src/Encoder_AAC_QAAC.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2021 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; always including the non-optional
   9 // LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "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(L1S("qaac.exe"))),
 145         m_binary_qaac64(lamexp_tools_lookup(L1S("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         m_algorithmQuality = 2;
 154 }
 155
 156 QAACEncoder::~QAACEncoder(void)
 157 {
 158 }
 159
 160 bool QAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const unsigned int channels, const QString &outputFile, QAtomicInt &abortFlag)
 161 {
 162         const QString qaac_bin = m_binary_qaac64.isEmpty() ? m_binary_qaac32 : m_binary_qaac64;
 163
 164         QProcess process;
 165         QStringList args;
 166
 167         QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
 168         env.insert(L1S("PATH"), QDir::toNativeSeparators(QString("%1;%1/QTfiles;%2").arg(QDir(QCoreApplication::applicationDirPath()).canonicalPath(), MUtils::temp_folder())));
 169         process.setProcessEnvironment(env);
 170
 171         if(m_configRCMode != SettingsModel::VBRMode)
 172         {
 173                 switch(m_configProfile)
 174                 {
 175                 case 2:
 176                 case 3:
 177                         args << L1S("--he"); //Forces use of HE AAC profile (there is no explicit HEv2 switch for QAAC)
 178                         break;
 179                 }
 180         }
 181
 182         switch(m_configRCMode)
 183         {
 184         case SettingsModel::CBRMode:
 185                 args << L1S("--cbr") << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 186                 break;
 187         case SettingsModel::ABRMode:
 188                 args << L1S("--cvbr") << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
 189                 break;
 190         case SettingsModel::VBRMode:
 191                 args << L1S("--tvbr") << QString::number(g_qaacVBRQualityLUT[qBound(0, m_configBitrate , 14)]);
 192                 break;
 193         default:
 194                 MUTILS_THROW("Bad rate-control mode!");
 195                 break;
 196         }
 197
 198         args << L1S("--quality") << QString::number(qBound(0, m_algorithmQuality, 2));
 199         if (m_configSamplingRate > 0)
 200         {
 201                 args << QString("--native-resampler=bats,%0").arg(QString::number(RESAMPLING_QUALITY));
 202                 args << L1S("--rate") << QString::number(m_configSamplingRate);
 203         }
 204
 205         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 206
 207         if(!metaInfo.title().isEmpty())   args << L1S("--title")   << cleanTag(metaInfo.title());
 208         if(!metaInfo.artist().isEmpty())  args << L1S("--artist")  << cleanTag(metaInfo.artist());
 209         if(!metaInfo.album().isEmpty())   args << L1S("--album")   << cleanTag(metaInfo.album());
 210         if(!metaInfo.genre().isEmpty())   args << L1S("--genre")   << cleanTag(metaInfo.genre());
 211         if(!metaInfo.comment().isEmpty()) args << L1S("--comment") << cleanTag( metaInfo.comment());
 212         if(metaInfo.year())               args << L1S("--date")    << QString::number(metaInfo.year());
 213         if(metaInfo.position())           args << L1S("--track")   << QString::number(metaInfo.position());
 214         if(!metaInfo.cover().isEmpty())   args << L1S("--artwork") << metaInfo.cover();
 215
 216         args << L1S("-d") << L1S(".");
 217         args << L1S("-o") << QDir::toNativeSeparators(outputFile);
 218         args << QDir::toNativeSeparators(sourceFile);
 219
 220         if(!startProcess(process, qaac_bin, args, QFileInfo(outputFile).canonicalPath()))
 221         {
 222                 return false;
 223         }
 224
 225         int prevProgress = -1;
 226         QRegExp regExp(L1S("\\[(\\d+)\\.(\\d)%\\]"));
 227
 228         const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, &regExp](const QString &text)
 229         {
 230                 if (regExp.lastIndexIn(text) >= 0)
 231                 {
 232                         qint32 newProgress;
 233                         if (MUtils::regexp_parse_int32(regExp, newProgress))
 234                         {
 235                                 if (newProgress > prevProgress)
 236                                 {
 237                                         emit statusUpdated(newProgress);
 238                                         prevProgress = NEXT_PROGRESS(newProgress);
 239                                 }
 240                         }
 241                         return true;
 242                 }
 243                 return false;
 244         });
 245
 246         return (result == RESULT_SUCCESS);
 247 }
 248
 249 bool QAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 250 {
 251         if(containerType.compare(L1S("Wave"), Qt::CaseInsensitive) == 0)
 252         {
 253                 if(formatType.compare(L1S("PCM"), Qt::CaseInsensitive) == 0)
 254                 {
 255                         return true;
 256                 }
 257         }
 258
 259         return false;
 260 }
 261
 262 void QAACEncoder::setProfile(int profile)
 263 {
 264         m_configProfile = profile;
 265 }
 266
 267 void QAACEncoder::setAlgoQuality(int value)
 268 {
 269         m_algorithmQuality = qBound(0, value, 2);
 270 }
 271
 272 const AbstractEncoderInfo *QAACEncoder::getEncoderInfo(void)
 273 {
 274         return &g_qaacEncoderInfo;
 275 }