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