src/Encoder_AAC_FDK.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2015 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 "Encoder_AAC_FDK.h"
  24
  25 //Internal
  26 #include "Global.h"
  27 #include "Model_Settings.h"
  28
  29 //MUtils
  30 #include <MUtils/Global.h>
  31
  32 //StdLib
  33 #include <math.h>
  34
  35 //Qt
  36 #include <QProcess>
  37 #include <QDir>
  38 #include <QCoreApplication>
  39
  40 static int index2bitrate(const int index)
  41 {
  42         return (index < 32) ? ((index + 1) * 8) : ((index - 15) * 16);
  43 }
  44
  45 ///////////////////////////////////////////////////////////////////////////////
  46 // Encoder Info
  47 ///////////////////////////////////////////////////////////////////////////////
  48
  49 class FDKAACEncoderInfo : public AbstractEncoderInfo
  50 {
  51         virtual bool isModeSupported(int mode) const
  52         {
  53                 switch(mode)
  54                 {
  55                 case SettingsModel::VBRMode:
  56                 case SettingsModel::CBRMode:
  57                         return true;
  58                         break;
  59                 case SettingsModel::ABRMode:
  60                         return false;
  61                         break;
  62                 default:
  63                         MUTILS_THROW("Bad RC mode specified!");
  64                 }
  65         }
  66
  67         virtual int valueCount(int mode) const
  68         {
  69                 switch(mode)
  70                 {
  71                 case SettingsModel::VBRMode:
  72                         return 4;
  73                         break;
  74                 case SettingsModel::CBRMode:
  75                         return 52;
  76                         break;
  77                 default:
  78                         MUTILS_THROW("Bad RC mode specified!");
  79                 }
  80         }
  81
  82         virtual int valueAt(int mode, int index) const
  83         {
  84                 switch(mode)
  85                 {
  86                 case SettingsModel::VBRMode:
  87                         return qBound(1, index + 1 , 5);
  88                         break;
  89                 case SettingsModel::CBRMode:
  90                         return qBound(8, index2bitrate(index), 576);
  91                         break;
  92                 default:
  93                         MUTILS_THROW("Bad RC mode specified!");
  94                 }
  95         }
  96
  97         virtual int valueType(int mode) const
  98         {
  99                 switch(mode)
 100                 {
 101                 case SettingsModel::VBRMode:
 102                         return TYPE_QUALITY_LEVEL_INT;
 103                         break;
 104                 case SettingsModel::CBRMode:
 105                         return TYPE_BITRATE;
 106                         break;
 107                 default:
 108                         MUTILS_THROW("Bad RC mode specified!");
 109                 }
 110         }
 111
 112         virtual const char *description(void) const
 113         {
 114                 static const char* s_description = "fdkaac (libfdk-aac encoder)";
 115                 return s_description;
 116         }
 117 }
 118 static const g_fdkAacEncoderInfo;
 119
 120 ///////////////////////////////////////////////////////////////////////////////
 121 // Encoder implementation
 122 ///////////////////////////////////////////////////////////////////////////////
 123
 124 FDKAACEncoder::FDKAACEncoder(void)
 125 :
 126         m_binary(lamexp_tools_lookup("fdkaac.exe"))
 127 {
 128         if(m_binary.isEmpty())
 129         {
 130                 MUTILS_THROW("Error initializing FDKAAC. Tool 'fdkaac.exe' is not registred!");
 131         }
 132
 133         m_configProfile = 0;
 134 }
 135
 136 FDKAACEncoder::~FDKAACEncoder(void)
 137 {
 138 }
 139
 140 bool FDKAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const QString &outputFile, volatile bool *abortFlag)
 141 {
 142         QProcess process;
 143         QStringList args;
 144
 145         process.setWorkingDirectory(QFileInfo(outputFile).canonicalPath());
 146
 147         QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
 148         env.insert("PATH", QDir::toNativeSeparators(QString("%1;%1/QTfiles;%2").arg(QDir(QCoreApplication::applicationDirPath()).canonicalPath(), MUtils::temp_folder())));
 149         process.setProcessEnvironment(env);
 150
 151         switch(m_configProfile)
 152         {
 153         case 1:
 154                 args << "-p" << "2";
 155                 break;
 156         case 2:
 157                 args << "-p" << "5";
 158                 break;
 159         case 3:
 160                 args << "-p" << "29";
 161                 break;
