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 #define max(a,b) (((a) > (b)) ? (a) : (b))
  31 #define min(a,b) (((a) < (b)) ? (a) : (b))
  32
  33 AACEncoder::AACEncoder(void)
  34 :
  35         m_binary_enc(lamexp_lookup_tool("neroAacEnc.exe")),
  36         m_binary_tag(lamexp_lookup_tool("neroAacTag.exe"))
  37 {
  38         if(m_binary_enc.isEmpty() || m_binary_tag.isEmpty())
  39         {
  40                 throw "Error initializing AAC encoder. Tool 'neroAacEnc.exe' is not registred!";
  41         }
  42
  43         m_configProfile = 0;
  44         m_configEnable2Pass = true;
  45 }
  46
  47 AACEncoder::~AACEncoder(void)
  48 {
  49 }
  50
  51 bool AACEncoder::encode(const QString &sourceFile, const AudioFileModel &metaInfo, const QString &outputFile, volatile bool *abortFlag)
  52 {
  53         QProcess process;
  54         QStringList args;
  55         const QString baseName = QFileInfo(outputFile).fileName();
  56
  57         switch(m_configRCMode)
  58         {
  59         case SettingsModel::VBRMode:
  60                 args << "-q" << QString().sprintf("%.2f", min(1.0, max(0.0, static_cast<double>(m_configBitrate * 5) / 100.0)));
  61                 break;
  62         case SettingsModel::ABRMode:
  63                 args << "-br" << QString::number(max(32, min(500, (m_configBitrate * 8))) * 1000);
  64                 break;
  65         case SettingsModel::CBRMode:
  66                 args << "-cbr" << QString::number(max(32, min(500, (m_configBitrate * 8))) * 1000);
  67                 break;
  68         default:
  69                 throw "Bad rate-control mode!";
  70                 break;
  71         }
  72
  73         if(m_configEnable2Pass && (m_configRCMode == SettingsModel::ABRMode))
  74         {
  75                 args << "-2pass";
  76         }
  77
  78         switch(m_configProfile)
  79         {
  80         case 1:
  81                 args << "-lc"; //Forces use of LC AAC profile
  82                 break;
  83         case 2:
  84                 args << "-he"; //Forces use of HE AAC profile
  85                 break;
  86         case 3:
  87                 args << "-hev2"; //Forces use of HEv2 AAC profile
  88                 break;
  89         }
  90
  91         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
  92
  93         args << "-if" << QDir::toNativeSeparators(sourceFile);
  94         args << "-of" << QDir::toNativeSeparators(outputFile);
  95
  96         if(!startProcess(process, m_binary_enc, args))
  97         {
  98                 return false;
  99         }
 100
 101         bool bTimeout = false;
 102         bool bAborted = false;
 103
 104         QRegExp regExp("Processed\\s+(\\d+)\\s+seconds");
 105         QRegExp regExp_pass1("First\\s+pass:\\s+processed\\s+(\\d+)\\s+seconds");
 106         QRegExp regExp_pass2("Second\\s+pass:\\s+processed\\s+(\\d+)\\s+seconds");
 107
 108         while(process.state() != QProcess::NotRunning)
 109         {
 110                 if(*abortFlag)
 111                 {
 112                         process.kill();
 113                         bAborted = true;
 114                         emit messageLogged("\nABORTED BY USER !!!");
 115                         break;
 116                 }
 117                 process.waitForReadyRead(m_processTimeoutInterval);
 118                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 119                 {
 120                         process.kill();
 121                         qWarning("NeroAacEnc process timed out <-- killing!");
 122                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 123                         bTimeout = true;
 124                         break;
 125                 }
 126                 while(process.bytesAvailable() > 0)
 127                 {
 128                         QByteArray line = process.readLine();
 129                         QString text = QString::fromUtf8(line.constData()).simplified();
 130                         if(regExp_pass1.lastIndexIn(text) >= 0)
 131                         {
 132                                 bool ok = false;
 133                                 int progress = regExp_pass1.cap(1).toInt(&ok);
 134                                 if(ok && metaInfo.fileDuration() > 0)
 135                                 {
 136                                         emit statusUpdated(static_cast<int>((static_cast<double>(progress) / static_cast<double>(metaInfo.fileDuration())) * 50.0));
 137                                 }
 138                         }
 139                         else if(regExp_pass2.lastIndexIn(text) >= 0)
 140                         {
 141                                 bool ok = false;
 142                                 int progress = regExp_pass2.cap(1).toInt(&ok);
 143                                 if(ok && metaInfo.fileDuration() > 0)
 144                                 {
 145                                         emit statusUpdated(static_cast<int>((static_cast<double>(progress) / static_cast<double>(metaInfo.fileDuration())) * 50.0) + 50);
