| 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) 2010-2013, 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 TDecCAVLC.cpp |
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| 35 | \brief CAVLC decoder class |
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| 36 | */ |
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| 37 | |
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| 38 | #include "TDecCAVLC.h" |
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| 39 | #include "SEIread.h" |
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| 40 | #include "TDecSlice.h" |
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| 41 | |
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| 42 | //! \ingroup TLibDecoder |
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| 43 | //! \{ |
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| 44 | |
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| 45 | #if ENC_DEC_TRACE |
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| 46 | |
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| 47 | Void xTraceSPSHeader (TComSPS *pSPS) |
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| 48 | { |
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| 49 | fprintf( g_hTrace, "=========== Sequence Parameter Set ID: %d ===========\n", pSPS->getSPSId() ); |
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| 50 | } |
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| 51 | |
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| 52 | Void xTracePPSHeader (TComPPS *pPPS) |
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| 53 | { |
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| 54 | fprintf( g_hTrace, "=========== Picture Parameter Set ID: %d ===========\n", pPPS->getPPSId() ); |
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| 55 | } |
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| 56 | |
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| 57 | Void xTraceSliceHeader (TComSlice *pSlice) |
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| 58 | { |
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| 59 | fprintf( g_hTrace, "=========== Slice ===========\n"); |
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| 60 | } |
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| 61 | |
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| 62 | #endif |
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| 63 | |
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| 64 | // ==================================================================================================================== |
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| 65 | // Constructor / destructor / create / destroy |
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| 66 | // ==================================================================================================================== |
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| 67 | |
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| 68 | TDecCavlc::TDecCavlc() |
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| 69 | { |
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| 70 | } |
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| 71 | |
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| 72 | TDecCavlc::~TDecCavlc() |
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| 73 | { |
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| 74 | |
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| 75 | } |
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| 76 | |
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| 77 | // ==================================================================================================================== |
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| 78 | // Public member functions |
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| 79 | // ==================================================================================================================== |
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| 80 | |
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| 81 | void TDecCavlc::parseShortTermRefPicSet( TComSPS* sps, TComReferencePictureSet* rps, Int idx ) |
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| 82 | { |
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| 83 | UInt code; |
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| 84 | UInt interRPSPred; |
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| 85 | if (idx > 0) |
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| 86 | { |
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| 87 | READ_FLAG(interRPSPred, "inter_ref_pic_set_prediction_flag"); rps->setInterRPSPrediction(interRPSPred); |
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| 88 | } |
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| 89 | else |
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| 90 | { |
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| 91 | interRPSPred = false; |
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| 92 | rps->setInterRPSPrediction(false); |
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| 93 | } |
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| 94 | |
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| 95 | if (interRPSPred) |
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| 96 | { |
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| 97 | UInt bit; |
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| 98 | if(idx == sps->getRPSList()->getNumberOfReferencePictureSets()) |
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| 99 | { |
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| 100 | READ_UVLC(code, "delta_idx_minus1" ); // delta index of the Reference Picture Set used for prediction minus 1 |
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| 101 | } |
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| 102 | else |
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| 103 | { |
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| 104 | code = 0; |
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| 105 | } |
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| 106 | assert(code <= idx-1); // delta_idx_minus1 shall not be larger than idx-1, otherwise we will predict from a negative row position that does not exist. When idx equals 0 there is no legal value and interRPSPred must be zero. See J0185-r2 |
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| 107 | Int rIdx = idx - 1 - code; |
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| 108 | assert (rIdx <= idx-1 && rIdx >= 0); // Made assert tighter; if rIdx = idx then prediction is done from itself. rIdx must belong to range 0, idx-1, inclusive, see J0185-r2 |
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| 109 | TComReferencePictureSet* rpsRef = sps->getRPSList()->getReferencePictureSet(rIdx); |
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| 110 | Int k = 0, k0 = 0, k1 = 0; |
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| 111 | READ_CODE(1, bit, "delta_rps_sign"); // delta_RPS_sign |
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| 112 | READ_UVLC(code, "abs_delta_rps_minus1"); // absolute delta RPS minus 1 |
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| 113 | Int deltaRPS = (1 - 2 * bit) * (code + 1); // delta_RPS |
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| 114 | for(Int j=0 ; j <= rpsRef->getNumberOfPictures(); j++) |
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| 115 | { |
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| 116 | READ_CODE(1, bit, "used_by_curr_pic_flag" ); //first bit is "1" if Idc is 1 |
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| 117 | Int refIdc = bit; |
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| 118 | if (refIdc == 0) |
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| 119 | { |
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| 120 | READ_CODE(1, bit, "use_delta_flag" ); //second bit is "1" if Idc is 2, "0" otherwise. |
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| 121 | refIdc = bit<<1; //second bit is "1" if refIdc is 2, "0" if refIdc = 0. |
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| 122 | } |
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| 123 | if (refIdc == 1 || refIdc == 2) |
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| 124 | { |
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| 125 | Int deltaPOC = deltaRPS + ((j < rpsRef->getNumberOfPictures())? rpsRef->getDeltaPOC(j) : 0); |
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| 126 | rps->setDeltaPOC(k, deltaPOC); |
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| 127 | rps->setUsed(k, (refIdc == 1)); |
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| 128 | |
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| 129 | if (deltaPOC < 0) |
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| 130 | { |
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| 131 | k0++; |
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| 132 | } |
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| 133 | else |
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| 134 | { |
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| 135 | k1++; |
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| 136 | } |
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| 137 | k++; |
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| 138 | } |
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| 139 | rps->setRefIdc(j,refIdc); |
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| 140 | } |
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| 141 | rps->setNumRefIdc(rpsRef->getNumberOfPictures()+1); |
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| 142 | rps->setNumberOfPictures(k); |
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| 143 | rps->setNumberOfNegativePictures(k0); |
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| 144 | rps->setNumberOfPositivePictures(k1); |
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| 145 | rps->sortDeltaPOC(); |
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| 146 | } |
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| 147 | else |
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| 148 | { |
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| 149 | READ_UVLC(code, "num_negative_pics"); rps->setNumberOfNegativePictures(code); |
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| 150 | READ_UVLC(code, "num_positive_pics"); rps->setNumberOfPositivePictures(code); |
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| 151 | Int prev = 0; |
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| 152 | Int poc; |
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| 153 | for(Int j=0 ; j < rps->getNumberOfNegativePictures(); j++) |
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| 154 | { |
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| 155 | READ_UVLC(code, "delta_poc_s0_minus1"); |
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| 156 | poc = prev-code-1; |
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| 157 | prev = poc; |
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| 158 | rps->setDeltaPOC(j,poc); |
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| 159 | READ_FLAG(code, "used_by_curr_pic_s0_flag"); rps->setUsed(j,code); |
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| 160 | } |
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| 161 | prev = 0; |
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| 162 | for(Int j=rps->getNumberOfNegativePictures(); j < rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); j++) |
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| 163 | { |
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| 164 | READ_UVLC(code, "delta_poc_s1_minus1"); |
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| 165 | poc = prev+code+1; |
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| 166 | prev = poc; |
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| 167 | rps->setDeltaPOC(j,poc); |
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| 168 | READ_FLAG(code, "used_by_curr_pic_s1_flag"); rps->setUsed(j,code); |
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| 169 | } |
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| 170 | rps->setNumberOfPictures(rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures()); |
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| 171 | } |
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| 172 | #if PRINT_RPS_INFO |
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| 173 | rps->printDeltaPOC(); |
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| 174 | #endif |
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| 175 | } |
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| 176 | |
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| 177 | /** copy SAO parameter |
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| 178 | * \param dst |
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| 179 | * \param src |
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| 180 | */ |
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| 181 | inline Void copySaoOneLcuParam(SaoLcuParam* dst, SaoLcuParam* src) |
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| 182 | { |
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| 183 | Int i; |
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| 184 | dst->partIdx = src->partIdx; |
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| 185 | dst->typeIdx = src->typeIdx; |
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| 186 | if (dst->typeIdx != -1) |
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| 187 | { |
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| 188 | dst->subTypeIdx = src->subTypeIdx ; |
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| 189 | dst->length = src->length; |
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| 190 | for (i=0;i<dst->length;i++) |
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| 191 | { |
