1 /*!
2 * \copy
3 * Copyright (c) 2009-2013, Cisco Systems
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * * Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 *
13 * * Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in
15 * the documentation and/or other materials provided with the
16 * distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
24 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
26 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
28 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 *
31 *
32 * \file deblocking.h
33 *
34 * \brief Interfaces introduced in frame deblocking filtering
35 *
36 * \date 05/14/2009 Created
37 *
38 *************************************************************************************
39 */
40
41 #ifndef WELS_DEBLOCKING_H__
42 #define WELS_DEBLOCKING_H__
43
44 #include "decoder_context.h"
45 #include "deblocking_common.h"
46 namespace WelsDec {
47
48 /*!
49 * \brief deblocking module initialize
50 *
51 * \param pf
52 * cpu
53 *
54 * \return NONE
55 */
56
57 void DeblockingInit (PDeblockingFunc pDeblockingFunc, int32_t iCpu);
58
59
60 /*!
61 * \brief deblocking filtering target slice
62 *
63 * \param dec Wels decoder context
64 *
65 * \return NONE
66 */
67 void WelsDeblockingFilterSlice (PWelsDecoderContext pCtx, PDeblockingFilterMbFunc pDeblockMb);
68
69 /*!
70 * \brief AVC slice init deblocking filtering target layer
71 *
72 * \in and out param SDeblockingFilter
73 * \in and out param iFilterIdc
74 *
75 * \return NONE
76 */
77 void WelsDeblockingInitFilter (PWelsDecoderContext pCtx, SDeblockingFilter& pFilter, int32_t& iFilterIdc);
78
79 /*!
80 * \brief AVC MB deblocking filtering target layer
81 *
82 * \param DqLayer which has the current location of MB to be deblocked.
83 *
84 * \return NONE
85 */
86 void WelsDeblockingFilterMB (PDqLayer pCurDqLayer, SDeblockingFilter& pFilter, int32_t& iFilterIdc,
87 PDeblockingFilterMbFunc pDeblockMb);
88
89 /*!
90 * \brief pixel deblocking filtering
91 *
92 * \param filter deblocking filter
93 * \param pix pixel value
94 * \param stride frame stride
95 * \param bs boundary strength
96 *
97 * \return NONE
98 */
99
100 uint32_t DeblockingBsMarginalMBAvcbase (PDeblockingFilter pFilter, PDqLayer pCurDqLayer, int32_t iEdge,
101 int32_t iNeighMb, int32_t iMbXy);
102 uint32_t DeblockingBSliceBsMarginalMBAvcbase (PDqLayer pCurDqLayer, int32_t iEdge, int32_t iNeighMb, int32_t iMbXy);
103
104 int32_t DeblockingAvailableNoInterlayer (PDqLayer pCurDqLayer, int32_t iFilterIdc);
105
106 void WelsDeblockingMb (PDqLayer pCurDqLayer, PDeblockingFilter pFilter, int32_t iBoundryFlag);
107
GetPNzc(PDqLayer pCurDqLayer,int32_t iMbXy)108 inline int8_t* GetPNzc (PDqLayer pCurDqLayer, int32_t iMbXy) {
109 if (pCurDqLayer->pDec != NULL && pCurDqLayer->pDec->pNzc != NULL) {
110 return pCurDqLayer->pDec->pNzc[iMbXy];
111 }
112 return pCurDqLayer->pNzc[iMbXy];
113 }
114
115 } // namespace WelsDec
116
117 #endif //WELS_DEBLOCKING_H__
118
119