| 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2016, ITU/ISO/IEC |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | /** \file ContextTables.h |
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| 35 | \brief Defines constants and tables for SBAC |
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| 36 | \todo number of context models is not matched to actual use, should be fixed |
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| 37 | */ |
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| 38 | |
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| 39 | #ifndef __CONTEXTTABLES__ |
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| 40 | #define __CONTEXTTABLES__ |
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| 41 | |
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| 42 | //! \ingroup TLibCommon |
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| 43 | //! \{ |
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| 44 | |
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| 45 | // ==================================================================================================================== |
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| 46 | // Constants |
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| 47 | // ==================================================================================================================== |
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| 48 | |
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| 49 | #define MAX_NUM_CTX_MOD 512 ///< maximum number of supported contexts |
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| 50 | |
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| 51 | #define NUM_SPLIT_FLAG_CTX 3 ///< number of context models for split flag |
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| 52 | #define NUM_SKIP_FLAG_CTX 3 ///< number of context models for skip flag |
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| 53 | |
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| 54 | #define NUM_MERGE_FLAG_EXT_CTX 1 ///< number of context models for merge flag of merge extended |
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| 55 | #define NUM_MERGE_IDX_EXT_CTX 1 ///< number of context models for merge index of merge extended |
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| 56 | |
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| 57 | #define NUM_PART_SIZE_CTX 4 ///< number of context models for partition size |
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| 58 | #define NUM_PRED_MODE_CTX 1 ///< number of context models for prediction mode |
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| 59 | |
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| 60 | #define NUM_INTRA_PREDICT_CTX 1 ///< number of context models for intra prediction |
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| 61 | |
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| 62 | #define NUM_CHROMA_PRED_CTX 2 ///< number of context models for intra prediction (chroma) |
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| 63 | #define NUM_INTER_DIR_CTX 5 ///< number of context models for inter prediction direction |
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| 64 | #define NUM_MV_RES_CTX 2 ///< number of context models for motion vector difference |
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| 65 | #define NUM_CHROMA_QP_ADJ_FLAG_CTX 1 ///< number of context models for chroma_qp_adjustment_flag |
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| 66 | #define NUM_CHROMA_QP_ADJ_IDC_CTX 1 ///< number of context models for chroma_qp_adjustment_idc |
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| 67 | |
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| 68 | #define NUM_REF_NO_CTX 2 ///< number of context models for reference index |
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| 69 | #define NUM_TRANS_SUBDIV_FLAG_CTX 3 ///< number of context models for transform subdivision flags |
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| 70 | #define NUM_QT_ROOT_CBF_CTX 1 ///< number of context models for QT ROOT CBF |
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| 71 | #define NUM_DELTA_QP_CTX 3 ///< number of context models for dQP |
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| 72 | |
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| 73 | #define NUM_SIG_CG_FLAG_CTX 2 ///< number of context models for MULTI_LEVEL_SIGNIFICANCE |
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| 74 | #define NUM_EXPLICIT_RDPCM_FLAG_CTX 1 ///< number of context models for the flag which specifies whether to use RDPCM on inter coded residues |
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| 75 | #define NUM_EXPLICIT_RDPCM_DIR_CTX 1 ///< number of context models for the flag which specifies which RDPCM direction is used on inter coded residues |
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| 76 | |
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| 77 | //-------------------------------------------------------------------------------------------------- |
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| 78 | |
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| 79 | // context size definitions for significance map |
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| 80 | |
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| 81 | #define NUM_SIG_FLAG_CTX_LUMA 28 ///< number of context models for luma sig flag |
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| 82 | #define NUM_SIG_FLAG_CTX_CHROMA 16 ///< number of context models for chroma sig flag |