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| 192 | dst->offset[i] = src->offset[i]; |
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| 193 | } |
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| 194 | } |
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| 195 | else |
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| 196 | { |
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| 197 | dst->length = 0; |
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| 198 | for (i=0;i<SAO_BO_LEN;i++) |
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| 199 | { |
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| 200 | dst->offset[i] = 0; |
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| 201 | } |
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| 202 | } |
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| 203 | } |
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| 204 | |
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| 205 | Void TDecCavlc::parsePPS(TComPPS* pcPPS) |
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| 206 | { |
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| 207 | #if ENC_DEC_TRACE |
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| 208 | xTracePPSHeader (pcPPS); |
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| 209 | #endif |
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| 210 | UInt uiCode; |
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| 211 | |
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| 212 | Int iCode; |
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| 213 | |
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| 214 | READ_UVLC( uiCode, "pps_pic_parameter_set_id"); pcPPS->setPPSId (uiCode); |
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| 215 | READ_UVLC( uiCode, "pps_seq_parameter_set_id"); pcPPS->setSPSId (uiCode); |
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| 216 | READ_FLAG( uiCode, "dependent_slice_segments_enabled_flag" ); pcPPS->setDependentSliceSegmentsEnabledFlag ( uiCode == 1 ); |
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| 217 | #if L0255_MOVE_PPS_FLAGS |
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| 218 | READ_FLAG( uiCode, "output_flag_present_flag" ); pcPPS->setOutputFlagPresentFlag( uiCode==1 ); |
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| 219 | |
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| 220 | READ_CODE(3, uiCode, "num_extra_slice_header_bits"); pcPPS->setNumExtraSliceHeaderBits(uiCode); |
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| 221 | #endif |
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| 222 | READ_FLAG ( uiCode, "sign_data_hiding_flag" ); pcPPS->setSignHideFlag( uiCode ); |
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| 223 | |
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| 224 | READ_FLAG( uiCode, "cabac_init_present_flag" ); pcPPS->setCabacInitPresentFlag( uiCode ? true : false ); |
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| 225 | |
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| 226 | #if L0323_LIMIT_DEFAULT_LIST_SIZE |
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| 227 | READ_UVLC(uiCode, "num_ref_idx_l0_default_active_minus1"); |
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| 228 | assert(uiCode <= 14); |
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| 229 | pcPPS->setNumRefIdxL0DefaultActive(uiCode+1); |
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| 230 | |
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| 231 | READ_UVLC(uiCode, "num_ref_idx_l1_default_active_minus1"); |
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| 232 | assert(uiCode <= 14); |
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| 233 | pcPPS->setNumRefIdxL1DefaultActive(uiCode+1); |
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| 234 | #else |
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| 235 | READ_UVLC(uiCode, "num_ref_idx_l0_default_active_minus1"); pcPPS->setNumRefIdxL0DefaultActive(uiCode+1); |
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| 236 | READ_UVLC(uiCode, "num_ref_idx_l1_default_active_minus1"); pcPPS->setNumRefIdxL1DefaultActive(uiCode+1); |
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| 237 | #endif |
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| 238 | |
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| 239 | READ_SVLC(iCode, "init_qp_minus26" ); pcPPS->setPicInitQPMinus26(iCode); |
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| 240 | READ_FLAG( uiCode, "constrained_intra_pred_flag" ); pcPPS->setConstrainedIntraPred( uiCode ? true : false ); |
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| 241 | READ_FLAG( uiCode, "transform_skip_enabled_flag" ); |
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| 242 | pcPPS->setUseTransformSkip ( uiCode ? true : false ); |
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| 243 | |
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| 244 | READ_FLAG( uiCode, "cu_qp_delta_enabled_flag" ); pcPPS->setUseDQP( uiCode ? true : false ); |
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| 245 | if( pcPPS->getUseDQP() ) |
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| 246 | { |
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| 247 | READ_UVLC( uiCode, "diff_cu_qp_delta_depth" ); |
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| 248 | pcPPS->setMaxCuDQPDepth( uiCode ); |
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| 249 | } |
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| 250 | else |
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| 251 | { |
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| 252 | pcPPS->setMaxCuDQPDepth( 0 ); |
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| 253 | } |
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| 254 | READ_SVLC( iCode, "pps_cb_qp_offset"); |
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| 255 | pcPPS->setChromaCbQpOffset(iCode); |
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| 256 | assert( pcPPS->getChromaCbQpOffset() >= -12 ); |
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| 257 | assert( pcPPS->getChromaCbQpOffset() <= 12 ); |
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| 258 | |
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| 259 | READ_SVLC( iCode, "pps_cr_qp_offset"); |
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| 260 | pcPPS->setChromaCrQpOffset(iCode); |
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| 261 | assert( pcPPS->getChromaCrQpOffset() >= -12 ); |
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| 262 | assert( pcPPS->getChromaCrQpOffset() <= 12 ); |
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| 263 | |
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| 264 | READ_FLAG( uiCode, "pps_slice_chroma_qp_offsets_present_flag" ); |
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| 265 | pcPPS->setSliceChromaQpFlag( uiCode ? true : false ); |
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| 266 | |
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| 267 | READ_FLAG( uiCode, "weighted_pred_flag" ); // Use of Weighting Prediction (P_SLICE) |
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| 268 | pcPPS->setUseWP( uiCode==1 ); |
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| 269 | READ_FLAG( uiCode, "weighted_bipred_flag" ); // Use of Bi-Directional Weighting Prediction (B_SLICE) |
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| 270 | pcPPS->setWPBiPred( uiCode==1 ); |
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| 271 | |
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| 272 | #if !L0255_MOVE_PPS_FLAGS |
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| 273 | READ_FLAG( uiCode, "output_flag_present_flag" ); |
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| 274 | pcPPS->setOutputFlagPresentFlag( uiCode==1 ); |
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| 275 | #endif |
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| 276 | READ_FLAG( uiCode, "transquant_bypass_enable_flag"); |
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| 277 | pcPPS->setTransquantBypassEnableFlag(uiCode ? true : false); |
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| 278 | READ_FLAG( uiCode, "tiles_enabled_flag" ); pcPPS->setTilesEnabledFlag ( uiCode == 1 ); |
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| 279 | READ_FLAG( uiCode, "entropy_coding_sync_enabled_flag" ); pcPPS->setEntropyCodingSyncEnabledFlag( uiCode == 1 ); |
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| 280 | |
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| 281 | if( pcPPS->getTilesEnabledFlag() ) |
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| 282 | { |
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| 283 | READ_UVLC ( uiCode, "num_tile_columns_minus1" ); pcPPS->setNumColumnsMinus1( uiCode ); |
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| 284 | READ_UVLC ( uiCode, "num_tile_rows_minus1" ); pcPPS->setNumRowsMinus1( uiCode ); |
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| 285 | READ_FLAG ( uiCode, "uniform_spacing_flag" ); pcPPS->setUniformSpacingFlag( uiCode ); |
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| 286 | |
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| 287 | if( !pcPPS->getUniformSpacingFlag()) |
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| 288 | { |
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| 289 | UInt* columnWidth = (UInt*)malloc(pcPPS->getNumColumnsMinus1()*sizeof(UInt)); |
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| 290 | for(UInt i=0; i<pcPPS->getNumColumnsMinus1(); i++) |
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| 291 | { |
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| 292 | READ_UVLC( uiCode, "column_width_minus1" ); |
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| 293 | columnWidth[i] = uiCode+1; |
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| 294 | } |
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| 295 | pcPPS->setColumnWidth(columnWidth); |
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| 296 | free(columnWidth); |
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| 297 | |
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| 298 | UInt* rowHeight = (UInt*)malloc(pcPPS->getNumRowsMinus1()*sizeof(UInt)); |
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| 299 | for(UInt i=0; i<pcPPS->getNumRowsMinus1(); i++) |
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| 300 | { |
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| 301 | READ_UVLC( uiCode, "row_height_minus1" ); |
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| 302 | rowHeight[i] = uiCode + 1; |
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| 303 | } |
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| 304 | pcPPS->setRowHeight(rowHeight); |
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| 305 | free(rowHeight); |
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| 306 | } |
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| 307 | |
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| 308 | if(pcPPS->getNumColumnsMinus1() !=0 || pcPPS->getNumRowsMinus1() !=0) |
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| 309 | { |
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| 310 | READ_FLAG ( uiCode, "loop_filter_across_tiles_enabled_flag" ); pcPPS->setLoopFilterAcrossTilesEnabledFlag( uiCode ? true : false ); |
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| 311 | } |
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| 312 | } |
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| 313 | READ_FLAG( uiCode, "loop_filter_across_slices_enabled_flag" ); pcPPS->setLoopFilterAcrossSlicesEnabledFlag( uiCode ? true : false ); |
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| 314 | READ_FLAG( uiCode, "deblocking_filter_control_present_flag" ); pcPPS->setDeblockingFilterControlPresentFlag( uiCode ? true : false ); |
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| 315 | if(pcPPS->getDeblockingFilterControlPresentFlag()) |
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| 316 | { |
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| 317 | READ_FLAG( uiCode, "deblocking_filter_override_enabled_flag" ); pcPPS->setDeblockingFilterOverrideEnabledFlag( uiCode ? true : false ); |
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| 318 | READ_FLAG( uiCode, "pps_disable_deblocking_filter_flag" ); pcPPS->setPicDisableDeblockingFilterFlag(uiCode ? true : false ); |
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| 319 | if(!pcPPS->getPicDisableDeblockingFilterFlag()) |
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| 320 | { |
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| 321 | READ_SVLC ( iCode, "pps_beta_offset_div2" ); pcPPS->setDeblockingFilterBetaOffsetDiv2( iCode ); |
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| 322 | READ_SVLC ( iCode, "pps_tc_offset_div2" ); pcPPS->setDeblockingFilterTcOffsetDiv2( iCode ); |
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| 323 | } |
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| 324 | } |
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| 325 | READ_FLAG( uiCode, "pps_scaling_list_data_present_flag" ); pcPPS->setScalingListPresentFlag( uiCode ? true : false ); |
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| 326 | if(pcPPS->getScalingListPresentFlag ()) |
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| 327 | { |
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| 328 | parseScalingList( pcPPS->getScalingList() ); |
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| 329 | } |
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| 330 | |
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| 331 | READ_FLAG( uiCode, "lists_modification_present_flag"); |
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| 332 | pcPPS->setListsModificationPresentFlag(uiCode); |
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| 333 | |
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| 334 | READ_UVLC( uiCode, "log2_parallel_merge_level_minus2"); |
