src/Encoder_Opus.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2023 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_Opus.h"
  24
  25 //MUtils
  26 #include <MUtils/Global.h>
  27
  28 //Internal
  29 #include "Global.h"
  30 #include "Model_Settings.h"
  31 #include "MimeTypes.h"
  32
  33 //Qt
  34 #include <QProcess>
  35 #include <QDir>
  36 #include <QUUid>
  37
  38 static const int g_opusBitrateLUT[30] = { 8, 9, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56, 64, 72, 80, 88, 96, 104, 112, 120, 128, 144, 160, 176, 192, 208, 224, 240, 256 };
  39
  40 ///////////////////////////////////////////////////////////////////////////////
  41 // Encoder Info
  42 ///////////////////////////////////////////////////////////////////////////////
  43
  44 class OpusEncoderInfo : public AbstractEncoderInfo
  45 {
  46         virtual bool isModeSupported(int mode) const
  47         {
  48                 switch(mode)
  49                 {
  50                 case SettingsModel::VBRMode:
  51                 case SettingsModel::ABRMode:
  52                 case SettingsModel::CBRMode:
  53                         return true;
  54                         break;
  55                 default:
  56                         MUTILS_THROW("Bad RC mode specified!");
  57                 }
  58         }
  59
  60         virtual int valueCount(int mode) const
  61         {
  62                 switch(mode)
  63                 {
  64                 case SettingsModel::VBRMode:
  65                 case SettingsModel::ABRMode:
  66                 case SettingsModel::CBRMode:
  67                         return 30;
  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                 case SettingsModel::ABRMode:
  80                 case SettingsModel::CBRMode:
  81                         return g_opusBitrateLUT[qBound(0, index, 29)];
  82                         break;
  83                 default:
  84                         MUTILS_THROW("Bad RC mode specified!");
  85                 }
  86         }
  87
  88         virtual int valueType(int mode) const
  89         {
  90                 switch(mode)
  91                 {
  92                 case SettingsModel::VBRMode:
  93                 case SettingsModel::ABRMode:
  94                         return TYPE_APPROX_BITRATE;
  95                         break;
  96                 case SettingsModel::CBRMode:
  97                         return TYPE_BITRATE;
  98                         break;
  99                 default:
 100                         MUTILS_THROW("Bad RC mode specified!");
 101                 }
 102         }
 103
 104         virtual const char *description(void) const
 105         {
 106                 static const char* s_description = "Opus-Tools OpusEnc (libopus)";
 107                 return s_description;
 108         }
 109
 110         virtual const char *extension(void) const
 111         {
 112                 static const char* s_extension = "opus";
 113                 return s_extension;
 114         }
 115
 116         virtual bool isResamplingSupported(void) const
 117         {
 118                 return false;
 119         }
 120 }
 121 static const g_opusEncoderInfo;
 122
 123 ///////////////////////////////////////////////////////////////////////////////
 124 // Encoder implementation
 125 ///////////////////////////////////////////////////////////////////////////////
 126
 127 OpusEncoder::OpusEncoder(void)
 128 :
 129         m_binary(lamexp_tools_lookup(L1S("opusenc.exe")))
 130 {
 131         if(m_binary.isEmpty())
 132         {
 133                 MUTILS_THROW("Error initializing Opus encoder. Tool 'opusenc.exe' is not registred!");
 134         }
 135
 136         m_configOptimizeFor = 0;
 137         m_configEncodeComplexity = 10;
 138         m_configFrameSize = 3;
 139 }
 140
 141 OpusEncoder::~OpusEncoder(void)
 142 {
 143 }
 144
 145 bool OpusEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int /*duration*/, const unsigned int /*channels*/, const QString &outputFile, QAtomicInt &abortFlag)
 146 {
 147         QProcess process;
 148         QStringList args;
 149
 150         switch(m_configRCMode)
 151         {
 152         case SettingsModel::VBRMode:
 153                 args << L1S("--vbr");
 154                 break;
 155         case SettingsModel::ABRMode:
 156                 args << L1S("--cvbr");
 157                 break;
 158         case SettingsModel::CBRMode:
 159                 args << L1S("--hard-cbr");
 160                 break;
 161         default:
 162                 MUTILS_THROW("Bad rate-control mode!");
 163                 break;
 164         }
 165
 166         args << "--comp" << QString::number(m_configEncodeComplexity);
 167
 168         switch(m_configFrameSize)
 169         {
 170         case 0:
 171                 args << L1S("--framesize") << L1S("2.5");
 172                 break;
 173         case 1:
 174                 args << L1S("--framesize") << L1S("5");
 175                 break;
 176         case 2:
 177                 args << L1S("--framesize") << L1S("10");
 178                 break;