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| 83 | |
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| 84 | // |----Luma-----| |---Chroma----| |
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| 85 | static const UInt significanceMapContextSetStart [MAX_NUM_CHANNEL_TYPE][CONTEXT_NUMBER_OF_TYPES] = { {0, 9, 21, 27}, {0, 9, 12, 15} }; |
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| 86 | static const UInt significanceMapContextSetSize [MAX_NUM_CHANNEL_TYPE][CONTEXT_NUMBER_OF_TYPES] = { {9, 12, 6, 1}, {9, 3, 3, 1} }; |
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| 87 | static const UInt nonDiagonalScan8x8ContextOffset [MAX_NUM_CHANNEL_TYPE] = { 6, 0 }; |
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| 88 | static const UInt notFirstGroupNeighbourhoodContextOffset[MAX_NUM_CHANNEL_TYPE] = { 3, 0 }; |
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| 89 | |
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| 90 | //------------------ |
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| 91 | |
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| 92 | #define NEIGHBOURHOOD_00_CONTEXT_1_THRESHOLD_4x4 3 |
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| 93 | #define NEIGHBOURHOOD_00_CONTEXT_2_THRESHOLD_4x4 1 |
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| 94 | |
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| 95 | //------------------ |
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| 96 | |
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| 97 | #define FIRST_SIG_FLAG_CTX_LUMA 0 |
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| 98 | #define FIRST_SIG_FLAG_CTX_CHROMA (FIRST_SIG_FLAG_CTX_LUMA + NUM_SIG_FLAG_CTX_LUMA) |
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| 99 | |
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| 100 | #define NUM_SIG_FLAG_CTX (NUM_SIG_FLAG_CTX_LUMA + NUM_SIG_FLAG_CTX_CHROMA) ///< number of context models for sig flag |
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| 101 | |
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| 102 | //-------------------------------------------------------------------------------------------------- |
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| 103 | |
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| 104 | // context size definitions for last significant coefficient position |
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| 105 | |
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| 106 | #define NUM_CTX_LAST_FLAG_SETS 2 |
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| 107 | |
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| 108 | #define NUM_CTX_LAST_FLAG_XY 15 ///< number of context models for last coefficient position |
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| 109 | |
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| 110 | //-------------------------------------------------------------------------------------------------- |
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| 111 | |
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| 112 | // context size definitions for greater-than-one and greater-than-two maps |
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| 113 | |
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| 114 | #define NUM_ONE_FLAG_CTX_PER_SET 4 ///< number of context models for greater than 1 flag in a set |
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| 115 | #define NUM_ABS_FLAG_CTX_PER_SET 1 ///< number of context models for greater than 2 flag in a set |
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| 116 | |
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| 117 | //------------------ |
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| 118 | |
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| 119 | #define NUM_CTX_SETS_LUMA 4 ///< number of context model sets for luminance |
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| 120 | #define NUM_CTX_SETS_CHROMA 2 ///< number of context model sets for combined chrominance |
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| 121 | |
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| 122 | #define FIRST_CTX_SET_LUMA 0 ///< index of first luminance context set |
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| 123 | |
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| 124 | //------------------ |
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| 125 | |
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| 126 | #define NUM_ONE_FLAG_CTX_LUMA (NUM_ONE_FLAG_CTX_PER_SET * NUM_CTX_SETS_LUMA) ///< number of context models for greater than 1 flag of luma |
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| 127 | #define NUM_ONE_FLAG_CTX_CHROMA (NUM_ONE_FLAG_CTX_PER_SET * NUM_CTX_SETS_CHROMA) ///< number of context models for greater than 1 flag of chroma |
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| 128 | |
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| 129 | #define NUM_ABS_FLAG_CTX_LUMA (NUM_ABS_FLAG_CTX_PER_SET * NUM_CTX_SETS_LUMA) ///< number of context models for greater than 2 flag of luma |
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| 130 | #define NUM_ABS_FLAG_CTX_CHROMA (NUM_ABS_FLAG_CTX_PER_SET * NUM_CTX_SETS_CHROMA) ///< number of context models for greater than 2 flag of chroma |
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| 131 | |
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| 132 | #define NUM_ONE_FLAG_CTX (NUM_ONE_FLAG_CTX_LUMA + NUM_ONE_FLAG_CTX_CHROMA) ///< number of context models for greater than 1 flag |