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| 335 | pcPPS->setLog2ParallelMergeLevelMinus2 (uiCode); |
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| 336 | |
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| 337 | #if !L0255_MOVE_PPS_FLAGS |
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| 338 | READ_CODE(3, uiCode, "num_extra_slice_header_bits"); |
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| 339 | pcPPS->setNumExtraSliceHeaderBits(uiCode); |
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| 340 | #endif |
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| 341 | READ_FLAG( uiCode, "slice_segment_header_extension_present_flag"); |
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| 342 | pcPPS->setSliceHeaderExtensionPresentFlag(uiCode); |
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| 343 | |
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| 344 | READ_FLAG( uiCode, "pps_extension_flag"); |
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| 345 | if (uiCode) |
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| 346 | { |
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| 347 | while ( xMoreRbspData() ) |
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| 348 | { |
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| 349 | READ_FLAG( uiCode, "pps_extension_data_flag"); |
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| 350 | } |
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| 351 | } |
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| 352 | } |
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| 353 | |
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| 354 | Void TDecCavlc::parseVUI(TComVUI* pcVUI, TComSPS *pcSPS) |
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| 355 | { |
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| 356 | #if ENC_DEC_TRACE |
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| 357 | fprintf( g_hTrace, "----------- vui_parameters -----------\n"); |
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| 358 | #endif |
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| 359 | UInt uiCode; |
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| 360 | |
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| 361 | READ_FLAG( uiCode, "aspect_ratio_info_present_flag"); pcVUI->setAspectRatioInfoPresentFlag(uiCode); |
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| 362 | if (pcVUI->getAspectRatioInfoPresentFlag()) |
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| 363 | { |
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| 364 | READ_CODE(8, uiCode, "aspect_ratio_idc"); pcVUI->setAspectRatioIdc(uiCode); |
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| 365 | if (pcVUI->getAspectRatioIdc() == 255) |
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| 366 | { |
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| 367 | READ_CODE(16, uiCode, "sar_width"); pcVUI->setSarWidth(uiCode); |
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| 368 | READ_CODE(16, uiCode, "sar_height"); pcVUI->setSarHeight(uiCode); |
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| 369 | } |
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| 370 | } |
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| 371 | |
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| 372 | READ_FLAG( uiCode, "overscan_info_present_flag"); pcVUI->setOverscanInfoPresentFlag(uiCode); |
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| 373 | if (pcVUI->getOverscanInfoPresentFlag()) |
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| 374 | { |
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| 375 | READ_FLAG( uiCode, "overscan_appropriate_flag"); pcVUI->setOverscanAppropriateFlag(uiCode); |
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| 376 | } |
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| 377 | |
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| 378 | READ_FLAG( uiCode, "video_signal_type_present_flag"); pcVUI->setVideoSignalTypePresentFlag(uiCode); |
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| 379 | if (pcVUI->getVideoSignalTypePresentFlag()) |
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| 380 | { |
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| 381 | READ_CODE(3, uiCode, "video_format"); pcVUI->setVideoFormat(uiCode); |
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| 382 | READ_FLAG( uiCode, "video_full_range_flag"); pcVUI->setVideoFullRangeFlag(uiCode); |
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| 383 | READ_FLAG( uiCode, "colour_description_present_flag"); pcVUI->setColourDescriptionPresentFlag(uiCode); |
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| 384 | if (pcVUI->getColourDescriptionPresentFlag()) |
|---|
| 385 | { |
|---|
| 386 | READ_CODE(8, uiCode, "colour_primaries"); pcVUI->setColourPrimaries(uiCode); |
|---|
| 387 | READ_CODE(8, uiCode, "transfer_characteristics"); pcVUI->setTransferCharacteristics(uiCode); |
|---|
| 388 | READ_CODE(8, uiCode, "matrix_coefficients"); pcVUI->setMatrixCoefficients(uiCode); |
|---|
| 389 | } |
|---|
| 390 | } |
|---|
| 391 | |
|---|
| 392 | READ_FLAG( uiCode, "chroma_loc_info_present_flag"); pcVUI->setChromaLocInfoPresentFlag(uiCode); |
|---|
| 393 | if (pcVUI->getChromaLocInfoPresentFlag()) |
|---|
| 394 | { |
|---|
| 395 | READ_UVLC( uiCode, "chroma_sample_loc_type_top_field" ); pcVUI->setChromaSampleLocTypeTopField(uiCode); |
|---|
| 396 | READ_UVLC( uiCode, "chroma_sample_loc_type_bottom_field" ); pcVUI->setChromaSampleLocTypeBottomField(uiCode); |
|---|
| 397 | } |
|---|
| 398 | |
|---|
| 399 | READ_FLAG( uiCode, "neutral_chroma_indication_flag"); pcVUI->setNeutralChromaIndicationFlag(uiCode); |
|---|
| 400 | |
|---|
| 401 | READ_FLAG( uiCode, "field_seq_flag"); pcVUI->setFieldSeqFlag(uiCode); |
|---|
| 402 | assert(pcVUI->getFieldSeqFlag() == false); // not supported yet |
|---|
| 403 | |
|---|
| 404 | READ_FLAG(uiCode, "frame_field_info_present_flag"); pcVUI->setFrameFieldInfoPresentFlag(uiCode); |
|---|
| 405 | |
|---|
| 406 | READ_FLAG( uiCode, "default_display_window_flag"); |
|---|
| 407 | if (uiCode != 0) |
|---|
| 408 | { |
|---|
| 409 | Window &defDisp = pcVUI->getDefaultDisplayWindow(); |
|---|
| 410 | READ_UVLC( uiCode, "def_disp_win_left_offset" ); defDisp.setWindowLeftOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc()) ); |
|---|
| 411 | READ_UVLC( uiCode, "def_disp_win_right_offset" ); defDisp.setWindowRightOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc()) ); |
|---|
| 412 | READ_UVLC( uiCode, "def_disp_win_top_offset" ); defDisp.setWindowTopOffset ( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc()) ); |
|---|
| 413 | READ_UVLC( uiCode, "def_disp_win_bottom_offset" ); defDisp.setWindowBottomOffset( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc()) ); |
|---|
| 414 | } |
|---|
| 415 | #if L0043_TIMING_INFO |
|---|
| 416 | TimingInfo *timingInfo = pcVUI->getTimingInfo(); |
|---|
| 417 | READ_FLAG( uiCode, "vui_timing_info_present_flag"); timingInfo->setTimingInfoPresentFlag (uiCode ? true : false); |
|---|
| 418 | if(timingInfo->getTimingInfoPresentFlag()) |
|---|
| 419 | { |
|---|
| 420 | READ_CODE( 32, uiCode, "vui_num_units_in_tick"); timingInfo->setNumUnitsInTick (uiCode); |
|---|
| 421 | READ_CODE( 32, uiCode, "vui_time_scale"); timingInfo->setTimeScale (uiCode); |
|---|
| 422 | READ_FLAG( uiCode, "vui_poc_proportional_to_timing_flag"); timingInfo->setPocProportionalToTimingFlag(uiCode ? true : false); |
|---|
| 423 | if(timingInfo->getPocProportionalToTimingFlag()) |
|---|
| 424 | { |
|---|
| 425 | READ_UVLC( uiCode, "vui_num_ticks_poc_diff_one_minus1"); timingInfo->setNumTicksPocDiffOneMinus1 (uiCode); |
|---|
| 426 | } |
|---|
| 427 | #endif |
|---|
| 428 | READ_FLAG( uiCode, "hrd_parameters_present_flag"); pcVUI->setHrdParametersPresentFlag(uiCode); |
|---|
| 429 | if( pcVUI->getHrdParametersPresentFlag() ) |
|---|
| 430 | { |
|---|
| 431 | parseHrdParameters( pcVUI->getHrdParameters(), 1, pcSPS->getMaxTLayers() - 1 ); |
|---|
| 432 | } |
|---|
| 433 | #if L0043_TIMING_INFO |
|---|
| 434 | } |
|---|
| 435 | #endif |
|---|
| 436 | #if !L0043_TIMING_INFO |
|---|
| 437 | READ_FLAG( uiCode, "poc_proportional_to_timing_flag" ); pcVUI->setPocProportionalToTimingFlag(uiCode ? true : false); |
|---|
| 438 | if( pcVUI->getPocProportionalToTimingFlag() && pcVUI->getHrdParameters()->getTimingInfoPresentFlag() ) |
|---|
| 439 | { |
|---|
| 440 | READ_UVLC( uiCode, "num_ticks_poc_diff_one_minus1" ); pcVUI->setNumTicksPocDiffOneMinus1(uiCode); |
|---|
| 441 | } |
|---|
| 442 | #endif |
|---|
| 443 | READ_FLAG( uiCode, "bitstream_restriction_flag"); pcVUI->setBitstreamRestrictionFlag(uiCode); |
|---|
| 444 | if (pcVUI->getBitstreamRestrictionFlag()) |
|---|
| 445 | { |
|---|
| 446 | READ_FLAG( uiCode, "tiles_fixed_structure_flag"); pcVUI->setTilesFixedStructureFlag(uiCode); |
|---|
| 447 | READ_FLAG( uiCode, "motion_vectors_over_pic_boundaries_flag"); pcVUI->setMotionVectorsOverPicBoundariesFlag(uiCode); |
|---|
| 448 | READ_FLAG( uiCode, "restricted_ref_pic_lists_flag"); pcVUI->setRestrictedRefPicListsFlag(uiCode); |
|---|
| 449 | #if L0043_MSS_IDC |
|---|
| 450 | READ_UVLC( uiCode, "min_spatial_segmentation_idc"); pcVUI->setMinSpatialSegmentationIdc(uiCode); |
|---|
| 451 | assert(uiCode < 4096); |
|---|
| 452 | #else |
|---|
| 453 | READ_CODE( 8, uiCode, "min_spatial_segmentation_idc"); pcVUI->setMinSpatialSegmentationIdc(uiCode); |
|---|
| 454 | #endif |
|---|
| 455 | READ_UVLC( uiCode, "max_bytes_per_pic_denom" ); pcVUI->setMaxBytesPerPicDenom(uiCode); |
|---|
| 456 | READ_UVLC( uiCode, "max_bits_per_mincu_denom" ); pcVUI->setMaxBitsPerMinCuDenom(uiCode); |
|---|
| 457 | READ_UVLC( uiCode, "log2_max_mv_length_horizontal" ); pcVUI->setLog2MaxMvLengthHorizontal(uiCode); |
|---|
| 458 | READ_UVLC( uiCode, "log2_max_mv_length_vertical" ); pcVUI->setLog2MaxMvLengthVertical(uiCode); |
|---|
| 459 | } |
|---|
| 460 | } |
|---|
| 461 | |
|---|
| 462 | Void TDecCavlc::parseHrdParameters(TComHRD *hrd, Bool commonInfPresentFlag, UInt maxNumSubLayersMinus1) |
|---|
| 463 | { |
|---|
| 464 | UInt uiCode; |
|---|
| 465 | if( commonInfPresentFlag ) |
|---|
| 466 | { |
|---|
| 467 | #if !L0043_TIMING_INFO |
|---|
| 468 | READ_FLAG( uiCode, "timing_info_present_flag" ); hrd->setTimingInfoPresentFlag( uiCode == 1 ? true : false ); |
|---|
| 469 | if( hrd->getTimingInfoPresentFlag() ) |
|---|
| 470 | { |
|---|
| 471 | READ_CODE( 32, uiCode, "num_units_in_tick" ); hrd->setNumUnitsInTick( uiCode ); |
|---|
| 472 | READ_CODE( 32, uiCode, "time_scale" ); hrd->setTimeScale( uiCode ); |
|---|
| 473 | } |
|---|
| 474 | #endif |
|---|
| 475 | READ_FLAG( uiCode, "nal_hrd_parameters_present_flag" ); hrd->setNalHrdParametersPresentFlag( uiCode == 1 ? true : false ); |
|---|
| 476 | READ_FLAG( uiCode, "vcl_hrd_parameters_present_flag" ); hrd->setVclHrdParametersPresentFlag( uiCode == 1 ? true : false ); |
|---|
| 477 | if( hrd->getNalHrdParametersPresentFlag() || hrd->getVclHrdParametersPresentFlag() ) |
|---|
| 478 | { |
|---|
| 479 | READ_FLAG( uiCode, "sub_pic_cpb_params_present_flag" ); hrd->setSubPicCpbParamsPresentFlag( uiCode == 1 ? true : false ); |
|---|
| 480 | if( hrd->getSubPicCpbParamsPresentFlag() ) |
|---|
| 481 | { |
|---|
| 482 | READ_CODE( 8, uiCode, "tick_divisor_minus2" ); hrd->setTickDivisorMinus2( uiCode ); |
|---|
| 483 | READ_CODE( 5, uiCode, "du_cpb_removal_delay_length_minus1" ); hrd->setDuCpbRemovalDelayLengthMinus1( uiCode ); |
|---|
| 484 | READ_FLAG( uiCode, "sub_pic_cpb_params_in_pic_timing_sei_flag" ); hrd->setSubPicCpbParamsInPicTimingSEIFlag( uiCode == 1 ? true : false ); |
|---|
| 485 | #if L0044_DU_DPB_OUTPUT_DELAY_HRD |
|---|
| 486 | READ_CODE( 5, uiCode, "dpb_output_delay_du_length_minus1" ); hrd->setDpbOutputDelayDuLengthMinus1( uiCode ); |
|---|
| 487 | #endif |
|---|
| 488 | } |
|---|
| 489 | READ_CODE( 4, uiCode, "bit_rate_scale" ); hrd->setBitRateScale( uiCode ); |
|---|
| 490 | READ_CODE( 4, uiCode, "cpb_size_scale" ); hrd->setCpbSizeScale( uiCode ); |
|---|
| 491 | if( hrd->getSubPicCpbParamsPresentFlag() ) |
|---|
| 492 | { |
|---|
| 493 | READ_CODE( 4, uiCode, "cpb_size_du_scale" ); hrd->setDuCpbSizeScale( uiCode ); |
|---|
| 494 | } |
|---|
| 495 | READ_CODE( 5, uiCode, "initial_cpb_removal_delay_length_minus1" ); hrd->setInitialCpbRemovalDelayLengthMinus1( uiCode ); |
|---|
| 496 | READ_CODE( 5, uiCode, "au_cpb_removal_delay_length_minus1" ); hrd->setCpbRemovalDelayLengthMinus1( uiCode ); |
|---|
| 497 | READ_CODE( 5, uiCode, "dpb_output_delay_length_minus1" ); hrd->setDpbOutputDelayLengthMinus1( uiCode ); |
|---|
| 498 | } |
|---|
| 499 | } |
|---|
| 500 | Int i, j, nalOrVcl; |
|---|
| 501 | for( i = 0; i <= maxNumSubLayersMinus1; i ++ ) |
|---|
| 502 | { |
|---|
| 503 | READ_FLAG( uiCode, "fixed_pic_rate_general_flag" ); hrd->setFixedPicRateFlag( i, uiCode == 1 ? true : false ); |
|---|
| 504 | if( !hrd->getFixedPicRateFlag( i ) ) |
|---|
| 505 | { |
|---|
| 506 | READ_FLAG( uiCode, "fixed_pic_rate_within_cvs_flag" ); hrd->setFixedPicRateWithinCvsFlag( i, uiCode == 1 ? true : false ); |
|---|
| 507 | } |
|---|
| 508 | else |
|---|
| 509 | { |
|---|
| 510 | hrd->setFixedPicRateWithinCvsFlag( i, true ); |
|---|
| 511 | } |
|---|
| 512 | #if L0372 |
|---|
| 513 | hrd->setLowDelayHrdFlag( i, 0 ); // Infered to be 0 when not present |
|---|
| 514 | hrd->setCpbCntMinus1 ( i, 0 ); // Infered to be 0 when not present |
|---|
| 515 | #endif |
|---|
| 516 | if( hrd->getFixedPicRateWithinCvsFlag( i ) ) |
|---|
| 517 | { |
|---|
| 518 | READ_UVLC( uiCode, "elemental_duration_in_tc_minus1" ); hrd->setPicDurationInTcMinus1( i, uiCode ); |
|---|
| 519 | } |
|---|
| 520 | #if L0372 |
|---|
| 521 | else |
|---|
| 522 | { |
|---|
| 523 | READ_FLAG( uiCode, "low_delay_hrd_flag" ); hrd->setLowDelayHrdFlag( i, uiCode == 1 ? true : false ); |
|---|
| 524 | } |
|---|
| 525 | if (!hrd->getLowDelayHrdFlag( i )) |
|---|
| 526 | { |
|---|
| 527 | READ_UVLC( uiCode, "cpb_cnt_minus1" ); hrd->setCpbCntMinus1( i, uiCode ); |
|---|
| 528 | } |
|---|
| 529 | #else |
|---|
| 530 | READ_FLAG( uiCode, "low_delay_hrd_flag" ); hrd->setLowDelayHrdFlag( i, uiCode == 1 ? true : false ); |
|---|
