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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2006 Chris Cannam and QMUL.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #include "AudioFileReaderFactory.h"
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17
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18 #include "WavFileReader.h"
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19 #include "DecodingWavFileReader.h"
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20 #include "OggVorbisFileReader.h"
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21 #include "MP3FileReader.h"
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22 #include "QuickTimeFileReader.h"
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23 #include "CoreAudioFileReader.h"
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24
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25 #include <QString>
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26 #include <QFileInfo>
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27 #include <iostream>
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28
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29 QString
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30 AudioFileReaderFactory::getKnownExtensions()
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31 {
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32 std::set<QString> extensions;
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33
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34 WavFileReader::getSupportedExtensions(extensions);
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35 #ifdef HAVE_MAD
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36 MP3FileReader::getSupportedExtensions(extensions);
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37 #endif
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38 #ifdef HAVE_OGGZ
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39 #ifdef HAVE_FISHSOUND
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40 OggVorbisFileReader::getSupportedExtensions(extensions);
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41 #endif
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42 #endif
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43 #ifdef HAVE_QUICKTIME
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44 QuickTimeFileReader::getSupportedExtensions(extensions);
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45 #endif
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46 #ifdef HAVE_COREAUDIO
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47 CoreAudioFileReader::getSupportedExtensions(extensions);
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48 #endif
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49
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50 QString rv;
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51 for (std::set<QString>::const_iterator i = extensions.begin();
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52 i != extensions.end(); ++i) {
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53 if (i != extensions.begin()) rv += " ";
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54 rv += "*." + *i;
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55 }
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56
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57 return rv;
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58 }
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59
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60 AudioFileReader *
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61 AudioFileReaderFactory::createReader(FileSource source,
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62 sv_samplerate_t targetRate,
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63 bool normalised,
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64 ProgressReporter *reporter)
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65 {
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66 return create(source, targetRate, normalised, false, reporter);
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67 }
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68
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69 AudioFileReader *
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70 AudioFileReaderFactory::createThreadingReader(FileSource source,
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71 sv_samplerate_t targetRate,
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72 bool normalised,
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73 ProgressReporter *reporter)
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74 {
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75 return create(source, targetRate, normalised, true, reporter);
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76 }
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77
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78 AudioFileReader *
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79 AudioFileReaderFactory::create(FileSource source,
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80 sv_samplerate_t targetRate,
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81 bool normalised,
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82 bool threading,
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83 ProgressReporter *reporter)
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84 {
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85 QString err;
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86
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87 SVDEBUG << "AudioFileReaderFactory::createReader(\"" << source.getLocation() << "\"): Requested rate: " << targetRate << endl;
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88
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89 if (!source.isOK()) {
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90 cerr << "AudioFileReaderFactory::createReader(\"" << source.getLocation() << "\": Failed to retrieve source (transmission error?): " << source.getErrorString() << endl;
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91 return 0;
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92 }
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93
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94 if (!source.isAvailable()) {
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95 SVDEBUG << "AudioFileReaderFactory::createReader(\"" << source.getLocation() << "\": Source not found" << endl;
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96 return 0;
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97 }
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98
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99 AudioFileReader *reader = 0;
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100
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101 // Try to construct a preferred reader based on the extension or
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102 // MIME type.
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103
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104 if (WavFileReader::supports(source)) {
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105
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106 reader = new WavFileReader(source);
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107
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108 sv_samplerate_t fileRate = reader->getSampleRate();
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109
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110 if (reader->isOK() &&
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111 (!reader->isQuicklySeekable() ||
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112 normalised ||
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113 (targetRate != 0 && fileRate != targetRate))) {
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114
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115 SVDEBUG << "AudioFileReaderFactory::createReader: WAV file rate: " << reader->getSampleRate() << ", normalised " << normalised << ", seekable " << reader->isQuicklySeekable() << ", creating decoding reader" << endl;
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116
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117 delete reader;
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118 reader = new DecodingWavFileReader
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119 (source,
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120 threading ?
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121 DecodingWavFileReader::ResampleThreaded :
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122 DecodingWavFileReader::ResampleAtOnce,
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123 DecodingWavFileReader::CacheInTemporaryFile,
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124 targetRate ? targetRate : fileRate,
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125 normalised,
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126 reporter);
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127 if (!reader->isOK()) {
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128 delete reader;
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129 reader = 0;
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130 }
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131 }
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132 }
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133
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134 #ifdef HAVE_OGGZ
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135 #ifdef HAVE_FISHSOUND
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136 if (!reader) {
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137 if (OggVorbisFileReader::supports(source)) {
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138 reader = new OggVorbisFileReader
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139 (source,
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140 threading ?
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141 OggVorbisFileReader::DecodeThreaded :
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142 OggVorbisFileReader::DecodeAtOnce,
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143 OggVorbisFileReader::CacheInTemporaryFile,
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144 targetRate,
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145 normalised,
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146 reporter);
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147 if (!reader->isOK()) {
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148 delete reader;
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149 reader = 0;
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150 }
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151 }
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152 }
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153 #endif
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154 #endif
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155
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156 #ifdef HAVE_MAD
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157 if (!reader) {
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158 if (MP3FileReader::supports(source)) {
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159 reader = new MP3FileReader
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160 (source,
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161 threading ?
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162 MP3FileReader::DecodeThreaded :
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163 MP3FileReader::DecodeAtOnce,
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164 MP3FileReader::CacheInTemporaryFile,
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165 targetRate,
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166 normalised,
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167 reporter);
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168 if (!reader->isOK()) {
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169 delete reader;
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170 reader = 0;
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171 }
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172 }
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173 }
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174 #endif
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175
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176 #ifdef HAVE_QUICKTIME
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177 if (!reader) {
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178 if (QuickTimeFileReader::supports(source)) {
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179 reader = new QuickTimeFileReader
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180 (source,
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181 threading ?
