1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2018 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 #define IS_VALID(X) (((X) != 0U) && ((X) != UINT_MAX))
40 DownmixFilter::DownmixFilter(void)
42 m_binary(lamexp_tools_lookup("sox.exe"))
44 if(m_binary
.isEmpty())
46 MUTILS_THROW("Error initializing SoX filter. Tool 'sox.exe' is not registred!");
50 DownmixFilter::~DownmixFilter(void)
54 AbstractFilter::FilterResult
DownmixFilter::apply(const QString
&sourceFile
, const QString
&outputFile
, AudioFileModel_TechInfo
*const formatInfo
, QAtomicInt
&abortFlag
)
56 unsigned int channels
= formatInfo
->audioChannels();
57 emit
messageLogged(QString().sprintf("--> Number of channels is: %d\n", channels
));
59 if(IS_VALID(channels
) && (channels
<= 2))
61 messageLogged("Skipping downmix!");
62 qDebug("Dowmmix not required/possible for Mono or Stereo input, skipping!");
63 return AbstractFilter::FILTER_SKIPPED
;
69 args
<< "-V3" << "-S";
70 args
<< "--guard" << "--temp" << ".";
71 args
<< QDir::toNativeSeparators(sourceFile
);
72 args
<< QDir::toNativeSeparators(outputFile
);
77 args
<< "remix" << "1v0.66,3v0.34" << "2v0.66,3v0.34";
79 case 4: //3.1 (L/R/C/LFE)
80 args
<< "remix" << "1v0.5,3v0.25,4v0.25" << "2v0.5,3v0.25,4v0.25";
82 case 5: //5.0 (L/R/C/BL/BR)
83 args
<< "remix" << "1v0.5,3v0.25,4v0.25" << "2v0.5,3v0.25,5v0.25";
85 case 6: //5.1 (L/R/C/LFE/BL/BR)
86 args
<< "remix" << "1v0.4,3v0.2,4v0.2,5v0.2" << "2v0.4,3v0.2,4v0.2,6v0.2";
88 case 7: //7.0 (L/R/C/BL/BR/SL/SR)
89 args
<< "remix" << "1v0.4,3v0.2,4v0.2,6v0.2" << "2v0.4,3v0.2,5v0.2,7v0.2";
91 case 8: //7.1 (L/R/C/LFE/BL/BR/SL/SR)
92 args
<< "remix" << "1v0.36,3v0.16,4v0.16,5v0.16,7v0.16" << "2v0.36,3v0.16,4v0.16,6v0.16,8v0.16";
94 case 9: //8.1 (L/R/C/LFE/BL/BR/SL/SR/BC)
95 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";
98 qWarning("Downmixer: Unknown channel configuration!");
99 args
<< "channels" << QString::number(2);
103 if(!startProcess(process
, m_binary
, args
, QFileInfo(outputFile
).canonicalPath()))
105 return AbstractFilter::FILTER_FAILURE
;
108 int prevProgress
= -1;
109 QRegExp
regExp("In:(\\d+)(\\.\\d+)*%");
111 const result_t result
= awaitProcess(process
, abortFlag
, [this, &prevProgress
, ®Exp
](const QString
&text
)
113 if (regExp
.lastIndexIn(text
) >= 0)
116 if (MUtils::regexp_parse_int32(regExp
, newProgress
))
118 if (newProgress
> prevProgress
)
120 emit
statusUpdated(newProgress
);
121 prevProgress
= NEXT_PROGRESS(newProgress
);
129 if (result
!= RESULT_SUCCESS
)
131 return AbstractFilter::FILTER_FAILURE
;
134 formatInfo
->setAudioChannels(2);
135 return AbstractFilter::FILTER_SUCCESS
;