| 531 | READ_UVLC( uiCode, "cpb_cnt_minus1" ); hrd->setCpbCntMinus1( i, uiCode ); |
|---|
| 532 | #endif |
|---|
| 533 | for( nalOrVcl = 0; nalOrVcl < 2; nalOrVcl ++ ) |
|---|
| 534 | { |
|---|
| 535 | if( ( ( nalOrVcl == 0 ) && ( hrd->getNalHrdParametersPresentFlag() ) ) || |
|---|
| 536 | ( ( nalOrVcl == 1 ) && ( hrd->getVclHrdParametersPresentFlag() ) ) ) |
|---|
| 537 | { |
|---|
| 538 | for( j = 0; j <= ( hrd->getCpbCntMinus1( i ) ); j ++ ) |
|---|
| 539 | { |
|---|
| 540 | READ_UVLC( uiCode, "bit_rate_value_minus1" ); hrd->setBitRateValueMinus1( i, j, nalOrVcl, uiCode ); |
|---|
| 541 | READ_UVLC( uiCode, "cpb_size_value_minus1" ); hrd->setCpbSizeValueMinus1( i, j, nalOrVcl, uiCode ); |
|---|
| 542 | if( hrd->getSubPicCpbParamsPresentFlag() ) |
|---|
| 543 | { |
|---|
| 544 | #if L0363_DU_BIT_RATE |
|---|
| 545 | READ_UVLC( uiCode, "bit_rate_du_value_minus1" ); hrd->setDuBitRateValueMinus1( i, j, nalOrVcl, uiCode ); |
|---|
| 546 | #endif |
|---|
| 547 | READ_UVLC( uiCode, "cpb_size_du_value_minus1" ); hrd->setDuCpbSizeValueMinus1( i, j, nalOrVcl, uiCode ); |
|---|
| 548 | } |
|---|
| 549 | READ_FLAG( uiCode, "cbr_flag" ); hrd->setCbrFlag( i, j, nalOrVcl, uiCode == 1 ? true : false ); |
|---|
| 550 | } |
|---|
| 551 | } |
|---|
| 552 | } |
|---|
| 553 | } |
|---|
| 554 | } |
|---|
| 555 | |
|---|
| 556 | Void TDecCavlc::parseSPS(TComSPS* pcSPS) |
|---|
| 557 | { |
|---|
| 558 | #if ENC_DEC_TRACE |
|---|
| 559 | xTraceSPSHeader (pcSPS); |
|---|
| 560 | #endif |
|---|
| 561 | |
|---|
| 562 | UInt uiCode; |
|---|
| 563 | READ_CODE( 4, uiCode, "sps_video_parameter_set_id"); pcSPS->setVPSId ( uiCode ); |
|---|
| 564 | READ_CODE( 3, uiCode, "sps_max_sub_layers_minus1" ); pcSPS->setMaxTLayers ( uiCode+1 ); |
|---|
| 565 | READ_FLAG( uiCode, "sps_temporal_id_nesting_flag" ); pcSPS->setTemporalIdNestingFlag ( uiCode > 0 ? true : false ); |
|---|
| 566 | if ( pcSPS->getMaxTLayers() == 1 ) |
|---|
| 567 | { |
|---|
| 568 | // sps_temporal_id_nesting_flag must be 1 when sps_max_sub_layers_minus1 is 0 |
|---|
| 569 | assert( uiCode == 1 ); |
|---|
| 570 | } |
|---|
| 571 | |
|---|
| 572 | parsePTL(pcSPS->getPTL(), 1, pcSPS->getMaxTLayers() - 1); |
|---|
| 573 | READ_UVLC( uiCode, "sps_seq_parameter_set_id" ); pcSPS->setSPSId( uiCode ); |
|---|
| 574 | READ_UVLC( uiCode, "chroma_format_idc" ); pcSPS->setChromaFormatIdc( uiCode ); |
|---|
| 575 | // in the first version we only support chroma_format_idc equal to 1 (4:2:0), so separate_colour_plane_flag cannot appear in the bitstream |
|---|
| 576 | assert (uiCode == 1); |
|---|
| 577 | if( uiCode == 3 ) |
|---|
| 578 | { |
|---|
| 579 | READ_FLAG( uiCode, "separate_colour_plane_flag"); assert(uiCode == 0); |
|---|
| 580 | } |
|---|
| 581 | |
|---|
| 582 | READ_UVLC ( uiCode, "pic_width_in_luma_samples" ); pcSPS->setPicWidthInLumaSamples ( uiCode ); |
|---|
| 583 | READ_UVLC ( uiCode, "pic_height_in_luma_samples" ); pcSPS->setPicHeightInLumaSamples( uiCode ); |
|---|
| 584 | READ_FLAG( uiCode, "conformance_window_flag"); |
|---|
| 585 | if (uiCode != 0) |
|---|
| 586 | { |
|---|
| 587 | Window &conf = pcSPS->getConformanceWindow(); |
|---|
| 588 | READ_UVLC( uiCode, "conf_win_left_offset" ); conf.setWindowLeftOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc() ) ); |
|---|
| 589 | READ_UVLC( uiCode, "conf_win_right_offset" ); conf.setWindowRightOffset ( uiCode * TComSPS::getWinUnitX( pcSPS->getChromaFormatIdc() ) ); |
|---|
| 590 | READ_UVLC( uiCode, "conf_win_top_offset" ); conf.setWindowTopOffset ( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc() ) ); |
|---|
| 591 | READ_UVLC( uiCode, "conf_win_bottom_offset" ); conf.setWindowBottomOffset( uiCode * TComSPS::getWinUnitY( pcSPS->getChromaFormatIdc() ) ); |
|---|
| 592 | } |
|---|
| 593 | |
|---|
| 594 | READ_UVLC( uiCode, "bit_depth_luma_minus8" ); |
|---|
| 595 | g_bitDepthY = 8 + uiCode; |
|---|
| 596 | pcSPS->setBitDepthY(g_bitDepthY); |
|---|
| 597 | pcSPS->setQpBDOffsetY( (Int) (6*uiCode) ); |
|---|
| 598 | |
|---|
| 599 | READ_UVLC( uiCode, "bit_depth_chroma_minus8" ); |
|---|
| 600 | g_bitDepthC = 8 + uiCode; |
|---|
| 601 | pcSPS->setBitDepthC(g_bitDepthC); |
|---|
| 602 | pcSPS->setQpBDOffsetC( (Int) (6*uiCode) ); |
|---|
| 603 | |
|---|
| 604 | READ_UVLC( uiCode, "log2_max_pic_order_cnt_lsb_minus4" ); pcSPS->setBitsForPOC( 4 + uiCode ); |
|---|
| 605 | |
|---|
| 606 | UInt subLayerOrderingInfoPresentFlag; |
|---|
| 607 | READ_FLAG(subLayerOrderingInfoPresentFlag, "sps_sub_layer_ordering_info_present_flag"); |
|---|
| 608 | for(UInt i=0; i <= pcSPS->getMaxTLayers()-1; i++) |
|---|
| 609 | { |
|---|
| 610 | READ_UVLC ( uiCode, "sps_max_dec_pic_buffering"); |
|---|
| 611 | pcSPS->setMaxDecPicBuffering( uiCode, i); |
|---|
| 612 | READ_UVLC ( uiCode, "sps_num_reorder_pics" ); |
|---|
| 613 | pcSPS->setNumReorderPics(uiCode, i); |
|---|
| 614 | READ_UVLC ( uiCode, "sps_max_latency_increase"); |
|---|
| 615 | pcSPS->setMaxLatencyIncrease( uiCode, i ); |
|---|
| 616 | |
|---|
| 617 | if (!subLayerOrderingInfoPresentFlag) |
|---|
| 618 | { |
|---|
| 619 | for (i++; i <= pcSPS->getMaxTLayers()-1; i++) |
|---|
| 620 | { |
|---|
| 621 | pcSPS->setMaxDecPicBuffering(pcSPS->getMaxDecPicBuffering(0), i); |
|---|
| 622 | pcSPS->setNumReorderPics(pcSPS->getNumReorderPics(0), i); |
|---|
| 623 | pcSPS->setMaxLatencyIncrease(pcSPS->getMaxLatencyIncrease(0), i); |
|---|
| 624 | } |
|---|
| 625 | break; |
|---|
| 626 | } |
|---|
| 627 | } |
|---|
| 628 | |
|---|
| 629 | READ_UVLC( uiCode, "log2_min_coding_block_size_minus3" ); |
|---|
| 630 | UInt log2MinCUSize = uiCode + 3; |
|---|
| 631 | READ_UVLC( uiCode, "log2_diff_max_min_coding_block_size" ); |
|---|
| 632 | UInt uiMaxCUDepthCorrect = uiCode; |
|---|
| 633 | pcSPS->setMaxCUWidth ( 1<<(log2MinCUSize + uiMaxCUDepthCorrect) ); g_uiMaxCUWidth = 1<<(log2MinCUSize + uiMaxCUDepthCorrect); |
|---|
| 634 | pcSPS->setMaxCUHeight ( 1<<(log2MinCUSize + uiMaxCUDepthCorrect) ); g_uiMaxCUHeight = 1<<(log2MinCUSize + uiMaxCUDepthCorrect); |
|---|
| 635 | READ_UVLC( uiCode, "log2_min_transform_block_size_minus2" ); pcSPS->setQuadtreeTULog2MinSize( uiCode + 2 ); |
|---|
| 636 | |
|---|
| 637 | READ_UVLC( uiCode, "log2_diff_max_min_transform_block_size" ); pcSPS->setQuadtreeTULog2MaxSize( uiCode + pcSPS->getQuadtreeTULog2MinSize() ); |
|---|
| 638 | pcSPS->setMaxTrSize( 1<<(uiCode + pcSPS->getQuadtreeTULog2MinSize()) ); |
|---|
| 639 | |
|---|
| 640 | READ_UVLC( uiCode, "max_transform_hierarchy_depth_inter" ); pcSPS->setQuadtreeTUMaxDepthInter( uiCode+1 ); |
|---|
| 641 | READ_UVLC( uiCode, "max_transform_hierarchy_depth_intra" ); pcSPS->setQuadtreeTUMaxDepthIntra( uiCode+1 ); |
|---|
| 642 | g_uiAddCUDepth = 0; |
|---|
| 643 | while( ( pcSPS->getMaxCUWidth() >> uiMaxCUDepthCorrect ) > ( 1 << ( pcSPS->getQuadtreeTULog2MinSize() + g_uiAddCUDepth ) ) ) |
|---|
| 644 | { |
|---|
| 645 | g_uiAddCUDepth++; |
|---|
| 646 | } |
|---|
| 647 | pcSPS->setMaxCUDepth( uiMaxCUDepthCorrect+g_uiAddCUDepth ); |
|---|
| 648 | g_uiMaxCUDepth = uiMaxCUDepthCorrect+g_uiAddCUDepth; |
|---|
| 649 | // BB: these parameters may be removed completly and replaced by the fixed values |
|---|
| 650 | pcSPS->setMinTrDepth( 0 ); |
|---|
| 651 | pcSPS->setMaxTrDepth( 1 ); |
|---|
| 652 | READ_FLAG( uiCode, "scaling_list_enabled_flag" ); pcSPS->setScalingListFlag ( uiCode ); |
|---|
| 653 | if(pcSPS->getScalingListFlag()) |
|---|
| 654 | { |
|---|
| 655 | READ_FLAG( uiCode, "sps_scaling_list_data_present_flag" ); pcSPS->setScalingListPresentFlag ( uiCode ); |
|---|
| 656 | if(pcSPS->getScalingListPresentFlag ()) |
|---|
| 657 | { |
|---|
| 658 | parseScalingList( pcSPS->getScalingList() ); |
|---|
| 659 | } |
|---|
| 660 | } |
|---|
| 661 | READ_FLAG( uiCode, "amp_enabled_flag" ); pcSPS->setUseAMP( uiCode ); |
|---|
| 662 | READ_FLAG( uiCode, "sample_adaptive_offset_enabled_flag" ); pcSPS->setUseSAO ( uiCode ? true : false ); |
|---|
| 663 | |
|---|
| 664 | READ_FLAG( uiCode, "pcm_enabled_flag" ); pcSPS->setUsePCM( uiCode ? true : false ); |
|---|
| 665 | if( pcSPS->getUsePCM() ) |
|---|
| 666 | { |
|---|
| 667 | READ_CODE( 4, uiCode, "pcm_sample_bit_depth_luma_minus1" ); pcSPS->setPCMBitDepthLuma ( 1 + uiCode ); |
|---|
| 668 | READ_CODE( 4, uiCode, "pcm_sample_bit_depth_chroma_minus1" ); pcSPS->setPCMBitDepthChroma ( 1 + uiCode ); |
|---|
| 669 | READ_UVLC( uiCode, "log2_min_pcm_luma_coding_block_size_minus3" ); pcSPS->setPCMLog2MinSize (uiCode+3); |
|---|
| 670 | READ_UVLC( uiCode, "log2_diff_max_min_pcm_luma_coding_block_size" ); pcSPS->setPCMLog2MaxSize ( uiCode+pcSPS->getPCMLog2MinSize() ); |
|---|
| 671 | READ_FLAG( uiCode, "pcm_loop_filter_disable_flag" ); pcSPS->setPCMFilterDisableFlag ( uiCode ? true : false ); |
|---|
| 672 | } |
|---|
| 673 | |
|---|
| 674 | READ_UVLC( uiCode, "num_short_term_ref_pic_sets" ); |
|---|
| 675 | pcSPS->createRPSList(uiCode); |
|---|
| 676 | |
|---|
| 677 | TComRPSList* rpsList = pcSPS->getRPSList(); |
|---|
| 678 | TComReferencePictureSet* rps; |
|---|
| 679 | |
|---|
| 680 | for(UInt i=0; i< rpsList->getNumberOfReferencePictureSets(); i++) |
|---|
| 681 | { |
|---|
| 682 | rps = rpsList->getReferencePictureSet(i); |
|---|
| 683 | parseShortTermRefPicSet(pcSPS,rps,i); |
|---|
| 684 | } |
|---|
| 685 | READ_FLAG( uiCode, "long_term_ref_pics_present_flag" ); pcSPS->setLongTermRefsPresent(uiCode); |
|---|
| 686 | if (pcSPS->getLongTermRefsPresent()) |
|---|
| 687 | { |
|---|
| 688 | READ_UVLC( uiCode, "num_long_term_ref_pic_sps" ); |
|---|
| 689 | pcSPS->setNumLongTermRefPicSPS(uiCode); |
|---|
| 690 | for (UInt k = 0; k < pcSPS->getNumLongTermRefPicSPS(); k++) |
|---|
| 691 | { |
|---|
| 692 | READ_CODE( pcSPS->getBitsForPOC(), uiCode, "lt_ref_pic_poc_lsb_sps" ); |
|---|
| 693 | pcSPS->setLtRefPicPocLsbSps(k, uiCode); |
|---|
| 694 | READ_FLAG( uiCode, "used_by_curr_pic_lt_sps_flag[i]"); |
|---|
| 695 | pcSPS->setUsedByCurrPicLtSPSFlag(k, uiCode?1:0); |
|---|
| 696 | } |
|---|
| 697 | } |
|---|
| 698 | READ_FLAG( uiCode, "sps_temporal_mvp_enable_flag" ); pcSPS->setTMVPFlagsPresent(uiCode); |
|---|
| 699 | #if REF_IDX_MFM |
|---|
| 700 | if(pcSPS->getLayerId() > 0) |
|---|
| 701 | { |
|---|
| 702 | READ_FLAG( uiCode, "sps_enh_mfm_enable_flag" ); |
|---|
| 703 | pcSPS->setMFMEnabledFlag( uiCode ? true : false ); |
|---|
| 704 | assert(pcSPS->getMFMEnabledFlag()); |
|---|
| 705 | } |
|---|
| 706 | #endif |
|---|
| 707 | READ_FLAG( uiCode, "sps_strong_intra_smoothing_enable_flag" ); pcSPS->setUseStrongIntraSmoothing(uiCode); |
|---|
| 708 | |
|---|
| 709 | READ_FLAG( uiCode, "vui_parameters_present_flag" ); pcSPS->setVuiParametersPresentFlag(uiCode); |
|---|
| 710 | |
|---|
| 711 | if (pcSPS->getVuiParametersPresentFlag()) |
|---|
| 712 | { |
|---|
| 713 | parseVUI(pcSPS->getVuiParameters(), pcSPS); |
|---|
| 714 | } |
|---|
| 715 | |
|---|
| 716 | READ_FLAG( uiCode, "sps_extension_flag"); |
|---|
| 717 | if (uiCode) |
|---|
| 718 | { |
|---|
| 719 | while ( xMoreRbspData() ) |
|---|
| 720 | { |
|---|
| 721 | READ_FLAG( uiCode, "sps_extension_data_flag"); |
|---|
| 722 | } |
|---|
| 723 | } |
|---|
| 724 | } |
|---|
| 725 | |
|---|
| 726 | Void TDecCavlc::parseVPS(TComVPS* pcVPS) |
|---|
| 727 | { |
|---|
| 728 | UInt uiCode; |
|---|
| 729 | |
|---|
| 730 | READ_CODE( 4, uiCode, "vps_video_parameter_set_id" ); pcVPS->setVPSId( uiCode ); |
|---|
| 731 | READ_CODE( 2, uiCode, "vps_reserved_three_2bits" ); assert(uiCode == 3); |
|---|
| 732 | READ_CODE( 6, uiCode, "vps_reserved_zero_6bits" ); assert(uiCode == 0); |
|---|
| 733 | READ_CODE( 3, uiCode, "vps_max_sub_layers_minus1" ); pcVPS->setMaxTLayers( uiCode + 1 ); |
|---|
| 734 | READ_FLAG( uiCode, "vps_temporal_id_nesting_flag" ); pcVPS->setTemporalNestingFlag( uiCode ? true:false ); |
|---|
| 735 | assert (pcVPS->getMaxTLayers()>1||pcVPS->getTemporalNestingFlag()); |
|---|
| 736 | READ_CODE( 16, uiCode, "vps_reserved_ffff_16bits" ); assert(uiCode == 0xffff); |
|---|
| 737 | parsePTL ( pcVPS->getPTL(), true, pcVPS->getMaxTLayers()-1); |
|---|
| 738 | #if SIGNAL_BITRATE_PICRATE_IN_VPS |
|---|
| 739 | parseBitratePicRateInfo( pcVPS->getBitratePicrateInfo(), 0, pcVPS->getMaxTLayers() - 1); |
|---|
| 740 | #endif |
|---|
| 741 | UInt subLayerOrderingInfoPresentFlag; |
|---|
| 742 | READ_FLAG(subLayerOrderingInfoPresentFlag, "vps_sub_layer_ordering_info_present_flag"); |
|---|
| 743 | for(UInt i = 0; i <= pcVPS->getMaxTLayers()-1; i++) |
|---|
| 744 | { |
|---|
| 745 | READ_UVLC( uiCode, "vps_max_dec_pic_buffering[i]" ); pcVPS->setMaxDecPicBuffering( uiCode, i ); |
|---|
| 746 | READ_UVLC( uiCode, "vps_num_reorder_pics[i]" ); pcVPS->setNumReorderPics( uiCode, i ); |
|---|
| 747 | READ_UVLC( uiCode, "vps_max_latency_increase[i]" ); pcVPS->setMaxLatencyIncrease( uiCode, i ); |
|---|
| 748 | |
|---|
| 749 | if (!subLayerOrderingInfoPresentFlag) |
|---|
| 750 | { |
|---|
| 751 | for (i++; i <= pcVPS->getMaxTLayers()-1; i++) |
|---|
| 752 | { |
|---|
| 753 | pcVPS->setMaxDecPicBuffering(pcVPS->getMaxDecPicBuffering(0), i); |
|---|
| 754 | pcVPS->setNumReorderPics(pcVPS->getNumReorderPics(0), i); |
|---|
| 755 | pcVPS->setMaxLatencyIncrease(pcVPS->getMaxLatencyIncrease(0), i); |
|---|
| 756 | } |
|---|
| 757 | break; |
|---|
| 758 | } |
|---|
| 759 | } |
|---|
| 760 | |
|---|
| 761 | assert( pcVPS->getNumHrdParameters() < MAX_VPS_OP_SETS_PLUS1 ); |
|---|
| 762 | assert( pcVPS->getMaxNuhReservedZeroLayerId() < MAX_VPS_NUH_RESERVED_ZERO_LAYER_ID_PLUS1 ); |
|---|
| 763 | READ_CODE( 6, uiCode, "vps_max_nuh_reserved_zero_layer_id" ); pcVPS->setMaxNuhReservedZeroLayerId( uiCode ); |
|---|
| 764 | READ_UVLC( uiCode, "vps_max_op_sets_minus1" ); pcVPS->setMaxOpSets( uiCode + 1 ); |
|---|
| 765 | for( UInt opsIdx = 1; opsIdx <= ( pcVPS->getMaxOpSets() - 1 ); opsIdx ++ ) |
|---|
| 766 | { |
|---|
| 767 | // Operation point set |
|---|
| 768 | for( UInt i = 0; i <= pcVPS->getMaxNuhReservedZeroLayerId(); i ++ ) |
|---|
| 769 | { |
|---|
| 770 | READ_FLAG( uiCode, "layer_id_included_flag[opsIdx][i]" ); pcVPS->setLayerIdIncludedFlag( uiCode == 1 ? true : false, opsIdx, i ); |
|---|
| 771 | } |
|---|
| 772 | } |
|---|
| 773 | #if L0043_TIMING_INFO |
|---|
| 774 | TimingInfo *timingInfo = pcVPS->getTimingInfo(); |
|---|
| 775 | READ_FLAG( uiCode, "vps_timing_info_present_flag"); timingInfo->setTimingInfoPresentFlag (uiCode ? true : false); |
|---|
| 776 | if(timingInfo->getTimingInfoPresentFlag()) |
