omxVCM4P10_DeblockChroma_I.c revision 78e52bfac041d71ce53b5b13c2abf78af742b09d
1/* 2 * Copyright (C) 2007-2008 ARM Limited 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 * 16 */ 17/* ---------------------------------------------------------------- 18 * 19 * 20 * File Name: omxVCM4P10_DeblockChroma_I.c 21 * OpenMAX DL: v1.0.2 22 * Revision: 9641 23 * Date: Thursday, February 7, 2008 24 * 25 * 26 * 27 * 28 * H.264 intra chroma deblock 29 * 30 */ 31 32#include "omxtypes.h" 33#include "armOMX.h" 34#include "omxVC.h" 35 36#include "armCOMM.h" 37#include "armVC.h" 38 39/** 40 * Function: omxVCM4P10_DeblockChroma_I 41 * 42 * Description: 43 * Performs deblocking filtering on all edges of the chroma macroblock (16x16). 44 * 45 * Remarks: 46 * 47 * Parameters: 48 * [in] pSrcDst pointer to the input macroblock. Must be 8-byte aligned. 49 * [in] srcdstStep Step of the arrays 50 * [in] pAlpha pointer to a 2x2 array of alpha thresholds, organized as follows: { external 51 * vertical edge, internal vertical edge, external 52 * horizontal edge, internal horizontal edge } 53 * [in] pBeta pointer to a 2x2 array of beta thresholds, organized as follows: { external 54 * vertical edge, internal vertical edge, external horizontal edge, 55 * internal horizontal edge } 56 * [in] pThresholds AArray of size 8x2 of Thresholds (TC0) (values for the left or 57 * above edge of each 4x2 or 2x4 block, arranged in vertical block order 58 * and then in horizontal block order) 59 * [in] pBS array of size 16x2 of BS parameters (arranged in scan block order for vertical edges and then horizontal edges); 60 * 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. 61 * [out] pSrcDst pointer to filtered output macroblock 62 * 63 * Return Value: 64 * OMX_Sts_NoErr - no error 65 * OMX_Sts_BadArgErr - bad arguments 66 * - Either of the pointers in pSrcDst, pAlpha, pBeta, pTresholds, or pBS is NULL. 67 * - pSrcDst is not 8-byte aligned. 68 * - either pThresholds or pBS is not 4-byte aligned. 69 * - 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. 70 * - srcdstStep is not a multiple of 8. 71 * 72 */ 73OMXResult omxVCM4P10_DeblockChroma_I( 74 OMX_U8* pSrcDst, 75 OMX_S32 srcdstStep, 76 const OMX_U8* pAlpha, 77 const OMX_U8* pBeta, 78 const OMX_U8* pThresholds, 79 const OMX_U8 *pBS 80) 81{ 82 OMXResult errorCode; 83 84 armRetArgErrIf(pSrcDst == NULL, OMX_Sts_BadArgErr); 85 armRetArgErrIf(armNot8ByteAligned(pSrcDst), OMX_Sts_BadArgErr); 86 armRetArgErrIf(srcdstStep & 7, OMX_Sts_BadArgErr); 87 armRetArgErrIf(pAlpha == NULL, OMX_Sts_BadArgErr); 88 armRetArgErrIf(pBeta == NULL, OMX_Sts_BadArgErr); 89 armRetArgErrIf(pThresholds == NULL, OMX_Sts_BadArgErr); 90 armRetArgErrIf(armNot4ByteAligned(pThresholds), OMX_Sts_BadArgErr); 91 armRetArgErrIf(pBS == NULL, OMX_Sts_BadArgErr); 92 armRetArgErrIf(armNot4ByteAligned(pBS), OMX_Sts_BadArgErr); 93 94 errorCode = omxVCM4P10_FilterDeblockingChroma_VerEdge_I( 95 pSrcDst, srcdstStep, pAlpha, pBeta, pThresholds, pBS); 96 97 armRetArgErrIf(errorCode != OMX_Sts_NoErr, errorCode) 98 99 errorCode = omxVCM4P10_FilterDeblockingChroma_HorEdge_I( 100 pSrcDst, srcdstStep, pAlpha+2, pBeta+2, pThresholds+8, pBS+16); 101 102 return errorCode; 103} 104