| 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) 2010-2011, 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 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 | |
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| 35 | #include "TEncFormattedStringParser.h" |
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| 36 | #include <sstream> |
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| 37 | #include <algorithm> |
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| 38 | |
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| 39 | const std::string TEncFormattedStringParser::sm_cSetOfTypes ("AIPBNipbn"); |
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| 40 | const std::string TEncFormattedStringParser::sm_cSetOfDigits ("0123456789"); |
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| 41 | const std::string TEncFormattedStringParser::sm_cSetOfPartStart ("AIPBNipbn*"); |
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| 42 | |
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| 43 | ErrVal TEncFormattedStringParser::extractFrameType( const std::string &rcString, |
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| 44 | SliceType& reSliceType, |
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| 45 | bool &rbStoreForRef, |
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| 46 | bool &rbIsIDR, |
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| 47 | std::string::size_type &ruiStartPos ) |
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| 48 | { |
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| 49 | ROT( rcString.length() <= ruiStartPos ); |
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| 50 | |
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| 51 | rbIsIDR = rcString[ruiStartPos] == 'A'; |
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| 52 | rbStoreForRef = isupper( rcString[ruiStartPos] ) != 0; |
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| 53 | |
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| 54 | const char cType = rcString[ruiStartPos++]; |
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| 55 | switch( toupper( cType ) ) |
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| 56 | { |
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| 57 | case 'A': |
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| 58 | case 'I': |
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| 59 | reSliceType = I_SLICE ; |
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| 60 | break; |
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| 61 | case 'P': |
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| 62 | reSliceType = P_SLICE ; |
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| 63 | break; |
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| 64 | case 'B': |
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| 65 | reSliceType = B_SLICE ; |
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| 66 | break; |
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| 67 | default: |
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| 68 | ROT( 1 ); |
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| 69 | } |
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| 70 | |
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| 71 | return Err::m_nOK; |
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| 72 | } |
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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 | ErrVal TEncFormattedStringParser::extractFrameIncrement( const std::string &rcString, |
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| 78 | UInt &ruiIncrement, |
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| 79 | std::string::size_type &ruiStartPos ) |
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| 80 | { |
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| 81 | RNOK( xExtractUInt( rcString, ruiIncrement, ruiStartPos ) ); |
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| 82 | return Err::m_nOK; |
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| 83 | } |
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| 84 | |
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| 85 | ErrVal TEncFormattedStringParser::extractFrameLayer( const std::string &rcString, |
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| 86 | UInt &ruiLayer, |
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| 87 | std::string::size_type &ruiStartPos ) |
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| 88 | { |
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| 89 | ruiLayer = 0; |
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| 90 | ROTRS( std::string::npos == ruiStartPos, Err::m_nOK ); |
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| 91 | ROTRS( rcString.length() <= ruiStartPos, Err::m_nOK ); |
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| 92 | ROTRS( rcString[ruiStartPos] != 'L', Err::m_nOK ); |
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| 93 | ruiStartPos++; |
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| 94 | RNOK( xExtractUInt( rcString, ruiLayer, ruiStartPos ) ); |
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| 95 | return Err::m_nOK; |
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| 96 | } |
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| 97 | |
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| 98 | ErrVal TEncFormattedStringParser::xExtractRelRefPocAndRefViewIdx( const std::string &rcString, |
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| 99 | std::vector<int> &raiAllowedRelativeRefPocs, |
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| 100 | std::vector<int> &raiAllowedReferenceViewIdx, |
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| 101 | std::string::size_type &ruiStartPos ) |
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| 102 | { |
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| 103 | if( rcString[ruiStartPos] == 'v' || rcString[ruiStartPos] == 'V' ) |
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| 104 | { |
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| 105 | ruiStartPos++; |
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| 106 | int iRefViewIdx = 0; |
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| 107 | RNOK( xExtractInt( rcString, iRefViewIdx, ruiStartPos ) ); |
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| 108 | assert( iRefViewIdx >= 0 ); |
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| 109 | ROF( raiAllowedReferenceViewIdx.end() == std::find( raiAllowedReferenceViewIdx.begin(), raiAllowedReferenceViewIdx.end(), iRefViewIdx ) ); |
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| 110 | raiAllowedReferenceViewIdx.push_back( iRefViewIdx ); |