|---|
| 777 | { |
|---|
| 778 | READ_CODE( 32, uiCode, "vps_num_units_in_tick"); timingInfo->setNumUnitsInTick (uiCode); |
|---|
| 779 | READ_CODE( 32, uiCode, "vps_time_scale"); timingInfo->setTimeScale (uiCode); |
|---|
| 780 | READ_FLAG( uiCode, "vps_poc_proportional_to_timing_flag"); timingInfo->setPocProportionalToTimingFlag(uiCode ? true : false); |
|---|
| 781 | if(timingInfo->getPocProportionalToTimingFlag()) |
|---|
| 782 | { |
|---|
| 783 | READ_UVLC( uiCode, "vps_num_ticks_poc_diff_one_minus1"); timingInfo->setNumTicksPocDiffOneMinus1 (uiCode); |
|---|
| 784 | } |
|---|
| 785 | #endif |
|---|
| 786 | READ_UVLC( uiCode, "vps_num_hrd_parameters" ); pcVPS->setNumHrdParameters( uiCode ); |
|---|
| 787 | |
|---|
| 788 | if( pcVPS->getNumHrdParameters() > 0 ) |
|---|
| 789 | { |
|---|
| 790 | pcVPS->createHrdParamBuffer(); |
|---|
| 791 | } |
|---|
| 792 | for( UInt i = 0; i < pcVPS->getNumHrdParameters(); i ++ ) |
|---|
| 793 | { |
|---|
| 794 | READ_UVLC( uiCode, "hrd_op_set_idx" ); pcVPS->setHrdOpSetIdx( uiCode, i ); |
|---|
| 795 | if( i > 0 ) |
|---|
| 796 | { |
|---|
| 797 | READ_FLAG( uiCode, "cprms_present_flag[i]" ); pcVPS->setCprmsPresentFlag( uiCode == 1 ? true : false, i ); |
|---|
| 798 | } |
|---|
| 799 | parseHrdParameters(pcVPS->getHrdParameters(i), pcVPS->getCprmsPresentFlag( i ), pcVPS->getMaxTLayers() - 1); |
|---|
| 800 | } |
|---|
| 801 | #if L0043_TIMING_INFO |
|---|
| 802 | } |
|---|
| 803 | #endif |
|---|
| 804 | READ_FLAG( uiCode, "vps_extension_flag" ); |
|---|
| 805 | if (uiCode) |
|---|
| 806 | { |
|---|
| 807 | while ( xMoreRbspData() ) |
|---|
| 808 | { |
|---|
| 809 | READ_FLAG( uiCode, "vps_extension_data_flag"); |
|---|
| 810 | } |
|---|
| 811 | } |
|---|
| 812 | |
|---|
| 813 | return; |
|---|
| 814 | } |
|---|
| 815 | |
|---|
| 816 | Void TDecCavlc::parseSliceHeader (TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager) |
|---|
| 817 | { |
|---|
| 818 | UInt uiCode; |
|---|
| 819 | Int iCode; |
|---|
| 820 | |
|---|
| 821 | #if ENC_DEC_TRACE |
|---|
| 822 | xTraceSliceHeader(rpcSlice); |
|---|
| 823 | #endif |
|---|
| 824 | TComPPS* pps = NULL; |
|---|
| 825 | TComSPS* sps = NULL; |
|---|
| 826 | |
|---|
| 827 | UInt firstSliceSegmentInPic; |
|---|
| 828 | READ_FLAG( firstSliceSegmentInPic, "first_slice_segment_in_pic_flag" ); |
|---|
| 829 | if( rpcSlice->getRapPicFlag()) |
|---|
| 830 | { |
|---|
| 831 | READ_FLAG( uiCode, "no_output_of_prior_pics_flag" ); //ignored |
|---|
| 832 | } |
|---|
| 833 | READ_UVLC ( uiCode, "slice_pic_parameter_set_id" ); rpcSlice->setPPSId(uiCode); |
|---|
| 834 | pps = parameterSetManager->getPrefetchedPPS(uiCode); |
|---|
| 835 | //!KS: need to add error handling code here, if PPS is not available |
|---|
| 836 | assert(pps!=0); |
|---|
| 837 | sps = parameterSetManager->getPrefetchedSPS(pps->getSPSId()); |
|---|
| 838 | //!KS: need to add error handling code here, if SPS is not available |
|---|
| 839 | assert(sps!=0); |
|---|
| 840 | rpcSlice->setSPS(sps); |
|---|
| 841 | rpcSlice->setPPS(pps); |
|---|
| 842 | if( pps->getDependentSliceSegmentsEnabledFlag() && ( !firstSliceSegmentInPic )) |
|---|
| 843 | { |
|---|
| 844 | READ_FLAG( uiCode, "dependent_slice_segment_flag" ); rpcSlice->setDependentSliceSegmentFlag(uiCode ? true : false); |
|---|
| 845 | } |
|---|
| 846 | else |
|---|
| 847 | { |
|---|
| 848 | rpcSlice->setDependentSliceSegmentFlag(false); |
|---|
| 849 | } |
|---|
| 850 | Int numCTUs = ((sps->getPicWidthInLumaSamples()+sps->getMaxCUWidth()-1)/sps->getMaxCUWidth())*((sps->getPicHeightInLumaSamples()+sps->getMaxCUHeight()-1)/sps->getMaxCUHeight()); |
|---|
| 851 | Int maxParts = (1<<(sps->getMaxCUDepth()<<1)); |
|---|
| 852 | UInt sliceSegmentAddress = 0; |
|---|
| 853 | Int bitsSliceSegmentAddress = 0; |
|---|
| 854 | while(numCTUs>(1<<bitsSliceSegmentAddress)) |
|---|
| 855 | { |
|---|
| 856 | bitsSliceSegmentAddress++; |
|---|
| 857 | } |
|---|
| 858 | |
|---|
| 859 | if(!firstSliceSegmentInPic) |
|---|
| 860 | { |
|---|
| 861 | READ_CODE( bitsSliceSegmentAddress, sliceSegmentAddress, "slice_segment_address" ); |
|---|
| 862 | } |
|---|
| 863 | //set uiCode to equal slice start address (or dependent slice start address) |
|---|
| 864 | Int startCuAddress = maxParts*sliceSegmentAddress; |
|---|
| 865 | rpcSlice->setSliceSegmentCurStartCUAddr( startCuAddress ); |
|---|
| 866 | rpcSlice->setSliceSegmentCurEndCUAddr(numCTUs*maxParts); |
|---|
| 867 | |
|---|
| 868 | if (rpcSlice->getDependentSliceSegmentFlag()) |
|---|
| 869 | { |
|---|
| 870 | rpcSlice->setNextSlice ( false ); |
|---|
| 871 | rpcSlice->setNextSliceSegment ( true ); |
|---|
| 872 | } |
|---|
| 873 | else |
|---|
| 874 | { |
|---|
| 875 | rpcSlice->setNextSlice ( true ); |
|---|
| 876 | rpcSlice->setNextSliceSegment ( false ); |
|---|
| 877 | |
|---|
| 878 | rpcSlice->setSliceCurStartCUAddr(startCuAddress); |
|---|
| 879 | rpcSlice->setSliceCurEndCUAddr(numCTUs*maxParts); |
|---|
| 880 | } |
|---|
| 881 | |
|---|
| 882 | if(!rpcSlice->getDependentSliceSegmentFlag()) |
|---|
| 883 | { |
|---|
| 884 | for (Int i = 0; i < rpcSlice->getPPS()->getNumExtraSliceHeaderBits(); i++) |
|---|
| 885 | { |
|---|
| 886 | READ_FLAG(uiCode, "slice_reserved_undetermined_flag[]"); // ignored |
|---|
| 887 | } |
|---|
| 888 | |
|---|
| 889 | READ_UVLC ( uiCode, "slice_type" ); rpcSlice->setSliceType((SliceType)uiCode); |
|---|
| 890 | if( pps->getOutputFlagPresentFlag() ) |
|---|
| 891 | { |
|---|
| 892 | READ_FLAG( uiCode, "pic_output_flag" ); rpcSlice->setPicOutputFlag( uiCode ? true : false ); |
|---|
| 893 | } |
|---|
| 894 | else |
|---|
| 895 | { |
|---|
| 896 | rpcSlice->setPicOutputFlag( true ); |
|---|
| 897 | } |
|---|
| 898 | // in the first version chroma_format_idc is equal to one, thus colour_plane_id will not be present |
|---|
| 899 | assert (sps->getChromaFormatIdc() == 1 ); |
|---|
| 900 | // if( separate_colour_plane_flag == 1 ) |
|---|
| 901 | // colour_plane_id u(2) |
|---|
| 902 | |
|---|
| 903 | if( rpcSlice->getIdrPicFlag() ) |
|---|
| 904 | { |
|---|
| 905 | rpcSlice->setPOC(0); |
|---|
| 906 | TComReferencePictureSet* rps = rpcSlice->getLocalRPS(); |
|---|
| 907 | rps->setNumberOfNegativePictures(0); |
|---|
| 908 | rps->setNumberOfPositivePictures(0); |
|---|
| 909 | rps->setNumberOfLongtermPictures(0); |
|---|
| 910 | rps->setNumberOfPictures(0); |
|---|
| 911 | rpcSlice->setRPS(rps); |
|---|
| 912 | } |
|---|
| 913 | else |
|---|
| 914 | { |
|---|
| 915 | READ_CODE(sps->getBitsForPOC(), uiCode, "pic_order_cnt_lsb"); |
|---|
| 916 | Int iPOClsb = uiCode; |
|---|
| 917 | Int iPrevPOC = rpcSlice->getPrevPOC(); |
|---|
| 918 | Int iMaxPOClsb = 1<< sps->getBitsForPOC(); |
|---|
| 919 | Int iPrevPOClsb = iPrevPOC%iMaxPOClsb; |
|---|
| 920 | Int iPrevPOCmsb = iPrevPOC-iPrevPOClsb; |
|---|
| 921 | Int iPOCmsb; |
|---|
| 922 | if( ( iPOClsb < iPrevPOClsb ) && ( ( iPrevPOClsb - iPOClsb ) >= ( iMaxPOClsb / 2 ) ) ) |
|---|
| 923 | { |
|---|
| 924 | iPOCmsb = iPrevPOCmsb + iMaxPOClsb; |
|---|
| 925 | } |
|---|
| 926 | else if( (iPOClsb > iPrevPOClsb ) && ( (iPOClsb - iPrevPOClsb ) > ( iMaxPOClsb / 2 ) ) ) |
|---|
| 927 | { |
|---|
| 928 | iPOCmsb = iPrevPOCmsb - iMaxPOClsb; |
|---|
| 929 | } |
|---|
| 930 | else |
|---|
| 931 | { |
|---|
| 932 | iPOCmsb = iPrevPOCmsb; |
|---|
| 933 | } |
|---|
| 934 | if ( rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA |
|---|
| 935 | || rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLANT |
|---|
| 936 | || rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP ) |
|---|
| 937 | { |
|---|
| 938 | // For BLA picture types, POCmsb is set to 0. |
|---|
| 939 | iPOCmsb = 0; |
|---|
| 940 | } |
|---|
| 941 | rpcSlice->setPOC (iPOCmsb+iPOClsb); |
|---|
| 942 | |
|---|
| 943 | TComReferencePictureSet* rps; |
|---|
| 944 | READ_FLAG( uiCode, "short_term_ref_pic_set_sps_flag" ); |
|---|
| 945 | if(uiCode == 0) // use short-term reference picture set explicitly signalled in slice header |
|---|
| 946 | { |
|---|
| 947 | rps = rpcSlice->getLocalRPS(); |
|---|
| 948 | parseShortTermRefPicSet(sps,rps, sps->getRPSList()->getNumberOfReferencePictureSets()); |
|---|
| 949 | rpcSlice->setRPS(rps); |
|---|
| 950 | } |
|---|
| 951 | else // use reference to short-term reference picture set in PPS |
|---|
| 952 | { |
|---|
| 953 | Int numBits = 0; |
|---|
| 954 | while ((1 << numBits) < rpcSlice->getSPS()->getRPSList()->getNumberOfReferencePictureSets()) |
|---|
| 955 | { |
|---|
| 956 | numBits++; |
|---|
| 957 | } |
|---|
| 958 | if (numBits > 0) |
|---|
| 959 | { |
|---|
| 960 | READ_CODE( numBits, uiCode, "short_term_ref_pic_set_idx"); |
|---|
| 961 | } |
|---|
| 962 | else |
|---|
| 963 | { |
|---|
| 964 | uiCode = 0; |
|---|
| 965 | } |
|---|
| 966 | rpcSlice->setRPS(sps->getRPSList()->getReferencePictureSet(uiCode)); |
|---|
| 967 | |
|---|
| 968 | rps = rpcSlice->getRPS(); |
|---|
| 969 | } |
|---|
| 970 | if(sps->getLongTermRefsPresent()) |
|---|
| 971 | { |
|---|
| 972 | Int offset = rps->getNumberOfNegativePictures()+rps->getNumberOfPositivePictures(); |
|---|
| 973 | UInt numOfLtrp = 0; |
|---|
| 974 | UInt numLtrpInSPS = 0; |
|---|
| 975 | if (rpcSlice->getSPS()->getNumLongTermRefPicSPS() > 0) |
|---|
| 976 | { |
|---|
| 977 | READ_UVLC( uiCode, "num_long_term_sps"); |
|---|
| 978 | numLtrpInSPS = uiCode; |
|---|
| 979 | numOfLtrp += numLtrpInSPS; |
|---|
| 980 | rps->setNumberOfLongtermPictures(numOfLtrp); |
|---|
| 981 | } |
|---|
| 982 | Int bitsForLtrpInSPS = 0; |
|---|
| 983 | while (rpcSlice->getSPS()->getNumLongTermRefPicSPS() > (1 << bitsForLtrpInSPS)) |
|---|
| 984 | { |
|---|
| 985 | bitsForLtrpInSPS++; |
|---|
| 986 | } |
|---|
| 987 | READ_UVLC( uiCode, "num_long_term_pics"); rps->setNumberOfLongtermPictures(uiCode); |
|---|
| 988 | numOfLtrp += uiCode; |
|---|
| 989 | rps->setNumberOfLongtermPictures(numOfLtrp); |
|---|
| 990 | Int maxPicOrderCntLSB = 1 << rpcSlice->getSPS()->getBitsForPOC(); |
|---|
| 991 | Int prevLSB = 0, prevDeltaMSB = 0, deltaPocMSBCycleLT = 0;; |
|---|
| 992 | for(Int j=offset+rps->getNumberOfLongtermPictures()-1, k = 0; k < numOfLtrp; j--, k++) |
|---|
| 993 | { |
|---|
| 994 | Int pocLsbLt; |
|---|
| 995 | if (k < numLtrpInSPS) |
|---|
| 996 | { |
|---|
| 997 | uiCode = 0; |
|---|
| 998 | if (bitsForLtrpInSPS > 0) |
|---|
| 999 | { |
|---|
| 1000 | READ_CODE(bitsForLtrpInSPS, uiCode, "lt_idx_sps[i]"); |
|---|
| 1001 | } |
|---|
| 1002 | Int usedByCurrFromSPS=rpcSlice->getSPS()->getUsedByCurrPicLtSPSFlag(uiCode); |
|---|
| 1003 | |
|---|
| 1004 | pocLsbLt = rpcSlice->getSPS()->getLtRefPicPocLsbSps(uiCode); |
|---|
| 1005 | rps->setUsed(j,usedByCurrFromSPS); |
|---|
| 1006 | } |
|---|
| 1007 | else |
|---|
| 1008 | { |
|---|
| 1009 | READ_CODE(rpcSlice->getSPS()->getBitsForPOC(), uiCode, "poc_lsb_lt"); pocLsbLt= uiCode; |
|---|
| 1010 | READ_FLAG( uiCode, "used_by_curr_pic_lt_flag"); rps->setUsed(j,uiCode); |
|---|
| 1011 | } |
|---|
| 1012 | READ_FLAG(uiCode,"delta_poc_msb_present_flag"); |
|---|
| 1013 | Bool mSBPresentFlag = uiCode ? true : false; |
|---|
| 1014 | if(mSBPresentFlag) |
|---|
| 1015 | { |
|---|
| 1016 | READ_UVLC( uiCode, "delta_poc_msb_cycle_lt[i]" ); |
|---|
| 1017 | Bool deltaFlag = false; |
|---|
| 1018 | // First LTRP || First LTRP from SH || curr LSB != prev LSB |
|---|
| 1019 | if( (j == offset+rps->getNumberOfLongtermPictures()-1) || (j == offset+(numOfLtrp-numLtrpInSPS)-1) || (pocLsbLt != prevLSB) ) |
|---|
| 1020 | { |
|---|
| 1021 | deltaFlag = true; |
|---|
| 1022 | } |
|---|
| 1023 | if(deltaFlag) |
|---|
| 1024 | { |
|---|
| 1025 | deltaPocMSBCycleLT = uiCode; |
|---|
| 1026 | } |
|---|
| 1027 | else |
|---|
| 1028 | { |
|---|
| 1029 | deltaPocMSBCycleLT = uiCode + prevDeltaMSB; |
|---|
| 1030 | } |
|---|
| 1031 | |
|---|
| 1032 | Int pocLTCurr = rpcSlice->getPOC() - deltaPocMSBCycleLT * maxPicOrderCntLSB |
|---|
| 1033 | - iPOClsb + pocLsbLt; |
|---|
| 1034 | rps->setPOC (j, pocLTCurr); |
|---|
| 1035 | rps->setDeltaPOC(j, - rpcSlice->getPOC() + pocLTCurr); |
|---|
| 1036 | rps->setCheckLTMSBPresent(j,true); |
|---|
| 1037 | } |
|---|
| 1038 | else |
|---|
| 1039 | { |
|---|
| 1040 | rps->setPOC (j, pocLsbLt); |
|---|
| 1041 | rps->setDeltaPOC(j, - rpcSlice->getPOC() + pocLsbLt); |
|---|
| 1042 | rps->setCheckLTMSBPresent(j,false); |
|---|
| 1043 | } |
|---|
| 1044 | prevLSB = pocLsbLt; |
|---|
| 1045 | prevDeltaMSB = deltaPocMSBCycleLT; |
|---|
| 1046 | } |
|---|
| 1047 | offset += rps->getNumberOfLongtermPictures(); |
|---|
| 1048 | rps->setNumberOfPictures(offset); |
|---|
| 1049 | } |
|---|
| 1050 | if ( rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA |
|---|
| 1051 | || rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLANT |
|---|
| 1052 | || rpcSlice->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP ) |
|---|
| 1053 | { |
|---|
| 1054 | // In the case of BLA picture types, rps data is read from slice header but ignored |
|---|
| 1055 | rps = rpcSlice->getLocalRPS(); |
|---|
| 1056 | rps->setNumberOfNegativePictures(0); |
|---|
| 1057 | rps->setNumberOfPositivePictures(0); |
|---|
| 1058 | rps->setNumberOfLongtermPictures(0); |
|---|
| 1059 | rps->setNumberOfPictures(0); |
|---|
| 1060 | rpcSlice->setRPS(rps); |
|---|
| 1061 | } |
|---|
| 1062 | if (rpcSlice->getSPS()->getTMVPFlagsPresent()) |
|---|
| 1063 | { |
|---|
| 1064 | READ_FLAG( uiCode, "slice_temporal_mvp_enable_flag" ); |
|---|
| 1065 | rpcSlice->setEnableTMVPFlag( uiCode == 1 ? true : false ); |
|---|
| 1066 | } |
|---|
| 1067 | else |
|---|
| 1068 | { |
|---|
| 1069 | rpcSlice->setEnableTMVPFlag(false); |
|---|
| 1070 | } |
|---|
| 1071 | } |
|---|
| 1072 | if(sps->getUseSAO()) |
|---|
| 1073 | { |
|---|
| 1074 | READ_FLAG(uiCode, "slice_sao_luma_flag"); rpcSlice->setSaoEnabledFlag((Bool)uiCode); |
|---|
| 1075 | READ_FLAG(uiCode, "slice_sao_chroma_flag"); rpcSlice->setSaoEnabledFlagChroma((Bool)uiCode); |
|---|
| 1076 | } |
|---|
| 1077 | |
|---|
| 1078 | if (rpcSlice->getIdrPicFlag()) |
|---|
| 1079 | { |
|---|
| 1080 | rpcSlice->setEnableTMVPFlag(false); |
|---|
| 1081 | } |
|---|
| 1082 | if (!rpcSlice->isIntra()) |
|---|
| 1083 | { |
|---|
| 1084 | |
|---|
| 1085 | READ_FLAG( uiCode, "num_ref_idx_active_override_flag"); |
|---|
| 1086 | if (uiCode) |
|---|
| 1087 | { |
|---|
| 1088 | READ_UVLC (uiCode, "num_ref_idx_l0_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_0, uiCode + 1 ); |
