src/Encoder_Vorbis.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2017 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_Vorbis.h"
  24
  25 #include "Global.h"
  26 #include "Model_Settings.h"
  27
  28 #include <QProcess>
  29 #include <QDir>
  30
  31 ///////////////////////////////////////////////////////////////////////////////
  32 // Encoder Info
  33 ///////////////////////////////////////////////////////////////////////////////
  34
  35 class VorbisEncoderInfo : public AbstractEncoderInfo
  36 {
  37         virtual bool isModeSupported(int mode) const
  38         {
  39                 switch(mode)
  40                 {
  41                 case SettingsModel::VBRMode:
  42                 case SettingsModel::ABRMode:
  43                         return true;
  44                         break;
  45                 case SettingsModel::CBRMode:
  46                         return false;
  47                         break;
  48                 default:
  49                         MUTILS_THROW("Bad RC mode specified!");
  50                 }
  51         }
  52
  53         virtual int valueCount(int mode) const
  54         {
  55                 switch(mode)
  56                 {
  57                 case SettingsModel::VBRMode:
  58                         return 12;
  59                         break;
  60                 case SettingsModel::ABRMode:
  61                 case SettingsModel::CBRMode:
  62                         return 60;
  63                         break;
  64                 default:
  65                         MUTILS_THROW("Bad RC mode specified!");
  66                 }
  67         }
  68
  69         virtual int valueAt(int mode, int index) const
  70         {
  71                 switch(mode)
  72                 {
  73                 case SettingsModel::VBRMode:
  74                         return qBound(-2, index - 2, 10);
  75                         break;
  76                 case SettingsModel::ABRMode:
  77                 case SettingsModel::CBRMode:
  78                         return qBound(32, (index + 4) * 8, 500);
  79                         break;
  80                 default:
  81                         MUTILS_THROW("Bad RC mode specified!");
  82                 }
  83         }
  84
  85         virtual int valueType(int mode) const
  86         {
  87                 switch(mode)
  88                 {
  89                 case SettingsModel::VBRMode:
  90                         return TYPE_QUALITY_LEVEL_INT;
  91                         break;
  92                 case SettingsModel::ABRMode:
  93                         return TYPE_APPROX_BITRATE;
  94                         break;
  95                 case SettingsModel::CBRMode:
  96                         return TYPE_BITRATE;
  97                         break;
  98                 default:
  99                         MUTILS_THROW("Bad RC mode specified!");
 100                 }
 101         }
 102
 103         virtual const char *description(void) const
 104         {
 105                 static const char* s_description = "OggEnc2 Vorbis Encoder (aoTuV)";
 106                 return s_description;
 107         }
 108
 109         virtual const char *extension(void) const
 110         {
 111                 static const char* s_extension = "ogg";
 112                 return s_extension;
 113         }
 114
 115         virtual bool isResamplingSupported(void) const
 116         {
 117                 return true;
 118         }
 119 }
 120 static const g_vorbisEncoderInfo;
 121
 122 ///////////////////////////////////////////////////////////////////////////////
 123 // Encoder implementation
 124 ///////////////////////////////////////////////////////////////////////////////
 125
 126 VorbisEncoder::VorbisEncoder(void)
 127 :
 128         m_binary(lamexp_tools_lookup(L1S("oggenc2.exe")))
 129 {
 130         if(m_binary.isEmpty())
 131         {
 132                 MUTILS_THROW("Error initializing Vorbis encoder. Tool 'oggenc2.exe' is not registred!");
 133         }
 134
 135         m_configBitrateMaximum = 0;
 136         m_configBitrateMinimum = 0;
 137         m_configSamplingRate = 0;
 138 }
 139
 140 VorbisEncoder::~VorbisEncoder(void)
 141 {
 142 }
 143
 144 bool VorbisEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const unsigned int channels, const QString &outputFile, QAtomicInt &abortFlag)
 145 {
 146         QProcess process;
 147         QStringList args;
 148         const QString baseName = QFileInfo(outputFile).fileName();
 149
 150         switch(m_configRCMode)
 151         {
 152         case SettingsModel::VBRMode:
 153                 args << L1S("-q") << QString::number(qBound(-2, m_configBitrate - 2, 10));
 154                 break;
 155         case SettingsModel::ABRMode:
 156                 args << L1S("-b") << QString::number(qBound(32, (m_configBitrate + 4) * 8, 500));
 157                 break;
 158         default:
 159                 MUTILS_THROW("Bad rate-control mode!");
 160                 break;
 161         }
 162
 163         if((m_configBitrateMaximum > 0) && (m_configBitrateMinimum > 0) && (m_configBitrateMinimum <= m_configBitrateMaximum))
 164         {
 165                 args << L1S("--min-bitrate") << QString::number(qBound(32, m_configBitrateMinimum, 500));