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| 133 | #define NUM_ABS_FLAG_CTX (NUM_ABS_FLAG_CTX_LUMA + NUM_ABS_FLAG_CTX_CHROMA) ///< number of context models for greater than 2 flag |
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| 134 | |
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| 135 | #define FIRST_CTX_SET_CHROMA (FIRST_CTX_SET_LUMA + NUM_CTX_SETS_LUMA) ///< index of first chrominance context set |
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| 136 | |
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| 137 | //-------------------------------------------------------------------------------------------------- |
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| 138 | |
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| 139 | // context size definitions for CBF |
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| 140 | |
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| 141 | #define NUM_QT_CBF_CTX_SETS 2 |
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| 142 | |
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| 143 | #define NUM_QT_CBF_CTX_PER_SET 5 ///< number of context models for QT CBF |
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| 144 | |
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| 145 | #define FIRST_CBF_CTX_LUMA 0 ///< index of first luminance CBF context |
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| 146 | |
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| 147 | #define FIRST_CBF_CTX_CHROMA (FIRST_CBF_CTX_LUMA + NUM_QT_CBF_CTX_PER_SET) ///< index of first chrominance CBF context |
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| 148 | |
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| 149 | |
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| 150 | //-------------------------------------------------------------------------------------------------- |
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| 151 | |
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| 152 | #define NUM_MVP_IDX_CTX 1 ///< number of context models for MVP index |
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| 153 | |
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| 154 | #define NUM_SAO_MERGE_FLAG_CTX 1 ///< number of context models for SAO merge flags |
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| 155 | #define NUM_SAO_TYPE_IDX_CTX 1 ///< number of context models for SAO type index |
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| 156 | |
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| 157 | #define NUM_TRANSFORMSKIP_FLAG_CTX 1 ///< number of context models for transform skipping |
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| 158 | |
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| 159 | #define NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX 1 |
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| 160 | |
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| 161 | #define NUM_CROSS_COMPONENT_PREDICTION_CTX 10 |
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| 162 | |
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| 163 | #define CNU 154 ///< dummy initialization value for unused context models 'Context model Not Used' |
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| 164 | |
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| 165 | |
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| 166 | // ==================================================================================================================== |
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| 167 | // Tables |
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| 168 | // ==================================================================================================================== |
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| 169 | |
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| 170 | // initial probability for cu_transquant_bypass flag |
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| 171 | static const UChar |
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| 172 | INIT_CU_TRANSQUANT_BYPASS_FLAG[NUMBER_OF_SLICE_TYPES][NUM_CU_TRANSQUANT_BYPASS_FLAG_CTX] = |
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| 173 | { |
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| 174 | { 154 }, |
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| 175 | { 154 }, |
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| 176 | { 154 }, |
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| 177 | }; |
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| 178 | |
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| 179 | // initial probability for split flag |
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| 180 | static const UChar |
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| 181 | INIT_SPLIT_FLAG[NUMBER_OF_SLICE_TYPES][NUM_SPLIT_FLAG_CTX] = |
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| 182 | { |
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| 183 | { 107, 139, 126, }, |
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| 184 | { 107, 139, 126, }, |
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| 185 | { 139, 141, 157, }, |
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| 186 | }; |
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| 187 | |
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| 188 | static const UChar |
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| 189 | INIT_SKIP_FLAG[NUMBER_OF_SLICE_TYPES][NUM_SKIP_FLAG_CTX] = |
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| 190 | { |
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| 191 | { 197, 185, 201, }, |
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| 192 | { 197, 185, 201, }, |