 146                                 }
 147                         }
 148                         else if(regExp.lastIndexIn(text) >= 0)
 149                         {
 150                                 bool ok = false;
 151                                 int progress = regExp.cap(1).toInt(&ok);
 152                                 if(ok && metaInfo.fileDuration() > 0)
 153                                 {
 154                                         emit statusUpdated(static_cast<int>((static_cast<double>(progress) / static_cast<double>(metaInfo.fileDuration())) * 100.0));
 155                                 }
 156                         }
 157                         else if(!text.isEmpty())
 158                         {
 159                                 emit messageLogged(text);
 160                         }
 161                 }
 162         }
 163
 164         process.waitForFinished();
 165         if(process.state() != QProcess::NotRunning)
 166         {
 167                 process.kill();
 168                 process.waitForFinished(-1);
 169         }
 170
 171         emit statusUpdated(100);
 172         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 173
 174         if(bTimeout || bAborted || process.exitStatus() != QProcess::NormalExit)
 175         {
 176                 return false;
 177         }
 178
 179         emit messageLogged("\n-------------------------------\n");
 180
 181         args.clear();
 182         args << QDir::toNativeSeparators(outputFile);
 183
 184         if(!metaInfo.fileName().isEmpty()) args << QString("-meta:title=%1").arg(metaInfo.fileName());
 185         if(!metaInfo.fileArtist().isEmpty()) args << QString("-meta:artist=%1").arg(metaInfo.fileArtist());
 186         if(!metaInfo.fileAlbum().isEmpty()) args << QString("-meta:album=%1").arg(metaInfo.fileAlbum());
 187         if(!metaInfo.fileGenre().isEmpty()) args << QString("-meta:genre=%1").arg(metaInfo.fileGenre());
 188         if(!metaInfo.fileComment().isEmpty()) args << QString("-meta:comment=%1").arg(metaInfo.fileComment());
 189         if(metaInfo.fileYear()) args << QString("-meta:year=%1").arg(QString::number(metaInfo.fileYear()));
 190         if(metaInfo.filePosition()) args << QString("-meta:track=%1").arg(QString::number(metaInfo.filePosition()));
 191         if(!metaInfo.fileCover().isEmpty()) args << QString("-add-cover:%1:%2").arg("front", metaInfo.fileCover());
 192
 193         if(!startProcess(process, m_binary_tag, args))
 194         {
 195                 return false;
 196         }
 197
 198         bTimeout = false;
 199
 200         while(process.state() != QProcess::NotRunning)
 201         {
 202                 if(*abortFlag)
 203                 {
 204                         process.kill();
 205                         bAborted = true;
 206                         emit messageLogged("\nABORTED BY USER !!!");
 207                         break;
 208                 }
 209                 process.waitForReadyRead(m_processTimeoutInterval);
 210                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 211                 {
 212                         process.kill();
 213                         qWarning("NeroAacTag process timed out <-- killing!");
 214                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 215                         bTimeout = true;
 216                         break;
 217                 }
 218                 while(process.bytesAvailable() > 0)
 219                 {
 220                         QByteArray line = process.readLine();
 221                         QString text = QString::fromUtf8(line.constData()).simplified();
 222                         if(!text.isEmpty())
 223                         {
 224                                 emit messageLogged(text);
 225                         }
 226                 }
 227         }
 228
 229         process.waitForFinished();
 230         if(process.state() != QProcess::NotRunning)
 231         {
 232                 process.kill();
 233                 process.waitForFinished(-1);
 234         }
 235
 236         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 237
 238         if(bTimeout || bAborted || process.exitStatus() != QProcess::NormalExit)
 239         {
 240                 return false;
 241         }
 242
 243         return true;
 244 }
 245
 246 QString AACEncoder::extension(void)
 247 {
 248         return "mp4";
 249 }
 250
 251 bool AACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 252 {
 253         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 254         {
 255                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 256                 {
 257                         return true;
 258                 }
 259         }
 260
 261         return false;
 262 }
 263
 264
 265 void AACEncoder::setProfile(int profile)
 266 {
 267         m_configProfile = profile;
 268 }
 269
 270 void AACEncoder::setEnable2Pass(bool enabled)
 271 {
 272         m_configEnable2Pass = enabled;
 273 }