[446] | 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 | ///** \file TAppExtrTop.cpp |
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| 35 | // \brief Extractor application class |
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[438] | 36 | #include "TAppExtrTop.h" |
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| 37 | #include "../../Lib/TLibDecoder/AnnexBread.h" |
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| 38 | #include <fstream> |
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| 39 | #include <list> |
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| 40 | #include <stdio.h> |
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| 41 | #include <fcntl.h> |
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| 42 | #include <assert.h> |
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| 43 | |
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[446] | 44 | #if H_MV |
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[438] | 45 | // ==================================================================================================================== |
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| 46 | // Constructor / destructor / initialization / destroy |
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| 47 | // ==================================================================================================================== |
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| 48 | |
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| 49 | TAppExtrTop::TAppExtrTop() |
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| 50 | { |
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[446] | 51 | // To suppress compiler warnings on potential division by 0. |
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| 52 | g_uiMaxCUWidth = 1; |
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| 53 | g_uiMaxCUHeight = 1; |
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[438] | 54 | } |
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| 55 | |
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| 56 | TAppExtrTop::~TAppExtrTop() |
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| 57 | { |
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| 58 | } |
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| 59 | |
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| 60 | // ==================================================================================================================== |
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| 61 | // Public member functions |
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| 62 | // ==================================================================================================================== |
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| 63 | |
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[446] | 64 | // |
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| 65 | //until the end of the bitstream, call extraction function in TExtrTop class |
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| 66 | // |
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| 67 | |
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[438] | 68 | Void TAppExtrTop::extract() |
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| 69 | { |
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| 70 | |
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| 71 | ifstream inputBitstreamFile( m_pchInputBitstreamFile, ifstream::in | ifstream::binary ); |
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| 72 | if( inputBitstreamFile.fail() ) |
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| 73 | { |
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| 74 | fprintf( stderr, "\nfailed to open bitstream file `%s' for reading\n", m_pchInputBitstreamFile ); |
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| 75 | exit( EXIT_FAILURE ); |
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| 76 | } |
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| 77 | |
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| 78 | fstream outputBitstreamFile; |
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| 79 | if( m_pchOutputBitstreamFile ) |
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| 80 | { |
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| 81 | outputBitstreamFile.open( m_pchOutputBitstreamFile, fstream::binary | fstream::out ); |
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| 82 | if( outputBitstreamFile.fail() ) |
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| 83 | { |
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| 84 | fprintf( stderr, "\nfailed to open bitstream file `%s' for writing\n", m_pchOutputBitstreamFile ); |
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| 85 | exit( EXIT_FAILURE ); |
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| 86 | } |
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| 87 | } |
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| 88 | |
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| 89 | InputByteStream inputBytestream( inputBitstreamFile ); |
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| 90 | |
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| 91 | Bool bEndOfFile = false; |
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| 92 | while( !bEndOfFile ) |
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| 93 | { |
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| 94 | streampos location = inputBitstreamFile.tellg(); |
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| 95 | AnnexBStats stats = AnnexBStats(); |
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| 96 | vector<uint8_t> nalUnit; |
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| 97 | InputNALUnit nalu; |
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| 98 | bEndOfFile = byteStreamNALUnit( inputBytestream, nalUnit, stats ); |
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| 99 | |
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| 100 | // handle NAL unit |
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| 101 | if( nalUnit.empty() ) |
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| 102 | { |
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| 103 | /* this can happen if the following occur: |
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| 104 | * - empty input file |
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| 105 | * - two back-to-back start_code_prefixes |
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| 106 | * - start_code_prefix immediately followed by EOF |
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| 107 | */ |
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| 108 | fprintf( stderr, "Warning: Attempt to decode an empty NAL unit\n" ); |
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| 109 | } |
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| 110 | else |
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| 111 | { |
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| 112 | read( nalu, nalUnit ); |
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| 113 | |
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| 114 | // decide whether to extract packet or not |
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| 115 | if ( m_cTExtrTop.extract( nalu, m_suiExtractLayerIds ) && outputBitstreamFile.is_open() ) |
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| 116 | { |
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| 117 | inputBitstreamFile.clear(); |
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| 118 | |
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| 119 | streampos location2 = inputBitstreamFile.tellg(); |
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| 120 | inputBitstreamFile.seekg( location ); |
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| 121 | |
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| 122 | do |
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| 123 | { |
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| 124 | outputBitstreamFile.put( inputBitstreamFile.get() ); |
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| 125 | } while( inputBitstreamFile.tellg() != location2 ); |
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| 126 | } |
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| 127 | } |
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| 128 | } |
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| 129 | |
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| 130 | inputBitstreamFile.close(); |
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| 131 | outputBitstreamFile.close(); |
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| 132 | |
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[446] | 133 | |
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[438] | 134 | // write SPS info file |
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| 135 | if ( m_pchSpsInfoFile ) |
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| 136 | { |
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| 137 | fstream cSpsInfoFileHandle( m_pchSpsInfoFile, fstream::binary | fstream::out ); |
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| 138 | |
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| 139 | if( cSpsInfoFileHandle.fail() ) |
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| 140 | { |
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| 141 | fprintf( stderr, "\nfailed writing SPS info file\n" ); |
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| 142 | exit( EXIT_FAILURE ); |
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| 143 | } |
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| 144 | |
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| 145 | m_cTExtrTop.dumpSpsInfo( cSpsInfoFileHandle ); |
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| 146 | |
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| 147 | cSpsInfoFileHandle.close(); |
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| 148 | } |
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[446] | 149 | |
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| 150 | m_cTExtrTop.dumpVpsInfo( std::cout ); |
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[438] | 151 | m_cTExtrTop.dumpSpsInfo( std::cout ); |
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[446] | 152 | |
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[438] | 153 | } |
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[446] | 154 | #endif |
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