 179         case 3:
 180                 args << L1S("--framesize") << L1S("20");
 181                 break;
 182         case 4:
 183                 args << L1S("--framesize") << L1S("40");
 184                 break;
 185         case 5:
 186                 args << L1S("--framesize") << L1S("60");
 187                 break;
 188         }
 189
 190         args << L1S("--bitrate") << QString::number(g_opusBitrateLUT[qBound(0, m_configBitrate, 29)]);
 191
 192         if(!metaInfo.title().isEmpty())   args << L1S("--title")   << cleanTag(metaInfo.title());
 193         if(!metaInfo.artist().isEmpty())  args << L1S("--artist")  << cleanTag(metaInfo.artist());
 194         if(!metaInfo.album().isEmpty())   args << L1S("--album")   << cleanTag(metaInfo.album());
 195         if(!metaInfo.genre().isEmpty())   args << L1S("--genre")   << cleanTag(metaInfo.genre());
 196         if(metaInfo.year())               args << L1S("--date")    << QString::number(metaInfo.year());
 197         if(metaInfo.position())           args << L1S("--comment") << QString("tracknumber=%1").arg(QString::number(metaInfo.position()));
 198         if(!metaInfo.comment().isEmpty()) args << L1S("--comment") << QString("comment=%1").arg(cleanTag(metaInfo.comment()));
 199         if(!metaInfo.cover().isEmpty())   args << L1S("--picture") << makeCoverParam(metaInfo.cover());
 200
 201         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 202
 203         args << QDir::toNativeSeparators(sourceFile);
 204         args << QDir::toNativeSeparators(outputFile);
 205
 206         if(!startProcess(process, m_binary, args))
 207         {
 208                 return false;
 209         }
 210
 211         int prevProgress = -1;
 212         QRegExp regExp(L1S("\\[.\\]\\s+(\\d+)%"));
 213
 214         const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, &regExp](const QString &text)
 215         {
 216                 if (regExp.lastIndexIn(text) >= 0)
 217                 {
 218                         qint32 newProgress;
 219                         if (MUtils::regexp_parse_int32(regExp, newProgress))
 220                         {
 221                                 if (newProgress > prevProgress)
 222                                 {
 223                                         emit statusUpdated(newProgress);
 224                                         prevProgress = NEXT_PROGRESS(newProgress);
 225                                 }
 226                         }
 227                         return true;
 228                 }
 229                 return false;
 230         });
 231
 232         return (result == RESULT_SUCCESS);
 233 }
 234
 235 QString OpusEncoder::detectMimeType(const QString &coverFile)
 236 {
 237         const QString suffix = QFileInfo(coverFile).suffix();
 238         for (size_t i = 0; MIME_TYPES[i].type; i++)
 239         {
 240                 for (size_t k = 0; MIME_TYPES[i].ext[k]; k++)
 241                 {
 242                         if (suffix.compare(QString::fromLatin1(MIME_TYPES[i].ext[k]), Qt::CaseInsensitive) == 0)
 243                         {
 244                                 return QString::fromLatin1(MIME_TYPES[i].type);
 245                         }
 246                 }
 247         }
 248
 249         qWarning("Unknown MIME type for extension '%s' -> using default!", MUTILS_UTF8(coverFile));
 250         return QString::fromLatin1(MIME_TYPES[0].type);
 251 }
 252
 253 QString OpusEncoder::makeCoverParam(const QString &coverFile)
 254 {
 255         return QString("3|%1|||%2").arg(detectMimeType(coverFile), QDir::toNativeSeparators(coverFile));
 256 }
 257
 258 void OpusEncoder::setOptimizeFor(int optimizeFor)
 259 {
 260         m_configOptimizeFor = qBound(0, optimizeFor, 2);
 261 }
 262
 263 void OpusEncoder::setEncodeComplexity(int complexity)
 264 {
 265         m_configEncodeComplexity = qBound(0, complexity, 10);
 266 }
 267
 268 void OpusEncoder::setFrameSize(int frameSize)
 269 {
 270         m_configFrameSize = qBound(0, frameSize, 5);
 271 }
 272
 273 bool OpusEncoder::isFormatSupported(const QString &containerType, const QString& /*containerProfile*/, const QString &formatType, const QString& /*formatProfile*/, const QString& /*formatVersion*/)
 274 {
 275         if(containerType.compare(L1S("Wave"), Qt::CaseInsensitive) == 0)
 276         {
 277                 if(formatType.compare(L1S("PCM"), Qt::CaseInsensitive) == 0)
 278                 {
 279                         return true;
 280                 }
 281         }
 282
 283         return false;
 284 }
 285
 286 const unsigned int *OpusEncoder::supportedChannelCount(void)
 287 {
 288         return NULL;
 289 }
 290
 291 const unsigned int *OpusEncoder::supportedBitdepths(void)
 292 {
 293         static const unsigned int supportedBPS[] = {8, 16, 24, AudioFileModel::BITDEPTH_IEEE_FLOAT32, NULL};
 294         return supportedBPS;
 295 }
 296
 297 const bool OpusEncoder::needsTimingInfo(void)
 298 {
 299         return true;
 300 }
 301
 302 const AbstractEncoderInfo *OpusEncoder::getEncoderInfo(void)
 303 {
 304         return &g_opusEncoderInfo;
 305 }