src/Encoder_AAC.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.h"
  23
  24 #include "Global.h"
  25 #include "Model_Settings.h"
  26
  27 #include <QProcess>
  28 #include <QDir>
  29
  30 AACEncoder::AACEncoder(void)
  31 :
  32         m_binary_enc(lamexp_lookup_tool("neroAacEnc.exe")),
  33         m_binary_tag(lamexp_lookup_tool("neroAacTag.exe"))
  34 {
  35         if(m_binary_enc.isEmpty() || m_binary_tag.isEmpty())
  36         {
  37                 throw "Error initializing AAC encoder. Tool 'neroAacEnc.exe' is not registred!";
  38         }
  39
  40         m_configProfile = 0;
  41         m_configEnable2Pass = true;
  42 }
  43
  44 AACEncoder::~AACEncoder(void)
  45 {
  46 }
  47
  48 bool AACEncoder::encode(const QString &sourceFile, const AudioFileModel &metaInfo, const QString &outputFile, volatile bool *abortFlag)
  49 {
  50         QProcess process;
  51         QStringList args;
  52         const QString baseName = QFileInfo(outputFile).fileName();
  53
  54         switch(m_configRCMode)
  55         {
  56         case SettingsModel::VBRMode:
  57                 args << "-q" << QString().sprintf("%.2f", qMin(1.0, qMax(0.0, static_cast<double>(m_configBitrate * 5) / 100.0)));
  58                 break;
  59         case SettingsModel::ABRMode:
  60                 args << "-br" << QString::number(qMax(32, qMin(500, (m_configBitrate * 8))) * 1000);
  61                 break;
  62         case SettingsModel::CBRMode:
  63                 args << "-cbr" << QString::number(qMax(32, qMin(500, (m_configBitrate * 8))) * 1000);
  64                 break;
  65         default:
  66                 throw "Bad rate-control mode!";
  67                 break;
  68         }
  69
  70         if(m_configEnable2Pass && (m_configRCMode == SettingsModel::ABRMode))
  71         {
  72                 args << "-2pass";
  73         }
  74
  75         switch(m_configProfile)
  76         {
  77         case 1:
  78                 args << "-lc"; //Forces use of LC AAC profile
  79                 break;
  80         case 2:
  81                 args << "-he"; //Forces use of HE AAC profile
  82                 break;
  83         case 3:
  84                 args << "-hev2"; //Forces use of HEv2 AAC profile
  85                 break;
  86         }
  87
  88         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
  89
  90         args << "-if" << QDir::toNativeSeparators(sourceFile);
  91         args << "-of" << QDir::toNativeSeparators(outputFile);
  92
  93         if(!startProcess(process, m_binary_enc, args))
  94         {
  95                 return false;
  96         }
  97
  98         bool bTimeout = false;
  99         bool bAborted = false;
 100
 101         QRegExp regExp("Processed\\s+(\\d+)\\s+seconds");
 102         QRegExp regExp_pass1("First\\s+pass:\\s+processed\\s+(\\d+)\\s+seconds");
 103         QRegExp regExp_pass2("Second\\s+pass:\\s+processed\\s+(\\d+)\\s+seconds");
 104
 105         while(process.state() != QProcess::NotRunning)
 106         {
 107                 if(*abortFlag)
 108                 {
 109                         process.kill();
 110                         bAborted = true;
 111                         emit messageLogged("\nABORTED BY USER !!!");
 112                         break;
 113                 }
 114                 process.waitForReadyRead(m_processTimeoutInterval);
 115                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 116                 {
 117                         process.kill();
 118                         qWarning("NeroAacEnc process timed out <-- killing!");
 119                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 120                         bTimeout = true;
 121                         break;
 122                 }
 123                 while(process.bytesAvailable() > 0)
 124                 {
 125                         QByteArray line = process.readLine();
 126                         QString text = QString::fromUtf8(line.constData()).simplified();
 127                         if(regExp_pass1.lastIndexIn(text) >= 0)
 128                         {
 129                                 bool ok = false;
 130                                 int progress = regExp_pass1.cap(1).toInt(&ok);
 131                                 if(ok && metaInfo.fileDuration() > 0)
 132                                 {
 133                                         emit statusUpdated(static_cast<int>((static_cast<double>(progress) / static_cast<double>(metaInfo.fileDuration())) * 50.0));
 134                                 }
 135                         }
 136                         else if(regExp_pass2.lastIndexIn(text) >= 0)
 137                         {
 138                                 bool ok = false;
 139                                 int progress = regExp_pass2.cap(1).toInt(&ok);
 140                                 if(ok && metaInfo.fileDuration() > 0)
 141                                 {
 142                                         emit statusUpdated(static_cast<int>((static_cast<double>(progress) / static_cast<double>(metaInfo.fileDuration())) * 50.0) + 50);
