src/Encoder_AAC_FDK.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2018 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         virtual bool isResamplingSupported(void) const
 125         {
 126                 return false;
 127         }
 128 }
 129 static const g_fdkAacEncoderInfo;
 130
 131 ///////////////////////////////////////////////////////////////////////////////
 132 // Encoder implementation
 133 ///////////////////////////////////////////////////////////////////////////////
 134
 135 FDKAACEncoder::FDKAACEncoder(void)
 136 :
 137         m_binary(lamexp_tools_lookup(L1S("fdkaac.exe")))
 138 {
 139         if(m_binary.isEmpty())
 140         {
 141                 MUTILS_THROW("Error initializing FDKAAC. Tool 'fdkaac.exe' is not registred!");
 142         }
 143
 144         m_configProfile = 0;
 145 }
 146
 147 FDKAACEncoder::~FDKAACEncoder(void)
 148 {
 149 }
 150
 151 bool FDKAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const unsigned int channels, const QString &outputFile, QAtomicInt &abortFlag)
 152 {
 153         QProcess process;
 154         QStringList args;
 155
 156         QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
 157         env.insert(L1S("PATH"), QDir::toNativeSeparators(QString("%1;%1/QTfiles;%2").arg(QDir(QCoreApplication::applicationDirPath()).canonicalPath(), MUtils::temp_folder())));
 158         process.setProcessEnvironment(env);
 159
 160         switch(m_configProfile)
 161         {
 162         case 1:
 163                 args << L1S("-p") << QString::number(2);
 164                 break;
 165         case 2:
 166                 args << L1S("-p") << QString::number(5);
 167                 break;
 168         case 3:
 169                 args << L1S("-p") << QString::number(29);
 170                 break;
 171         }
 172
 173         switch(m_configRCMode)
 174         {
 175         case SettingsModel::CBRMode:
 176                 args << L1S("-b") << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 177                 break;
 178         case SettingsModel::VBRMode:
 179                 args << L1S("-m") << QString::number(qBound(1, m_configBitrate + 1 , 5));
 180                 break;
 181         default:
 182                 MUTILS_THROW("Bad rate-control mode!");
 183                 break;
 184         }
 185
 186         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 187
 188         if(!metaInfo.title().isEmpty())   args << L1S("--title")   << cleanTag(metaInfo.title());
 189         if(!metaInfo.artist().isEmpty())  args << L1S("--artist")  << cleanTag(metaInfo.artist());
 190         if(!metaInfo.album().isEmpty())   args << L1S("--album")   << cleanTag(metaInfo.album());
 191         if(!metaInfo.genre().isEmpty())   args << L1S("--genre")   << cleanTag(metaInfo.genre());
 192         if(!metaInfo.comment().isEmpty()) args << L1S("--comment") << cleanTag( metaInfo.comment());
 193         if(metaInfo.year())               args << L1S("--date")    << QString::number(metaInfo.year());
 194         if(metaInfo.position())           args << L1S("--track")   << QString::number(metaInfo.position());
 195
 196         args << L1S("-o") << QDir::toNativeSeparators(outputFile);
 197         args << QDir::toNativeSeparators(sourceFile);
 198
 199         if(!startProcess(process, m_binary, args, QFileInfo(outputFile).canonicalPath()))
 200         {
 201                 return false;
 202         }
 203
 204         int prevProgress = -1;
 205         QRegExp regExp(L1S("\\[(\\d+)%\\]\\s+(\\d+):(\\d+)"));
 206
 207         const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, &regExp](const QString &text)
 208         {
 209                 if (regExp.lastIndexIn(text) >= 0)
 210                 {
 211                         qint32 newProgress;
 212                         if (MUtils::regexp_parse_int32(regExp, newProgress))
 213                         {
 214                                 if (newProgress > prevProgress)
 215                                 {
 216                                         emit statusUpdated(newProgress);
 217                                         prevProgress = NEXT_PROGRESS(newProgress);
 218                                 }
 219                         }
 220                         return true;
 221                 }
 222                 return false;
 223         });
 224
 225         return (result == RESULT_SUCCESS);
 226 }
 227
 228 bool FDKAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 229 {
 230         if(containerType.compare(L1S("Wave"), Qt::CaseInsensitive) == 0)
 231         {
 232                 if(formatType.compare(L1S("PCM"), Qt::CaseInsensitive) == 0)
 233                 {
 234                         return true;
 235                 }
 236         }
 237
 238         return false;
 239 }
 240
 241 void FDKAACEncoder::setProfile(int profile)
 242 {
 243         m_configProfile = profile;
 244 }
 245
 246 const AbstractEncoderInfo *FDKAACEncoder::getEncoderInfo(void)
 247 {
 248         return &g_fdkAacEncoderInfo;
 249 }