1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2016 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, but always including the *additional*
9 // restrictions defined in the "License.txt" file.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License along
17 // with this program; if not, write to the Free Software Foundation, Inc.,
18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 // http://www.gnu.org/licenses/gpl-2.0.txt
21 ///////////////////////////////////////////////////////////////////////////////
23 #include "Filter_Downmix.h"
27 #include "Tool_WaveProperties.h"
28 #include "Model_AudioFile.h"
31 #include <MUtils/Exception.h>
38 DownmixFilter::DownmixFilter(void)
40 m_binary(lamexp_tools_lookup("sox.exe"))
42 if(m_binary
.isEmpty())
44 MUTILS_THROW("Error initializing SoX filter. Tool 'sox.exe' is not registred!");
48 DownmixFilter::~DownmixFilter(void)
52 AbstractFilter::FilterResult
DownmixFilter::apply(const QString
&sourceFile
, const QString
&outputFile
, AudioFileModel_TechInfo
*const formatInfo
, volatile bool *abortFlag
)
54 unsigned int channels
= formatInfo
->audioChannels(); //detectChannels(sourceFile, abortFlag);
55 emit
messageLogged(QString().sprintf("--> Number of channels is: %d\n", channels
));
57 if((channels
!= 0) && (channels
<= 2))
59 messageLogged("Skipping downmix!");
60 qDebug("Dowmmix not required/possible for Mono or Stereo input, skipping!");
61 return AbstractFilter::FILTER_SKIPPED
;
67 args
<< "-V3" << "-S";
68 args
<< "--guard" << "--temp" << ".";
69 args
<< QDir::toNativeSeparators(sourceFile
);
70 args
<< QDir::toNativeSeparators(outputFile
);
75 args
<< "remix" << "1v0.66,3v0.34" << "2v0.66,3v0.34";
77 case 4: //3.1 (L/R/C/LFE)
78 args
<< "remix" << "1v0.5,3v0.25,4v0.25" << "2v0.5,3v0.25,4v0.25";
80 case 5: //5.0 (L/R/C/BL/BR)
81 args
<< "remix" << "1v0.5,3v0.25,4v0.25" << "2v0.5,3v0.25,5v0.25";
83 case 6: //5.1 (L/R/C/LFE/BL/BR)
84 args
<< "remix" << "1v0.4,3v0.2,4v0.2,5v0.2" << "2v0.4,3v0.2,4v0.2,6v0.2";
86 case 7: //7.0 (L/R/C/BL/BR/SL/SR)
87 args
<< "remix" << "1v0.4,3v0.2,4v0.2,6v0.2" << "2v0.4,3v0.2,5v0.2,7v0.2";
89 case 8: //7.1 (L/R/C/LFE/BL/BR/SL/SR)
90 args
<< "remix" << "1v0.36,3v0.16,4v0.16,5v0.16,7v0.16" << "2v0.36,3v0.16,4v0.16,6v0.16,8v0.16";
92 case 9: //8.1 (L/R/C/LFE/BL/BR/SL/SR/BC)
93 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";
96 qWarning("Downmixer: Unknown channel configuration!");
97 args
<< "channels" << QString::number(2);
101 if(!startProcess(process
, m_binary
, args
, QFileInfo(outputFile
).canonicalPath()))
103 return AbstractFilter::FILTER_FAILURE
;
106 bool bTimeout
= false;
107 bool bAborted
= false;
109 QRegExp
regExp("In:(\\d+)(\\.\\d+)*%");
111 while(process
.state() != QProcess::NotRunning
)
117 emit
messageLogged("\nABORTED BY USER !!!");
120 process
.waitForReadyRead(m_processTimeoutInterval
);
121 if(!process
.bytesAvailable() && process
.state() == QProcess::Running
)
124 qWarning("SoX process timed out <-- killing!");
125 emit
messageLogged("\nPROCESS TIMEOUT !!!");
129 while(process
.bytesAvailable() > 0)
131 QByteArray line
= process
.readLine();
132 QString text
= QString::fromUtf8(line
.constData()).simplified();
133 if(regExp
.lastIndexIn(text
) >= 0)
136 int progress
= regExp
.cap(1).toInt(&ok
);
137 if(ok
) emit
statusUpdated(progress
);
139 else if(!text
.isEmpty())
141 emit
messageLogged(text
);
146 process
.waitForFinished();
147 if(process
.state() != QProcess::NotRunning
)
150 process
.waitForFinished(-1);
153 emit
statusUpdated(100);
154 emit
messageLogged(QString().sprintf("\nExited with code: 0x%04X", process
.exitCode()));
156 if(bTimeout
|| bAborted
|| process
.exitCode() != EXIT_SUCCESS
|| QFileInfo(outputFile
).size() == 0)
158 return AbstractFilter::FILTER_FAILURE
;
161 formatInfo
->setAudioChannels(2);
162 return AbstractFilter::FILTER_SUCCESS
;