src/Filter_ToneAdjust.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2014 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.
  10 //
  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.
  15 //
  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.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #include "Filter_ToneAdjust.h"
  24
  25 #include "Global.h"
  26
  27 #include <QDir>
  28 #include <QProcess>
  29 #include <QRegExp>
  30 #include <QFileInfo>
  31
  32 ToneAdjustFilter::ToneAdjustFilter(int bass, int treble)
  33 :
  34         m_binary(lamexp_lookup_tool("sox.exe"))
  35 {
  36         if(m_binary.isEmpty())
  37         {
  38                 THROW("Error initializing SoX filter. Tool 'sox.exe' is not registred!");
  39         }
  40
  41         m_bass = qMax(-2000, qMin(2000, bass));
  42         m_treble = qMax(-2000, qMin(2000, treble));
  43 }
  44
  45 ToneAdjustFilter::~ToneAdjustFilter(void)
  46 {
  47 }
  48
  49 bool ToneAdjustFilter::apply(const QString &sourceFile, const QString &outputFile, AudioFileModel_TechInfo *formatInfo, volatile bool *abortFlag)
  50 {
  51         QProcess process;
  52         QStringList args;
  53
  54         process.setWorkingDirectory(QFileInfo(outputFile).canonicalPath());
  55
  56         args << "-V3" << "-S";
  57         args << "--guard" << "--temp" << ".";
  58         args << QDir::toNativeSeparators(sourceFile);
  59         args << QDir::toNativeSeparators(outputFile);
  60
  61         if(m_bass != 0)
  62         {
  63                 args << "bass" << QString().sprintf("%s%.2f", ((m_bass < 0) ? "-" : "+"), static_cast<double>(abs(m_bass)) / 100.0);
  64         }
  65         if(m_treble != 0)
  66         {
  67                 args << "treble" << QString().sprintf("%s%.2f", ((m_treble < 0) ? "-" : "+"), static_cast<double>(abs(m_treble)) / 100.0);
  68         }
  69
  70         if(!startProcess(process, m_binary, args))
  71         {
  72                 return false;
  73         }
  74
  75         bool bTimeout = false;
  76         bool bAborted = false;
  77
  78         QRegExp regExp("In:(\\d+)(\\.\\d+)*%");
  79
  80         while(process.state() != QProcess::NotRunning)
  81         {
  82                 if(*abortFlag)
  83                 {
  84                         process.kill();
  85                         bAborted = true;
  86                         emit messageLogged("\nABORTED BY USER !!!");
  87                         break;
  88                 }
  89                 process.waitForReadyRead(m_processTimeoutInterval);
  90                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
  91                 {
  92                         process.kill();
  93                         qWarning("SoX process timed out <-- killing!");
  94                         emit messageLogged("\nPROCESS TIMEOUT !!!");
  95                         bTimeout = true;
  96                         break;
  97                 }
  98                 while(process.bytesAvailable() > 0)
  99                 {
 100                         QByteArray line = process.readLine();
 101                         QString text = QString::fromUtf8(line.constData()).simplified();
 102                         if(regExp.lastIndexIn(text) >= 0)
 103                         {
 104                                 bool ok = false;
 105                                 int progress = regExp.cap(1).toInt(&ok);
 106                                 if(ok) emit statusUpdated(progress);
 107                         }
 108                         else if(!text.isEmpty())
 109                         {
 110                                 emit messageLogged(text);
 111                         }
 112                 }
 113         }
 114
 115         process.waitForFinished();
 116         if(process.state() != QProcess::NotRunning)
 117         {
 118                 process.kill();
 119                 process.waitForFinished(-1);
 120         }
 121
 122         emit statusUpdated(100);
 123         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 124
 125         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS || QFileInfo(outputFile).size() == 0)
 126         {
 127                 return false;
 128         }
 129
 130         return true;
 131 }