Bump version.
[LameXP.git] / src / Filter_Normalize.cpp
blob590d0f14c346871b5c0ca19718e9787d6b6a9247
1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2021 LoRd_MuldeR <MuldeR2@GMX.de>
4 //
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; always including the non-optional
9 // LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "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_Normalize.h"
25 //Internal
26 #include "Global.h"
28 //MUtils
29 #include <MUtils/Global.h>
30 #include <MUtils/Exception.h>
32 //Qt
33 #include <QDir>
34 #include <QProcess>
35 #include <QRegExp>
37 static double dbToLinear(const double &value)
39 return pow(10.0, value / 20.0);
42 NormalizeFilter::NormalizeFilter(const int &peakVolume, const bool &dnyAudNorm, const bool &channelsCoupled, const int &filterSize)
44 m_binary(lamexp_tools_lookup("sox.exe")),
45 m_useDynAudNorm(dnyAudNorm),
46 m_peakVolume(qMin(-50, qMax(-3200, peakVolume))),
47 m_channelsCoupled(channelsCoupled),
48 m_filterLength(qBound(3, filterSize + (1 - (filterSize % 2)), 301))
50 if(m_binary.isEmpty())
52 MUTILS_THROW("Error initializing SoX filter. Tool 'sox.exe' is not registred!");
56 NormalizeFilter::~NormalizeFilter(void)
60 AbstractFilter::FilterResult NormalizeFilter::apply(const QString &sourceFile, const QString &outputFile, AudioFileModel_TechInfo *const formatInfo, QAtomicInt &abortFlag)
62 QProcess process;
63 QStringList args;
65 args << "-V3" << "-S";
66 args << "--temp" << ".";
67 args << QDir::toNativeSeparators(sourceFile);
68 args << QDir::toNativeSeparators(outputFile);
70 if(!m_useDynAudNorm)
72 args << "gain";
73 args << (m_channelsCoupled ? "-n" : "-nb");
74 args << QString().sprintf("%.2f", static_cast<double>(m_peakVolume) / 100.0);
76 else
78 args << "dynaudnorm";
79 args << "-p" << QString().sprintf("%.2f", qBound(0.1, dbToLinear(static_cast<double>(m_peakVolume) / 100.0), 1.0));
80 args << "-g" << QString().sprintf("%d", m_filterLength);
81 if(!m_channelsCoupled)
83 args << "-n";
87 if(!startProcess(process, m_binary, args, QFileInfo(outputFile).canonicalPath()))
89 return AbstractFilter::FILTER_FAILURE;
92 int prevProgress = -1;
93 QRegExp regExp("In:(\\d+)(\\.\\d+)*%");
95 const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, &regExp](const QString &text)
97 if (regExp.lastIndexIn(text) >= 0)
99 qint32 newProgress;
100 if (MUtils::regexp_parse_int32(regExp, newProgress))
102 if (newProgress > prevProgress)
104 emit statusUpdated(newProgress);
105 prevProgress = NEXT_PROGRESS(newProgress);
108 return true;
110 return false;
113 if (result != RESULT_SUCCESS)
115 return AbstractFilter::FILTER_FAILURE;
118 return AbstractFilter::FILTER_SUCCESS;