1 /* ---------------------------------------------------------------- 2 * 3 * 4 * File Name: omxVCM4P10_DeblockChroma_I.c 5 * OpenMAX DL: v1.0.2 6 * Revision: 9641 7 * Date: Thursday, February 7, 2008 8 * 9 * (c) Copyright 2007-2008 ARM Limited. All Rights Reserved. 10 * 11 * 12 * 13 * H.264 intra chroma 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 * Function: omxVCM4P10_DeblockChroma_I 26 * 27 * Description: 28 * Performs deblocking filtering on all edges of the chroma macroblock (16x16). 29 * 30 * Remarks: 31 * 32 * Parameters: 33 * [in] pSrcDst pointer to the input macroblock. Must be 8-byte aligned. 34 * [in] srcdstStep Step of the arrays 35 * [in] pAlpha pointer to a 2x2 array of alpha thresholds, organized as follows: { external 36 * vertical edge, internal vertical edge, external 37 * horizontal edge, internal horizontal edge } 38 * [in] pBeta pointer to a 2x2 array of beta thresholds, organized as follows: { external 39 * vertical edge, internal vertical edge, external horizontal edge, 40 * internal horizontal edge } 41 * [in] pThresholds AArray of size 8x2 of Thresholds (TC0) (values for the left or 42 * above edge of each 4x2 or 2x4 block, arranged in vertical block order 43 * and then in horizontal block order) 44 * [in] pBS array of size 16x2 of BS parameters (arranged in scan block order for vertical edges and then horizontal edges); 45 * 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. 46 * [out] pSrcDst pointer to filtered output macroblock 47 * 48 * Return Value: 49 * OMX_Sts_NoErr - no error 50 * OMX_Sts_BadArgErr - bad arguments 51 * - Either of the pointers in pSrcDst, pAlpha, pBeta, pTresholds, or pBS is NULL. 52 * - pSrcDst is not 8-byte aligned. 53 * - either pThresholds or pBS is not 4-byte aligned. 54 * - 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. 55 * - srcdstStep is not a multiple of 8. 56 * 57 */ 58 OMXResult omxVCM4P10_DeblockChroma_I( 59 OMX_U8* pSrcDst, 60 OMX_S32 srcdstStep, 61 const OMX_U8* pAlpha, 62 const OMX_U8* pBeta, 63 const OMX_U8* pThresholds, 64 const OMX_U8 *pBS 65 ) 66 { 67 OMXResult errorCode; 68 69 armRetArgErrIf(pSrcDst == NULL, OMX_Sts_BadArgErr); 70 armRetArgErrIf(armNot8ByteAligned(pSrcDst), OMX_Sts_BadArgErr); 71 armRetArgErrIf(srcdstStep & 7, OMX_Sts_BadArgErr); 72 armRetArgErrIf(pAlpha == NULL, OMX_Sts_BadArgErr); 73 armRetArgErrIf(pBeta == NULL, OMX_Sts_BadArgErr); 74 armRetArgErrIf(pThresholds == NULL, OMX_Sts_BadArgErr); 75 armRetArgErrIf(armNot4ByteAligned(pThresholds), OMX_Sts_BadArgErr); 76 armRetArgErrIf(pBS == NULL, OMX_Sts_BadArgErr); 77 armRetArgErrIf(armNot4ByteAligned(pBS), OMX_Sts_BadArgErr); 78 79 errorCode = omxVCM4P10_FilterDeblockingChroma_VerEdge_I( 80 pSrcDst, srcdstStep, pAlpha, pBeta, pThresholds, pBS); 81 82 armRetArgErrIf(errorCode != OMX_Sts_NoErr, errorCode) 83 84 errorCode = omxVCM4P10_FilterDeblockingChroma_HorEdge_I( 85 pSrcDst, srcdstStep, pAlpha+2, pBeta+2, pThresholds+8, pBS+16); 86 87 return errorCode; 88 } 89