|---|
| 1089 | if (rpcSlice->isInterB()) |
|---|
| 1090 | { |
|---|
| 1091 | READ_UVLC (uiCode, "num_ref_idx_l1_active_minus1" ); rpcSlice->setNumRefIdx( REF_PIC_LIST_1, uiCode + 1 ); |
|---|
| 1092 | } |
|---|
| 1093 | else |
|---|
| 1094 | { |
|---|
| 1095 | rpcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); |
|---|
| 1096 | } |
|---|
| 1097 | } |
|---|
| 1098 | else |
|---|
| 1099 | { |
|---|
| 1100 | rpcSlice->setNumRefIdx(REF_PIC_LIST_0, rpcSlice->getPPS()->getNumRefIdxL0DefaultActive()); |
|---|
| 1101 | if (rpcSlice->isInterB()) |
|---|
| 1102 | { |
|---|
| 1103 | rpcSlice->setNumRefIdx(REF_PIC_LIST_1, rpcSlice->getPPS()->getNumRefIdxL1DefaultActive()); |
|---|
| 1104 | } |
|---|
| 1105 | else |
|---|
| 1106 | { |
|---|
| 1107 | rpcSlice->setNumRefIdx(REF_PIC_LIST_1,0); |
|---|
| 1108 | } |
|---|
| 1109 | } |
|---|
| 1110 | } |
|---|
| 1111 | // } |
|---|
| 1112 | TComRefPicListModification* refPicListModification = rpcSlice->getRefPicListModification(); |
|---|
| 1113 | if(!rpcSlice->isIntra()) |
|---|
| 1114 | { |
|---|
| 1115 | if( !rpcSlice->getPPS()->getListsModificationPresentFlag() || rpcSlice->getNumRpsCurrTempList() <= 1 ) |
|---|
| 1116 | { |
|---|
| 1117 | refPicListModification->setRefPicListModificationFlagL0( 0 ); |
|---|
| 1118 | } |
|---|
| 1119 | else |
|---|
| 1120 | { |
|---|
| 1121 | READ_FLAG( uiCode, "ref_pic_list_modification_flag_l0" ); refPicListModification->setRefPicListModificationFlagL0( uiCode ? 1 : 0 ); |
|---|
| 1122 | } |
|---|
| 1123 | |
|---|
| 1124 | if(refPicListModification->getRefPicListModificationFlagL0()) |
|---|
| 1125 | { |
|---|
| 1126 | uiCode = 0; |
|---|
| 1127 | Int i = 0; |
|---|
| 1128 | Int numRpsCurrTempList0 = rpcSlice->getNumRpsCurrTempList(); |
|---|
| 1129 | if ( numRpsCurrTempList0 > 1 ) |
|---|
| 1130 | { |
|---|
| 1131 | Int length = 1; |
|---|
| 1132 | numRpsCurrTempList0 --; |
|---|
| 1133 | while ( numRpsCurrTempList0 >>= 1) |
|---|
| 1134 | { |
|---|
| 1135 | length ++; |
|---|
| 1136 | } |
|---|
| 1137 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++) |
|---|
| 1138 | { |
|---|
| 1139 | READ_CODE( length, uiCode, "list_entry_l0" ); |
|---|
| 1140 | refPicListModification->setRefPicSetIdxL0(i, uiCode ); |
|---|
| 1141 | } |
|---|
| 1142 | } |
|---|
| 1143 | else |
|---|
| 1144 | { |
|---|
| 1145 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_0); i ++) |
|---|
| 1146 | { |
|---|
| 1147 | refPicListModification->setRefPicSetIdxL0(i, 0 ); |
|---|
| 1148 | } |
|---|
| 1149 | } |
|---|
| 1150 | } |
|---|
| 1151 | } |
|---|
| 1152 | else |
|---|
| 1153 | { |
|---|
| 1154 | refPicListModification->setRefPicListModificationFlagL0(0); |
|---|
| 1155 | } |
|---|
| 1156 | if(rpcSlice->isInterB()) |
|---|
| 1157 | { |
|---|
| 1158 | if( !rpcSlice->getPPS()->getListsModificationPresentFlag() || rpcSlice->getNumRpsCurrTempList() <= 1 ) |
|---|
| 1159 | { |
|---|
| 1160 | refPicListModification->setRefPicListModificationFlagL1( 0 ); |
|---|
| 1161 | } |
|---|
| 1162 | else |
|---|
| 1163 | { |
|---|
| 1164 | READ_FLAG( uiCode, "ref_pic_list_modification_flag_l1" ); refPicListModification->setRefPicListModificationFlagL1( uiCode ? 1 : 0 ); |
|---|
| 1165 | } |
|---|
| 1166 | if(refPicListModification->getRefPicListModificationFlagL1()) |
|---|
| 1167 | { |
|---|
| 1168 | uiCode = 0; |
|---|
| 1169 | Int i = 0; |
|---|
| 1170 | Int numRpsCurrTempList1 = rpcSlice->getNumRpsCurrTempList(); |
|---|
| 1171 | if ( numRpsCurrTempList1 > 1 ) |
|---|
| 1172 | { |
|---|
| 1173 | Int length = 1; |
|---|
| 1174 | numRpsCurrTempList1 --; |
|---|
| 1175 | while ( numRpsCurrTempList1 >>= 1) |
|---|
| 1176 | { |
|---|
| 1177 | length ++; |
|---|
| 1178 | } |
|---|
| 1179 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++) |
|---|
| 1180 | { |
|---|
| 1181 | READ_CODE( length, uiCode, "list_entry_l1" ); |
|---|
| 1182 | refPicListModification->setRefPicSetIdxL1(i, uiCode ); |
|---|
| 1183 | } |
|---|
| 1184 | } |
|---|
| 1185 | else |
|---|
| 1186 | { |
|---|
| 1187 | for (i = 0; i < rpcSlice->getNumRefIdx(REF_PIC_LIST_1); i ++) |
|---|
| 1188 | { |
|---|
| 1189 | refPicListModification->setRefPicSetIdxL1(i, 0 ); |
|---|
| 1190 | } |
|---|
| 1191 | } |
|---|
| 1192 | } |
|---|
| 1193 | } |
|---|
| 1194 | else |
|---|
| 1195 | { |
|---|
| 1196 | refPicListModification->setRefPicListModificationFlagL1(0); |
|---|
| 1197 | } |
|---|
| 1198 | if (rpcSlice->isInterB()) |
|---|
| 1199 | { |
|---|
| 1200 | READ_FLAG( uiCode, "mvd_l1_zero_flag" ); rpcSlice->setMvdL1ZeroFlag( (uiCode ? true : false) ); |
|---|
| 1201 | } |
|---|
| 1202 | |
|---|
| 1203 | rpcSlice->setCabacInitFlag( false ); // default |
|---|
| 1204 | if(pps->getCabacInitPresentFlag() && !rpcSlice->isIntra()) |
|---|
| 1205 | { |
|---|
| 1206 | READ_FLAG(uiCode, "cabac_init_flag"); |
|---|
| 1207 | rpcSlice->setCabacInitFlag( uiCode ? true : false ); |
|---|
| 1208 | } |
|---|
| 1209 | |
|---|
| 1210 | if ( rpcSlice->getEnableTMVPFlag() ) |
|---|
| 1211 | { |
|---|
| 1212 | if ( rpcSlice->getSliceType() == B_SLICE ) |
|---|
| 1213 | { |
|---|
| 1214 | READ_FLAG( uiCode, "collocated_from_l0_flag" ); |
|---|
| 1215 | rpcSlice->setColFromL0Flag(uiCode); |
|---|
| 1216 | } |
|---|
| 1217 | else |
|---|
| 1218 | { |
|---|
| 1219 | rpcSlice->setColFromL0Flag( 1 ); |
|---|
| 1220 | } |
|---|
| 1221 | |
|---|
| 1222 | if ( rpcSlice->getSliceType() != I_SLICE && |
|---|
| 1223 | ((rpcSlice->getColFromL0Flag() == 1 && rpcSlice->getNumRefIdx(REF_PIC_LIST_0) > 1)|| |
|---|
| 1224 | (rpcSlice->getColFromL0Flag() == 0 && rpcSlice->getNumRefIdx(REF_PIC_LIST_1) > 1))) |
|---|
| 1225 | { |
|---|
| 1226 | READ_UVLC( uiCode, "collocated_ref_idx" ); |
|---|
| 1227 | rpcSlice->setColRefIdx(uiCode); |
|---|
| 1228 | } |
|---|
| 1229 | else |
|---|
| 1230 | { |
|---|
| 1231 | rpcSlice->setColRefIdx(0); |
|---|
| 1232 | } |
|---|
| 1233 | } |
|---|
| 1234 | if ( (pps->getUseWP() && rpcSlice->getSliceType()==P_SLICE) || (pps->getWPBiPred() && rpcSlice->getSliceType()==B_SLICE) ) |
|---|
| 1235 | { |
|---|
| 1236 | xParsePredWeightTable(rpcSlice); |
|---|
| 1237 | rpcSlice->initWpScaling(); |
|---|
| 1238 | } |
|---|
| 1239 | if (!rpcSlice->isIntra()) |
|---|
| 1240 | { |
|---|
| 1241 | READ_UVLC( uiCode, "five_minus_max_num_merge_cand"); |
|---|
| 1242 | rpcSlice->setMaxNumMergeCand(MRG_MAX_NUM_CANDS - uiCode); |
|---|
| 1243 | } |
|---|
| 1244 | |
|---|
| 1245 | READ_SVLC( iCode, "slice_qp_delta" ); |
|---|
| 1246 | rpcSlice->setSliceQp (26 + pps->getPicInitQPMinus26() + iCode); |
|---|
| 1247 | |
|---|
| 1248 | assert( rpcSlice->getSliceQp() >= -sps->getQpBDOffsetY() ); |
|---|
| 1249 | assert( rpcSlice->getSliceQp() <= 51 ); |
|---|
| 1250 | |
|---|
| 1251 | if (rpcSlice->getPPS()->getSliceChromaQpFlag()) |
|---|
| 1252 | { |
|---|
| 1253 | READ_SVLC( iCode, "slice_qp_delta_cb" ); |
|---|
| 1254 | rpcSlice->setSliceQpDeltaCb( iCode ); |
|---|
| 1255 | assert( rpcSlice->getSliceQpDeltaCb() >= -12 ); |
|---|
| 1256 | assert( rpcSlice->getSliceQpDeltaCb() <= 12 ); |
|---|
| 1257 | assert( (rpcSlice->getPPS()->getChromaCbQpOffset() + rpcSlice->getSliceQpDeltaCb()) >= -12 ); |
|---|
| 1258 | assert( (rpcSlice->getPPS()->getChromaCbQpOffset() + rpcSlice->getSliceQpDeltaCb()) <= 12 ); |
|---|
| 1259 | |
|---|
| 1260 | READ_SVLC( iCode, "slice_qp_delta_cr" ); |
|---|
| 1261 | rpcSlice->setSliceQpDeltaCr( iCode ); |
|---|
| 1262 | assert( rpcSlice->getSliceQpDeltaCr() >= -12 ); |
|---|
| 1263 | assert( rpcSlice->getSliceQpDeltaCr() <= 12 ); |
|---|
| 1264 | assert( (rpcSlice->getPPS()->getChromaCrQpOffset() + rpcSlice->getSliceQpDeltaCr()) >= -12 ); |
|---|
| 1265 | assert( (rpcSlice->getPPS()->getChromaCrQpOffset() + rpcSlice->getSliceQpDeltaCr()) <= 12 ); |
|---|
| 1266 | } |
|---|
| 1267 | |
|---|
| 1268 | if (rpcSlice->getPPS()->getDeblockingFilterControlPresentFlag()) |
|---|
| 1269 | { |
|---|
| 1270 | if(rpcSlice->getPPS()->getDeblockingFilterOverrideEnabledFlag()) |
|---|
| 1271 | { |
|---|
| 1272 | READ_FLAG ( uiCode, "deblocking_filter_override_flag" ); rpcSlice->setDeblockingFilterOverrideFlag(uiCode ? true : false); |
|---|
| 1273 | } |
|---|
| 1274 | else |
|---|
| 1275 | { |
|---|
| 1276 | rpcSlice->setDeblockingFilterOverrideFlag(0); |
|---|
| 1277 | } |
|---|
| 1278 | if(rpcSlice->getDeblockingFilterOverrideFlag()) |
|---|
| 1279 | { |
|---|
| 1280 | READ_FLAG ( uiCode, "slice_disable_deblocking_filter_flag" ); rpcSlice->setDeblockingFilterDisable(uiCode ? 1 : 0); |
|---|
| 1281 | if(!rpcSlice->getDeblockingFilterDisable()) |
|---|
| 1282 | { |
|---|
| 1283 | READ_SVLC( iCode, "beta_offset_div2" ); rpcSlice->setDeblockingFilterBetaOffsetDiv2(iCode); |
|---|
| 1284 | READ_SVLC( iCode, "tc_offset_div2" ); rpcSlice->setDeblockingFilterTcOffsetDiv2(iCode); |
|---|
| 1285 | } |
|---|
| 1286 | } |
|---|
| 1287 | else |
|---|
| 1288 | { |
|---|
| 1289 | rpcSlice->setDeblockingFilterDisable ( rpcSlice->getPPS()->getPicDisableDeblockingFilterFlag() ); |
|---|
| 1290 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( rpcSlice->getPPS()->getDeblockingFilterBetaOffsetDiv2() ); |
|---|
| 1291 | rpcSlice->setDeblockingFilterTcOffsetDiv2 ( rpcSlice->getPPS()->getDeblockingFilterTcOffsetDiv2() ); |
|---|
| 1292 | } |
|---|
| 1293 | } |
|---|
| 1294 | else |
|---|
| 1295 | { |
|---|
| 1296 | rpcSlice->setDeblockingFilterDisable ( false ); |
|---|
| 1297 | rpcSlice->setDeblockingFilterBetaOffsetDiv2( 0 ); |
|---|
| 1298 | rpcSlice->setDeblockingFilterTcOffsetDiv2 ( 0 ); |
|---|
| 1299 | } |
|---|
| 1300 | |
|---|
| 1301 | Bool isSAOEnabled = (!rpcSlice->getSPS()->getUseSAO())?(false):(rpcSlice->getSaoEnabledFlag()||rpcSlice->getSaoEnabledFlagChroma()); |
|---|
| 1302 | Bool isDBFEnabled = (!rpcSlice->getDeblockingFilterDisable()); |
|---|
| 1303 | |
|---|
| 1304 | if(rpcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag() && ( isSAOEnabled || isDBFEnabled )) |
|---|
| 1305 | { |
|---|
| 1306 | READ_FLAG( uiCode, "slice_loop_filter_across_slices_enabled_flag"); |
|---|
| 1307 | } |
|---|
| 1308 | else |
|---|
| 1309 | { |
|---|
| 1310 | uiCode = rpcSlice->getPPS()->getLoopFilterAcrossSlicesEnabledFlag()?1:0; |
|---|
| 1311 | } |
|---|
| 1312 | rpcSlice->setLFCrossSliceBoundaryFlag( (uiCode==1)?true:false); |
|---|
| 1313 | |
|---|
| 1314 | } |
|---|
| 1315 | |
|---|
| 1316 | if( pps->getTilesEnabledFlag() || pps->getEntropyCodingSyncEnabledFlag() ) |
|---|
| 1317 | { |
|---|
| 1318 | UInt *entryPointOffset = NULL; |
|---|
| 1319 | UInt numEntryPointOffsets, offsetLenMinus1; |
|---|
| 1320 | |
|---|
| 1321 | READ_UVLC(numEntryPointOffsets, "num_entry_point_offsets"); rpcSlice->setNumEntryPointOffsets ( numEntryPointOffsets ); |
|---|
| 1322 | if (numEntryPointOffsets>0) |
|---|
| 1323 | { |
|---|
| 1324 | READ_UVLC(offsetLenMinus1, "offset_len_minus1"); |
|---|
| 1325 | } |
|---|
| 1326 | entryPointOffset = new UInt[numEntryPointOffsets]; |
|---|
| 1327 | for (UInt idx=0; idx<numEntryPointOffsets; idx++) |
|---|
| 1328 | { |
|---|
| 1329 | #if L0116_ENTRY_POINT |
|---|
| 1330 | READ_CODE(offsetLenMinus1+1, uiCode, "entry_point_offset_minus1"); |
|---|
| 1331 | entryPointOffset[ idx ] = uiCode + 1; |
|---|
| 1332 | #else |
|---|
| 1333 | READ_CODE(offsetLenMinus1+1, uiCode, "entry_point_offset"); |
|---|
| 1334 | entryPointOffset[ idx ] = uiCode; |
|---|
| 1335 | #endif |
|---|
| 1336 | } |
|---|
| 1337 | |
|---|
| 1338 | if ( pps->getTilesEnabledFlag() ) |
|---|
| 1339 | { |
|---|
| 1340 | rpcSlice->setTileLocationCount( numEntryPointOffsets ); |
|---|
| 1341 | |
|---|
| 1342 | UInt prevPos = 0; |
|---|
| 1343 | for (Int idx=0; idx<rpcSlice->getTileLocationCount(); idx++) |
|---|
| 1344 | { |
|---|
| 1345 | rpcSlice->setTileLocation( idx, prevPos + entryPointOffset [ idx ] ); |
|---|
| 1346 | prevPos += entryPointOffset[ idx ]; |
|---|
| 1347 | } |
|---|
| 1348 | } |
|---|
| 1349 | else if ( pps->getEntropyCodingSyncEnabledFlag() ) |
|---|
| 1350 | { |
|---|
| 1351 | Int numSubstreams = rpcSlice->getNumEntryPointOffsets()+1; |
|---|
| 1352 | rpcSlice->allocSubstreamSizes(numSubstreams); |
|---|
| 1353 | UInt *pSubstreamSizes = rpcSlice->getSubstreamSizes(); |
|---|
| 1354 | for (Int idx=0; idx<numSubstreams-1; idx++) |
|---|
| 1355 | { |
|---|
| 1356 | if ( idx < numEntryPointOffsets ) |
|---|
| 1357 | { |
|---|
| 1358 | pSubstreamSizes[ idx ] = ( entryPointOffset[ idx ] << 3 ) ; |
|---|
| 1359 | } |
|---|
| 1360 | else |
|---|
| 1361 | { |
|---|
| 1362 | pSubstreamSizes[ idx ] = 0; |
|---|
| 1363 | } |
|---|
| 1364 | } |
|---|
| 1365 | } |
|---|
| 1366 | |
|---|
| 1367 | if (entryPointOffset) |
|---|
| 1368 | { |
|---|
| 1369 | delete [] entryPointOffset; |
|---|
| 1370 | } |
|---|
| 1371 | } |
|---|
| 1372 | else |
|---|
| 1373 | { |
|---|
| 1374 | rpcSlice->setNumEntryPointOffsets ( 0 ); |
|---|
| 1375 | } |
|---|
| 1376 | |
|---|
| 1377 | if(pps->getSliceHeaderExtensionPresentFlag()) |
|---|
| 1378 | { |
|---|
| 1379 | READ_UVLC(uiCode,"slice_header_extension_length"); |
|---|
| 1380 | for(Int i=0; i<uiCode; i++) |
|---|
| 1381 | { |
|---|
| 1382 | UInt ignore; |
|---|
| 1383 | READ_CODE(8,ignore,"slice_header_extension_data_byte"); |
|---|
| 1384 | } |
|---|
| 1385 | } |
|---|
| 1386 | m_pcBitstream->readByteAlignment(); |
|---|
| 1387 | return; |
|---|
| 1388 | } |
|---|
| 1389 | |
|---|
| 1390 | Void TDecCavlc::parsePTL( TComPTL *rpcPTL, Bool profilePresentFlag, Int maxNumSubLayersMinus1 ) |
|---|
| 1391 | { |
|---|
| 1392 | UInt uiCode; |
|---|
| 1393 | if(profilePresentFlag) |
|---|
| 1394 | { |
|---|
| 1395 | parseProfileTier(rpcPTL->getGeneralPTL()); |
|---|
| 1396 | } |
|---|
| 1397 | READ_CODE( 8, uiCode, "general_level_idc" ); rpcPTL->getGeneralPTL()->setLevelIdc(uiCode); |
|---|
| 1398 | |
|---|
| 1399 | #if L0363_BYTE_ALIGN |
|---|
| 1400 | for (Int i = 0; i < maxNumSubLayersMinus1; i++) |
|---|
| 1401 | { |
|---|
| 1402 | if(profilePresentFlag) |
|---|
| 1403 | { |
|---|
| 1404 | READ_FLAG( uiCode, "sub_layer_profile_present_flag[i]" ); rpcPTL->setSubLayerProfilePresentFlag(i, uiCode); |
|---|
| 1405 | } |
|---|
| 1406 | READ_FLAG( uiCode, "sub_layer_level_present_flag[i]" ); rpcPTL->setSubLayerLevelPresentFlag (i, uiCode); |
|---|
| 1407 | } |
|---|
| 1408 | |
|---|
| 1409 | if (maxNumSubLayersMinus1 > 0) |
|---|
| 1410 | { |
|---|
| 1411 | for (Int i = maxNumSubLayersMinus1; i < 8; i++) |
|---|
| 1412 | { |
