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 Appel)";
 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_enc(lamexp_lookup_tool("qaac.exe")),
 125         m_binary_dll(lamexp_lookup_tool("libsoxrate.dll"))
 126 {
 127         if(m_binary_enc.isEmpty() || m_binary_dll.isEmpty())
 128         {
 129                 THROW("Error initializing QAAC. Tool 'qaac.exe' is not registred!");
 130         }
 131
 132         m_configProfile = 0;
 133 }
 134
 135 QAACEncoder::~QAACEncoder(void)
 136 {
 137 }
 138
 139 bool QAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const QString &outputFile, volatile bool *abortFlag)
 140 {
 141         QProcess process;
 142         QStringList args;
 143
 144         process.setWorkingDirectory(QFileInfo(outputFile).canonicalPath());
 145
 146         QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
 147         env.insert("PATH", QDir::toNativeSeparators(QString("%1;%1/QTfiles;%2").arg(QDir(QCoreApplication::applicationDirPath()).canonicalPath(), lamexp_temp_folder2())));
 148         process.setProcessEnvironment(env);
 149
 150         if(m_configRCMode != SettingsModel::VBRMode)
 151         {
 152                 switch(m_configProfile)
 153                 {
 154                 case 2:
 155                 case 3:
 156                         args << "--he"; //Forces use of HE AAC profile (there is no explicit HEv2 switch for QAAC)
 157                         break;
 158                 }
 159         }
 160
 161         switch(m_configRCMode)
 162         {
 163         case SettingsModel::CBRMode:
 164                 args << "--cbr" << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 165                 break;
 166         case SettingsModel::ABRMode:
 167                 args << "--abr" << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 168                 break;
 169         case SettingsModel::VBRMode:
 170                 args << "--tvbr" << QString::number(g_qaacVBRQualityLUT[qBound(0, m_configBitrate , 14)]);
 171                 break;
 172         default:
 173                 THROW("Bad rate-control mode!");
 174                 break;
 175         }
 176
 177         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 178
 179         if(!metaInfo.title().isEmpty()) args << "--title" << cleanTag(metaInfo.title());
 180         if(!metaInfo.artist().isEmpty()) args << "--artist" << cleanTag(metaInfo.artist());
 181         if(!metaInfo.album().isEmpty()) args << "--album" << cleanTag(metaInfo.album());
 182         if(!metaInfo.genre().isEmpty()) args << "--genre" << cleanTag(metaInfo.genre());
 183         if(!metaInfo.comment().isEmpty()) args << "--comment" << cleanTag( metaInfo.comment());
 184         if(metaInfo.year()) args << "--date" << QString::number(metaInfo.year());
 185         if(metaInfo.position()) args << "--track" << QString::number(metaInfo.position());
 186         if(!metaInfo.cover().isEmpty()) args << "--artwork" << metaInfo.cover();
 187
 188         args << "-d" << ".";
 189         args << "-o" << QDir::toNativeSeparators(outputFile);
 190         args << QDir::toNativeSeparators(sourceFile);
 191
 192         if(!startProcess(process, m_binary_enc, args))
 193         {
 194                 return false;
 195         }
 196
 197         bool bTimeout = false;
 198         bool bAborted = false;
 199         int prevProgress = -1;
 200
 201         QRegExp regExp("\\[(\\d+)\\.(\\d)%\\]");
 202
 203         while(process.state() != QProcess::NotRunning)
 204         {
 205                 if(*abortFlag)
 206                 {
 207                         process.kill();
 208                         bAborted = true;
 209                         emit messageLogged("\nABORTED BY USER !!!");
 210                         break;
 211                 }
 212                 process.waitForReadyRead(m_processTimeoutInterval);
 213                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 214                 {
 215                         process.kill();
 216                         qWarning("QAAC process timed out <-- killing!");
 217                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 218                         bTimeout = true;
 219                         break;
 220                 }
 221                 while(process.bytesAvailable() > 0)
 222                 {
 223                         QByteArray line = process.readLine();
 224                         QString text = QString::fromUtf8(line.constData()).simplified();
 225                         if(regExp.lastIndexIn(text) >= 0)
 226                         {
 227                                 bool ok = false;
 228                                 int progress = regExp.cap(1).toInt(&ok);
 229                                 if(ok && (progress > prevProgress))
 230                                 {
 231                                         emit statusUpdated(progress);
 232                                         prevProgress = qMin(progress + 2, 99);
 233                                 }
 234                         }
 235                         else if(!text.isEmpty())
 236                         {
 237                                 emit messageLogged(text);
 238                         }
 239                 }
 240         }
 241
 242         process.waitForFinished();
 243         if(process.state() != QProcess::NotRunning)
 244         {
 245                 process.kill();
 246                 process.waitForFinished(-1);
 247         }
 248
 249         emit statusUpdated(100);
 250         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 251
 252         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 253         {
 254                 return false;
 255         }
 256
 257         return true;
 258 }
 259
 260 QString QAACEncoder::extension(void)
 261 {
 262         return "mp4";
 263 }
 264
 265 bool QAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 266 {
 267         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 268         {
 269                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 270                 {
 271                         return true;
 272                 }
 273         }
 274
 275         return false;
 276 }
 277
 278 void QAACEncoder::setProfile(int profile)
 279 {
 280         m_configProfile = profile;
 281 }
 282
 283 const AbstractEncoderInfo *QAACEncoder::getEncoderInfo(void)
 284 {
 285         return &g_qaacEncoderInfo;
 286 }