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| 111 | raiAllowedRelativeRefPocs.push_back( 0 ); |
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| 112 | } |
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| 113 | else |
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| 114 | { |
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| 115 | int iRelRefPoc = 0; |
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| 116 | RNOK( xExtractInt( rcString, iRelRefPoc, ruiStartPos ) ); |
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| 117 | ROF( raiAllowedRelativeRefPocs.end() == std::find( raiAllowedRelativeRefPocs.begin(), raiAllowedRelativeRefPocs.end(), iRelRefPoc ) ); |
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| 118 | raiAllowedRelativeRefPocs.push_back( iRelRefPoc ); |
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| 119 | raiAllowedReferenceViewIdx.push_back( -1 ); |
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| 120 | } |
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| 121 | return Err::m_nOK; |
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| 122 | } |
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| 123 | |
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| 124 | ErrVal TEncFormattedStringParser::extractAllowedRelativeRefPocs( const std::string &rcString, |
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| 125 | std::vector<int> &raiAllowedRelativeRefPocs, |
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| 126 | std::vector<int> &raiAllowedReferenceViewIdx, |
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| 127 | std::string::size_type &ruiStartPos ) |
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| 128 | { |
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| 129 | ROF( raiAllowedRelativeRefPocs.empty() ); |
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| 130 | ROTRS( std::string::npos == ruiStartPos, Err::m_nOK ); |
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| 131 | ROTRS( rcString.length() <= ruiStartPos, Err::m_nOK ); |
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| 132 | RNOK( xEatChar( rcString, '(', ruiStartPos ) ); |
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| 133 | |
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| 134 | do |
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| 135 | { |
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| 136 | RNOK( xExtractRelRefPocAndRefViewIdx( rcString, raiAllowedRelativeRefPocs, raiAllowedReferenceViewIdx, ruiStartPos ) ); |
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| 137 | } |
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| 138 | while( xEatChar( rcString, ',', ruiStartPos ) == Err::m_nOK ); |
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| 139 | RNOK( xEatChar( rcString, ')', ruiStartPos ) ); |
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| 140 | |
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| 141 | return Err::m_nOK; |
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| 142 | } |
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| 143 | |
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| 144 | ErrVal TEncFormattedStringParser::extractAllowedRelativeRefPocs( const std::string &rcString, |
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| 145 | std::vector<int> &raiAllowedRelativeRefPocsL0, |
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| 146 | std::vector<int> &raiAllowedRelativeRefPocsL1, |
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| 147 | std::vector<int> &raiAllowedReferenceViewIdxL0, |
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| 148 | std::vector<int> &raiAllowedReferenceViewIdxL1, |
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| 149 | std::string::size_type &ruiStartPos ) |
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| 150 | { |
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| 151 | ROF( raiAllowedRelativeRefPocsL0.empty() ); |
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| 152 | ROF( raiAllowedRelativeRefPocsL1.empty() ); |
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| 153 | |
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| 154 | ROTRS( std::string::npos == ruiStartPos, Err::m_nOK ); |
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| 155 | ROTRS( rcString.length() <= ruiStartPos, Err::m_nOK ); |
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| 156 | |
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| 157 | RNOK( xEatChar( rcString, '(', ruiStartPos ) ); |
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| 158 | do |
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| 159 | { |
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| 160 | RNOK( xExtractRelRefPocAndRefViewIdx( rcString, raiAllowedRelativeRefPocsL0, raiAllowedReferenceViewIdxL0, ruiStartPos ) ); |
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| 161 | } |
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| 162 | while( xEatChar( rcString, ',', ruiStartPos ) == Err::m_nOK ); |
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| 163 | RNOK( xEatChar( rcString, ';', ruiStartPos ) ); |
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| 164 | do |
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| 165 | { |
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| 166 | RNOK( xExtractRelRefPocAndRefViewIdx( rcString, raiAllowedRelativeRefPocsL1, raiAllowedReferenceViewIdxL1, ruiStartPos ) ); |
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| 167 | } |
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| 168 | while( xEatChar( rcString, ',', ruiStartPos ) == Err::m_nOK ); |
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| 169 | RNOK( xEatChar( rcString, ')', ruiStartPos ) ); |
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| 170 | return Err::m_nOK; |
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| 171 | } |
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| 172 | |
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| 173 | |
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| 174 | |
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| 175 | |
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| 176 | |
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| 177 | |
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| 178 | ErrVal TEncFormattedStringParser::xEatChar( const std::string &rcString, |
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| 179 | char cChar, |
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| 180 | std::string::size_type &ruiStartPos ) |
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| 181 | { |
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| 182 | ROTS( std::string::npos == ruiStartPos ); |
