src/Encoder_AAC_QAAC.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2014 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 #include "Global.h"
  26 #include "Model_Settings.h"
  27
  28 #include <math.h>
  29 #include <QProcess>
  30 #include <QDir>
  31 #include <QCoreApplication>
  32
  33 static int index2bitrate(const int index)
  34 {
  35         return (index < 32) ? ((index + 1) * 8) : ((index - 15) * 16);
  36 }
  37
  38 static const int g_qaacVBRQualityLUT[16] = {0 ,9, 18, 27, 36, 45, 54, 63, 73, 82, 91, 100, 109, 118, 127, INT_MAX};
  39
  40 ///////////////////////////////////////////////////////////////////////////////
  41 // Encoder Info
  42 ///////////////////////////////////////////////////////////////////////////////
  43
  44 class QAACEncoderInfo : public AbstractEncoderInfo
  45 {
  46         virtual bool isModeSupported(int mode) const
  47         {
  48                 switch(mode)
  49                 {
  50                 case SettingsModel::VBRMode:
  51                 case SettingsModel::CBRMode:
  52                 case SettingsModel::ABRMode:
  53                         return true;
  54                         break;
  55                 default:
  56                         THROW("Bad RC mode specified!");
  57                 }
  58         }
  59
  60         virtual int valueCount(int mode) const
  61         {
  62                 switch(mode)
  63                 {
  64                 case SettingsModel::VBRMode:
  65                         return 15;
  66                         break;
  67                 case SettingsModel::ABRMode:
  68                 case SettingsModel::CBRMode:
  69                         return 52;
  70                         break;
  71                 default:
  72                         THROW("Bad RC mode specified!");
  73                 }
  74         }
  75
  76         virtual int valueAt(int mode, int index) const
  77         {
  78                 switch(mode)
  79                 {
  80                 case SettingsModel::VBRMode:
  81                         return g_qaacVBRQualityLUT[qBound(0, index , 14)];
  82                         break;
  83                 case SettingsModel::ABRMode:
  84                 case SettingsModel::CBRMode:
  85                         return qBound(8, index2bitrate(index), 576);
  86                         break;
  87                 default:
  88                         THROW("Bad RC mode specified!");
  89                 }
  90         }
  91
  92         virtual int valueType(int mode) const
  93         {
  94                 switch(mode)
  95                 {
  96                 case SettingsModel::VBRMode:
  97                         return TYPE_QUALITY_LEVEL_INT;
  98                         break;
  99                 case SettingsModel::ABRMode:
 100                         return TYPE_APPROX_BITRATE;
 101                         break;
 102                 case SettingsModel::CBRMode:
 103                         return TYPE_BITRATE;
 104                         break;
 105                 default:
 106                         THROW("Bad RC mode specified!");
 107                 }
 108         }
 109
 110         virtual const char *description(void) const
 111         {
 112                 static const char* s_description = "QAAC/QuickTime (\x0C2\x0A9 Apple Inc.)";
 113                 return s_description;
 114         }
 115 }
 116 static const g_qaacEncoderInfo;
 117
 118 ///////////////////////////////////////////////////////////////////////////////
 119 // Encoder implementation
 120 ///////////////////////////////////////////////////////////////////////////////
 121
 122 QAACEncoder::QAACEncoder(void)
 123 :
 124         m_binary_qaac(lamexp_lookup_tool("qaac.exe")),
 125         m_binary_soxr(lamexp_lookup_tool("libsoxr.dll")),
 126         m_binary_soxc(lamexp_lookup_tool("libsoxconvolver.dll"))
 127 {
 128         if(m_binary_qaac.isEmpty() || m_binary_soxr.isEmpty() || m_binary_soxc.isEmpty())
 129         {
 130                 THROW("Error initializing QAAC. Tool 'qaac.exe' is not registred!");
 131         }
 132
 133         m_configProfile = 0;
 134 }
 135
 136 QAACEncoder::~QAACEncoder(void)
 137 {
 138 }
 139
 140 bool QAACEncoder::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(), lamexp_temp_folder2())));
 149         process.setProcessEnvironment(env);
 150
 151         if(m_configRCMode != SettingsModel::VBRMode)
 152         {
 153                 switch(m_configProfile)
 154                 {
 155                 case 2:
 156                 case 3:
 157                         args << "--he"; //Forces use of HE AAC profile (there is no explicit HEv2 switch for QAAC)
 158                         break;
 159                 }
 160         }
 161
 162         switch(m_configRCMode)
 163         {
 164         case SettingsModel::CBRMode:
