src/Encoder_AAC_QAAC.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2013 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.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "Encoder_AAC_QAAC.h"
  23
  24 #include "Global.h"
  25 #include "Model_Settings.h"
  26
  27 #include <math.h>
  28 #include <QProcess>
  29 #include <QDir>
  30 #include <QCoreApplication>
  31
  32 static int index2bitrate(const int index)
  33 {
  34         return (index < 32) ? ((index + 1) * 8) : ((index - 15) * 16);
  35 }
  36
  37 static const int g_qaacVBRQualityLUT[16] = {0 ,9, 18, 27, 36, 45, 54, 63, 73, 82, 91, 100, 109, 118, 127, INT_MAX};
  38
  39 ///////////////////////////////////////////////////////////////////////////////
  40 // Encoder Info
  41 ///////////////////////////////////////////////////////////////////////////////
  42
  43 class QAACEncoderInfo : public AbstractEncoderInfo
  44 {
  45         virtual bool isModeSupported(int mode) const
  46         {
  47                 switch(mode)
  48                 {
  49                 case SettingsModel::VBRMode:
  50                 case SettingsModel::CBRMode:
  51                 case SettingsModel::ABRMode:
  52                         return true;
  53                         break;
  54                 default:
  55                         throw "Bad RC mode specified!";
  56                 }
  57         }
  58
  59         virtual int valueCount(int mode) const
  60         {
  61                 switch(mode)
  62                 {
  63                 case SettingsModel::VBRMode:
  64                         return 15;
  65                         break;
  66                 case SettingsModel::ABRMode:
  67                 case SettingsModel::CBRMode:
  68                         return 52;
  69                         break;
  70                 default:
  71                         throw "Bad RC mode specified!";
  72                 }
  73         }
  74
  75         virtual int valueAt(int mode, int index) const
  76         {
  77                 switch(mode)
  78                 {
  79                 case SettingsModel::VBRMode:
  80                         return g_qaacVBRQualityLUT[qBound(0, index , 14)];
  81                         break;
  82                 case SettingsModel::ABRMode:
  83                 case SettingsModel::CBRMode:
  84                         return qBound(8, index2bitrate(index), 576);
  85                         break;
  86                 default:
  87                         throw "Bad RC mode specified!";
  88                 }
  89         }
  90
  91         virtual int valueType(int mode) const
  92         {
  93                 switch(mode)
  94                 {
  95                 case SettingsModel::VBRMode:
  96                         return TYPE_QUALITY_LEVEL_INT;
  97                         break;
  98                 case SettingsModel::ABRMode:
  99                         return TYPE_APPROX_BITRATE;
 100                         break;
 101                 case SettingsModel::CBRMode:
 102                         return TYPE_BITRATE;
 103                         break;
 104                 default:
 105                         throw "Bad RC mode specified!";
 106                 }
 107         }
 108
 109         virtual const char *description(void) const
 110         {
 111                 static const char* s_description = "QAAC/QuickTime (\x0C2\x0A9 Appel)";
 112                 return s_description;
 113         }
 114 }
 115 static const g_qaacEncoderInfo;
 116
 117 ///////////////////////////////////////////////////////////////////////////////
 118 // Encoder implementation
 119 ///////////////////////////////////////////////////////////////////////////////
 120
 121 QAACEncoder::QAACEncoder(void)
 122 :
 123         m_binary_enc(lamexp_lookup_tool("qaac.exe")),
 124         m_binary_dll(lamexp_lookup_tool("libsoxrate.dll"))
 125 {
 126         if(m_binary_enc.isEmpty() || m_binary_dll.isEmpty())
 127         {
 128                 throw "Error initializing QAAC. Tool 'qaac.exe' is not registred!";
 129         }
 130
 131         m_configProfile = 0;
 132 }
 133
 134 QAACEncoder::~QAACEncoder(void)
 135 {
 136 }
 137
 138 bool QAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const QString &outputFile, volatile bool *abortFlag)
 139 {
 140         QProcess process;
 141         QStringList args;
 142
 143         process.setWorkingDirectory(QFileInfo(outputFile).canonicalPath());
 144
 145         QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
 146         env.insert("PATH", QDir::toNativeSeparators(QString("%1;%1/QTfiles;%2").arg(QDir(QCoreApplication::applicationDirPath()).canonicalPath(), lamexp_temp_folder2())));
 147         process.setProcessEnvironment(env);
 148
 149         if(m_configRCMode != SettingsModel::VBRMode)
 150         {
 151                 switch(m_configProfile)
 152                 {
 153                 case 2:
 154                 case 3:
 155                         args << "--he"; //Forces use of HE AAC profile (there is no explicit HEv2 switch for QAAC)