 166                 args << L1S("--max-bitrate") << QString::number(qBound(32, m_configBitrateMaximum, 500));
 167         }
 168
 169         if(m_configSamplingRate > 0)
 170         {
 171                 args << L1S("--resample") << QString::number(m_configSamplingRate) << L1S("--converter") << QString::number(0);
 172         }
 173
 174         if (!metaInfo.empty(false))
 175         {
 176                 args << L1S("--discard-comments");
 177         }
 178
 179         if(!metaInfo.title().isEmpty())   args << L1S("-t") << cleanTag(metaInfo.title());
 180         if(!metaInfo.artist().isEmpty())  args << L1S("-a") << cleanTag(metaInfo.artist());
 181         if(!metaInfo.album().isEmpty())   args << L1S("-l") << cleanTag(metaInfo.album());
 182         if(!metaInfo.genre().isEmpty())   args << L1S("-G") << cleanTag(metaInfo.genre());
 183         if(!metaInfo.comment().isEmpty()) args << L1S("-c") << QString("comment=%1").arg(cleanTag(metaInfo.comment()));
 184         if(metaInfo.year())               args << L1S("-d") << QString::number(metaInfo.year());
 185         if(metaInfo.position())           args << L1S("-N") << QString::number(metaInfo.position());
 186
 187         //args << "--tv" << QString().sprintf("Encoder=LameXP v%d.%02d.%04d [%s]", lamexp_version_major(), lamexp_version_minor(), lamexp_version_build(), lamexp_version_release());
 188
 189         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 190
 191         args << L1S("-o") << QDir::toNativeSeparators(outputFile);
 192         args << QDir::toNativeSeparators(sourceFile);
 193
 194         if(!startProcess(process, m_binary, args))
 195         {
 196                 return false;
 197         }
 198
 199         bool bTimeout = false;
 200         bool bAborted = false;
 201         int prevProgress = -1;
 202
 203         QRegExp regExp(L1S("\\[.*(\\d+)[.,](\\d+)%\\]"));
 204
 205         while(process.state() != QProcess::NotRunning)
 206         {
 207                 if(checkFlag(abortFlag))
 208                 {
 209                         process.kill();
 210                         bAborted = true;
 211                         emit messageLogged(L1S("\nABORTED BY USER !!!"));
 212                         break;
 213                 }
 214                 process.waitForReadyRead(m_processTimeoutInterval);
 215                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 216                 {
 217                         process.kill();
 218                         qWarning("OggEnc process timed out <-- killing!");
 219                         emit messageLogged(L1S("\nPROCESS TIMEOUT !!!"));
 220                         bTimeout = true;
 221                         break;
 222                 }
 223                 while(process.bytesAvailable() > 0)
 224                 {
 225                         QByteArray line = process.readLine();
 226                         QString text = QString::fromUtf8(line.constData()).simplified();
 227                         if(regExp.lastIndexIn(text) >= 0)
 228                         {
 229                                 bool ok = false;
 230                                 int progress = regExp.cap(1).toInt(&ok);
 231                                 if(ok && (progress > prevProgress))
 232                                 {
 233                                         emit statusUpdated(progress);
 234                                         prevProgress = qMin(progress + 2, 99);
 235                                 }
 236                         }
 237                         else if(!text.isEmpty())
 238                         {
 239                                 emit messageLogged(text);
 240                         }
 241                 }
 242         }
 243
 244         process.waitForFinished();
 245         if(process.state() != QProcess::NotRunning)
 246         {
 247                 process.kill();
 248                 process.waitForFinished(-1);
 249         }
 250
 251         emit statusUpdated(100);
 252         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 253
 254         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 255         {
 256                 return false;
 257         }
 258
 259         return true;
 260 }
 261
 262 bool VorbisEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 263 {
 264         if(containerType.compare(L1S("Wave"), Qt::CaseInsensitive) == 0)
 265         {
 266                 if(formatType.compare(L1S("PCM"), Qt::CaseInsensitive) == 0)
 267                 {
 268                         return true;
 269                 }
 270         }
 271         else if(containerType.compare(L1S("FLAC"), Qt::CaseInsensitive) == 0)
 272         {
 273                 if(formatType.compare(L1S("FLAC"), Qt::CaseInsensitive) == 0)
 274                 {
 275                         return true;
 276                 }
 277         }
 278
 279         return false;
 280 }
 281
 282 void VorbisEncoder::setBitrateLimits(int minimumBitrate, int maximumBitrate)
 283 {
 284         m_configBitrateMinimum = minimumBitrate;
 285         m_configBitrateMaximum = maximumBitrate;
 286 }
 287
 288 const AbstractEncoderInfo *VorbisEncoder::getEncoderInfo(void)
 289 {
 290         return &g_vorbisEncoderInfo;
 291 }