src/Encoder_AAC.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2019 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.h"
  24
  25 #include "Global.h"
  26 #include "Model_Settings.h"
  27
  28 #include <QProcess>
  29 #include <QDir>
  30
  31 static int index2bitrate(const int index)
  32 {
  33         return (index < 32) ? ((index + 1) * 8) : ((index - 15) * 16);
  34 }
  35
  36 #define IS_VALID(X) (((X) != 0U) && ((X) != UINT_MAX))
  37
  38 ///////////////////////////////////////////////////////////////////////////////
  39 // Encoder Info
  40 ///////////////////////////////////////////////////////////////////////////////
  41
  42 class AACEncoderInfo : public AbstractEncoderInfo
  43 {
  44         virtual bool isModeSupported(int mode) const
  45         {
  46                 switch(mode)
  47                 {
  48                 case SettingsModel::VBRMode:
  49                 case SettingsModel::ABRMode:
  50                 case SettingsModel::CBRMode:
  51                         return true;
  52                         break;
  53                 default:
  54                         MUTILS_THROW("Bad RC mode specified!");
  55                 }
  56         }
  57
  58         virtual int valueCount(int mode) const
  59         {
  60                 switch(mode)
  61                 {
  62                 case SettingsModel::VBRMode:
  63                         return 21;
  64                         break;
  65                 case SettingsModel::ABRMode:
  66                 case SettingsModel::CBRMode:
  67                         return 41;
  68                         break;
  69                 default:
  70                         MUTILS_THROW("Bad RC mode specified!");
  71                 }
  72         }
  73
  74         virtual int valueAt(int mode, int index) const
  75         {
  76                 switch(mode)
  77                 {
  78                 case SettingsModel::VBRMode:
  79                         return qBound(0, index * 5, 100);
  80                         break;
  81                 case SettingsModel::ABRMode:
  82                 case SettingsModel::CBRMode:
  83                         return qBound(8, index2bitrate(index), 400);
  84                         break;
  85                 default:
  86                         MUTILS_THROW("Bad RC mode specified!");
  87                 }
  88         }
  89
  90         virtual int valueType(int mode) const
  91         {
  92                 switch(mode)
  93                 {
  94                 case SettingsModel::VBRMode:
  95                         return TYPE_QUALITY_LEVEL_FLT;
  96                         break;
  97                 case SettingsModel::ABRMode:
  98                         return TYPE_APPROX_BITRATE;
  99                         break;
 100                 case SettingsModel::CBRMode:
 101                         return TYPE_BITRATE;
 102                         break;
 103                 default:
 104                         MUTILS_THROW("Bad RC mode specified!");
 105                 }
 106         }
 107
 108         virtual const char *description(void) const
 109         {
 110                 static const char* s_description = "Nero AAC Encoder (\x0C2\x0A9 Nero AG)";
 111                 return s_description;
 112         }
 113
 114         virtual const char *extension(void) const
 115         {
 116                 static const char* s_extension = "mp4";
 117                 return s_extension;
 118         }
 119
 120         virtual bool isResamplingSupported(void) const
 121         {
 122                 return false;
 123         }
 124 }
 125 static const g_aacEncoderInfo;
 126
 127 ///////////////////////////////////////////////////////////////////////////////
 128 // Encoder implementation
 129 ///////////////////////////////////////////////////////////////////////////////
 130
 131 AACEncoder::AACEncoder(void)
 132 :
 133         m_binary_enc(lamexp_tools_lookup(L1S("neroAacEnc.exe"))),
 134         m_binary_tag(lamexp_tools_lookup(L1S("neroAacTag.exe")))
 135 {
 136         if(m_binary_enc.isEmpty() || m_binary_tag.isEmpty())
 137         {
 138                 MUTILS_THROW("Error initializing AAC encoder. Tool 'neroAacEnc.exe' is not registred!");
 139         }
 140
 141         m_configProfile = 0;
 142         m_configEnable2Pass = true;
 143 }
 144
 145 AACEncoder::~AACEncoder(void)
 146 {
 147 }
 148
 149 bool AACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const unsigned int channels, const QString &outputFile, QAtomicInt &abortFlag)
 150 {
 151         QProcess process;
 152         QStringList args;
 153         const QString baseName = QFileInfo(outputFile).fileName();
 154
 155         switch(m_configRCMode)
 156         {
 157         case SettingsModel::VBRMode:
 158                 args << L1S("-q") << QString().sprintf("%.2f", double(qBound(0, m_configBitrate * 5, 100)) / 100.0);
 159                 break;
 160         case SettingsModel::ABRMode:
 161                 args << L1S("-br") << QString::number(qBound(8, index2bitrate(m_configBitrate), 400) * 1000);
 162                 break;
 163         case SettingsModel::CBRMode:
 164                 args << L1S("-cbr") << QString::number(qBound(8, index2bitrate(m_configBitrate), 400) * 1000);
 165                 break;
 166         default:
 167                 MUTILS_THROW("Bad rate-control mode!");
 168                 break;
 169         }
 170
 171         if(m_configEnable2Pass && (m_configRCMode == SettingsModel::ABRMode))
 172         {
 173                 args << L1S("-2pass");
 174         }
 175
 176         int selectedProfile = m_configProfile;
 177         if ((selectedProfile == 3) && IS_VALID(channels) && (channels != 2))
 178         {
 179                 emit messageLogged("WARNING: Cannot use HE-AAC v2 (SBR+PS) with Mono input --> reverting to HE-AAC (SBR)");
 180                 selectedProfile = 2;
 181         }
 182
 183         switch(selectedProfile)
 184         {
 185         case 0:
 186                 //Do *not* overwrite profile -> let the encoder decide!