 143                                 }
 144                         }
 145                         else if(regExp.lastIndexIn(text) >= 0)
 146                         {
 147                                 bool ok = false;
 148                                 int progress = regExp.cap(1).toInt(&ok);
 149                                 if(ok && metaInfo.fileDuration() > 0)
 150                                 {
 151                                         emit statusUpdated(static_cast<int>((static_cast<double>(progress) / static_cast<double>(metaInfo.fileDuration())) * 100.0));
 152                                 }
 153                         }
 154                         else if(!text.isEmpty())
 155                         {
 156                                 emit messageLogged(text);
 157                         }
 158                 }
 159         }
 160
 161         process.waitForFinished();
 162         if(process.state() != QProcess::NotRunning)
 163         {
 164                 process.kill();
 165                 process.waitForFinished(-1);
 166         }
 167
 168         emit statusUpdated(100);
 169         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 170
 171         if(bTimeout || bAborted || process.exitStatus() != QProcess::NormalExit)
 172         {
 173                 return false;
 174         }
 175
 176         emit messageLogged("\n-------------------------------\n");
 177
 178         args.clear();
 179         args << QDir::toNativeSeparators(outputFile);
 180
 181         if(!metaInfo.fileName().isEmpty()) args << QString("-meta:title=%1").arg(metaInfo.fileName());
 182         if(!metaInfo.fileArtist().isEmpty()) args << QString("-meta:artist=%1").arg(metaInfo.fileArtist());
 183         if(!metaInfo.fileAlbum().isEmpty()) args << QString("-meta:album=%1").arg(metaInfo.fileAlbum());
 184         if(!metaInfo.fileGenre().isEmpty()) args << QString("-meta:genre=%1").arg(metaInfo.fileGenre());
 185         if(!metaInfo.fileComment().isEmpty()) args << QString("-meta:comment=%1").arg(metaInfo.fileComment());
 186         if(metaInfo.fileYear()) args << QString("-meta:year=%1").arg(QString::number(metaInfo.fileYear()));
 187         if(metaInfo.filePosition()) args << QString("-meta:track=%1").arg(QString::number(metaInfo.filePosition()));
 188         if(!metaInfo.fileCover().isEmpty()) args << QString("-add-cover:%1:%2").arg("front", metaInfo.fileCover());
 189
 190         if(!startProcess(process, m_binary_tag, args))
 191         {
 192                 return false;
 193         }
 194
 195         bTimeout = false;
 196
 197         while(process.state() != QProcess::NotRunning)
 198         {
 199                 if(*abortFlag)
 200                 {
 201                         process.kill();
 202                         bAborted = true;
 203                         emit messageLogged("\nABORTED BY USER !!!");
 204                         break;
 205                 }
 206                 process.waitForReadyRead(m_processTimeoutInterval);
 207                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 208                 {
 209                         process.kill();
 210                         qWarning("NeroAacTag process timed out <-- killing!");
 211                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 212                         bTimeout = true;
 213                         break;
 214                 }
 215                 while(process.bytesAvailable() > 0)
 216                 {
 217                         QByteArray line = process.readLine();
 218                         QString text = QString::fromUtf8(line.constData()).simplified();
 219                         if(!text.isEmpty())
 220                         {
 221                                 emit messageLogged(text);
 222                         }
 223                 }
 224         }
 225
 226         process.waitForFinished();
 227         if(process.state() != QProcess::NotRunning)
 228         {
 229                 process.kill();
 230                 process.waitForFinished(-1);
 231         }
 232
 233         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 234
 235         if(bTimeout || bAborted || process.exitStatus() != QProcess::NormalExit)
 236         {
 237                 return false;
 238         }
 239
 240         return true;
 241 }
 242
 243 QString AACEncoder::extension(void)
 244 {
 245         return "mp4";
 246 }
 247
 248 bool AACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 249 {
 250         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 251         {
 252                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 253                 {
 254                         return true;
 255                 }
 256         }
 257
 258         return false;
 259 }
 260
 261
 262 void AACEncoder::setProfile(int profile)
 263 {
 264         m_configProfile = profile;
 265 }
 266
 267 void AACEncoder::setEnable2Pass(bool enabled)
 268 {
 269         m_configEnable2Pass = enabled;
 270 }