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| 183 | ROTS( rcString.length() <= ruiStartPos ); |
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| 184 | ROFS( rcString[ruiStartPos] == cChar ); |
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| 185 | ruiStartPos++; |
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| 186 | return Err::m_nOK; |
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| 187 | } |
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| 188 | |
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| 189 | ErrVal TEncFormattedStringParser::xExtractUInt( const std::string &rcString, |
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| 190 | UInt &ruiVal, |
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| 191 | std::string::size_type &ruiStartPos ) |
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| 192 | { |
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| 193 | ROT( std::string::npos == ruiStartPos ); |
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| 194 | ROT( rcString.length() <= ruiStartPos ); |
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| 195 | const std::string::size_type uiPos = rcString.find_first_not_of( sm_cSetOfDigits, ruiStartPos + ( rcString[ruiStartPos] == '+' ? 1 : 0 ) ); |
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| 196 | ROT( ruiStartPos == uiPos ); |
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| 197 | std::stringstream( rcString.substr( ruiStartPos, std::string::npos == uiPos ? std::string::npos : uiPos - ruiStartPos ) ) >> ruiVal; |
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| 198 | ruiStartPos = uiPos; |
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| 199 | return Err::m_nOK; |
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| 200 | } |
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| 201 | |
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| 202 | ErrVal TEncFormattedStringParser::xExtractInt( const std::string &rcString, |
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| 203 | int &riVal, |
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| 204 | std::string::size_type &ruiStartPos ) |
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| 205 | { |
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| 206 | ROT( std::string::npos == ruiStartPos ); |
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| 207 | ROT( rcString.length() <= ruiStartPos ); |
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| 208 | const std::string::size_type uiPos = rcString.find_first_not_of( sm_cSetOfDigits, ruiStartPos + ( rcString[ruiStartPos] == '+' || rcString[ruiStartPos] == '-' ? 1 : 0 ) ); |
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| 209 | ROT( ruiStartPos == uiPos ); |
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| 210 | std::stringstream( rcString.substr( ruiStartPos, std::string::npos == uiPos ? std::string::npos : uiPos - ruiStartPos ) ) >> riVal; |
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| 211 | ruiStartPos = uiPos; |
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| 212 | return Err::m_nOK; |
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| 213 | } |
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| 214 | |
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| 215 | |
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| 216 | ErrVal |
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| 217 | TEncFormattedStringParser::separatString ( const std::string& rcString, |
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| 218 | std::string& rcFDString, |
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| 219 | std::string& rcMmcoString, |
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| 220 | std::string& rcRplrStringL0, |
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| 221 | std::string& rcRplrStringL1) |
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| 222 | { |
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| 223 | size_t uiMPos = rcString.find_first_of( "M" ); |
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| 224 | size_t uiR1Pos = rcString.find_first_of( "R" ); |
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| 225 | size_t uiR2Pos = rcString.find_last_of ( "R" ); |
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| 226 | |
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| 227 | size_t uiSize = rcString.size(); |
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| 228 | |
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| 229 | if( std::string::npos == uiMPos ) |
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| 230 | { |
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| 231 | rcMmcoString = ""; |
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| 232 | if( std::string::npos == uiR1Pos ) |
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| 233 | { |
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| 234 | rcFDString = rcString; |
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| 235 | rcRplrStringL0 = ""; |
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| 236 | rcRplrStringL1 = ""; |
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| 237 | } |
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| 238 | else |
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| 239 | { |
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| 240 | rcFDString = rcString.substr( 0, uiR1Pos ); |
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| 241 | if( uiR1Pos == uiR2Pos ) |
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| 242 | { |
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| 243 | rcRplrStringL0 = rcString.substr( uiR1Pos, uiSize - uiR1Pos ); |
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| 244 | rcRplrStringL1 = ""; |
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| 245 | } |
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| 246 | else |
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| 247 | { |
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| 248 | rcRplrStringL0 = rcString.substr( uiR1Pos, uiR2Pos - uiR1Pos ); |
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| 249 | rcRplrStringL1 = rcString.substr( uiR2Pos, uiSize - uiR2Pos ); |
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| 250 | } |
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| 251 | } |
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| 252 | } |
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| 253 | else |
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| 254 | { |
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| 255 | if( std::string::npos == uiR1Pos ) |
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| 256 | { |