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| 193 | { CNU, CNU, CNU, }, |
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| 194 | }; |
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| 195 | |
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| 196 | static const UChar |
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| 197 | INIT_MERGE_FLAG_EXT[NUMBER_OF_SLICE_TYPES][NUM_MERGE_FLAG_EXT_CTX] = |
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| 198 | { |
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| 199 | { 154, }, |
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| 200 | { 110, }, |
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| 201 | { CNU, }, |
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| 202 | }; |
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| 203 | |
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| 204 | static const UChar |
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| 205 | INIT_MERGE_IDX_EXT[NUMBER_OF_SLICE_TYPES][NUM_MERGE_IDX_EXT_CTX] = |
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| 206 | { |
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| 207 | { 137, }, |
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| 208 | { 122, }, |
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| 209 | { CNU, }, |
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| 210 | }; |
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| 211 | |
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| 212 | static const UChar |
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| 213 | INIT_PART_SIZE[NUMBER_OF_SLICE_TYPES][NUM_PART_SIZE_CTX] = |
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| 214 | { |
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| 215 | { 154, 139, 154, 154 }, |
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| 216 | { 154, 139, 154, 154 }, |
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| 217 | { 184, CNU, CNU, CNU }, |
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| 218 | }; |
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| 219 | |
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| 220 | static const UChar |
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| 221 | INIT_PRED_MODE[NUMBER_OF_SLICE_TYPES][NUM_PRED_MODE_CTX] = |
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| 222 | { |
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| 223 | { 134, }, |
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| 224 | { 149, }, |
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| 225 | { CNU, }, |
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| 226 | }; |
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| 227 | |
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| 228 | static const UChar |
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| 229 | INIT_INTRA_PRED_MODE[NUMBER_OF_SLICE_TYPES][NUM_INTRA_PREDICT_CTX] = |
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| 230 | { |
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| 231 | { 183, }, |
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| 232 | { 154, }, |
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| 233 | { 184, }, |
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| 234 | }; |
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| 235 | |
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| 236 | static const UChar |
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| 237 | INIT_CHROMA_PRED_MODE[NUMBER_OF_SLICE_TYPES][NUM_CHROMA_PRED_CTX] = |
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| 238 | { |
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| 239 | { 152, 139, }, |
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| 240 | { 152, 139, }, |
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| 241 | { 63, 139, }, |
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| 242 | }; |
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| 243 | |
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| 244 | static const UChar |
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| 245 | INIT_INTER_DIR[NUMBER_OF_SLICE_TYPES][NUM_INTER_DIR_CTX] = |
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| 246 | { |
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| 247 | { 95, 79, 63, 31, 31, }, |
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| 248 | { 95, 79, 63, 31, 31, }, |
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| 249 | { CNU, CNU, CNU, CNU, CNU, }, |
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| 250 | }; |
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| 251 | |
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| 252 | static const UChar |
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| 253 | INIT_MVD[NUMBER_OF_SLICE_TYPES][NUM_MV_RES_CTX] = |
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| 254 | { |
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| 255 | { 169, 198, }, |
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| 256 | { 140, 198, }, |
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| 257 | { CNU, CNU, }, |
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| 258 | }; |
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| 259 | |
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| 260 | static const UChar |
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| 261 | INIT_REF_PIC[NUMBER_OF_SLICE_TYPES][NUM_REF_NO_CTX] = |
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| 262 | { |
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| 263 | { 153, 153 }, |
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| 264 | { 153, 153 }, |
