src/Encoder_Opus.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2012 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.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "Encoder_Opus.h"
  23
  24 #include "Global.h"
  25 #include "Model_Settings.h"
  26
  27 #include <QProcess>
  28 #include <QDir>
  29 #include <QUUid>
  30
  31 OpusEncoder::OpusEncoder(void)
  32 :
  33         m_binary(lamexp_lookup_tool("opusenc.exe"))
  34 {
  35         if(m_binary.isEmpty())
  36         {
  37                 throw "Error initializing Opus encoder. Tool 'opusenc.exe' is not registred!";
  38         }
  39
  40         m_configOptimizeFor = 0;
  41         m_configEncodeComplexity = 10;
  42         m_configFrameSize = 3;
  43 }
  44
  45 OpusEncoder::~OpusEncoder(void)
  46 {
  47 }
  48
  49 bool OpusEncoder::encode(const QString &sourceFile, const AudioFileModel &metaInfo, const QString &outputFile, volatile bool *abortFlag)
  50 {
  51         const unsigned int fileDuration = metaInfo.fileDuration();
  52
  53         QProcess process;
  54         QStringList args;
  55
  56         switch(m_configRCMode)
  57         {
  58         case SettingsModel::VBRMode:
  59                 args << "--vbr";
  60                 break;
  61         case SettingsModel::ABRMode:
  62                 args << "-cvbr";
  63                 break;
  64         case SettingsModel::CBRMode:
  65                 args << "--hard-cbr";
  66                 break;
  67         default:
  68                 throw "Bad rate-control mode!";
  69                 break;
  70         }
  71
  72         switch(m_configOptimizeFor)
  73         {
  74         case 0:
  75                 args << "--music";
  76                 break;
  77         case 1:
  78                 args << "--speech";
  79                 break;
  80         }
  81
  82         args << "--comp" << QString::number(m_configEncodeComplexity);
  83
  84         switch(m_configFrameSize)
  85         {
  86         case 0:
  87                 args << "--framesize" << "2.5";
  88                 break;
  89         case 1:
  90                 args << "--framesize" << "5";
  91                 break;
  92         case 2:
  93                 args << "--framesize" << "10";
  94                 break;
  95         case 3:
  96                 args << "--framesize" << "20";
  97                 break;
  98         case 4:
  99                 args << "--framesize" << "40";
 100                 break;
 101         case 5:
 102                 args << "--framesize" << "60";
 103                 break;
 104         }
 105
 106         args << QString("--bitrate") << QString::number(qMax(0, qMin(500, m_configBitrate * 8)));
 107
 108         if(!metaInfo.fileName().isEmpty()) args << "--title" << metaInfo.fileName();
 109         if(!metaInfo.fileArtist().isEmpty()) args << "--artist" << metaInfo.fileArtist();
 110         if(!metaInfo.fileAlbum().isEmpty()) args << "--comment" << QString("album=%1").arg(metaInfo.fileAlbum());
 111         if(!metaInfo.fileGenre().isEmpty()) args << "--comment" << QString("genre=%1").arg(metaInfo.fileGenre());
 112         if(!metaInfo.fileComment().isEmpty()) args << "--comment" << QString("comment=%1").arg(metaInfo.fileComment());
 113         if(metaInfo.fileYear()) args << "--comment" << QString("date=%1").arg(QString::number(metaInfo.fileYear()));
 114         if(metaInfo.filePosition()) args << "--comment" << QString("track=%1").arg(QString::number(metaInfo.filePosition()));
 115
 116         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 117
 118         args << QDir::toNativeSeparators(sourceFile);
 119         args << QDir::toNativeSeparators(outputFile);
 120
 121         if(!startProcess(process, m_binary, args))
 122         {
 123                 return false;
 124         }
 125
 126         bool bTimeout = false;
 127         bool bAborted = false;
 128         int prevProgress = -1;
 129
 130         QRegExp regExp("\\[(-|\\\\|/|\\|)\\]\\s*(\\d+):(\\d+):(\\d+)");
 131
 132         while(process.state() != QProcess::NotRunning)
 133         {
 134                 if(*abortFlag)
 135                 {
 136                         process.kill();
 137                         bAborted = true;
 138                         emit messageLogged("\nABORTED BY USER !!!");
 139                         break;
 140                 }
 141                 process.waitForReadyRead(m_processTimeoutInterval);
 142                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 143                 {
 144                         process.kill();
 145                         qWarning("Opus process timed out <-- killing!");
 146                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 147                         bTimeout = true;
 148                         break;
 149                 }
 150                 while(process.bytesAvailable() > 0)
 151                 {
 152                         QByteArray line = process.readLine();
 153                         QString text = QString::fromUtf8(line.constData()).simplified();
 154                         if(regExp.lastIndexIn(text) >= 0)
 155                         {
 156                                 bool ok[3] = {false, false, false};
 157                                 int h = regExp.cap(2).toInt(&ok[0]);
 158                                 int m = regExp.cap(3).toInt(&ok[1]);
 159                                 int s = regExp.cap(4).toInt(&ok[2]);
 160                                 if(ok[0] && ok[1] && ok[2] && (fileDuration > 0))
 161                                 {
 162                                         int filePosition = (h * 3600) + (m * 60) + s;
 163                                         int newProgress = qRound((static_cast<double>(filePosition) / static_cast<double>(fileDuration)) * 100.0);
 164                                         if(newProgress > prevProgress)
 165                                         {
 166                                                 emit statusUpdated(newProgress);
 167                                                 prevProgress = qMin(newProgress + 2, 99);
 168                                         }
 169                                 }
 170                         }
 171                         else if(!text.isEmpty())
 172                         {
 173                                 emit messageLogged(text);
 174                         }
 175                 }
 176         }
 177
 178         process.waitForFinished();
 179         if(process.state() != QProcess::NotRunning)
 180         {
 181                 process.kill();
 182                 process.waitForFinished(-1);
 183         }
 184
 185         emit statusUpdated(100);
 186         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 187
 188         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 189         {
 190                 return false;
 191         }
 192
 193         return true;
 194 }
 195
 196 void OpusEncoder::setOptimizeFor(int optimizeFor)
 197 {
 198         m_configOptimizeFor = qBound(0, optimizeFor, 2);
 199 }
 200
 201 void OpusEncoder::setEncodeComplexity(int complexity)
 202 {
 203         m_configEncodeComplexity = qBound(0, complexity, 10);
 204 }
 205
 206 void OpusEncoder::setFrameSize(int frameSize)
 207 {
 208         m_configFrameSize = qBound(0, frameSize, 5);
 209 }
 210
 211 QString OpusEncoder::extension(void)
 212 {
 213         return "opus";
 214 }
 215
 216 bool OpusEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 217 {
 218         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 219         {
 220                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 221                 {
 222                         return true;
 223                 }
 224         }
 225
 226         return false;
 227 }
 228
 229 const unsigned int *OpusEncoder::supportedChannelCount(void)
 230 {
 231         return NULL;
 232 }
 233
 234 const unsigned int *OpusEncoder::supportedBitdepths(void)
 235 {
 236         return NULL;
 237 }
 238
 239 const bool OpusEncoder::needsTimingInfo(void)
 240 {
 241         return true;
 242 }