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| 257 | rcFDString = rcString.substr( 0, uiMPos ); |
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| 258 | rcMmcoString = rcString.substr( uiMPos, uiSize - uiMPos ); |
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| 259 | rcRplrStringL0 = ""; |
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| 260 | rcRplrStringL1 = ""; |
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| 261 | } |
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| 262 | else |
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| 263 | { |
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| 264 | if( uiMPos < uiR1Pos ) |
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| 265 | { |
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| 266 | rcFDString = rcString.substr( 0, uiMPos ); |
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| 267 | rcMmcoString = rcString.substr( uiMPos, uiR1Pos - uiMPos ); |
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| 268 | if( uiR1Pos == uiR2Pos ) |
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| 269 | { |
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| 270 | rcRplrStringL0 = rcString.substr( uiR1Pos, uiSize - uiR1Pos ); |
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| 271 | rcRplrStringL1 = ""; |
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| 272 | } |
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| 273 | else |
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| 274 | { |
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| 275 | rcRplrStringL0 = rcString.substr( uiR1Pos, uiR2Pos - uiR1Pos ); |
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| 276 | rcRplrStringL1 = rcString.substr( uiR2Pos, uiSize - uiR2Pos ); |
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| 277 | } |
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| 278 | } |
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| 279 | else |
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| 280 | { |
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| 281 | rcFDString = rcString.substr( 0, uiR1Pos ); |
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| 282 | |
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| 283 | if( uiR1Pos == uiR2Pos ) |
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| 284 | { |
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| 285 | rcRplrStringL0 = rcString.substr( uiR1Pos, uiMPos - uiR1Pos ); |
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| 286 | rcRplrStringL1 = ""; |
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| 287 | rcMmcoString = rcString.substr( uiMPos, uiSize - uiMPos ); |
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| 288 | } |
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| 289 | else |
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| 290 | { |
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| 291 | if( uiMPos < uiR2Pos ) |
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| 292 | { |
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| 293 | rcRplrStringL0 = rcString.substr( uiR1Pos, uiMPos - uiR1Pos ); |
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| 294 | rcMmcoString = rcString.substr( uiMPos, uiR2Pos - uiMPos ); |
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| 295 | rcRplrStringL1 = rcString.substr( uiR2Pos, uiSize - uiR2Pos ); |
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| 296 | |
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| 297 | } |
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| 298 | else |
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| 299 | { |
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| 300 | rcRplrStringL0 = rcString.substr( uiR1Pos, uiR2Pos - uiR1Pos ); |
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| 301 | rcRplrStringL1 = rcString.substr( uiR2Pos, uiMPos - uiR2Pos ); |
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| 302 | rcMmcoString = rcString.substr( uiMPos, uiSize - uiMPos ); |
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| 303 | } |
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| 304 | } |
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| 305 | } |
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| 306 | } |
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| 307 | } |
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| 308 | |
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| 309 | if( rcRplrStringL0.size() == 1 ) |
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| 310 | { |
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| 311 | rcRplrStringL0 = ""; |
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| 312 | } |
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| 313 | |
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| 314 | if( rcRplrStringL1.size() == 1 ) |
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| 315 | { |
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| 316 | rcRplrStringL1 = ""; |
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| 317 | } |
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| 318 | |
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| 319 | return Err::m_nOK; |
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| 320 | } |
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| 321 | |
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| 322 | bool |
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| 323 | TEncFormattedStringParser::isFrameSequencePart( const std::string& rcString ) |
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| 324 | { |
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| 325 | return ( rcString.find( '*', 1 ) == std::string::npos ); |
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| 326 | } |
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| 327 | |
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| 328 | |
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| 329 | ErrVal |
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| 330 | TEncFormattedStringParser::extractRepetitions( const std::string& rcString, |
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| 331 | std::string& rcNoRepString, |
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| 332 | UInt& ruiNumberOfRepetitions ) |
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| 333 | { |
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| 334 | ROT( rcString.empty() ); |
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| 335 | if( rcString[0] != '*' ) |
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| 336 | { |
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| 337 | ruiNumberOfRepetitions = 1; |
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| 338 | rcNoRepString = rcString; |