 156                         break;
 157                 }
 158         }
 159
 160         switch(m_configRCMode)
 161         {
 162         case SettingsModel::CBRMode:
 163                 args << "--cbr" << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 164                 break;
 165         case SettingsModel::ABRMode:
 166                 args << "--abr" << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 167                 break;
 168         case SettingsModel::VBRMode:
 169                 args << "--tvbr" << QString::number(g_qaacVBRQualityLUT[qBound(0, m_configBitrate , 14)]);
 170                 break;
 171         default:
 172                 throw "Bad rate-control mode!";
 173                 break;
 174         }
 175
 176         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 177
 178         if(!metaInfo.title().isEmpty()) args << "--title" << cleanTag(metaInfo.title());
 179         if(!metaInfo.artist().isEmpty()) args << "--artist" << cleanTag(metaInfo.artist());
 180         if(!metaInfo.album().isEmpty()) args << "--album" << cleanTag(metaInfo.album());
 181         if(!metaInfo.genre().isEmpty()) args << "--genre" << cleanTag(metaInfo.genre());
 182         if(!metaInfo.comment().isEmpty()) args << "--comment" << cleanTag( metaInfo.comment());
 183         if(metaInfo.year()) args << "--date" << QString::number(metaInfo.year());
 184         if(metaInfo.position()) args << "--track" << QString::number(metaInfo.position());
 185         if(!metaInfo.cover().isEmpty()) args << "--artwork" << metaInfo.cover();
 186
 187         args << "-d" << ".";
 188         args << "-o" << QDir::toNativeSeparators(outputFile);
 189         args << QDir::toNativeSeparators(sourceFile);
 190
 191         if(!startProcess(process, m_binary_enc, args))
 192         {
 193                 return false;
 194         }
 195
 196         bool bTimeout = false;
 197         bool bAborted = false;
 198         int prevProgress = -1;
 199
 200         QRegExp regExp("\\[(\\d+)\\.(\\d)%\\]");
 201
 202         while(process.state() != QProcess::NotRunning)
 203         {
 204                 if(*abortFlag)
 205                 {
 206                         process.kill();
 207                         bAborted = true;
 208                         emit messageLogged("\nABORTED BY USER !!!");
 209                         break;
 210                 }
 211                 process.waitForReadyRead(m_processTimeoutInterval);
 212                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 213                 {
 214                         process.kill();
 215                         qWarning("QAAC process timed out <-- killing!");
 216                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 217                         bTimeout = true;
 218                         break;
 219                 }
 220                 while(process.bytesAvailable() > 0)
 221                 {
 222                         QByteArray line = process.readLine();
 223                         QString text = QString::fromUtf8(line.constData()).simplified();
 224                         if(regExp.lastIndexIn(text) >= 0)
 225                         {
 226                                 bool ok = false;
 227                                 int progress = regExp.cap(1).toInt(&ok);
 228                                 if(ok && (progress > prevProgress))
 229                                 {
 230                                         emit statusUpdated(progress);
 231                                         prevProgress = qMin(progress + 2, 99);
 232                                 }
 233                         }
 234                         else if(!text.isEmpty())
 235                         {
 236                                 emit messageLogged(text);
 237                         }
 238                 }
 239         }
 240
 241         process.waitForFinished();
 242         if(process.state() != QProcess::NotRunning)
 243         {
 244                 process.kill();
 245                 process.waitForFinished(-1);
 246         }
 247
 248         emit statusUpdated(100);
 249         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 250
 251         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 252         {
 253                 return false;
 254         }
 255
 256         return true;
 257 }
 258
 259 QString QAACEncoder::extension(void)
 260 {
 261         return "mp4";
 262 }
 263
 264 bool QAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 265 {
 266         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 267         {
 268                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 269                 {
 270                         return true;
 271                 }
 272         }
 273
 274         return false;
 275 }
 276
 277 void QAACEncoder::setProfile(int profile)
 278 {
 279         m_configProfile = profile;
 280 }
 281
 282 const AbstractEncoderInfo *QAACEncoder::getEncoderInfo(void)
 283 {
 284         return &g_qaacEncoderInfo;
 285 }