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| 265 | { CNU, CNU }, |
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| 266 | }; |
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| 267 | |
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| 268 | static const UChar |
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| 269 | INIT_DQP[NUMBER_OF_SLICE_TYPES][NUM_DELTA_QP_CTX] = |
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| 270 | { |
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| 271 | { 154, 154, 154, }, |
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| 272 | { 154, 154, 154, }, |
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| 273 | { 154, 154, 154, }, |
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| 274 | }; |
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| 275 | |
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| 276 | static const UChar |
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| 277 | INIT_CHROMA_QP_ADJ_FLAG[NUMBER_OF_SLICE_TYPES][NUM_CHROMA_QP_ADJ_FLAG_CTX] = |
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| 278 | { |
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| 279 | { 154, }, |
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| 280 | { 154, }, |
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| 281 | { 154, }, |
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| 282 | }; |
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| 283 | |
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| 284 | static const UChar |
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| 285 | INIT_CHROMA_QP_ADJ_IDC[NUMBER_OF_SLICE_TYPES][NUM_CHROMA_QP_ADJ_IDC_CTX] = |
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| 286 | { |
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| 287 | { 154, }, |
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| 288 | { 154, }, |
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| 289 | { 154, }, |
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| 290 | }; |
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| 291 | |
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| 292 | //-------------------------------------------------------------------------------------------------- |
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| 293 | |
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| 294 | //Initialisation for CBF |
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| 295 | |
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| 296 | // |---------Luminance---------| |
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| 297 | #define BSLICE_LUMA_CBF_CONTEXT 153, 111, CNU, CNU, CNU |
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| 298 | #define PSLICE_LUMA_CBF_CONTEXT 153, 111, CNU, CNU, CNU |
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| 299 | #define ISLICE_LUMA_CBF_CONTEXT 111, 141, CNU, CNU, CNU |
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| 300 | // |--------Chrominance--------| |
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| 301 | #define BSLICE_CHROMA_CBF_CONTEXT 149, 92, 167, 154, 154 |
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| 302 | #define PSLICE_CHROMA_CBF_CONTEXT 149, 107, 167, 154, 154 |
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| 303 | #define ISLICE_CHROMA_CBF_CONTEXT 94, 138, 182, 154, 154 |
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| 304 | |
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| 305 | |
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| 306 | static const UChar |
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| 307 | INIT_QT_CBF[NUMBER_OF_SLICE_TYPES][NUM_QT_CBF_CTX_SETS * NUM_QT_CBF_CTX_PER_SET] = |
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| 308 | { |
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| 309 | { BSLICE_LUMA_CBF_CONTEXT, BSLICE_CHROMA_CBF_CONTEXT }, |
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| 310 | { PSLICE_LUMA_CBF_CONTEXT, PSLICE_CHROMA_CBF_CONTEXT }, |
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| 311 | { ISLICE_LUMA_CBF_CONTEXT, ISLICE_CHROMA_CBF_CONTEXT }, |
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| 312 | }; |
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| 313 | |
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| 314 | |
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| 315 | //-------------------------------------------------------------------------------------------------- |
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| 316 | |
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| 317 | static const UChar |
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| 318 | INIT_QT_ROOT_CBF[NUMBER_OF_SLICE_TYPES][NUM_QT_ROOT_CBF_CTX] = |
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| 319 | { |
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| 320 | { 79, }, |
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| 321 | { 79, }, |
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| 322 | { CNU, }, |
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| 323 | }; |
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| 324 | |
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| 325 | |
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| 326 | //-------------------------------------------------------------------------------------------------- |
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| 327 | |
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| 328 | //Initialisation for last-significant-position |
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| 329 | |