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182 QuickTimeFileReader::DecodeThreaded :
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183 QuickTimeFileReader::DecodeAtOnce,
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184 QuickTimeFileReader::CacheInTemporaryFile,
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185 targetRate,
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186 normalised,
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187 reporter);
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188 if (!reader->isOK()) {
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189 delete reader;
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190 reader = 0;
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191 }
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192 }
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193 }
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194 #endif
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195
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196 #ifdef HAVE_COREAUDIO
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197 if (!reader) {
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198 if (CoreAudioFileReader::supports(source)) {
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199 reader = new CoreAudioFileReader
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200 (source,
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201 threading ?
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202 CoreAudioFileReader::DecodeThreaded :
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203 CoreAudioFileReader::DecodeAtOnce,
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204 CoreAudioFileReader::CacheInTemporaryFile,
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205 targetRate,
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206 normalised,
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207 reporter);
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208 if (!reader->isOK()) {
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209 delete reader;
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210 reader = 0;
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211 }
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212 }
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213 }
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214 #endif
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215
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216
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217 // If none of the readers claimed to support this file extension,
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218 // perhaps the extension is missing or misleading. Try again,
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219 // ignoring it. We have to be confident that the reader won't
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220 // open just any old text file or whatever and pretend it's
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221 // succeeded
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222
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223 if (!reader) {
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224
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225 reader = new WavFileReader(source);
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226
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227 sv_samplerate_t fileRate = reader->getSampleRate();
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228
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229 if (reader->isOK() &&
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230 (!reader->isQuicklySeekable() ||
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231 normalised ||
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232 (targetRate != 0 && fileRate != targetRate))) {
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233
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234 SVDEBUG << "AudioFileReaderFactory::createReader: WAV file rate: " << reader->getSampleRate() << ", normalised " << normalised << ", seekable " << reader->isQuicklySeekable() << ", creating decoding reader" << endl;
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235
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236 delete reader;
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237 reader = new DecodingWavFileReader
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238 (source,
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239 threading ?
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240 DecodingWavFileReader::ResampleThreaded :
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241 DecodingWavFileReader::ResampleAtOnce,
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242 DecodingWavFileReader::CacheInTemporaryFile,
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243 targetRate ? targetRate : fileRate,
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244 normalised,
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245 reporter);
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246 }
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247
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248 if (!reader->isOK()) {
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249 delete reader;
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250 reader = 0;
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251 }
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252 }
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253
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254 #ifdef HAVE_OGGZ
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255 #ifdef HAVE_FISHSOUND
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256 if (!reader) {
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257 reader = new OggVorbisFileReader
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258 (source,
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259 threading ?
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260 OggVorbisFileReader::DecodeThreaded :
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261 OggVorbisFileReader::DecodeAtOnce,
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262 OggVorbisFileReader::CacheInTemporaryFile,
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263 targetRate,
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264 reporter);
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265
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266 if (!reader->isOK()) {
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267 delete reader;
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268 reader = 0;
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269 }
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270 }
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271 #endif
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272 #endif
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273
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274 #ifdef HAVE_MAD
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275 if (!reader) {
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276 reader = new MP3FileReader
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277 (source,
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278 threading ?
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279 MP3FileReader::DecodeThreaded :
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280 MP3FileReader::DecodeAtOnce,
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281 MP3FileReader::CacheInTemporaryFile,
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282 targetRate,
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283 reporter);
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284
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285 if (!reader->isOK()) {
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286 delete reader;
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287 reader = 0;
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288 }
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289 }
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290 #endif
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291
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292 #ifdef HAVE_QUICKTIME
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293 if (!reader) {
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294 reader = new QuickTimeFileReader
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295 (source,
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296 threading ?
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297 QuickTimeFileReader::DecodeThreaded :
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298 QuickTimeFileReader::DecodeAtOnce,
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299 QuickTimeFileReader::CacheInTemporaryFile,
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300 targetRate,
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301 reporter);
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302
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303 if (!reader->isOK()) {
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304 delete reader;
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305 reader = 0;
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306 }
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307 }
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308 #endif
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309
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310 #ifdef HAVE_COREAUDIO
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311 if (!reader) {
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312 reader = new CoreAudioFileReader
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313 (source,
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314 threading ?
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315 CoreAudioFileReader::DecodeThreaded :
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316 CoreAudioFileReader::DecodeAtOnce,
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317 CoreAudioFileReader::CacheInTemporaryFile,
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318 targetRate,
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319 reporter);
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320
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321 if (!reader->isOK()) {
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322 delete reader;
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323 reader = 0;
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324 }
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325 }
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326 #endif
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327
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328 if (reader) {
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329 if (reader->isOK()) {
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330 SVDEBUG << "AudioFileReaderFactory: Reader is OK" << endl;
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331 return reader;
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332 }
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333 cerr << "AudioFileReaderFactory: Preferred reader for "
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334 << "url \"" << source.getLocation()
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335 << "\" (content type \""
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336 << source.getContentType() << "\") failed";
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337
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338 if (reader->getError() != "") {
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339 cerr << ": \"" << reader->getError() << "\"";
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340 }
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341 cerr << endl;
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342 delete reader;
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343 reader = 0;
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344 }
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345
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346 cerr << "AudioFileReaderFactory: No reader" << endl;
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347 return reader;
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348 }
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349
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