1 /* ---------------------------------------------------------------- 2 * 3 * 4 * File Name: omxVCM4P10_DeblockLuma_I.c 5 * OpenMAX DL: v1.0.2 6 * Revision: 12290 7 * Date: Wednesday, April 9, 2008 8 * 9 * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved. 10 * 11 * 12 * 13 * H.264 luma deblock 14 * 15 */ 16 17 #include "omxtypes.h" 18 #include "armOMX.h" 19 #include "omxVC.h" 20 21 #include "armCOMM.h" 22 #include "armVC.h" 23 24 25 /** 26 * Function: omxVCM4P10_DeblockLuma_I 27 * 28 * Description: 29 * This function performs deblock filtering the horizontal and vertical edges of a luma macroblock 30 *(16x16). 31 * 32 * Remarks: 33 * 34 * Parameters: 35 * [in] pSrcDst pointer to the input macroblock. Must be 8-byte aligned. 36 * [in] srcdstStep image width 37 * [in] pAlpha pointer to a 2x2 table of alpha thresholds, organized as follows: { external 38 * vertical edge, internal vertical edge, external horizontal 39 * edge, internal horizontal edge } 40 * [in] pBeta pointer to a 2x2 table of beta thresholds, organized as follows: { external 41 * vertical edge, internal vertical edge, external horizontal edge, 42 * internal horizontal edge } 43 * [in] pThresholds pointer to a 16x2 table of threshold (TC0), organized as follows: { values for 44 * the left or above edge of each 4x4 block, arranged in vertical block order 45 * and then in horizontal block order) 46 * [in] pBS pointer to a 16x2 table of BS parameters arranged in scan block order for vertical edges and then horizontal edges; 47 * valid in the range [0,4] with the following restrictions: i) pBS[i]== 4 may occur only for 0<=i<=3, ii) pBS[i]== 4 if and only if pBS[i^1]== 4. Must be 4-byte aligned. 48 * [out] pSrcDst pointer to filtered output macroblock. 49 * 50 * Return Value: 51 * OMX_Sts_NoErr - no error 52 * OMX_Sts_BadArgErr - bad arguments 53 * - Either of the pointers in pSrcDst, pAlpha, pBeta, pTresholds or pBS is NULL. 54 * - pSrcDst is not 8-byte aligned. 55 * - srcdstStep is not a multiple of 8 56 * - pBS is out of range, i.e., one of the following conditions is true: pBS[i]<0, pBS[i]>4, pBS[i]==4 for i>=4, or (pBS[i]==4 && pBS[i^1]!=4) for 0<=i<=3. 57 . 58 * 59 */ 60 61 OMXResult omxVCM4P10_DeblockLuma_I( 62 OMX_U8* pSrcDst, 63 OMX_S32 srcdstStep, 64 const OMX_U8* pAlpha, 65 const OMX_U8* pBeta, 66 const OMX_U8* pThresholds, 67 const OMX_U8 *pBS 68 ) 69 { 70 OMXResult errorCode; 71 72 armRetArgErrIf(pSrcDst == NULL, OMX_Sts_BadArgErr); 73 armRetArgErrIf(armNot8ByteAligned(pSrcDst), OMX_Sts_BadArgErr); 74 armRetArgErrIf(srcdstStep & 7, OMX_Sts_BadArgErr); 75 armRetArgErrIf(pAlpha == NULL, OMX_Sts_BadArgErr); 76 armRetArgErrIf(pBeta == NULL, OMX_Sts_BadArgErr); 77 armRetArgErrIf(pThresholds == NULL, OMX_Sts_BadArgErr); 78 armRetArgErrIf(armNot4ByteAligned(pThresholds), OMX_Sts_BadArgErr); 79 armRetArgErrIf(pBS == NULL, OMX_Sts_BadArgErr); 80 armRetArgErrIf(armNot4ByteAligned(pBS), OMX_Sts_BadArgErr); 81 82 errorCode = omxVCM4P10_FilterDeblockingLuma_VerEdge_I( 83 pSrcDst, srcdstStep, pAlpha, pBeta, pThresholds, pBS); 84 85 armRetArgErrIf(errorCode != OMX_Sts_NoErr, errorCode) 86 87 errorCode = omxVCM4P10_FilterDeblockingLuma_HorEdge_I( 88 pSrcDst, srcdstStep, pAlpha+2, pBeta+2, pThresholds+16, pBS+16); 89 90 return errorCode; 91 } 92