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| 330 | // |------------------------------Luminance----------------------------------| |
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| 331 | #define BSLICE_LUMA_LAST_POSITION_CONTEXT 125, 110, 124, 110, 95, 94, 125, 111, 111, 79, 125, 126, 111, 111, 79 |
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| 332 | #define PSLICE_LUMA_LAST_POSITION_CONTEXT 125, 110, 94, 110, 95, 79, 125, 111, 110, 78, 110, 111, 111, 95, 94 |
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| 333 | #define ISLICE_LUMA_LAST_POSITION_CONTEXT 110, 110, 124, 125, 140, 153, 125, 127, 140, 109, 111, 143, 127, 111, 79 |
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| 334 | // |------------------------------Chrominance--------------------------------| |
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| 335 | #define BSLICE_CHROMA_LAST_POSITION_CONTEXT 108, 123, 93, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU |
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| 336 | #define PSLICE_CHROMA_LAST_POSITION_CONTEXT 108, 123, 108, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU |
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| 337 | #define ISLICE_CHROMA_LAST_POSITION_CONTEXT 108, 123, 63, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU, CNU |
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| 338 | |
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| 339 | |
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| 340 | static const UChar |
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| 341 | INIT_LAST[NUMBER_OF_SLICE_TYPES][NUM_CTX_LAST_FLAG_SETS * NUM_CTX_LAST_FLAG_XY] = |
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| 342 | { |
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| 343 | { BSLICE_LUMA_LAST_POSITION_CONTEXT, BSLICE_CHROMA_LAST_POSITION_CONTEXT }, |
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| 344 | { PSLICE_LUMA_LAST_POSITION_CONTEXT, PSLICE_CHROMA_LAST_POSITION_CONTEXT }, |
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| 345 | { ISLICE_LUMA_LAST_POSITION_CONTEXT, ISLICE_CHROMA_LAST_POSITION_CONTEXT }, |
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| 346 | }; |
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| 347 | |
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| 348 | |
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| 349 | //-------------------------------------------------------------------------------------------------- |
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| 350 | |
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| 351 | static const UChar |
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| 352 | INIT_SIG_CG_FLAG[NUMBER_OF_SLICE_TYPES][2 * NUM_SIG_CG_FLAG_CTX] = |
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| 353 | { |
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| 354 | { 121, 140, |
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| 355 | 61, 154, |
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| 356 | }, |
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| 357 | { 121, 140, |
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| 358 | 61, 154, |
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| 359 | }, |
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| 360 | { 91, 171, |
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| 361 | 134, 141, |
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| 362 | }, |
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| 363 | }; |
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| 364 | |
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| 365 | |
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| 366 | //-------------------------------------------------------------------------------------------------- |
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| 367 | |
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| 368 | //Initialisation for significance map |
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| 369 | |
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| 370 | // |-DC-| |-----------------4x4------------------| |------8x8 Diagonal Scan------| |----8x8 Non-Diagonal Scan----| |-NxN First group-| |-NxN Other group-| |-Single context-| |
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| 371 | // | | | | |-First Group-| |-Other Group-| |-First Group-| |-Other Group-| | | | | | | |
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| 372 | #define BSLICE_LUMA_SIGNIFICANCE_CONTEXT 170, 154, 139, 153, 139, 123, 123, 63, 124, 166, 183, 140, 136, 153, 154, 166, 183, 140, 136, 153, 154, 166, 183, 140, 136, 153, 154, 140 |
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| 373 | #define PSLICE_LUMA_SIGNIFICANCE_CONTEXT 155, 154, 139, 153, 139, 123, 123, 63, 153, 166, 183, 140, 136, 153, 154, 166, 183, 140, 136, 153, 154, 166, 183, 140, 136, 153, 154, 140 |
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| 374 | #define ISLICE_LUMA_SIGNIFICANCE_CONTEXT 111, 111, 125, 110, 110, 94, 124, 108, 124, 107, 125, 141, 179, 153, 125, 107, 125, 141, 179, 153, 125, 107, 125, 141, 179, 153, 125, 141 |
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| 375 | |
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| 376 | // |-DC-| |-----------------4x4------------------| |-8x8 Any group-| |-NxN Any group-| |-Single context-| |
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| 377 | #define BSLICE_CHROMA_SIGNIFICANCE_CONTEXT 170, 153, 138, 138, 122, 121, 122, 121, 167, 151, 183, 140, 151, 183, 140, 140 |
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| 378 | #define PSLICE_CHROMA_SIGNIFICANCE_CONTEXT 170, 153, 123, 123, 107, 121, 107, 121, 167, 151, 183, 140, 151, 183, 140, 140 |