|---|
| 1413 | READ_CODE(2, uiCode, "reserved_zero_2bits"); |
|---|
| 1414 | assert(uiCode == 0); |
|---|
| 1415 | } |
|---|
| 1416 | } |
|---|
| 1417 | #endif |
|---|
| 1418 | |
|---|
| 1419 | for(Int i = 0; i < maxNumSubLayersMinus1; i++) |
|---|
| 1420 | { |
|---|
| 1421 | #if !L0363_BYTE_ALIGN |
|---|
| 1422 | if(profilePresentFlag) |
|---|
| 1423 | { |
|---|
| 1424 | READ_FLAG( uiCode, "sub_layer_profile_present_flag[i]" ); rpcPTL->setSubLayerProfilePresentFlag(i, uiCode); |
|---|
| 1425 | } |
|---|
| 1426 | READ_FLAG( uiCode, "sub_layer_level_present_flag[i]" ); rpcPTL->setSubLayerLevelPresentFlag (i, uiCode); |
|---|
| 1427 | #endif |
|---|
| 1428 | if( profilePresentFlag && rpcPTL->getSubLayerProfilePresentFlag(i) ) |
|---|
| 1429 | { |
|---|
| 1430 | parseProfileTier(rpcPTL->getSubLayerPTL(i)); |
|---|
| 1431 | } |
|---|
| 1432 | if(rpcPTL->getSubLayerLevelPresentFlag(i)) |
|---|
| 1433 | { |
|---|
| 1434 | READ_CODE( 8, uiCode, "sub_layer_level_idc[i]" ); rpcPTL->getSubLayerPTL(i)->setLevelIdc(uiCode); |
|---|
| 1435 | } |
|---|
| 1436 | } |
|---|
| 1437 | } |
|---|
| 1438 | |
|---|
| 1439 | Void TDecCavlc::parseProfileTier(ProfileTierLevel *ptl) |
|---|
| 1440 | { |
|---|
| 1441 | UInt uiCode; |
|---|
| 1442 | READ_CODE(2 , uiCode, "XXX_profile_space[]"); ptl->setProfileSpace(uiCode); |
|---|
| 1443 | READ_FLAG( uiCode, "XXX_tier_flag[]" ); ptl->setTierFlag (uiCode ? 1 : 0); |
|---|
| 1444 | READ_CODE(5 , uiCode, "XXX_profile_idc[]" ); ptl->setProfileIdc (uiCode); |
|---|
| 1445 | for(Int j = 0; j < 32; j++) |
|---|
| 1446 | { |
|---|
| 1447 | READ_FLAG( uiCode, "XXX_profile_compatibility_flag[][j]"); ptl->setProfileCompatibilityFlag(j, uiCode ? 1 : 0); |
|---|
| 1448 | } |
|---|
| 1449 | #if L0046_CONSTRAINT_FLAGS |
|---|
| 1450 | READ_FLAG(uiCode, "general_progressive_source_flag"); |
|---|
| 1451 | ptl->setProgressiveSourceFlag(uiCode ? true : false); |
|---|
| 1452 | |
|---|
| 1453 | READ_FLAG(uiCode, "general_interlaced_source_flag"); |
|---|
| 1454 | ptl->setInterlacedSourceFlag(uiCode ? true : false); |
|---|
| 1455 | |
|---|
| 1456 | READ_FLAG(uiCode, "general_non_packed_constraint_flag"); |
|---|
| 1457 | ptl->setNonPackedConstraintFlag(uiCode ? true : false); |
|---|
| 1458 | |
|---|
| 1459 | READ_FLAG(uiCode, "general_frame_only_constraint_flag"); |
|---|
| 1460 | ptl->setFrameOnlyConstraintFlag(uiCode ? true : false); |
|---|
| 1461 | |
|---|
| 1462 | READ_CODE(16, uiCode, "XXX_reserved_zero_44bits[0..15]"); |
|---|
| 1463 | READ_CODE(16, uiCode, "XXX_reserved_zero_44bits[16..31]"); |
|---|
| 1464 | READ_CODE(12, uiCode, "XXX_reserved_zero_44bits[32..43]"); |
|---|
| 1465 | #elif L0363_MORE_BITS |
|---|
| 1466 | READ_CODE(16, uiCode, "XXX_reserved_zero_48bits[0..15]"); |
|---|
| 1467 | READ_CODE(16, uiCode, "XXX_reserved_zero_48bits[16..31]"); |
|---|
| 1468 | READ_CODE(16, uiCode, "XXX_reserved_zero_48bits[32..47]"); |
|---|
| 1469 | #else |
|---|
| 1470 | READ_CODE(16, uiCode, "XXX_reserved_zero_16bits[]"); assert( uiCode == 0 ); |
|---|
| 1471 | #endif |
|---|
| 1472 | } |
|---|
| 1473 | #if SIGNAL_BITRATE_PICRATE_IN_VPS |
|---|
| 1474 | Void TDecCavlc::parseBitratePicRateInfo(TComBitRatePicRateInfo *info, Int tempLevelLow, Int tempLevelHigh) |
|---|
| 1475 | { |
|---|
| 1476 | UInt uiCode; |
|---|
| 1477 | for(Int i = tempLevelLow; i <= tempLevelHigh; i++) |
|---|
| 1478 | { |
|---|
| 1479 | READ_FLAG( uiCode, "bit_rate_info_present_flag[i]" ); info->setBitRateInfoPresentFlag(i, uiCode ? true : false); |
|---|
| 1480 | READ_FLAG( uiCode, "pic_rate_info_present_flag[i]" ); info->setPicRateInfoPresentFlag(i, uiCode ? true : false); |
|---|
| 1481 | if(info->getBitRateInfoPresentFlag(i)) |
|---|
| 1482 | { |
|---|
| 1483 | READ_CODE( 16, uiCode, "avg_bit_rate[i]" ); info->setAvgBitRate(i, uiCode); |
|---|
| 1484 | READ_CODE( 16, uiCode, "max_bit_rate[i]" ); info->setMaxBitRate(i, uiCode); |
|---|
| 1485 | } |
|---|
| 1486 | if(info->getPicRateInfoPresentFlag(i)) |
|---|
| 1487 | { |
|---|
| 1488 | READ_CODE( 2, uiCode, "constant_pic_rate_idc[i]" ); info->setConstantPicRateIdc(i, uiCode); |
|---|
| 1489 | READ_CODE( 16, uiCode, "avg_pic_rate[i]" ); info->setAvgPicRate(i, uiCode); |
|---|
| 1490 | } |
|---|
| 1491 | } |
|---|
| 1492 | } |
|---|
| 1493 | #endif |
|---|
| 1494 | Void TDecCavlc::parseTerminatingBit( UInt& ruiBit ) |
|---|
| 1495 | { |
|---|
| 1496 | ruiBit = false; |
|---|
| 1497 | Int iBitsLeft = m_pcBitstream->getNumBitsLeft(); |
|---|
| 1498 | if(iBitsLeft <= 8) |
|---|
| 1499 | { |
|---|
| 1500 | UInt uiPeekValue = m_pcBitstream->peekBits(iBitsLeft); |
|---|
| 1501 | if (uiPeekValue == (1<<(iBitsLeft-1))) |
|---|
| 1502 | { |
|---|
| 1503 | ruiBit = true; |
|---|
| 1504 | } |
|---|
| 1505 | } |
|---|
| 1506 | } |
|---|
| 1507 | |
|---|
| 1508 | Void TDecCavlc::parseSkipFlag( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) |
|---|
| 1509 | { |
|---|
| 1510 | assert(0); |
|---|
| 1511 | } |
|---|
| 1512 | |
|---|
| 1513 | Void TDecCavlc::parseCUTransquantBypassFlag( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) |
|---|
| 1514 | { |
|---|
| 1515 | assert(0); |
|---|
| 1516 | } |
|---|
| 1517 | |
|---|
| 1518 | Void TDecCavlc::parseMVPIdx( Int& /*riMVPIdx*/ ) |
|---|
| 1519 | { |
|---|
| 1520 | assert(0); |
|---|
| 1521 | } |
|---|
| 1522 | |
|---|
| 1523 | Void TDecCavlc::parseSplitFlag ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) |
|---|
| 1524 | { |
|---|
| 1525 | assert(0); |
|---|
| 1526 | } |
|---|
| 1527 | |
|---|
| 1528 | Void TDecCavlc::parsePartSize( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) |
|---|
| 1529 | { |
|---|
| 1530 | assert(0); |
|---|
| 1531 | } |
|---|
| 1532 | |
|---|
| 1533 | Void TDecCavlc::parsePredMode( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) |
|---|
| 1534 | { |
|---|
| 1535 | assert(0); |
|---|
| 1536 | } |
|---|
| 1537 | |
|---|
| 1538 | /** Parse I_PCM information. |
|---|
| 1539 | * \param pcCU pointer to CU |
|---|
| 1540 | * \param uiAbsPartIdx CU index |
|---|
| 1541 | * \param uiDepth CU depth |
|---|
| 1542 | * \returns Void |
|---|
| 1543 | * |
|---|
| 1544 | * If I_PCM flag indicates that the CU is I_PCM, parse its PCM alignment bits and codes. |
|---|
| 1545 | */ |
|---|
| 1546 | Void TDecCavlc::parseIPCMInfo( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) |
|---|
| 1547 | { |
|---|
| 1548 | assert(0); |
|---|
| 1549 | } |
|---|
| 1550 | |
|---|
| 1551 | Void TDecCavlc::parseIntraDirLumaAng ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) |
|---|
| 1552 | { |
|---|
| 1553 | assert(0); |
|---|
| 1554 | } |
|---|
| 1555 | |
|---|
| 1556 | Void TDecCavlc::parseIntraDirChroma( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/ ) |
|---|
| 1557 | { |
|---|
| 1558 | assert(0); |
|---|
| 1559 | } |
|---|
| 1560 | |
|---|
| 1561 | Void TDecCavlc::parseInterDir( TComDataCU* /*pcCU*/, UInt& /*ruiInterDir*/, UInt /*uiAbsPartIdx*/ ) |
|---|
| 1562 | { |
|---|
| 1563 | assert(0); |
|---|
| 1564 | } |
|---|
| 1565 | |
|---|
| 1566 | Void TDecCavlc::parseRefFrmIdx( TComDataCU* /*pcCU*/, Int& /*riRefFrmIdx*/, RefPicList /*eRefList*/ ) |
|---|
| 1567 | { |
|---|
| 1568 | assert(0); |
|---|
| 1569 | } |
|---|
| 1570 | |
|---|
| 1571 | Void TDecCavlc::parseMvd( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiPartIdx*/, UInt /*uiDepth*/, RefPicList /*eRefList*/ ) |
|---|
| 1572 | { |
|---|
| 1573 | assert(0); |
|---|
| 1574 | } |
|---|
| 1575 | |
|---|
| 1576 | Void TDecCavlc::parseDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
|---|
| 1577 | { |
|---|
| 1578 | Int qp; |
|---|
| 1579 | Int iDQp; |
|---|
| 1580 | |
|---|
| 1581 | xReadSvlc( iDQp ); |
|---|
| 1582 | |
|---|
| 1583 | Int qpBdOffsetY = pcCU->getSlice()->getSPS()->getQpBDOffsetY(); |
|---|
| 1584 | qp = (((Int) pcCU->getRefQP( uiAbsPartIdx ) + iDQp + 52 + 2*qpBdOffsetY )%(52+ qpBdOffsetY)) - qpBdOffsetY; |
|---|
| 1585 | |
|---|
| 1586 | UInt uiAbsQpCUPartIdx = (uiAbsPartIdx>>((g_uiMaxCUDepth - pcCU->getSlice()->getPPS()->getMaxCuDQPDepth())<<1))<<((g_uiMaxCUDepth - pcCU->getSlice()->getPPS()->getMaxCuDQPDepth())<<1) ; |
|---|
| 1587 | UInt uiQpCUDepth = min(uiDepth,pcCU->getSlice()->getPPS()->getMaxCuDQPDepth()) ; |
|---|
| 1588 | |
|---|
| 1589 | pcCU->setQPSubParts( qp, uiAbsQpCUPartIdx, uiQpCUDepth ); |
|---|
| 1590 | } |
|---|
| 1591 | |
|---|
| 1592 | Void TDecCavlc::parseCoeffNxN( TComDataCU* /*pcCU*/, TCoeff* /*pcCoef*/, UInt /*uiAbsPartIdx*/, UInt /*uiWidth*/, UInt /*uiHeight*/, UInt /*uiDepth*/, TextType /*eTType*/ ) |
|---|
| 1593 | { |
|---|
| 1594 | assert(0); |
|---|
| 1595 | } |
|---|
| 1596 | |
|---|
| 1597 | Void TDecCavlc::parseTransformSubdivFlag( UInt& /*ruiSubdivFlag*/, UInt /*uiLog2TransformBlockSize*/ ) |
|---|
| 1598 | { |
|---|
| 1599 | assert(0); |
|---|
| 1600 | } |
|---|
| 1601 | |
|---|
| 1602 | Void TDecCavlc::parseQtCbf( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, TextType /*eType*/, UInt /*uiTrDepth*/, UInt /*uiDepth*/ ) |
|---|
| 1603 | { |
|---|
| 1604 | assert(0); |
|---|
| 1605 | } |
|---|
| 1606 | |
|---|
| 1607 | Void TDecCavlc::parseQtRootCbf( UInt /*uiAbsPartIdx*/, UInt& /*uiQtRootCbf*/ ) |
|---|
| 1608 | { |
|---|
| 1609 | assert(0); |
|---|
| 1610 | } |
|---|
| 1611 | |
|---|
| 1612 | Void TDecCavlc::parseTransformSkipFlags (TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*width*/, UInt /*height*/, UInt /*uiDepth*/, TextType /*eTType*/) |
|---|
| 1613 | { |
|---|
| 1614 | assert(0); |
|---|
| 1615 | } |
|---|
| 1616 | |
|---|
| 1617 | Void TDecCavlc::parseMergeFlag ( TComDataCU* /*pcCU*/, UInt /*uiAbsPartIdx*/, UInt /*uiDepth*/, UInt /*uiPUIdx*/ ) |
|---|
| 1618 | { |
|---|
| 1619 | assert(0); |
|---|
| 1620 | } |
|---|
| 1621 | |
|---|
| 1622 | Void TDecCavlc::parseMergeIndex ( TComDataCU* /*pcCU*/, UInt& /*ruiMergeIndex*/ ) |
|---|
| 1623 | { |
|---|
| 1624 | assert(0); |
|---|
| 1625 | } |
|---|
| 1626 | |
|---|
| 1627 | // ==================================================================================================================== |
|---|
| 1628 | // Protected member functions |
|---|
| 1629 | // ==================================================================================================================== |
|---|
| 1630 | |
|---|
| 1631 | |
|---|
| 1632 | /** Parse PCM alignment zero bits. |
|---|
| 1633 | * \returns Void |
|---|
| 1634 | */ |
|---|
| 1635 | Void TDecCavlc::xReadPCMAlignZero( ) |
|---|
| 1636 | { |
|---|
| 1637 | UInt uiNumberOfBits = m_pcBitstream->getNumBitsUntilByteAligned(); |
|---|
| 1638 | |
|---|
| 1639 | if(uiNumberOfBits) |
|---|
| 1640 | { |
|---|
| 1641 | UInt uiBits; |
|---|
| 1642 | UInt uiSymbol; |
|---|
| 1643 | |
|---|
| 1644 | for(uiBits = 0; uiBits < uiNumberOfBits; uiBits++) |
|---|
| 1645 | { |
|---|
| 1646 | xReadFlag( uiSymbol ); |
|---|
| 1647 | assert( uiSymbol == 0 ); |
|---|
| 1648 | } |
|---|
| 1649 | } |
|---|
| 1650 | } |
|---|
| 1651 | |
|---|
| 1652 | Void TDecCavlc::xReadUnaryMaxSymbol( UInt& ruiSymbol, UInt uiMaxSymbol ) |
|---|
| 1653 | { |
|---|
| 1654 | if (uiMaxSymbol == 0) |
|---|
| 1655 | { |
|---|
| 1656 | ruiSymbol = 0; |
|---|
| 1657 | return; |
|---|
| 1658 | } |
|---|
| 1659 | |
|---|
| 1660 | xReadFlag( ruiSymbol ); |
|---|
| 1661 | |
|---|
| 1662 | if (ruiSymbol == 0 || uiMaxSymbol == 1) |
|---|
| 1663 | { |
|---|
| 1664 | return; |
|---|
| 1665 | } |
|---|
| 1666 | |
|---|
| 1667 | UInt uiSymbol = 0; |
|---|
| 1668 | UInt uiCont; |
|---|
| 1669 | |
|---|
| 1670 | do |
|---|
| 1671 | { |
|---|
| 1672 | xReadFlag( uiCont ); |
|---|
| 1673 | uiSymbol++; |
|---|
| 1674 | } |
|---|
| 1675 | while( uiCont && (uiSymbol < uiMaxSymbol-1) ); |
|---|
| 1676 | |
|---|
| 1677 | if( uiCont && (uiSymbol == uiMaxSymbol-1) ) |
|---|
| 1678 | { |
|---|
| 1679 | uiSymbol++; |
|---|
| 1680 | } |
|---|
| 1681 | |
|---|
| 1682 | ruiSymbol = uiSymbol; |
|---|
| 1683 | } |
|---|
| 1684 | |
|---|
| 1685 | Void TDecCavlc::xReadExGolombLevel( UInt& ruiSymbol ) |
|---|
| 1686 | { |
|---|
| 1687 | UInt uiSymbol ; |
|---|
| 1688 | UInt uiCount = 0; |
|---|
| 1689 | do |
|---|
| 1690 | { |
|---|
| 1691 | xReadFlag( uiSymbol ); |
|---|
| 1692 | uiCount++; |
|---|
| 1693 | } |
|---|
| 1694 | while( uiSymbol && (uiCount != 13)); |
|---|
| 1695 | |
|---|
| 1696 | ruiSymbol = uiCount-1; |
|---|
| 1697 | |
|---|
| 1698 | if( uiSymbol ) |
|---|
| 1699 | { |
|---|
| 1700 | xReadEpExGolomb( uiSymbol, 0 ); |
|---|
| 1701 | ruiSymbol += uiSymbol+1; |
|---|
| 1702 | } |
|---|
| 1703 | |
|---|
| 1704 | return; |
|---|
| 1705 | } |
|---|
| 1706 | |
|---|
| 1707 | Void TDecCavlc::xReadEpExGolomb( UInt& ruiSymbol, UInt uiCount ) |
|---|
| 1708 | { |
|---|
| 1709 | UInt uiSymbol = 0; |
|---|
| 1710 | UInt uiBit = 1; |
|---|
| 1711 | |
|---|
| 1712 | |
|---|
| 1713 | while( uiBit ) |
|---|
| 1714 | { |
|---|
| 1715 | xReadFlag( uiBit ); |
|---|
| 1716 | uiSymbol += uiBit << uiCount++; |
|---|
| 1717 | } |
|---|
| 1718 | |
|---|
| 1719 | uiCount--; |
|---|
| 1720 | while( uiCount-- ) |
|---|
| 1721 | { |
|---|
| 1722 | xReadFlag( uiBit ); |
|---|
| 1723 | uiSymbol += uiBit << uiCount; |
|---|
| 1724 | } |
|---|
| 1725 | |
|---|
| 1726 | ruiSymbol = uiSymbol; |
|---|
| 1727 | |
|---|
| 1728 | return; |
|---|
| 1729 | } |
|---|
| 1730 | |
|---|
| 1731 | UInt TDecCavlc::xGetBit() |
|---|
| 1732 | { |
|---|
| 1733 | UInt ruiCode; |
|---|
| 1734 | m_pcBitstream->read( 1, ruiCode ); |
|---|
| 1735 | return ruiCode; |
|---|
| 1736 | } |
|---|
| 1737 | |
|---|
| 1738 | |
|---|
| 1739 | /** parse explicit wp tables |
|---|
| 1740 | * \param TComSlice* pcSlice |
|---|
| 1741 | * \returns Void |
|---|
| 1742 | */ |
|---|
| 1743 | Void TDecCavlc::xParsePredWeightTable( TComSlice* pcSlice ) |
|---|
| 1744 | { |
|---|
| 1745 | wpScalingParam *wp; |
|---|
| 1746 | Bool bChroma = true; // color always present in HEVC ? |
|---|
| 1747 | SliceType eSliceType = pcSlice->getSliceType(); |
|---|
| 1748 | Int iNbRef = (eSliceType == B_SLICE ) ? (2) : (1); |
|---|
| 1749 | UInt uiLog2WeightDenomLuma, uiLog2WeightDenomChroma; |
|---|
| 1750 | UInt uiTotalSignalledWeightFlags = 0; |
|---|
| 1751 | |
|---|
| 1752 | Int iDeltaDenom; |
|---|
| 1753 | // decode delta_luma_log2_weight_denom : |
|---|
| 1754 | READ_UVLC( uiLog2WeightDenomLuma, "luma_log2_weight_denom" ); // ue(v): luma_log2_weight_denom |
|---|
| 1755 | if( bChroma ) |
|---|
| 1756 | { |
|---|
