10c1bc742181ded4930842b46e9507372f0b1b963James Dong/* ---------------------------------------------------------------- 20c1bc742181ded4930842b46e9507372f0b1b963James Dong * 30c1bc742181ded4930842b46e9507372f0b1b963James Dong * 40c1bc742181ded4930842b46e9507372f0b1b963James Dong * File Name: omxVCM4P10_FilterDeblockingLuma_VerEdge_I.c 50c1bc742181ded4930842b46e9507372f0b1b963James Dong * OpenMAX DL: v1.0.2 60c1bc742181ded4930842b46e9507372f0b1b963James Dong * Revision: 9641 70c1bc742181ded4930842b46e9507372f0b1b963James Dong * Date: Thursday, February 7, 2008 80c1bc742181ded4930842b46e9507372f0b1b963James Dong * 90c1bc742181ded4930842b46e9507372f0b1b963James Dong * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved. 100c1bc742181ded4930842b46e9507372f0b1b963James Dong * 110c1bc742181ded4930842b46e9507372f0b1b963James Dong * 120c1bc742181ded4930842b46e9507372f0b1b963James Dong * 130c1bc742181ded4930842b46e9507372f0b1b963James Dong * H.264 luma deblock module 140c1bc742181ded4930842b46e9507372f0b1b963James Dong * 150c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 160c1bc742181ded4930842b46e9507372f0b1b963James Dong 170c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxtypes.h" 180c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armOMX.h" 190c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "omxVC.h" 200c1bc742181ded4930842b46e9507372f0b1b963James Dong 210c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armCOMM.h" 220c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "armVC.h" 230c1bc742181ded4930842b46e9507372f0b1b963James Dong 240c1bc742181ded4930842b46e9507372f0b1b963James Dong/** 250c1bc742181ded4930842b46e9507372f0b1b963James Dong * Function: omxVCM4P10_FilterDeblockingLuma_VerEdge_I (6.3.3.3.1) 260c1bc742181ded4930842b46e9507372f0b1b963James Dong * 270c1bc742181ded4930842b46e9507372f0b1b963James Dong * Description: 280c1bc742181ded4930842b46e9507372f0b1b963James Dong * Performs in-place deblock filtering on four vertical edges of the luma 290c1bc742181ded4930842b46e9507372f0b1b963James Dong * macroblock (16x16). 300c1bc742181ded4930842b46e9507372f0b1b963James Dong * 310c1bc742181ded4930842b46e9507372f0b1b963James Dong * Input Arguments: 320c1bc742181ded4930842b46e9507372f0b1b963James Dong * 330c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcDst - Pointer to the input macroblock; must be 16-byte aligned. 340c1bc742181ded4930842b46e9507372f0b1b963James Dong * srcdstStep -Step of the arrays; must be a multiple of 16. 350c1bc742181ded4930842b46e9507372f0b1b963James Dong * pAlpha -Array of size 2 of alpha thresholds (the first item is the alpha 360c1bc742181ded4930842b46e9507372f0b1b963James Dong * threshold for the external vertical edge, and the second item is 370c1bc742181ded4930842b46e9507372f0b1b963James Dong * for the internal vertical edge); per [ISO14496-10] alpha values 380c1bc742181ded4930842b46e9507372f0b1b963James Dong * must be in the range [0,255]. 390c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBeta -Array of size 2 of beta thresholds (the first item is the beta 400c1bc742181ded4930842b46e9507372f0b1b963James Dong * threshold for the external vertical edge, and the second item is 410c1bc742181ded4930842b46e9507372f0b1b963James Dong * for the internal vertical edge); per [ISO14496-10] beta values 420c1bc742181ded4930842b46e9507372f0b1b963James Dong * must be in the range [0,18]. 430c1bc742181ded4930842b46e9507372f0b1b963James Dong * pThresholds -Array of size 16 of Thresholds (TC0) (values for the left 440c1bc742181ded4930842b46e9507372f0b1b963James Dong * edge of each 4x4 block, arranged in vertical block order); must 450c1bc742181ded4930842b46e9507372f0b1b963James Dong * be aligned on a 4-byte boundary.. Per [ISO14496-10] values must 460c1bc742181ded4930842b46e9507372f0b1b963James Dong * be in the range [0,25]. 470c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBS -Array of size 16 of BS parameters (arranged in vertical block 480c1bc742181ded4930842b46e9507372f0b1b963James Dong * order); valid in the range [0,4] with the following 490c1bc742181ded4930842b46e9507372f0b1b963James Dong * restrictions: i) pBS[i]== 4 may occur only for 0<=i<=3, ii) 500c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBS[i]== 4 if and only if pBS[i^3]== 4. Must be 4-byte aligned. 510c1bc742181ded4930842b46e9507372f0b1b963James Dong * 520c1bc742181ded4930842b46e9507372f0b1b963James Dong * Output Arguments: 530c1bc742181ded4930842b46e9507372f0b1b963James Dong * 540c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcDst -Pointer to filtered output macroblock. 550c1bc742181ded4930842b46e9507372f0b1b963James Dong * 560c1bc742181ded4930842b46e9507372f0b1b963James Dong * Return Value: 570c1bc742181ded4930842b46e9507372f0b1b963James Dong * If the function runs without error, it returns OMX_Sts_NoErr. 580c1bc742181ded4930842b46e9507372f0b1b963James Dong * If one of the following cases occurs, the function returns 590c1bc742181ded4930842b46e9507372f0b1b963James Dong * OMX_Sts_BadArgErr: 600c1bc742181ded4930842b46e9507372f0b1b963James Dong * Either of the pointers in pSrcDst, pAlpha, pBeta, pThresholds, or pBS 610c1bc742181ded4930842b46e9507372f0b1b963James Dong * is NULL. 620c1bc742181ded4930842b46e9507372f0b1b963James Dong * Either pThresholds or pBS is not aligned on a 4-byte boundary. 