src/Encoder_AAC_QAAC.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2016 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_QAAC.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 static const int g_qaacVBRQualityLUT[16] = {0 ,9, 18, 27, 36, 45, 54, 63, 73, 82, 91, 100, 109, 118, 127, INT_MAX};
  46
  47 static const int RESAMPLING_QUALITY = 127;
  48
  49 ///////////////////////////////////////////////////////////////////////////////
  50 // Encoder Info
  51 ///////////////////////////////////////////////////////////////////////////////
  52
  53 class QAACEncoderInfo : public AbstractEncoderInfo
  54 {
  55         virtual bool isModeSupported(int mode) const
  56         {
  57                 switch(mode)
  58                 {
  59                 case SettingsModel::VBRMode:
  60                 case SettingsModel::CBRMode:
  61                 case SettingsModel::ABRMode:
  62                         return true;
  63                         break;
  64                 default:
  65                         MUTILS_THROW("Bad RC mode specified!");
  66                 }
  67         }
  68
  69         virtual int valueCount(int mode) const
  70         {
  71                 switch(mode)
  72                 {
  73                 case SettingsModel::VBRMode:
  74                         return 15;
  75                         break;
  76                 case SettingsModel::ABRMode:
  77                 case SettingsModel::CBRMode:
  78                         return 52;
  79                         break;
  80                 default:
  81                         MUTILS_THROW("Bad RC mode specified!");
  82                 }
  83         }
  84
  85         virtual int valueAt(int mode, int index) const
  86         {
  87                 switch(mode)
  88                 {
  89                 case SettingsModel::VBRMode:
  90                         return g_qaacVBRQualityLUT[qBound(0, index , 14)];
  91                         break;
  92                 case SettingsModel::ABRMode:
  93                 case SettingsModel::CBRMode:
  94                         return qBound(8, index2bitrate(index), 576);
  95                         break;
  96                 default:
  97                         MUTILS_THROW("Bad RC mode specified!");
  98                 }
  99         }
 100
 101         virtual int valueType(int mode) const
 102         {
 103                 switch(mode)
 104                 {
 105                 case SettingsModel::VBRMode:
 106                         return TYPE_QUALITY_LEVEL_INT;
 107                         break;
 108                 case SettingsModel::ABRMode:
 109                         return TYPE_APPROX_BITRATE;
 110                         break;
 111                 case SettingsModel::CBRMode:
 112                         return TYPE_BITRATE;
 113                         break;
 114                 default:
 115                         MUTILS_THROW("Bad RC mode specified!");
 116                 }
 117         }
 118
 119         virtual const char *description(void) const
 120         {
 121                 static const char* s_description = "QAAC/QuickTime (\x0C2\x0A9 Apple Inc.)";
 122                 return s_description;
 123         }
 124
 125         virtual const char *extension(void) const
 126         {
 127                 static const char* s_extension = "mp4";
 128                 return s_extension;
 129         }
 130
 131         virtual bool isResamplingSupported(void) const
 132         {
 133                 return true;
 134         }
 135 }
 136 static const g_qaacEncoderInfo;
 137
 138 ///////////////////////////////////////////////////////////////////////////////
 139 // Encoder implementation
 140 ///////////////////////////////////////////////////////////////////////////////
 141
 142 QAACEncoder::QAACEncoder(void)
 143 :
 144         m_binary_qaac32(lamexp_tools_lookup("qaac.exe")),
 145         m_binary_qaac64(lamexp_tools_lookup("qaac64.exe"))
 146 {
 147         if(m_binary_qaac32.isEmpty() && m_binary_qaac64.isEmpty())
 148         {
 149                 MUTILS_THROW("Error initializing QAAC. Tool 'qaac.exe' is not registred!");
 150         }
 151
 152         m_configProfile = 0;
 153 }
 154
 155 QAACEncoder::~QAACEncoder(void)
 156 {
 157 }
 158
 159 bool QAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const QString &outputFile, volatile bool *abortFlag)
 160 {
 161         const QString qaac_bin = m_binary_qaac64.isEmpty() ? m_binary_qaac32 : m_binary_qaac64;
 162
 163         QProcess process;
 164         QStringList args;
 165
 166         QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
 167         env.insert("PATH", QDir::toNativeSeparators(QString("%1;%1/QTfiles;%2").arg(QDir(QCoreApplication::applicationDirPath()).canonicalPath(), MUtils::temp_folder())));
 168         process.setProcessEnvironment(env);
 169
 170         if(m_configRCMode != SettingsModel::VBRMode)
 171         {
 172                 switch(m_configProfile)
 173                 {
 174                 case 2:
 175                 case 3:
 176                         args << "--he"; //Forces use of HE AAC profile (there is no explicit HEv2 switch for QAAC)
 177                         break;
 178                 }
