src/Encoder_AAC_QAAC.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2012 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.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "Encoder_AAC_QAAC.h"
  23
  24 #include "Global.h"
  25 #include "Model_Settings.h"
  26
  27 #include <math.h>
  28 #include <QProcess>
  29 #include <QDir>
  30 #include <QCoreApplication>
  31
  32 QAACEncoder::QAACEncoder(void)
  33 :
  34         m_binary_enc(lamexp_lookup_tool("qaac.exe")),
  35         m_binary_dll(lamexp_lookup_tool("libsoxrate.dll"))
  36 {
  37         if(m_binary_enc.isEmpty() || m_binary_dll.isEmpty())
  38         {
  39                 throw "Error initializing QAAC. Tool 'qaac.exe' is not registred!";
  40         }
  41
  42         m_configProfile = 0;
  43 }
  44
  45 QAACEncoder::~QAACEncoder(void)
  46 {
  47 }
  48
  49 bool QAACEncoder::encode(const QString &sourceFile, const AudioFileModel &metaInfo, const QString &outputFile, volatile bool *abortFlag)
  50 {
  51         QProcess process;
  52         QStringList args;
  53
  54         process.setWorkingDirectory(QFileInfo(outputFile).canonicalPath());
  55
  56         QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
  57         env.insert("PATH", QDir::toNativeSeparators(QString("%1;%1/QTfiles;%2").arg(QDir(QCoreApplication::applicationDirPath()).canonicalPath(), lamexp_temp_folder2())));
  58         process.setProcessEnvironment(env);
  59
  60         if(m_configRCMode != SettingsModel::VBRMode)
  61         {
  62                 switch(m_configProfile)
  63                 {
  64                 case 2:
  65                 case 3:
  66                         args << "--he"; //Forces use of HE AAC profile (there is no explicit HEv2 switch for QAAC)
  67                         break;
  68                 }
  69         }
  70
  71         switch(m_configRCMode)
  72         {
  73         case SettingsModel::CBRMode:
  74                 args << "--cbr" << QString::number(qBound(32, m_configBitrate * 8, 500));
  75                 break;
  76         case SettingsModel::ABRMode:
  77                 args << "--abr" << QString::number(qBound(32, m_configBitrate * 8, 500));
  78                 break;
  79         case SettingsModel::VBRMode:
  80                 args << "--tvbr" << QString::number(qBound(0, qRound((static_cast<double>(m_configBitrate * 5) / 100.0) * 127.0), 127));
  81                 break;
  82         default:
  83                 throw "Bad rate-control mode!";
  84                 break;
  85         }
  86
  87         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
  88
  89         if(!metaInfo.fileName().isEmpty()) args << "--title" << metaInfo.fileName();
  90         if(!metaInfo.fileArtist().isEmpty()) args << "--artist" << metaInfo.fileArtist();
  91         if(!metaInfo.fileAlbum().isEmpty()) args << "--album" << metaInfo.fileAlbum();
  92         if(!metaInfo.fileGenre().isEmpty()) args << "--genre" << metaInfo.fileGenre();
  93         if(!metaInfo.fileComment().isEmpty()) args << "--comment" << metaInfo.fileComment();
  94         if(metaInfo.fileYear()) args << "--date" << QString::number(metaInfo.fileYear());
  95         if(metaInfo.filePosition()) args << "--track" << QString::number(metaInfo.filePosition());
  96         if(!metaInfo.fileCover().isEmpty()) args << "--artwork" << metaInfo.fileCover();
  97
  98         args << "-d" << ".";
  99         args << "-o" << QDir::toNativeSeparators(outputFile);
 100         args << QDir::toNativeSeparators(sourceFile);
 101
 102         if(!startProcess(process, m_binary_enc, args))
 103         {
 104                 return false;
 105         }
 106
 107         bool bTimeout = false;
 108         bool bAborted = false;
 109         int prevProgress = -1;
 110
 111         QRegExp regExp("\\[(\\d+)\\.(\\d)%\\]");
 112
 113         while(process.state() != QProcess::NotRunning)
 114         {
 115                 if(*abortFlag)
 116                 {
 117                         process.kill();
 118                         bAborted = true;
 119                         emit messageLogged("\nABORTED BY USER !!!");
 120                         break;
 121                 }
 122                 process.waitForReadyRead(m_processTimeoutInterval);
 123                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 124                 {
 125                         process.kill();
 126                         qWarning("QAAC process timed out <-- killing!");
 127                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 128                         bTimeout = true;
 129                         break;
 130                 }
 131                 while(process.bytesAvailable() > 0)
 132                 {
 133                         QByteArray line = process.readLine();
 134                         QString text = QString::fromUtf8(line.constData()).simplified();
 135                         if(regExp.lastIndexIn(text) >= 0)
 136                         {
 137                                 bool ok = false;
 138                                 int progress = regExp.cap(1).toInt(&ok);
 139                                 if(ok && (progress > prevProgress))
 140                                 {
 141                                         emit statusUpdated(progress);
 142                                         prevProgress = qMin(progress + 2, 99);
 143                                 }
 144                         }
 145                         else if(!text.isEmpty())
 146                         {
 147                                 emit messageLogged(text);
 148                         }
 149                 }
 150         }
 151
 152         process.waitForFinished();
 153         if(process.state() != QProcess::NotRunning)
 154         {
 155                 process.kill();
 156                 process.waitForFinished(-1);
 157         }
 158
 159         emit statusUpdated(100);
 160         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 161
 162         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 163         {
 164                 return false;
 165         }
 166
 167         return true;
 168 }
 169
 170 QString QAACEncoder::extension(void)
 171 {
 172         return "mp4";
 173 }
 174
 175 bool QAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 176 {
 177         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 178         {
 179                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 180                 {
 181                         return true;
 182                 }
 183         }
 184
 185         return false;
 186 }
 187
 188
 189 void QAACEncoder::setProfile(int profile)
 190 {
 191         m_configProfile = profile;
 192 }