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| 339 | } |
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| 340 | else |
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| 341 | { |
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| 342 | size_t uiLastPos = rcString.length () - 1; |
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| 343 | size_t uiOpenPos = rcString.find ( '{' ); |
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| 344 | size_t uiClosePos = rcString.rfind ( '}' ); |
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| 345 | |
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| 346 | ROTS( uiOpenPos == std::string::npos ); |
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| 347 | ROFS( uiClosePos == uiLastPos ); |
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| 348 | |
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| 349 | rcNoRepString = rcString.substr( uiOpenPos+1, uiClosePos-uiOpenPos-1 ); //GT: abc if rcString = *n100{abc} |
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| 350 | std::string cNStr = rcString.substr( 1, uiOpenPos - 1 ); //GT n100 if rcString = *n100{abc} |
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| 351 | ROT( cNStr.empty() ); |
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| 352 | |
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| 353 | if( uiOpenPos==2 && cNStr[0]=='n' ) |
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| 354 | { |
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| 355 | // ruiNumberOfRepetitions = TypeLimits<UInt>::m_iMax; // reserved value representing "infinity" |
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| 356 | ruiNumberOfRepetitions = MAX_UINT; // reserved value representing "infinity" |
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| 357 | } |
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| 358 | else |
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| 359 | { |
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| 360 | ROFS( cNStr.find_first_not_of( sm_cSetOfDigits ) == std::string::npos ); |
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| 361 | ruiNumberOfRepetitions = atoi( cNStr.c_str() ); |
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| 362 | } |
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| 363 | } |
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| 364 | |
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| 365 | return Err::m_nOK; |
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| 366 | } |
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| 367 | |
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| 368 | ErrVal |
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| 369 | TEncFormattedStringParser::getNumberOfFrames( const std::string& rcString, |
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| 370 | UInt& ruiNumberOfFrames ) |
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| 371 | { |
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| 372 | size_t uiPos = rcString.find_first_of( sm_cSetOfTypes ); |
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| 373 | size_t uiUnderScorePos = 0 ; |
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| 374 | ruiNumberOfFrames = 0; |
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| 375 | |
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| 376 | |
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| 377 | while( uiPos != std::string::npos ) |
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| 378 | { |
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| 379 | ruiNumberOfFrames++; |
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| 380 | uiUnderScorePos = rcString.find_first_of( std::string("_"), uiPos+1 ) ; |
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| 381 | ROT( uiUnderScorePos == std::string::npos ) ; |
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| 382 | uiPos = rcString.find_first_of( sm_cSetOfTypes, uiUnderScorePos+1 ); |
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| 383 | } |
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| 384 | |
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| 385 | return Err::m_nOK; |
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| 386 | } |
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| 387 | |
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| 388 | ErrVal |
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| 389 | TEncFormattedStringParser::extractNextFrameDescription( const std::string& rcString, |
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| 390 | std::string& rcFDString, |
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| 391 | size_t& ruiStartPos ) |
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| 392 | { |
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| 393 | ROTS( ruiStartPos >= rcString.length()-1 ); |
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| 394 | size_t uiUnderScorePos = rcString.find_first_of( std::string("_"), ruiStartPos+1 ) ; |
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| 395 | ROT( uiUnderScorePos == std::string::npos ) ; |
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| 396 | size_t uiEndPos = rcString.find_first_of( sm_cSetOfTypes, uiUnderScorePos+1 ); |
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| 397 | |
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| 398 | rcFDString = rcString.substr( ruiStartPos, uiEndPos - ruiStartPos ); |
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| 399 | ruiStartPos = uiEndPos; |
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| 400 | |
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| 401 | return Err::m_nOK; |
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| 402 | } |
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| 403 | |
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| 404 | ErrVal |
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| 405 | TEncFormattedStringParser::getNumberOfParts( const std::string& rcString, |
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| 406 | UInt& ruiNumberOfParts ) |
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| 407 | { |
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| 408 | size_t uiPos = rcString.find_first_of( sm_cSetOfPartStart ); |
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| 409 | ruiNumberOfParts = 0; |
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| 410 | |
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| 411 | while( uiPos != std::string::npos ) |
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| 412 | { |
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| 413 | ruiNumberOfParts++; |
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| 414 | |