 179         }
 180
 181         switch(m_configRCMode)
 182         {
 183         case SettingsModel::CBRMode:
 184                 args << "--cbr" << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 185                 break;
 186         case SettingsModel::ABRMode:
 187                 args << "--cvbr" << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 188                 break;
 189         case SettingsModel::VBRMode:
 190                 args << "--tvbr" << QString::number(g_qaacVBRQualityLUT[qBound(0, m_configBitrate , 14)]);
 191                 break;
 192         default:
 193                 MUTILS_THROW("Bad rate-control mode!");
 194                 break;
 195         }
 196
 197         if (m_configSamplingRate > 0)
 198         {
 199                 args << QString("--native-resampler=bats,%0").arg(QString::number(RESAMPLING_QUALITY));
 200                 args << "--rate" << QString::number(m_configSamplingRate);
 201         }
 202
 203         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 204
 205         if(!metaInfo.title().isEmpty())   args << "--title"   << cleanTag(metaInfo.title());
 206         if(!metaInfo.artist().isEmpty())  args << "--artist"  << cleanTag(metaInfo.artist());
 207         if(!metaInfo.album().isEmpty())   args << "--album"   << cleanTag(metaInfo.album());
 208         if(!metaInfo.genre().isEmpty())   args << "--genre"   << cleanTag(metaInfo.genre());
 209         if(!metaInfo.comment().isEmpty()) args << "--comment" << cleanTag( metaInfo.comment());
 210         if(metaInfo.year())               args << "--date"    << QString::number(metaInfo.year());
 211         if(metaInfo.position())           args << "--track"   << QString::number(metaInfo.position());
 212         if(!metaInfo.cover().isEmpty())   args << "--artwork" << metaInfo.cover();
 213
 214         args << "-d" << ".";
 215         args << "-o" << QDir::toNativeSeparators(outputFile);
 216         args << QDir::toNativeSeparators(sourceFile);
 217
 218         if(!startProcess(process, qaac_bin, args, QFileInfo(outputFile).canonicalPath()))
 219         {
 220                 return false;
 221         }
 222
 223         bool bTimeout = false;
 224         bool bAborted = false;
 225         int prevProgress = -1;
 226
 227         QRegExp regExp("\\[(\\d+)\\.(\\d)%\\]");
 228
 229         while(process.state() != QProcess::NotRunning)
 230         {
 231                 if(*abortFlag)
 232                 {
 233                         process.kill();
 234                         bAborted = true;
 235                         emit messageLogged("\nABORTED BY USER !!!");
 236                         break;
 237                 }
 238                 process.waitForReadyRead(m_processTimeoutInterval);
 239                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 240                 {
 241                         process.kill();
 242                         qWarning("QAAC process timed out <-- killing!");
 243                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 244                         bTimeout = true;
 245                         break;
 246                 }
 247                 while(process.bytesAvailable() > 0)
 248                 {
 249                         QByteArray line = process.readLine();
 250                         QString text = QString::fromUtf8(line.constData()).simplified();
 251                         if(regExp.lastIndexIn(text) >= 0)
 252                         {
 253                                 bool ok = false;
 254                                 int progress = regExp.cap(1).toInt(&ok);
 255                                 if(ok && (progress > prevProgress))
 256                                 {
 257                                         emit statusUpdated(progress);
 258                                         prevProgress = qMin(progress + 2, 99);
 259                                 }
 260                         }
 261                         else if(!text.isEmpty())
 262                         {
 263                                 emit messageLogged(text);
 264                         }
 265                 }
 266         }
 267
 268         process.waitForFinished();
 269         if(process.state() != QProcess::NotRunning)
 270         {
 271                 process.kill();
 272                 process.waitForFinished(-1);
 273         }
 274
 275         emit statusUpdated(100);
 276         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 277
 278         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 279         {
 280                 return false;
 281         }
 282
 283         return true;
 284 }
 285
 286 bool QAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 287 {
 288         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 289         {
 290                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 291                 {
 292                         return true;
 293                 }
 294         }
 295
 296         return false;
 297 }
 298
 299 void QAACEncoder::setProfile(int profile)
 300 {
 301         m_configProfile = profile;
 302 }
 303
 304 const AbstractEncoderInfo *QAACEncoder::getEncoderInfo(void)
 305 {
 306         return &g_qaacEncoderInfo;
 307 }