| 1757 | READ_SVLC( iDeltaDenom, "delta_chroma_log2_weight_denom" ); // se(v): delta_chroma_log2_weight_denom |
|---|
| 1758 | assert((iDeltaDenom + (Int)uiLog2WeightDenomLuma)>=0); |
|---|
| 1759 | uiLog2WeightDenomChroma = (UInt)(iDeltaDenom + uiLog2WeightDenomLuma); |
|---|
| 1760 | } |
|---|
| 1761 | |
|---|
| 1762 | for ( Int iNumRef=0 ; iNumRef<iNbRef ; iNumRef++ ) |
|---|
| 1763 | { |
|---|
| 1764 | RefPicList eRefPicList = ( iNumRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 ); |
|---|
| 1765 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) |
|---|
| 1766 | { |
|---|
| 1767 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
|---|
| 1768 | |
|---|
| 1769 | wp[0].uiLog2WeightDenom = uiLog2WeightDenomLuma; |
|---|
| 1770 | wp[1].uiLog2WeightDenom = uiLog2WeightDenomChroma; |
|---|
| 1771 | wp[2].uiLog2WeightDenom = uiLog2WeightDenomChroma; |
|---|
| 1772 | |
|---|
| 1773 | UInt uiCode; |
|---|
| 1774 | READ_FLAG( uiCode, "luma_weight_lX_flag" ); // u(1): luma_weight_l0_flag |
|---|
| 1775 | wp[0].bPresentFlag = ( uiCode == 1 ); |
|---|
| 1776 | uiTotalSignalledWeightFlags += wp[0].bPresentFlag; |
|---|
| 1777 | } |
|---|
| 1778 | if ( bChroma ) |
|---|
| 1779 | { |
|---|
| 1780 | UInt uiCode; |
|---|
| 1781 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) |
|---|
| 1782 | { |
|---|
| 1783 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
|---|
| 1784 | READ_FLAG( uiCode, "chroma_weight_lX_flag" ); // u(1): chroma_weight_l0_flag |
|---|
| 1785 | wp[1].bPresentFlag = ( uiCode == 1 ); |
|---|
| 1786 | wp[2].bPresentFlag = ( uiCode == 1 ); |
|---|
| 1787 | uiTotalSignalledWeightFlags += 2*wp[1].bPresentFlag; |
|---|
| 1788 | } |
|---|
| 1789 | } |
|---|
| 1790 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) |
|---|
| 1791 | { |
|---|
| 1792 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
|---|
| 1793 | if ( wp[0].bPresentFlag ) |
|---|
| 1794 | { |
|---|
| 1795 | Int iDeltaWeight; |
|---|
| 1796 | READ_SVLC( iDeltaWeight, "delta_luma_weight_lX" ); // se(v): delta_luma_weight_l0[i] |
|---|
| 1797 | wp[0].iWeight = (iDeltaWeight + (1<<wp[0].uiLog2WeightDenom)); |
|---|
| 1798 | READ_SVLC( wp[0].iOffset, "luma_offset_lX" ); // se(v): luma_offset_l0[i] |
|---|
| 1799 | } |
|---|
| 1800 | else |
|---|
| 1801 | { |
|---|
| 1802 | wp[0].iWeight = (1 << wp[0].uiLog2WeightDenom); |
|---|
| 1803 | wp[0].iOffset = 0; |
|---|
| 1804 | } |
|---|
| 1805 | if ( bChroma ) |
|---|
| 1806 | { |
|---|
| 1807 | if ( wp[1].bPresentFlag ) |
|---|
| 1808 | { |
|---|
| 1809 | for ( Int j=1 ; j<3 ; j++ ) |
|---|
| 1810 | { |
|---|
| 1811 | Int iDeltaWeight; |
|---|
| 1812 | READ_SVLC( iDeltaWeight, "delta_chroma_weight_lX" ); // se(v): chroma_weight_l0[i][j] |
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| 1813 | wp[j].iWeight = (iDeltaWeight + (1<<wp[1].uiLog2WeightDenom)); |
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| 1814 | |
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| 1815 | Int iDeltaChroma; |
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| 1816 | READ_SVLC( iDeltaChroma, "delta_chroma_offset_lX" ); // se(v): delta_chroma_offset_l0[i][j] |
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| 1817 | Int pred = ( 128 - ( ( 128*wp[j].iWeight)>>(wp[j].uiLog2WeightDenom) ) ); |
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| 1818 | wp[j].iOffset = Clip3(-128, 127, (iDeltaChroma + pred) ); |
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| 1819 | } |
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| 1820 | } |
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| 1821 | else |
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| 1822 | { |
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| 1823 | for ( Int j=1 ; j<3 ; j++ ) |
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| 1824 | { |
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| 1825 | wp[j].iWeight = (1 << wp[j].uiLog2WeightDenom); |
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| 1826 | wp[j].iOffset = 0; |
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| 1827 | } |
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| 1828 | } |
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| 1829 | } |
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| 1830 | } |
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| 1831 | |
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| 1832 | for ( Int iRefIdx=pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx<MAX_NUM_REF ; iRefIdx++ ) |
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| 1833 | { |
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| 1834 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
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| 1835 | |
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| 1836 | wp[0].bPresentFlag = false; |
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| 1837 | wp[1].bPresentFlag = false; |
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| 1838 | wp[2].bPresentFlag = false; |
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| 1839 | } |
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| 1840 | } |
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| 1841 | assert(uiTotalSignalledWeightFlags<=24); |
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| 1842 | } |
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| 1843 | |
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| 1844 | /** decode quantization matrix |
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| 1845 | * \param scalingList quantization matrix information |
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| 1846 | */ |
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| 1847 | Void TDecCavlc::parseScalingList(TComScalingList* scalingList) |
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| 1848 | { |
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| 1849 | UInt code, sizeId, listId; |
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| 1850 | Bool scalingListPredModeFlag; |
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| 1851 | //for each size |
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| 1852 | for(sizeId = 0; sizeId < SCALING_LIST_SIZE_NUM; sizeId++) |
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| 1853 | { |
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| 1854 | for(listId = 0; listId < g_scalingListNum[sizeId]; listId++) |
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| 1855 | { |
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| 1856 | READ_FLAG( code, "scaling_list_pred_mode_flag"); |
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| 1857 | scalingListPredModeFlag = (code) ? true : false; |
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| 1858 | if(!scalingListPredModeFlag) //Copy Mode |
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| 1859 | { |
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| 1860 | READ_UVLC( code, "scaling_list_pred_matrix_id_delta"); |
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| 1861 | scalingList->setRefMatrixId (sizeId,listId,(UInt)((Int)(listId)-(code))); |
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| 1862 | if( sizeId > SCALING_LIST_8x8 ) |
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| 1863 | { |
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| 1864 | scalingList->setScalingListDC(sizeId,listId,((listId == scalingList->getRefMatrixId (sizeId,listId))? 16 :scalingList->getScalingListDC(sizeId, scalingList->getRefMatrixId (sizeId,listId)))); |
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| 1865 | } |
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| 1866 | scalingList->processRefMatrix( sizeId, listId, scalingList->getRefMatrixId (sizeId,listId)); |
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| 1867 | |
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| 1868 | } |
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| 1869 | else //DPCM Mode |
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| 1870 | { |
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| 1871 | xDecodeScalingList(scalingList, sizeId, listId); |
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| 1872 | } |
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| 1873 | } |
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| 1874 | } |
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| 1875 | |
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| 1876 | return; |
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| 1877 | } |
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| 1878 | /** decode DPCM |
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| 1879 | * \param scalingList quantization matrix information |
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| 1880 | * \param sizeId size index |
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| 1881 | * \param listId list index |
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| 1882 | */ |
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| 1883 | Void TDecCavlc::xDecodeScalingList(TComScalingList *scalingList, UInt sizeId, UInt listId) |
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| 1884 | { |
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| 1885 | Int i,coefNum = min(MAX_MATRIX_COEF_NUM,(Int)g_scalingListSize[sizeId]); |
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| 1886 | Int data; |
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| 1887 | Int scalingListDcCoefMinus8 = 0; |
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| 1888 | Int nextCoef = SCALING_LIST_START_VALUE; |
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| 1889 | UInt* scan = (sizeId == 0) ? g_auiSigLastScan [ SCAN_DIAG ] [ 1 ] : g_sigLastScanCG32x32; |
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| 1890 | Int *dst = scalingList->getScalingListAddress(sizeId, listId); |
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| 1891 | |
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| 1892 | if( sizeId > SCALING_LIST_8x8 ) |
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| 1893 | { |
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| 1894 | READ_SVLC( scalingListDcCoefMinus8, "scaling_list_dc_coef_minus8"); |
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| 1895 | scalingList->setScalingListDC(sizeId,listId,scalingListDcCoefMinus8 + 8); |
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| 1896 | nextCoef = scalingList->getScalingListDC(sizeId,listId); |
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| 1897 | } |
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| 1898 | |
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| 1899 | for(i = 0; i < coefNum; i++) |
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| 1900 | { |
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| 1901 | READ_SVLC( data, "scaling_list_delta_coef"); |
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| 1902 | nextCoef = (nextCoef + data + 256 ) % 256; |
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| 1903 | dst[scan[i]] = nextCoef; |
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| 1904 | } |
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| 1905 | } |
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| 1906 | |
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| 1907 | Bool TDecCavlc::xMoreRbspData() |
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| 1908 | { |
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| 1909 | Int bitsLeft = m_pcBitstream->getNumBitsLeft(); |
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| 1910 | |
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| 1911 | // if there are more than 8 bits, it cannot be rbsp_trailing_bits |
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| 1912 | if (bitsLeft > 8) |
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| 1913 | { |
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| 1914 | return true; |
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| 1915 | } |
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| 1916 | |
|---|
| 1917 | UChar lastByte = m_pcBitstream->peekBits(bitsLeft); |
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| 1918 | Int cnt = bitsLeft; |
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| 1919 | |
|---|
| 1920 | // remove trailing bits equal to zero |
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| 1921 | while ((cnt>0) && ((lastByte & 1) == 0)) |
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| 1922 | { |
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| 1923 | lastByte >>= 1; |
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| 1924 | cnt--; |
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| 1925 | } |
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| 1926 | // remove bit equal to one |
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| 1927 | cnt--; |
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| 1928 | |
|---|
| 1929 | // we should not have a negative number of bits |
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| 1930 | assert (cnt>=0); |
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| 1931 | |
|---|
| 1932 | // we have more data, if cnt is not zero |
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| 1933 | return (cnt>0); |
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| 1934 | } |
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| 1935 | |
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| 1936 | #if INTRA_BL |
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| 1937 | Void TDecCavlc::parseIntraBLFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth ) |
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| 1938 | { |
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| 1939 | assert(0); |
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| 1940 | } |
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| 1941 | #endif |
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| 1942 | |
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| 1943 | //! \} |
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| 1944 | |
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