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| 379 | #define ISLICE_CHROMA_SIGNIFICANCE_CONTEXT 140, 139, 182, 182, 152, 136, 152, 136, 153, 136, 139, 111, 136, 139, 111, 111 |
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| 380 | |
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| 381 | //------------------------------------------------ |
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| 382 | |
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| 383 | static const UChar |
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| 384 | INIT_SIG_FLAG[NUMBER_OF_SLICE_TYPES][NUM_SIG_FLAG_CTX] = |
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| 385 | { |
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| 386 | { BSLICE_LUMA_SIGNIFICANCE_CONTEXT, BSLICE_CHROMA_SIGNIFICANCE_CONTEXT }, |
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| 387 | { PSLICE_LUMA_SIGNIFICANCE_CONTEXT, PSLICE_CHROMA_SIGNIFICANCE_CONTEXT }, |
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| 388 | { ISLICE_LUMA_SIGNIFICANCE_CONTEXT, ISLICE_CHROMA_SIGNIFICANCE_CONTEXT }, |
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| 389 | }; |
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| 390 | |
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| 391 | |
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| 392 | //-------------------------------------------------------------------------------------------------- |
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| 393 | |
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| 394 | //Initialisation for greater-than-one flags and greater-than-two flags |
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| 395 | |
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| 396 | // |------Set 0-------| |------Set 1-------| |------Set 2-------| |------Set 3-------| |
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| 397 | #define BSLICE_LUMA_ONE_CONTEXT 154, 196, 167, 167, 154, 152, 167, 182, 182, 134, 149, 136, 153, 121, 136, 122 |
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| 398 | #define PSLICE_LUMA_ONE_CONTEXT 154, 196, 196, 167, 154, 152, 167, 182, 182, 134, 149, 136, 153, 121, 136, 137 |
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| 399 | #define ISLICE_LUMA_ONE_CONTEXT 140, 92, 137, 138, 140, 152, 138, 139, 153, 74, 149, 92, 139, 107, 122, 152 |
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| 400 | |
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| 401 | #define BSLICE_LUMA_ABS_CONTEXT 107, 167, 91, 107 |
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| 402 | #define PSLICE_LUMA_ABS_CONTEXT 107, 167, 91, 122 |
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| 403 | #define ISLICE_LUMA_ABS_CONTEXT 138, 153, 136, 167 |
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| 404 | |
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| 405 | // |------Set 4-------| |------Set 5-------| |
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| 406 | #define BSLICE_CHROMA_ONE_CONTEXT 169, 208, 166, 167, 154, 152, 167, 182 |
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| 407 | #define PSLICE_CHROMA_ONE_CONTEXT 169, 194, 166, 167, 154, 167, 137, 182 |
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| 408 | #define ISLICE_CHROMA_ONE_CONTEXT 140, 179, 166, 182, 140, 227, 122, 197 |
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| 409 | |
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| 410 | #define BSLICE_CHROMA_ABS_CONTEXT 107, 167 |
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| 411 | #define PSLICE_CHROMA_ABS_CONTEXT 107, 167 |
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| 412 | #define ISLICE_CHROMA_ABS_CONTEXT 152, 152 |
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| 413 | |
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| 414 | |
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| 415 | //------------------------------------------------ |
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| 416 | |
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| 417 | static const UChar |
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| 418 | INIT_ONE_FLAG[NUMBER_OF_SLICE_TYPES][NUM_ONE_FLAG_CTX] = |
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| 419 | { |
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| 420 | { BSLICE_LUMA_ONE_CONTEXT, BSLICE_CHROMA_ONE_CONTEXT }, |
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| 421 | { PSLICE_LUMA_ONE_CONTEXT, PSLICE_CHROMA_ONE_CONTEXT }, |
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| 422 | { ISLICE_LUMA_ONE_CONTEXT, ISLICE_CHROMA_ONE_CONTEXT }, |
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| 423 | }; |
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| 424 | |
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| 425 | static const UChar |
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| 426 | INIT_ABS_FLAG[NUMBER_OF_SLICE_TYPES][NUM_ABS_FLAG_CTX] = |
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| 427 | { |
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| 428 | { BSLICE_LUMA_ABS_CONTEXT, BSLICE_CHROMA_ABS_CONTEXT }, |
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| 429 | { PSLICE_LUMA_ABS_CONTEXT, PSLICE_CHROMA_ABS_CONTEXT }, |
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| 430 | { ISLICE_LUMA_ABS_CONTEXT, ISLICE_CHROMA_ABS_CONTEXT }, |
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| 431 | }; |
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| 432 | |
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| 433 | |
