src/Encoder_Opus.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_Opus.h"
  24
  25 #include "Global.h"
  26 #include "Model_Settings.h"
  27
  28 #include <QProcess>
  29 #include <QDir>
  30 #include <QUUid>
  31
  32 ///////////////////////////////////////////////////////////////////////////////
  33 // Encoder Info
  34 ///////////////////////////////////////////////////////////////////////////////
  35
  36 class OpusEncoderInfo : public AbstractEncoderInfo
  37 {
  38         virtual bool isModeSupported(int mode) const
  39         {
  40                 switch(mode)
  41                 {
  42                 case SettingsModel::VBRMode:
  43                 case SettingsModel::ABRMode:
  44                 case SettingsModel::CBRMode:
  45                         return true;
  46                         break;
  47                 default:
  48                         MUTILS_THROW("Bad RC mode specified!");
  49                 }
  50         }
  51
  52         virtual int valueCount(int mode) const
  53         {
  54                 switch(mode)
  55                 {
  56                 case SettingsModel::VBRMode:
  57                 case SettingsModel::ABRMode:
  58                 case SettingsModel::CBRMode:
  59                         return 32;
  60                         break;
  61                 default:
  62                         MUTILS_THROW("Bad RC mode specified!");
  63                 }
  64         }
  65
  66         virtual int valueAt(int mode, int index) const
  67         {
  68                 switch(mode)
  69                 {
  70                 case SettingsModel::VBRMode:
  71                 case SettingsModel::ABRMode:
  72                 case SettingsModel::CBRMode:
  73                         return qBound(8, (index + 1) * 8, 256);
  74                         break;
  75                 default:
  76                         MUTILS_THROW("Bad RC mode specified!");
  77                 }
  78         }
  79
  80         virtual int valueType(int mode) const
  81         {
  82                 switch(mode)
  83                 {
  84                 case SettingsModel::VBRMode:
  85                 case SettingsModel::ABRMode:
  86                         return TYPE_APPROX_BITRATE;
  87                         break;
  88                 case SettingsModel::CBRMode:
  89                         return TYPE_BITRATE;
  90                         break;
  91                 default:
  92                         MUTILS_THROW("Bad RC mode specified!");
  93                 }
  94         }
  95
  96         virtual const char *description(void) const
  97         {
  98                 static const char* s_description = "Opus-Tools OpusEnc (libopus)";
  99                 return s_description;
 100         }
 101 }
 102 static const g_opusEncoderInfo;
 103
 104 ///////////////////////////////////////////////////////////////////////////////
 105 // Encoder implementation
 106 ///////////////////////////////////////////////////////////////////////////////
 107
 108 OpusEncoder::OpusEncoder(void)
 109 :
 110         m_binary(lamexp_tool_lookup("opusenc.exe"))
 111 {
 112         if(m_binary.isEmpty())
 113         {
 114                 MUTILS_THROW("Error initializing Opus encoder. Tool 'opusenc.exe' is not registred!");
 115         }
 116
 117         m_configOptimizeFor = 0;
 118         m_configEncodeComplexity = 10;
 119         m_configFrameSize = 3;
 120 }
 121
 122 OpusEncoder::~OpusEncoder(void)
 123 {
 124 }
 125
 126 bool OpusEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const QString &outputFile, volatile bool *abortFlag)
 127 {
 128         QProcess process;
 129         QStringList args;
 130
 131         switch(m_configRCMode)
 132         {
 133         case SettingsModel::VBRMode:
 134                 args << "--vbr";
 135                 break;
 136         case SettingsModel::ABRMode:
 137                 args << "--cvbr";
 138                 break;
 139         case SettingsModel::CBRMode:
 140                 args << "--hard-cbr";
 141                 break;
 142         default:
 143                 MUTILS_THROW("Bad rate-control mode!");
 144                 break;
 145         }
 146
 147         args << "--comp" << QString::number(m_configEncodeComplexity);
 148
 149         switch(m_configFrameSize)
 150         {
 151         case 0:
 152                 args << "--framesize" << "2.5";
 153                 break;
 154         case 1:
 155                 args << "--framesize" << "5";
 156                 break;
 157         case 2:
 158                 args << "--framesize" << "10";
 159                 break;
 160         case 3:
 161                 args << "--framesize" << "20";
 162                 break;
 163         case 4:
 164                 args << "--framesize" << "40";
 165                 break;
 166         case 5:
 167                 args << "--framesize" << "60";
 168                 break;
 169         }
 170
