src/Encoder_AAC_QAAC.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2011 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 {
  36         if(m_binary_enc.isEmpty())
  37         {
  38                 throw "Error initializing QAAC. Tool 'qaac.exe' is not registred!";
  39         }
  40
  41         m_configProfile = 0;
  42 }
  43
  44 QAACEncoder::~QAACEncoder(void)
  45 {
  46 }
  47
  48 bool QAACEncoder::encode(const QString &sourceFile, const AudioFileModel &metaInfo, const QString &outputFile, volatile bool *abortFlag)
  49 {
  50         QProcess process;
  51         QStringList args;
  52
  53         process.setWorkingDirectory(QFileInfo(outputFile).canonicalPath());
  54
  55         QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
  56         env.insert("PATH", QString("%1;%2").arg(QDir::toNativeSeparators(QDir(QCoreApplication::applicationDirPath()).canonicalPath()), QDir::toNativeSeparators(lamexp_temp_folder2())));
  57         env.insert("TEMP", QDir::toNativeSeparators(lamexp_temp_folder2()));
  58         env.insert("TMP", QDir::toNativeSeparators(lamexp_temp_folder2()));
  59         process.setProcessEnvironment(env);
  60
  61         if(m_configRCMode != SettingsModel::VBRMode)
  62         {
  63                 switch(m_configProfile)
  64                 {
  65                 case 2:
  66                 case 3:
  67                         args << "--he"; //Forces use of HE AAC profile (there is no explicit HEv2 switch for QAAC)
  68                         break;
  69                 }
  70         }
  71
  72         switch(m_configRCMode)
  73         {
  74         case SettingsModel::CBRMode:
  75                 args << "--cbr" << QString::number(qBound(32, m_configBitrate * 8, 500));
  76                 break;
  77         case SettingsModel::ABRMode:
  78                 args << "--abr" << QString::number(qBound(32, m_configBitrate * 8, 500));
  79                 break;
  80         case SettingsModel::VBRMode:
  81                 args << "--tvbr" << QString::number(qBound(0, qRound((static_cast<double>(m_configBitrate * 5) / 100.0) * 127.0), 127));
  82                 break;
  83         default:
  84                 throw "Bad rate-control mode!";
  85                 break;
  86         }
  87
  88         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
  89
  90         if(!metaInfo.fileName().isEmpty()) args << "--title" << metaInfo.fileName();
  91         if(!metaInfo.fileArtist().isEmpty()) args << "--artist" << metaInfo.fileArtist();
  92         if(!metaInfo.fileAlbum().isEmpty()) args << "--album" << metaInfo.fileAlbum();
  93         if(!metaInfo.fileGenre().isEmpty()) args << "--genre" << metaInfo.fileGenre();
  94         if(!metaInfo.fileComment().isEmpty()) args << "--comment" << metaInfo.fileComment();
  95         if(metaInfo.fileYear()) args << "--date" << QString::number(metaInfo.fileYear());
  96         if(metaInfo.filePosition()) args << "--track" << QString::number(metaInfo.filePosition());
  97         if(!metaInfo.fileCover().isEmpty()) args << "--artwork" << metaInfo.fileCover();
  98
  99         args << "-d" << ".";
 100         args << "-o" << QDir::toNativeSeparators(outputFile);
 101         args << QDir::toNativeSeparators(sourceFile);
 102
 103         if(!startProcess(process, m_binary_enc, args))
 104         {
 105                 return false;
 106         }
 107
 108         bool bTimeout = false;
 109         bool bAborted = false;
 110         int prevProgress = -1;
 111
 112         QRegExp regExp("\\[(\\d+)\\.(\\d)%\\]");
 113
 114         while(process.state() != QProcess::NotRunning)
 115         {
 116                 if(*abortFlag)
 117                 {
 118                         process.kill();
 119                         bAborted = true;
 120                         emit messageLogged("\nABORTED BY USER !!!");
 121                         break;
 122                 }
 123                 process.waitForReadyRead(m_processTimeoutInterval);
 124                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 125                 {
 126                         process.kill();
 127                         qWarning("QAAC process timed out <-- killing!");
 128                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 129                         bTimeout = true;
 130                         break;
 131                 }
 132                 while(process.bytesAvailable() > 0)
 133                 {
 134                         QByteArray line = process.readLine();
 135                         QString text = QString::fromUtf8(line.constData()).simplified();
 136                         if(regExp.lastIndexIn(text) >= 0)
 137                         {
 138                                 bool ok = false;
 139                                 int progress = regExp.cap(1).toInt(&ok);
 140                                 if(ok && (progress > prevProgress))
 141                                 {
 142                                         emit statusUpdated(progress);
 143                                         prevProgress = qMin(progress + 2, 99);
 144                                 }
 145                         }
 146                         else if(!text.isEmpty())
 147                         {
 148                                 emit messageLogged(text);
 149                         }
 150                 }
 151         }
 152
 153         process.waitForFinished();
 154         if(process.state() != QProcess::NotRunning)
 155         {
 156                 process.kill();
 157                 process.waitForFinished(-1);
 158         }
 159
 160         emit statusUpdated(100);
 161         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 162
 163         if(bTimeout || bAborted || process.exitStatus() != QProcess::NormalExit)
 164         {
 165                 return false;
 166         }
 167
 168         return true;
 169 }
 170
 171 QString QAACEncoder::extension(void)
 172 {
 173         return "mp4";
 174 }
 175
 176 bool QAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 177 {
 178         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 179         {
 180                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 181                 {
 182                         return true;
 183                 }
 184         }
 185
 186         return false;
 187 }
 188
 189
 190 void QAACEncoder::setProfile(int profile)
 191 {
 192         m_configProfile = profile;
 193 }