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| 434 | //-------------------------------------------------------------------------------------------------- |
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| 435 | |
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| 436 | static const UChar |
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| 437 | INIT_MVP_IDX[NUMBER_OF_SLICE_TYPES][NUM_MVP_IDX_CTX] = |
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| 438 | { |
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| 439 | { 168, }, |
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| 440 | { 168, }, |
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| 441 | { CNU, }, |
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| 442 | }; |
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| 443 | |
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| 444 | static const UChar |
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| 445 | INIT_SAO_MERGE_FLAG[NUMBER_OF_SLICE_TYPES][NUM_SAO_MERGE_FLAG_CTX] = |
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| 446 | { |
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| 447 | { 153, }, |
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| 448 | { 153, }, |
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| 449 | { 153, }, |
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| 450 | }; |
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| 451 | |
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| 452 | static const UChar |
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| 453 | INIT_SAO_TYPE_IDX[NUMBER_OF_SLICE_TYPES][NUM_SAO_TYPE_IDX_CTX] = |
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| 454 | { |
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| 455 | { 160, }, |
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| 456 | { 185, }, |
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| 457 | { 200, }, |
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| 458 | }; |
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| 459 | |
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| 460 | static const UChar |
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| 461 | INIT_TRANS_SUBDIV_FLAG[NUMBER_OF_SLICE_TYPES][NUM_TRANS_SUBDIV_FLAG_CTX] = |
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| 462 | { |
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| 463 | { 224, 167, 122, }, |
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| 464 | { 124, 138, 94, }, |
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| 465 | { 153, 138, 138, }, |
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| 466 | }; |
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| 467 | |
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| 468 | static const UChar |
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| 469 | INIT_TRANSFORMSKIP_FLAG[NUMBER_OF_SLICE_TYPES][2*NUM_TRANSFORMSKIP_FLAG_CTX] = |
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| 470 | { |
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| 471 | { 139, 139}, |
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| 472 | { 139, 139}, |
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| 473 | { 139, 139}, |
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| 474 | }; |
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| 475 | |
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| 476 | static const UChar |
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| 477 | INIT_EXPLICIT_RDPCM_FLAG[NUMBER_OF_SLICE_TYPES][2*NUM_EXPLICIT_RDPCM_FLAG_CTX] = |
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| 478 | { |
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| 479 | {139, 139}, |
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| 480 | {139, 139}, |
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| 481 | {CNU, CNU} |
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| 482 | }; |
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| 483 | |
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| 484 | static const UChar |
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| 485 | INIT_EXPLICIT_RDPCM_DIR[NUMBER_OF_SLICE_TYPES][2*NUM_EXPLICIT_RDPCM_DIR_CTX] = |
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| 486 | { |
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| 487 | {139, 139}, |
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| 488 | {139, 139}, |
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| 489 | {CNU, CNU} |
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| 490 | }; |
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| 491 | |
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| 492 | static const UChar |
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| 493 | INIT_CROSS_COMPONENT_PREDICTION[NUMBER_OF_SLICE_TYPES][NUM_CROSS_COMPONENT_PREDICTION_CTX] = |
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| 494 | { |
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| 495 | { 154, 154, 154, 154, 154, 154, 154, 154, 154, 154 }, |
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| 496 | { 154, 154, 154, 154, 154, 154, 154, 154, 154, 154 }, |
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| 497 | { 154, 154, 154, 154, 154, 154, 154, 154, 154, 154 }, |
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| 498 | }; |
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| 499 | |
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| 500 | //! \} |
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| 501 | |
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| 502 | #endif |
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