 171         args << QString("--bitrate") << QString::number(qBound(8, (m_configBitrate + 1) * 8, 256));
 172
 173         if(!metaInfo.title().isEmpty()) args << "--title" << cleanTag(metaInfo.title());
 174         if(!metaInfo.artist().isEmpty()) args << "--artist" << cleanTag(metaInfo.artist());
 175         if(!metaInfo.album().isEmpty()) args << "--album" << cleanTag(metaInfo.album());
 176         if(!metaInfo.genre().isEmpty()) args << "--genre" << cleanTag(metaInfo.genre());
 177         if(metaInfo.year()) args << "--date" << QString::number(metaInfo.year());
 178         if(metaInfo.position()) args << "--comment" << QString("tracknumber=%1").arg(QString::number(metaInfo.position()));
 179         if(!metaInfo.comment().isEmpty()) args << "--comment" << QString("comment=%1").arg(cleanTag(metaInfo.comment()));
 180
 181         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 182
 183         args << QDir::toNativeSeparators(sourceFile);
 184         args << QDir::toNativeSeparators(outputFile);
 185
 186         if(!startProcess(process, m_binary, args))
 187         {
 188                 return false;
 189         }
 190
 191         bool bTimeout = false;
 192         bool bAborted = false;
 193         int prevProgress = -1;
 194
 195         QRegExp regExp("\\((\\d+)%\\)");
 196
 197         while(process.state() != QProcess::NotRunning)
 198         {
 199                 if(*abortFlag)
 200                 {
 201                         process.kill();
 202                         bAborted = true;
 203                         emit messageLogged("\nABORTED BY USER !!!");
 204                         break;
 205                 }
 206                 process.waitForReadyRead(m_processTimeoutInterval);
 207                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 208                 {
 209                         process.kill();
 210                         qWarning("Opus process timed out <-- killing!");
 211                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 212                         bTimeout = true;
 213                         break;
 214                 }
 215                 while(process.bytesAvailable() > 0)
 216                 {
 217                         QByteArray line = process.readLine();
 218                         QString text = QString::fromUtf8(line.constData()).simplified();
 219                         if(regExp.lastIndexIn(text) >= 0)
 220                         {
 221                                 bool ok = false;
 222                                 int progress = regExp.cap(1).toInt(&ok);
 223                                 if(ok && (progress > prevProgress))
 224                                 {
 225                                         emit statusUpdated(progress);
 226                                         prevProgress = qMin(progress + 2, 99);
 227                                 }
 228                         }
 229                         else if(!text.isEmpty())
 230                         {
 231                                 emit messageLogged(text);
 232                         }
 233                 }
 234         }
 235
 236         process.waitForFinished();
 237         if(process.state() != QProcess::NotRunning)
 238         {
 239                 process.kill();
 240                 process.waitForFinished(-1);
 241         }
 242
 243         emit statusUpdated(100);
 244         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 245
 246         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 247         {
 248                 return false;
 249         }
 250
 251         return true;
 252 }
 253
 254 void OpusEncoder::setOptimizeFor(int optimizeFor)
 255 {
 256         m_configOptimizeFor = qBound(0, optimizeFor, 2);
 257 }
 258
 259 void OpusEncoder::setEncodeComplexity(int complexity)
 260 {
 261         m_configEncodeComplexity = qBound(0, complexity, 10);
 262 }
 263
 264 void OpusEncoder::setFrameSize(int frameSize)
 265 {
 266         m_configFrameSize = qBound(0, frameSize, 5);
 267 }
 268
 269 QString OpusEncoder::extension(void)
 270 {
 271         return "opus";
 272 }
 273
 274 bool OpusEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 275 {
 276         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 277         {
 278                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 279                 {
 280                         return true;
 281                 }
 282         }
 283
 284         return false;
 285 }
 286
 287 const unsigned int *OpusEncoder::supportedChannelCount(void)
 288 {
 289         return NULL;
 290 }
 291
 292 const unsigned int *OpusEncoder::supportedBitdepths(void)
 293 {
 294         static const unsigned int supportedBPS[] = {8, 16, 24, AudioFileModel::BITDEPTH_IEEE_FLOAT32, NULL};
 295         return supportedBPS;
 296 }
 297
 298 const bool OpusEncoder::needsTimingInfo(void)
 299 {
 300         return true;
 301 }
 302
 303 const AbstractEncoderInfo *OpusEncoder::getEncoderInfo(void)
 304 {
 305         return &g_opusEncoderInfo;
 306 }