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| 415 | if( rcString[uiPos] == '*' ) //GT: Exclude sub-parts |
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| 416 | { |
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| 417 | size_t uiEndPos = rcString.find( '{', uiPos+1 ); |
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| 418 | UInt uiOpenBrackets = 1; |
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| 419 | ROTS( uiEndPos == std::string::npos ); |
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| 420 | |
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| 421 | while( uiOpenBrackets ) |
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| 422 | { |
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| 423 | uiEndPos = rcString.find_first_of( "{}", uiEndPos+1 ); |
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| 424 | ROTS( uiEndPos == std::string::npos ); |
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| 425 | |
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| 426 | if( rcString[uiEndPos] == '{' ) uiOpenBrackets++; |
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| 427 | else uiOpenBrackets--; |
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| 428 | } |
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| 429 | |
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| 430 | uiPos = rcString.find_first_of( sm_cSetOfPartStart, uiEndPos + 1 ); |
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| 431 | } |
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| 432 | else |
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| 433 | { |
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| 434 | uiPos = rcString.find( '*', uiPos+1 ); |
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| 435 | } |
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| 436 | } |
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| 437 | |
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| 438 | return Err::m_nOK; |
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| 439 | } |
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| 440 | |
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| 441 | ErrVal |
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| 442 | TEncFormattedStringParser::extractPart( const std::string& rcString, |
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| 443 | std::string& rcPartString, |
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| 444 | size_t& ruiStartPos ) |
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| 445 | { |
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| 446 | ROTS( ruiStartPos >= rcString.length()-1 ); |
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| 447 | |
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| 448 | size_t uiNextStartPos; |
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| 449 | |
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| 450 | if( rcString[ruiStartPos] == '*' ) |
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| 451 | { |
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| 452 | size_t uiEndPos = rcString.find( '{', ruiStartPos+1 ); |
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| 453 | UInt uiOpenBrackets = 1; |
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| 454 | ROTS( uiEndPos == std::string::npos ); |
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| 455 | |
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| 456 | while( uiOpenBrackets ) |
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| 457 | { |
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| 458 | uiEndPos = rcString.find_first_of( "{}", uiEndPos+1 ); |
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| 459 | ROTS( uiEndPos == std::string::npos ); |
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| 460 | |
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| 461 | if( rcString[uiEndPos] == '{' ) uiOpenBrackets++; |
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| 462 | else uiOpenBrackets--; |
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| 463 | } |
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| 464 | |
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| 465 | uiNextStartPos = rcString.find_first_of( sm_cSetOfPartStart, uiEndPos + 1 ); |
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| 466 | } |
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| 467 | else |
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| 468 | { |
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| 469 | uiNextStartPos = rcString.find( '*', ruiStartPos+1 ); |
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| 470 | } |
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| 471 | |
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| 472 | rcPartString = rcString.substr( ruiStartPos, uiNextStartPos - ruiStartPos ); |
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| 473 | ruiStartPos = uiNextStartPos; |
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| 474 | |
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| 475 | return Err::m_nOK; |
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| 476 | } |
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| 477 | |
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| 478 | ErrVal TEncFormattedStringParser::extractHighestLayerOfGOPString( const std::string &rcString, UInt &ruiLayer ) |
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| 479 | { |
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| 480 | std::string::size_type uiPos = 0; |
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| 481 | ruiLayer = 0; |
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| 482 | |
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| 483 | while( ( uiPos = rcString.find_first_of( 'L', uiPos ) ) != std::string::npos ) |
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| 484 | { |
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| 485 | uiPos++; |
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| 486 | |
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| 487 | UInt ui = 0; |
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| 488 | RNOK( xExtractUInt( rcString, ui, uiPos ) ); |
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| 489 | if( ui > ruiLayer ) |
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| 490 | ruiLayer = ui; |
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| 491 | } |
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| 492 | return Err::m_nOK; |
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| 493 | } |
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| 494 | |
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| 495 | |
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