1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2012 LoRd_MuldeR <MuldeR2@GMX.de>
5 // This program is free software; you can redistribute it and/or modify
6 // it under the terms of the GNU General Public License as published by
7 // the Free Software Foundation; either version 2 of the License, or
8 // (at your option) any later version.
10 // This program is distributed in the hope that it will be useful,
11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 // GNU General Public License for more details.
15 // You should have received a copy of the GNU General Public License along
16 // with this program; if not, write to the Free Software Foundation, Inc.,
17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19 // http://www.gnu.org/licenses/gpl-2.0.txt
20 ///////////////////////////////////////////////////////////////////////////////
22 #include "Filter_Downmix.h"
25 #include "Tool_WaveProperties.h"
26 #include "Model_AudioFile.h"
32 DownmixFilter::DownmixFilter(void)
34 m_binary(lamexp_lookup_tool("sox.exe"))
36 if(m_binary
.isEmpty())
38 throw "Error initializing SoX filter. Tool 'sox.exe' is not registred!";
42 DownmixFilter::~DownmixFilter(void)
46 bool DownmixFilter::apply(const QString
&sourceFile
, const QString
&outputFile
, AudioFileModel
*formatInfo
, volatile bool *abortFlag
)
48 unsigned int channels
= formatInfo
->formatAudioChannels(); //detectChannels(sourceFile, abortFlag);
49 emit
messageLogged(QString().sprintf("--> Number of channels is: %d\n", channels
));
53 messageLogged("Skipping downmix!");
54 qDebug("Dowmmix not required for Stereo input, skipping!");
61 process
.setWorkingDirectory(QFileInfo(outputFile
).canonicalPath());
63 args
<< "-V3" << "-S";
64 args
<< "--guard" << "--temp" << ".";
65 args
<< QDir::toNativeSeparators(sourceFile
);
66 args
<< QDir::toNativeSeparators(outputFile
);
71 qWarning("Downmixer: Nothing to do!");
73 args
<< "remix" << "1v0.66,3v0.34" << "2v0.66,3v0.34";
75 case 4: //3.1 (L/R/C/LFE)
76 args
<< "remix" << "1v0.5,3v0.25,4v0.25" << "2v0.5,3v0.25,4v0.25";
78 case 5: //5.0 (L/R/C/BL/BR)
79 args
<< "remix" << "1v0.5,3v0.25,4v0.25" << "2v0.5,3v0.25,5v0.25";
81 case 6: //5.1 (L/R/C/LFE/BL/BR)
82 args
<< "remix" << "1v0.4,3v0.2,4v0.2,5v0.2" << "2v0.4,3v0.2,4v0.2,6v0.2";
84 case 7: //7.0 (L/R/C/BL/BR/SL/SR)
85 args
<< "remix" << "1v0.4,3v0.2,4v0.2,6v0.2" << "2v0.4,3v0.2,5v0.2,7v0.2";
87 case 8: //7.1 (L/R/C/LFE/BL/BR/SL/SR)
88 args
<< "remix" << "1v0.36,3v0.16,4v0.16,5v0.16,7v0.16" << "2v0.36,3v0.16,4v0.16,6v0.16,8v0.16";
90 case 9: //8.1 (L/R/C/LFE/BL/BR/SL/SR/BC)
91 args
<< "remix" << "1v0.308,3v0.154,4v0.154,5v0.154,7v0.154,9v0.076" << "2v0.308,3v0.154,4v0.154,6v0.154,8v0.154,9v0.076";
94 qWarning("Downmixer: Unknown channel configuration!");
95 args
<< "channels" << "2";
99 if(!startProcess(process
, m_binary
, args
))
104 bool bTimeout
= false;
105 bool bAborted
= false;
107 QRegExp
regExp("In:(\\d+)(\\.\\d+)*%");
109 while(process
.state() != QProcess::NotRunning
)
115 emit
messageLogged("\nABORTED BY USER !!!");
118 process
.waitForReadyRead(m_processTimeoutInterval
);
119 if(!process
.bytesAvailable() && process
.state() == QProcess::Running
)
122 qWarning("SoX process timed out <-- killing!");
123 emit
messageLogged("\nPROCESS TIMEOUT !!!");
127 while(process
.bytesAvailable() > 0)
129 QByteArray line
= process
.readLine();
130 QString text
= QString::fromUtf8(line
.constData()).simplified();
131 if(regExp
.lastIndexIn(text
) >= 0)
134 int progress
= regExp
.cap(1).toInt(&ok
);
135 if(ok
) emit
statusUpdated(progress
);
137 else if(!text
.isEmpty())
139 emit
messageLogged(text
);
144 process
.waitForFinished();
145 if(process
.state() != QProcess::NotRunning
)
148 process
.waitForFinished(-1);
151 emit
statusUpdated(100);
152 emit
messageLogged(QString().sprintf("\nExited with code: 0x%04X", process
.exitCode()));
154 if(bTimeout
|| bAborted
|| process
.exitCode() != EXIT_SUCCESS
|| QFileInfo(outputFile
).size() == 0)
159 formatInfo
->setFormatAudioChannels(2);