 187                 break;
 188         case 1:
 189                 args << L1S("-lc"); //Forces use of LC AAC profile
 190                 break;
 191         case 2:
 192                 args << L1S("-he"); //Forces use of HE AAC profile
 193                 break;
 194         case 3:
 195                 args << L1S("-hev2"); //Forces use of HEv2 AAC profile
 196                 break;
 197         default:
 198                 MUTILS_THROW("Bad AAC Profile specified!");
 199         }
 200
 201         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 202
 203         args << L1S("-if") << QDir::toNativeSeparators(sourceFile);
 204         args << L1S("-of") << QDir::toNativeSeparators(outputFile);
 205
 206         if(!startProcess(process, m_binary_enc, args))
 207         {
 208                 return false;
 209         }
 210
 211         int prevProgress = -1;
 212         QRegExp regExp_sp(L1S("\\bprocessed\\s+(\\d+)\\s+seconds"), Qt::CaseInsensitive);
 213         QRegExp regExp_mp(L1S("\\b(\\w+)\\s+pass:\\s+processed\\s+(\\d+)\\s+seconds"), Qt::CaseInsensitive);
 214
 215         const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, &duration, &regExp_sp, &regExp_mp](const QString &text)
 216         {
 217                 if (regExp_mp.lastIndexIn(text) >= 0)
 218                 {
 219                         int timeElapsed;
 220                         if ((duration > 0) && MUtils::regexp_parse_int32(regExp_mp, timeElapsed, 2))
 221                         {
 222                                 const bool second_pass = (regExp_mp.cap(1).compare(L1S("second"), Qt::CaseInsensitive) == 0);
 223                                 const int newProgress = qRound((second_pass ? 50.0 : 0.0) + ((static_cast<double>(timeElapsed) / static_cast<double>(duration)) * 50.0));
 224                                 if (newProgress > prevProgress)
 225                                 {
 226                                         emit statusUpdated(newProgress);
 227                                         prevProgress = NEXT_PROGRESS(newProgress);
 228                                 }
 229                         }
 230                         return true;
 231                 }
 232                 if (regExp_sp.lastIndexIn(text) >= 0)
 233                 {
 234                         int timeElapsed;
 235                         if ((duration > 0) && MUtils::regexp_parse_int32(regExp_sp, timeElapsed))
 236                         {
 237                                 const int newProgress = qRound((static_cast<double>(timeElapsed) / static_cast<double>(duration)) * 100.0);
 238                                 if (newProgress > prevProgress)
 239                                 {
 240                                         emit statusUpdated(newProgress);
 241                                         prevProgress = NEXT_PROGRESS(newProgress);
 242                                 }
 243                         }
 244                         return true;
 245                 }
 246                 return false;
 247         });
 248
 249         if(result != RESULT_SUCCESS)
 250         {
 251                 return false;
 252         }
 253
 254         if(metaInfo.empty(false))
 255         {
 256                 return true;
 257         }
 258
 259         emit messageLogged(L1S("\n-------------------------------\n"));
 260
 261         args.clear();
 262         args << QDir::toNativeSeparators(outputFile);
 263
 264         if(!metaInfo.title().isEmpty())   args << QString("-meta:title=%1").arg(cleanTag(metaInfo.title()));
 265         if(!metaInfo.artist().isEmpty())  args << QString("-meta:artist=%1").arg(cleanTag(metaInfo.artist()));
 266         if(!metaInfo.album().isEmpty())   args << QString("-meta:album=%1").arg(cleanTag(metaInfo.album()));
 267         if(!metaInfo.genre().isEmpty())   args << QString("-meta:genre=%1").arg(cleanTag(metaInfo.genre()));
 268         if(!metaInfo.comment().isEmpty()) args << QString("-meta:comment=%1").arg(cleanTag(metaInfo.comment()));
 269         if(metaInfo.year())               args << QString("-meta:year=%1").arg(QString::number(metaInfo.year()));
 270         if(metaInfo.position())           args << QString("-meta:track=%1").arg(QString::number(metaInfo.position()));
 271         if(!metaInfo.cover().isEmpty())   args << QString("-add-cover:%1:%2").arg("front", metaInfo.cover());
 272
 273         if(!startProcess(process, m_binary_tag, args))
 274         {
 275                 return false;
 276         }
 277
 278         return (awaitProcess(process, abortFlag) == RESULT_SUCCESS);
 279 }
 280
 281 bool AACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 282 {
 283         if(containerType.compare(L1S("Wave"), Qt::CaseInsensitive) == 0)
 284         {
 285                 if(formatType.compare(L1S("PCM"), Qt::CaseInsensitive) == 0)
 286                 {
 287                         return true;
 288                 }
 289         }
 290
 291         return false;
 292 }
 293
 294 const unsigned int *AACEncoder::supportedSamplerates(void)
 295 {
 296         static const unsigned int supportedRates[] = { 96000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, NULL};
 297         return supportedRates;
 298 }
 299
 300 void AACEncoder::setProfile(int profile)
 301 {
 302         m_configProfile = qBound(0, profile, 3);
 303 }
 304
 305 void AACEncoder::setEnable2Pass(bool enabled)
 306 {
 307         m_configEnable2Pass = enabled;
 308 }
 309
 310 const bool AACEncoder::needsTimingInfo(void)
 311 {
 312         return true;
 313 }
 314
 315 const AbstractEncoderInfo *AACEncoder::getEncoderInfo(void)
 316 {
 317         return &g_aacEncoderInfo;
 318 }