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 5;
  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         virtual const char *extension(void) const
 119         {
 120                 static const char* s_extension = "mp4";
 121                 return s_extension;
 122         }
 123 }
 124 static const g_fdkAacEncoderInfo;
 125
 126 ///////////////////////////////////////////////////////////////////////////////
 127 // Encoder implementation
 128 ///////////////////////////////////////////////////////////////////////////////
 129
 130 FDKAACEncoder::FDKAACEncoder(void)
 131 :
 132         m_binary(lamexp_tools_lookup("fdkaac.exe"))
 133 {
 134         if(m_binary.isEmpty())
 135         {
 136                 MUTILS_THROW("Error initializing FDKAAC. Tool 'fdkaac.exe' is not registred!");
 137         }
 138
 139         m_configProfile = 0;
 140 }
 141
 142 FDKAACEncoder::~FDKAACEncoder(void)
 143 {
 144 }
 145
 146 bool FDKAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const QString &outputFile, volatile bool *abortFlag)
 147 {
 148         QProcess process;
 149         QStringList args;
 150
 151         process.setWorkingDirectory(QFileInfo(outputFile).canonicalPath());
 152
 153         QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
 154         env.insert("PATH", QDir::toNativeSeparators(QString("%1;%1/QTfiles;%2").arg(QDir(QCoreApplication::applicationDirPath()).canonicalPath(), MUtils::temp_folder())));
 155         process.setProcessEnvironment(env);
 156
 157         switch(m_configProfile)
 158         {
 159         case 1:
 160                 args << "-p" << "2";
 161                 break;
 162         case 2:
 163                 args << "-p" << "5";
 164                 break;
 165         case 3:
 166                 args << "-p" << "29";
 167                 break;
 168         }
 169
 170         switch(m_configRCMode)
 171         {
 172         case SettingsModel::CBRMode:
 173                 args << "-b" << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 174                 break;
 175         case SettingsModel::VBRMode:
 176                 args << "-m" << QString::number(qBound(1, m_configBitrate + 1 , 5));
 177                 break;
 178         default:
 179                 MUTILS_THROW("Bad rate-control mode!");
 180                 break;
 181         }
 182
 183         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 184
 185         if(!metaInfo.title().isEmpty())   args << "--title"   << cleanTag(metaInfo.title());
 186         if(!metaInfo.artist().isEmpty())  args << "--artist"  << cleanTag(metaInfo.artist());
 187         if(!metaInfo.album().isEmpty())   args << "--album"   << cleanTag(metaInfo.album());
 188         if(!metaInfo.genre().isEmpty())   args << "--genre"   << cleanTag(metaInfo.genre());
 189         if(!metaInfo.comment().isEmpty()) args << "--comment" << cleanTag( metaInfo.comment());
 190         if(metaInfo.year())               args << "--date"    << QString::number(metaInfo.year());
 191         if(metaInfo.position())           args << "--track"   << QString::number(metaInfo.position());
 192
 193         args << "-o" << QDir::toNativeSeparators(outputFile);
 194         args << QDir::toNativeSeparators(sourceFile);
 195
 196         if(!startProcess(process, m_binary, args))
 197         {
 198                 return false;
 199         }
 200
 201         bool bTimeout = false;
 202         bool bAborted = false;
 203         int prevProgress = -1;
 204
 205         QRegExp regExp("\\[(\\d+)%\\]\\s+(\\d+):(\\d+)");
 206
 207         while(process.state() != QProcess::NotRunning)
 208         {
 209                 if(*abortFlag)
 210                 {
 211                         process.kill();
 212                         bAborted = true;
 213                         emit messageLogged("\nABORTED BY USER !!!");
 214                         break;
 215                 }
 216                 process.waitForReadyRead(m_processTimeoutInterval);
 217                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 218                 {
 219                         process.kill();
 220                         qWarning("FDKAAC process timed out <-- killing!");
 221                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 222                         bTimeout = true;
 223                         break;
 224                 }
 225                 while(process.bytesAvailable() > 0)
 226                 {
 227                         QByteArray line = process.readLine();
 228                         QString text = QString::fromUtf8(line.constData()).simplified();
 229                         if(regExp.lastIndexIn(text) >= 0)
 230                         {
 231                                 bool ok = false;
 232                                 int progress = regExp.cap(1).toInt(&ok);
 233                                 if(ok && (progress > prevProgress))
 234                                 {
 235                                         emit statusUpdated(progress);
 236                                         prevProgress = qMin(progress + 2, 99);
 237                                 }
 238                         }
 239                         else if(!text.isEmpty())
 240                         {
 241                                 emit messageLogged(text);
 242                         }
 243                 }
 244         }
 245
 246         process.waitForFinished();
 247         if(process.state() != QProcess::NotRunning)
 248         {
 249                 process.kill();
 250                 process.waitForFinished(-1);
 251         }
 252
 253         emit statusUpdated(100);
 254         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 255
 256         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 257         {
 258                 return false;
 259         }
 260
 261         return true;
 262 }
 263
 264 bool FDKAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 265 {
 266         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 267         {
 268                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 269                 {
 270                         return true;
 271                 }
 272         }
 273
 274         return false;
 275 }
 276
 277 void FDKAACEncoder::setProfile(int profile)
 278 {
 279         m_configProfile = profile;
 280 }
 281
 282 const AbstractEncoderInfo *FDKAACEncoder::getEncoderInfo(void)
 283 {
 284         return &g_fdkAacEncoderInfo;
 285 }