Updated Web Updater binary. Now takes an additional "Checksum" argument.
[LameXP.git] / src / Filter_Normalize.cpp
blob2ca11c835e1cedc0035a9cfa4b0888d463ee5a9d
1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2015 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, 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_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 bool NormalizeFilter::apply(const QString &sourceFile, const QString &outputFile, AudioFileModel_TechInfo *formatInfo, volatile bool *abortFlag)
62 QProcess process;
63 QStringList args;
65 process.setWorkingDirectory(QFileInfo(outputFile).canonicalPath());
67 args << "-V3" << "-S";
68 args << "--temp" << ".";
69 args << QDir::toNativeSeparators(sourceFile);
70 args << QDir::toNativeSeparators(outputFile);
72 if(!m_useDynAudNorm)
74 args << "gain";
75 args << (m_channelsCoupled ? "-n" : "-nb");
76 args << QString().sprintf("%.2f", static_cast<double>(m_peakVolume) / 100.0);
78 else
80 args << "dynaudnorm";
81 args << "-p" << QString().sprintf("%.2f", qBound(0.1, dbToLinear(static_cast<double>(m_peakVolume) / 100.0), 1.0));
82 args << "-g" << QString().sprintf("%d", m_filterLength);
83 if(!m_channelsCoupled)
85 args << "-n";
89 if(!startProcess(process, m_binary, args))
91 return false;
94 bool bTimeout = false;
95 bool bAborted = false;
97 QRegExp regExp("In:(\\d+)(\\.\\d+)*%");
99 while(process.state() != QProcess::NotRunning)
101 if(*abortFlag)
103 process.kill();
104 bAborted = true;
105 emit messageLogged("\nABORTED BY USER !!!");
106 break;
108 process.waitForReadyRead(m_processTimeoutInterval);
109 if(!process.bytesAvailable() && process.state() == QProcess::Running)
111 process.kill();
112 qWarning("SoX process timed out <-- killing!");
113 emit messageLogged("\nPROCESS TIMEOUT !!!");
114 bTimeout = true;
115 break;
117 while(process.bytesAvailable() > 0)
119 QByteArray line = process.readLine();
120 QString text = QString::fromUtf8(line.constData()).simplified();
121 if(regExp.lastIndexIn(text) >= 0)
123 bool ok = false;
124 int progress = regExp.cap(1).toInt(&ok);
125 if(ok) emit statusUpdated(progress);
127 else if(!text.isEmpty())
129 emit messageLogged(text);
134 process.waitForFinished();
135 if(process.state() != QProcess::NotRunning)
137 process.kill();
138 process.waitForFinished(-1);
141 emit statusUpdated(100);
142 emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
144 if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS || QFileInfo(outputFile).size() == 0)
146 return false;
149 return true;