630c1bc742181ded4930842b46e9507372f0b1b963James Dong * pSrcDst is not 16-byte aligned. 640c1bc742181ded4930842b46e9507372f0b1b963James Dong * srcdstStep is not a multiple of 16. 650c1bc742181ded4930842b46e9507372f0b1b963James Dong * pAlpha[0] and/or pAlpha[1] is outside the range [0,255]. 660c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBeta[0] and/or pBeta[1] is outside the range [0,18]. 670c1bc742181ded4930842b46e9507372f0b1b963James Dong * One or more entries in the table pThresholds[0..15]is outside of the 680c1bc742181ded4930842b46e9507372f0b1b963James Dong * range [0,25]. 690c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBS is out of range, i.e., one of the following conditions is true: 700c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBS[i]<0, pBS[i]>4, pBS[i]==4 for i>=4, or (pBS[i]==4 && 710c1bc742181ded4930842b46e9507372f0b1b963James Dong * pBS[i^3]!=4) for 0<=i<=3. 720c1bc742181ded4930842b46e9507372f0b1b963James Dong * 730c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 740c1bc742181ded4930842b46e9507372f0b1b963James Dong 750c1bc742181ded4930842b46e9507372f0b1b963James DongOMXResult omxVCM4P10_FilterDeblockingLuma_VerEdge_I( 760c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_U8* pSrcDst, 770c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_S32 srcdstStep, 780c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pAlpha, 790c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pBeta, 800c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8* pThresholds, 810c1bc742181ded4930842b46e9507372f0b1b963James Dong const OMX_U8 *pBS 820c1bc742181ded4930842b46e9507372f0b1b963James Dong ) 830c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 840c1bc742181ded4930842b46e9507372f0b1b963James Dong int X, Y, I, Internal=0; 850c1bc742181ded4930842b46e9507372f0b1b963James Dong 860c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pSrcDst == NULL, OMX_Sts_BadArgErr); 870c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(armNot16ByteAligned(pSrcDst),OMX_Sts_BadArgErr); 880c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(srcdstStep & 15, OMX_Sts_BadArgErr); 890c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pAlpha == NULL, OMX_Sts_BadArgErr); 900c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pBeta == NULL, OMX_Sts_BadArgErr); 910c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pThresholds == NULL, OMX_Sts_BadArgErr); 920c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(armNot4ByteAligned(pThresholds), OMX_Sts_BadArgErr); 930c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pBS == NULL, OMX_Sts_BadArgErr); 940c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(armNot4ByteAligned(pBS), OMX_Sts_BadArgErr); 950c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pBeta[0] > 18, OMX_Sts_BadArgErr); 960c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pBeta[1] > 18, OMX_Sts_BadArgErr); 970c1bc742181ded4930842b46e9507372f0b1b963James Dong 980c1bc742181ded4930842b46e9507372f0b1b963James Dong 990c1bc742181ded4930842b46e9507372f0b1b963James Dong for (X=0; X<16; X+=4, Internal=1) 1000c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1010c1bc742181ded4930842b46e9507372f0b1b963James Dong for (Y=0; Y<16; Y++) 1020c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1030c1bc742181ded4930842b46e9507372f0b1b963James Dong I = (Y>>2)+4*(X>>2); 1040c1bc742181ded4930842b46e9507372f0b1b963James Dong 1050c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pBS[Y] > 4, OMX_Sts_BadArgErr); 1060c1bc742181ded4930842b46e9507372f0b1b963James Dong 1070c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf((pBS[Y] == 4) && (Y > 3), 1080c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_Sts_BadArgErr); 1090c1bc742181ded4930842b46e9507372f0b1b963James Dong 1100c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(( (pBS[Y] == 4) && (pBS[Y^3] != 4) ), 1110c1bc742181ded4930842b46e9507372f0b1b963James Dong OMX_Sts_BadArgErr); 1120c1bc742181ded4930842b46e9507372f0b1b963James Dong 1130c1bc742181ded4930842b46e9507372f0b1b963James Dong armRetArgErrIf(pThresholds[Y] > 25, OMX_Sts_BadArgErr); 1140c1bc742181ded4930842b46e9507372f0b1b963James Dong 1150c1bc742181ded4930842b46e9507372f0b1b963James Dong /* Filter vertical edge with q0 at (X,Y) */ 1160c1bc742181ded4930842b46e9507372f0b1b963James Dong armVCM4P10_DeBlockPixel( 1170c1bc742181ded4930842b46e9507372f0b1b963James Dong pSrcDst + Y*srcdstStep + X, 1180c1bc742181ded4930842b46e9507372f0b1b963James Dong 1, 1190c1bc742181ded4930842b46e9507372f0b1b963James Dong pThresholds[I], 1200c1bc742181ded4930842b46e9507372f0b1b963James Dong pAlpha[Internal], 1210c1bc742181ded4930842b46e9507372f0b1b963James Dong pBeta[Internal], 1220c1bc742181ded4930842b46e9507372f0b1b963James Dong pBS[I], 1230c1bc742181ded4930842b46e9507372f0b1b963James Dong 0); 1240c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1250c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1260c1bc742181ded4930842b46e9507372f0b1b963James Dong 1270c1bc742181ded4930842b46e9507372f0b1b963James Dong return OMX_Sts_NoErr; 1280c1bc742181ded4930842b46e9507372f0b1b963James Dong} 129