockingLuma_VerEdge_I( 910c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U8* pSrcDst, 920c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32 srcdstStep, 930c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pAlpha, 940c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pBeta, 950c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pThresholds, 960c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8 *pBS 970c1bc742181ded4930842b46e9507372f0b1b963James Dong ) 980c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 990c1bc742181ded4930842b46e9507372f0b1b963James Dong int X, Y, I, Internal=0; 1000c1bc742181ded4930842b46e9507372f0b1b963James Dong 1010c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcDst == NULL, OMX_Sts_BadArgErr); 1020c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(armNot16ByteAligned(pSrcDst),OMX_Sts_BadArgErr); 1030c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(srcdstStep & 15, OMX_Sts_BadArgErr); 1040c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pAlpha == NULL, OMX_Sts_BadArgErr); 1050c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pBeta == NULL, OMX_Sts_BadArgErr); 1060c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pThresholds == NULL, OMX_Sts_BadArgErr); 1070c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(armNot4ByteAligned(pThresholds), OMX_Sts_BadArgErr); 1080c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pBS == NULL, OMX_Sts_BadArgErr); 1090c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(armNot4ByteAligned(pBS), OMX_Sts_BadArgErr); 1100c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pBeta[0] > 18, OMX_Sts_BadArgErr); 1110c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pBeta[1] > 18, OMX_Sts_BadArgErr); 1120c1bc742181ded4930842b46e9507372f0b1b963James Dong 1130c1bc742181ded4930842b46e9507372f0b1b963James Dong 1140c1bc742181ded4930842b46e9507372f0b1b963James Dong for (X=0; X<16; X+=4, Internal=1) 1150c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1160c1bc742181ded4930842b46e9507372f0b1b963James Dong for (Y=0; Y<16; Y++) 1170c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1180c1bc742181ded4930842b46e9507372f0b1b963James Dong I = (Y>>2)+4*(X>>2); 1190c1bc742181ded4930842b46e9507372f0b1b963James Dong 1200c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pBS[Y] > 4, OMX_Sts_BadArgErr); 1210c1bc742181ded4930842b46e9507372f0b1b963James Dong 1220c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((pBS[Y] == 4) && (Y > 3), 1230c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_Sts_BadArgErr); 1240c1bc742181ded4930842b46e9507372f0b1b963James Dong 1250c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(( (pBS[Y] == 4) && (pBS[Y^3] != 4) ), 1260c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_Sts_BadArgErr); 1270c1bc742181ded4930842b46e9507372f0b1b963James Dong 1280c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pThresholds[Y] > 25, OMX_Sts_BadArgErr); 1290c1bc742181ded4930842b46e9507372f0b1b963James Dong 1300c1bc742181ded4930842b46e9507372f0b1b963James Dong /* Filter vertical edge with q0 at (X,Y) */ 1310c1bc742181ded4930842b46e9507372f0b1b963James Dong armVCM4P10_DeBlockPixel( 1320c1bc742181ded4930842b46e9507372f0b1b963James Dong pSrcDst + Y*srcdstStep + X, 1330c1bc742181ded4930842b46e9507372f0b1b963James Dong 1, 1340c1bc742181ded4930842b46e9507372f0b1b963James Dong pThresholds[I], 1350c1bc742181ded4930842b46e9507372f0b1b963James Dong pAlpha[Internal], 1360c1bc742181ded4930842b46e9507372f0b1b963James Dong pBeta[Internal], 1370c1bc742181ded4930842b46e9507372f0b1b963James Dong pBS[I], 1380c1bc742181ded4930842b46e9507372f0b1b963James Dong 0); 1390c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1400c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1410c1bc742181ded4930842b46e9507372f0b1b963James Dong 1420c1bc742181ded4930842b46e9507372f0b1b963James Dong return OMX_Sts_NoErr; 1430c1bc742181ded4930842b46e9507372f0b1b963James Dong} 144