1 | ///* The copyright in this software is being made available under the BSD |
---|
2 | // * License, included below. This software may be subject to other third party |
---|
3 | // * and contributor rights, including patent rights, and no such rights are |
---|
4 | // * granted under this license. |
---|
5 | // * |
---|
6 | // * Copyright (c) 2010-2015, ITU/ISO/IEC |
---|
7 | // * All rights reserved. |
---|
8 | // * |
---|
9 | // * Redistribution and use in source and binary forms, with or without |
---|
10 | // * modification, are permitted provided that the following conditions are met: |
---|
11 | // * |
---|
12 | // * * Redistributions of source code must retain the above copyright notice, |
---|
13 | // * this list of conditions and the following disclaimer. |
---|
14 | // * * Redistributions in binary form must reproduce the above copyright notice, |
---|
15 | // * this list of conditions and the following disclaimer in the documentation |
---|
16 | // * and/or other materials provided with the distribution. |
---|
17 | // * * Neither the name of the ISO/IEC nor the names of its contributors may |
---|
18 | // * be used to endorse or promote products derived from this software without |
---|
19 | // * specific prior written permission. |
---|
20 | // * |
---|
21 | // * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
---|
22 | // * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
---|
23 | // * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
---|
24 | // * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
---|
25 | // * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
---|
26 | // * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
---|
27 | // * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
---|
28 | // * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
---|
29 | // * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
---|
30 | // * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
---|
31 | // * THE POSSIBILITY OF SUCH DAMAGE. |
---|
32 | // */ |
---|
33 | // |
---|
34 | ///** \file TAppExtrTop.cpp |
---|
35 | // \brief Extractor application class |
---|
36 | #include "TAppExtrTop.h" |
---|
37 | #include "../../Lib/TLibDecoder/AnnexBread.h" |
---|
38 | #include <fstream> |
---|
39 | #include <list> |
---|
40 | #include <stdio.h> |
---|
41 | #include <fcntl.h> |
---|
42 | #include <assert.h> |
---|
43 | |
---|
44 | #if H_MV |
---|
45 | // ==================================================================================================================== |
---|
46 | // Constructor / destructor / initialization / destroy |
---|
47 | // ==================================================================================================================== |
---|
48 | |
---|
49 | TAppExtrTop::TAppExtrTop() |
---|
50 | { |
---|
51 | // To suppress compiler warnings on potential division by 0. |
---|
52 | g_uiMaxCUWidth = 1; |
---|
53 | g_uiMaxCUHeight = 1; |
---|
54 | } |
---|
55 | |
---|
56 | TAppExtrTop::~TAppExtrTop() |
---|
57 | { |
---|
58 | } |
---|
59 | |
---|
60 | // ==================================================================================================================== |
---|
61 | // Public member functions |
---|
62 | // ==================================================================================================================== |
---|
63 | |
---|
64 | // |
---|
65 | //until the end of the bitstream, call extraction function in TExtrTop class |
---|
66 | // |
---|
67 | |
---|
68 | Void TAppExtrTop::extract() |
---|
69 | { |
---|
70 | |
---|
71 | ifstream inputBitstreamFile( m_pchInputBitstreamFile, ifstream::in | ifstream::binary ); |
---|
72 | if( inputBitstreamFile.fail() ) |
---|
73 | { |
---|
74 | fprintf( stderr, "\nfailed to open bitstream file `%s' for reading\n", m_pchInputBitstreamFile ); |
---|
75 | exit( EXIT_FAILURE ); |
---|
76 | } |
---|
77 | |
---|
78 | fstream outputBitstreamFile; |
---|
79 | if( m_pchOutputBitstreamFile ) |
---|
80 | { |
---|
81 | outputBitstreamFile.open( m_pchOutputBitstreamFile, fstream::binary | fstream::out ); |
---|
82 | if( outputBitstreamFile.fail() ) |
---|
83 | { |
---|
84 | fprintf( stderr, "\nfailed to open bitstream file `%s' for writing\n", m_pchOutputBitstreamFile ); |
---|
85 | exit( EXIT_FAILURE ); |
---|
86 | } |
---|
87 | } |
---|
88 | |
---|
89 | InputByteStream inputBytestream( inputBitstreamFile ); |
---|
90 | |
---|
91 | Bool bEndOfFile = false; |
---|
92 | while( !bEndOfFile ) |
---|
93 | { |
---|
94 | streampos location = inputBitstreamFile.tellg(); |
---|
95 | AnnexBStats stats = AnnexBStats(); |
---|
96 | vector<uint8_t> nalUnit; |
---|
97 | InputNALUnit nalu; |
---|
98 | bEndOfFile = byteStreamNALUnit( inputBytestream, nalUnit, stats ); |
---|
99 | |
---|
100 | // handle NAL unit |
---|
101 | if( nalUnit.empty() ) |
---|
102 | { |
---|
103 | /* this can happen if the following occur: |
---|
104 | * - empty input file |
---|
105 | * - two back-to-back start_code_prefixes |
---|
106 | * - start_code_prefix immediately followed by EOF |
---|
107 | */ |
---|
108 | fprintf( stderr, "Warning: Attempt to decode an empty NAL unit\n" ); |
---|
109 | } |
---|
110 | else |
---|
111 | { |
---|
112 | read( nalu, nalUnit ); |
---|
113 | |
---|
114 | // decide whether to extract packet or not |
---|
115 | if ( m_cTExtrTop.extract( nalu, m_suiExtractLayerIds ) && outputBitstreamFile.is_open() ) |
---|
116 | { |
---|
117 | inputBitstreamFile.clear(); |
---|
118 | |
---|
119 | streampos location2 = inputBitstreamFile.tellg(); |
---|
120 | inputBitstreamFile.seekg( location ); |
---|
121 | |
---|
122 | do |
---|
123 | { |
---|
124 | outputBitstreamFile.put( inputBitstreamFile.get() ); |
---|
125 | } while( inputBitstreamFile.tellg() != location2 ); |
---|
126 | } |
---|
127 | } |
---|
128 | } |
---|
129 | |
---|
130 | inputBitstreamFile.close(); |
---|
131 | outputBitstreamFile.close(); |
---|
132 | |
---|
133 | |
---|
134 | // write SPS info file |
---|
135 | if ( m_pchSpsInfoFile ) |
---|
136 | { |
---|
137 | fstream cSpsInfoFileHandle( m_pchSpsInfoFile, fstream::binary | fstream::out ); |
---|
138 | |
---|
139 | if( cSpsInfoFileHandle.fail() ) |
---|
140 | { |
---|
141 | fprintf( stderr, "\nfailed writing SPS info file\n" ); |
---|
142 | exit( EXIT_FAILURE ); |
---|
143 | } |
---|
144 | |
---|
145 | m_cTExtrTop.dumpSpsInfo( cSpsInfoFileHandle ); |
---|
146 | |
---|
147 | cSpsInfoFileHandle.close(); |
---|
148 | } |
---|
149 | |
---|
150 | m_cTExtrTop.dumpVpsInfo( std::cout ); |
---|
151 | m_cTExtrTop.dumpSpsInfo( std::cout ); |
---|
152 | |
---|
153 | } |
---|
154 | #endif |
---|