 162         }
 163
 164         switch(m_configRCMode)
 165         {
 166         case SettingsModel::CBRMode:
 167                 args << "-b" << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 168                 break;
 169         case SettingsModel::VBRMode:
 170                 args << "-m" << QString::number(qBound(1, m_configBitrate + 1 , 5));
 171                 break;
 172         default:
 173                 MUTILS_THROW("Bad rate-control mode!");
 174                 break;
 175         }
 176
 177         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 178
 179         if(!metaInfo.title().isEmpty())   args << "--title"   << cleanTag(metaInfo.title());
 180         if(!metaInfo.artist().isEmpty())  args << "--artist"  << cleanTag(metaInfo.artist());
 181         if(!metaInfo.album().isEmpty())   args << "--album"   << cleanTag(metaInfo.album());
 182         if(!metaInfo.genre().isEmpty())   args << "--genre"   << cleanTag(metaInfo.genre());
 183         if(!metaInfo.comment().isEmpty()) args << "--comment" << cleanTag( metaInfo.comment());
 184         if(metaInfo.year())               args << "--date"    << QString::number(metaInfo.year());
 185         if(metaInfo.position())           args << "--track"   << QString::number(metaInfo.position());
 186
 187         args << "-o" << QDir::toNativeSeparators(outputFile);
 188         args << QDir::toNativeSeparators(sourceFile);
 189
 190         if(!startProcess(process, m_binary, args))
 191         {
 192                 return false;
 193         }
 194
 195         bool bTimeout = false;
 196         bool bAborted = false;
 197         int prevProgress = -1;
 198
 199         QRegExp regExp("\\[(\\d+)%\\]\\s+(\\d+):(\\d+)");
 200
 201         while(process.state() != QProcess::NotRunning)
 202         {
 203                 if(*abortFlag)
 204                 {
 205                         process.kill();
 206                         bAborted = true;
 207                         emit messageLogged("\nABORTED BY USER !!!");
 208                         break;
 209                 }
 210                 process.waitForReadyRead(m_processTimeoutInterval);
 211                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 212                 {
 213                         process.kill();
 214                         qWarning("FDKAAC process timed out <-- killing!");
 215                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 216                         bTimeout = true;
 217                         break;
 218                 }
 219                 while(process.bytesAvailable() > 0)
 220                 {
 221                         QByteArray line = process.readLine();
 222                         QString text = QString::fromUtf8(line.constData()).simplified();
 223                         if(regExp.lastIndexIn(text) >= 0)
 224                         {
 225                                 bool ok = false;
 226                                 int progress = regExp.cap(1).toInt(&ok);
 227                                 if(ok && (progress > prevProgress))
 228                                 {
 229                                         emit statusUpdated(progress);
 230                                         prevProgress = qMin(progress + 2, 99);
 231                                 }
 232                         }
 233                         else if(!text.isEmpty())
 234                         {
 235                                 emit messageLogged(text);
 236                         }
 237                 }
 238         }
 239
 240         process.waitForFinished();
 241         if(process.state() != QProcess::NotRunning)
 242         {
 243                 process.kill();
 244                 process.waitForFinished(-1);
 245         }
 246
 247         emit statusUpdated(100);
 248         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 249
 250         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 251         {
 252                 return false;
 253         }
 254
 255         return true;
 256 }
 257
 258 QString FDKAACEncoder::extension(void)
 259 {
 260         return "mp4";
 261 }
 262
 263 bool FDKAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 264 {
 265         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 266         {
 267                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 268                 {
 269                         return true;
 270                 }
 271         }
 272
 273         return false;
 274 }
 275
 276 void FDKAACEncoder::setProfile(int profile)
 277 {
 278         m_configProfile = profile;
 279 }
 280
 281 const AbstractEncoderInfo *FDKAACEncoder::getEncoderInfo(void)
 282 {
 283         return &g_fdkAacEncoderInfo;
 284 }