 165                 args << "--cbr" << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 166                 break;
 167         case SettingsModel::ABRMode:
 168                 args << "--abr" << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 169                 break;
 170         case SettingsModel::VBRMode:
 171                 args << "--tvbr" << QString::number(g_qaacVBRQualityLUT[qBound(0, m_configBitrate , 14)]);
 172                 break;
 173         default:
 174                 THROW("Bad rate-control mode!");
 175                 break;
 176         }
 177
 178         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 179
 180         if(!metaInfo.title().isEmpty()) args << "--title" << cleanTag(metaInfo.title());
 181         if(!metaInfo.artist().isEmpty()) args << "--artist" << cleanTag(metaInfo.artist());
 182         if(!metaInfo.album().isEmpty()) args << "--album" << cleanTag(metaInfo.album());
 183         if(!metaInfo.genre().isEmpty()) args << "--genre" << cleanTag(metaInfo.genre());
 184         if(!metaInfo.comment().isEmpty()) args << "--comment" << cleanTag( metaInfo.comment());
 185         if(metaInfo.year()) args << "--date" << QString::number(metaInfo.year());
 186         if(metaInfo.position()) args << "--track" << QString::number(metaInfo.position());
 187         if(!metaInfo.cover().isEmpty()) args << "--artwork" << metaInfo.cover();
 188
 189         args << "-d" << ".";
 190         args << "-o" << QDir::toNativeSeparators(outputFile);
 191         args << QDir::toNativeSeparators(sourceFile);
 192
 193         if(!startProcess(process, m_binary_qaac, args))
 194         {
 195                 return false;
 196         }
 197
 198         bool bTimeout = false;
 199         bool bAborted = false;
 200         int prevProgress = -1;
 201
 202         QRegExp regExp("\\[(\\d+)\\.(\\d)%\\]");
 203
 204         while(process.state() != QProcess::NotRunning)
 205         {
 206                 if(*abortFlag)
 207                 {
 208                         process.kill();
 209                         bAborted = true;
 210                         emit messageLogged("\nABORTED BY USER !!!");
 211                         break;
 212                 }
 213                 process.waitForReadyRead(m_processTimeoutInterval);
 214                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 215                 {
 216                         process.kill();
 217                         qWarning("QAAC process timed out <-- killing!");
 218                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 219                         bTimeout = true;
 220                         break;
 221                 }
 222                 while(process.bytesAvailable() > 0)
 223                 {
 224                         QByteArray line = process.readLine();
 225                         QString text = QString::fromUtf8(line.constData()).simplified();
 226                         if(regExp.lastIndexIn(text) >= 0)
 227                         {
 228                                 bool ok = false;
 229                                 int progress = regExp.cap(1).toInt(&ok);
 230                                 if(ok && (progress > prevProgress))
 231                                 {
 232                                         emit statusUpdated(progress);
 233                                         prevProgress = qMin(progress + 2, 99);
 234                                 }
 235                         }
 236                         else if(!text.isEmpty())
 237                         {
 238                                 emit messageLogged(text);
 239                         }
 240                 }
 241         }
 242
 243         process.waitForFinished();
 244         if(process.state() != QProcess::NotRunning)
 245         {
 246                 process.kill();
 247                 process.waitForFinished(-1);
 248         }
 249
 250         emit statusUpdated(100);
 251         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 252
 253         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 254         {
 255                 return false;
 256         }
 257
 258         return true;
 259 }
 260
 261 QString QAACEncoder::extension(void)
 262 {
 263         return "mp4";
 264 }
 265
 266 bool QAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 267 {
 268         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 269         {
 270                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 271                 {
 272                         return true;
 273                 }
 274         }
 275
 276         return false;
 277 }
 278
 279 void QAACEncoder::setProfile(int profile)
 280 {
 281         m_configProfile = profile;
 282 }
 283
 284 const AbstractEncoderInfo *QAACEncoder::getEncoderInfo(void)
 285 {
 286         return &g_qaacEncoderInfo;
 287 }