src/Encoder_AAC_FHG.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2013 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_AAC_FHG.h"
  23
  24 #include "Global.h"
  25 #include "Model_Settings.h"
  26
  27 #include <math.h>
  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 ///////////////////////////////////////////////////////////////////////////////
  37 // Encoder Info
  38 ///////////////////////////////////////////////////////////////////////////////
  39
  40 class FHGAACEncoderInfo : public AbstractEncoderInfo
  41 {
  42         virtual bool isModeSupported(int mode) const
  43         {
  44                 switch(mode)
  45                 {
  46                 case SettingsModel::VBRMode:
  47                 case SettingsModel::CBRMode:
  48                         return true;
  49                         break;
  50                 case SettingsModel::ABRMode:
  51                         return false;
  52                         break;
  53                 default:
  54                         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 6;
  64                         break;
  65                 case SettingsModel::ABRMode:
  66                 case SettingsModel::CBRMode:
  67                         return 52;
  68                         break;
  69                 default:
  70                         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(1, index + 1, 6);
  80                         break;
  81                 case SettingsModel::ABRMode:
  82                 case SettingsModel::CBRMode:
  83                         return qBound(8, index2bitrate(index), 576);
  84                         break;
  85                 default:
  86                         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_INT;
  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                         throw "Bad RC mode specified!";
 105                 }
 106         }
 107
 108         virtual const char *description(void) const
 109         {
 110                 static const char* s_description = "fhgaacenc/Winamp (\x0C2\x0A9 Nullsoft)";
 111                 return s_description;
 112         }
 113 }
 114 static const g_fhgAacEncoderInfo;
 115
 116 ///////////////////////////////////////////////////////////////////////////////
 117 // Encoder implementation
 118 ///////////////////////////////////////////////////////////////////////////////
 119
 120 FHGAACEncoder::FHGAACEncoder(void)
 121 :
 122         m_binary_enc(lamexp_lookup_tool("fhgaacenc.exe")),
 123         m_binary_dll(lamexp_lookup_tool("enc_fhgaac.dll"))
 124 {
 125         if(m_binary_enc.isEmpty() || m_binary_dll.isEmpty())
 126         {
 127                 throw "Error initializing FhgAacEnc. Tool 'fhgaacenc.exe' is not registred!";
 128         }
 129
 130         m_configProfile = 0;
 131 }
 132
 133 FHGAACEncoder::~FHGAACEncoder(void)
 134 {
 135 }
 136
 137 bool FHGAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const QString &outputFile, volatile bool *abortFlag)
 138 {
 139         QProcess process;
 140         QStringList args;
 141
 142         int maxBitrate = 576;
 143
 144         if(m_configRCMode == SettingsModel::CBRMode)
 145         {
 146                 switch(m_configProfile)
 147                 {
 148                 case 1:
 149                         args << "--profile" << "lc"; //Forces use of LC AAC profile
 150                         break;
 151                 case 2:
 152                         maxBitrate = 128;
 153                         args << "--profile" << "he"; //Forces use of HE AAC profile
 154                         break;
 155                 case 3:
 156                         maxBitrate = 56;
 157                         args << "--profile" << "hev2"; //Forces use of HEv2 AAC profile
 158                         break;
 159                 }
 160         }
 161
 162         switch(m_configRCMode)
 163         {
 164         case SettingsModel::CBRMode:
 165                 args << "--cbr" << QString::number(qBound(8, index2bitrate(m_configBitrate), maxBitrate));
 166                 break;
 167         case SettingsModel::VBRMode:
 168                 args << "--vbr" << QString::number(qBound(1, m_configBitrate + 1, 6));
 169                 break;
 170         default:
 171                 throw "Bad rate-control mode!";
 172                 break;
 173         }
 174
 175         args << "--dll" << m_binary_dll;
 176
 177         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 178
 179         args << QDir::toNativeSeparators(sourceFile);
 180         args << QDir::toNativeSeparators(outputFile);
 181
 182         if(!startProcess(process, m_binary_enc, args))
 183         {
 184                 return false;
 185         }
 186
 187         bool bTimeout = false;
 188         bool bAborted = false;
 189         int prevProgress = -1;
 190
 191         QRegExp regExp("Progress:\\s*(\\d+)%");
 192
 193         while(process.state() != QProcess::NotRunning)
 194         {
 195                 if(*abortFlag)
 196                 {
 197                         process.kill();
 198                         bAborted = true;
 199                         emit messageLogged("\nABORTED BY USER !!!");
 200                         break;
 201                 }
 202                 process.waitForReadyRead(m_processTimeoutInterval);
 203                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 204                 {
 205                         process.kill();
 206                         qWarning("FhgAacEnc process timed out <-- killing!");
 207                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 208                         bTimeout = true;
 209                         break;
 210                 }
 211                 while(process.bytesAvailable() > 0)
 212                 {
 213                         QByteArray line = process.readLine();
 214                         QString text = QString::fromUtf8(line.constData()).simplified();
 215                         if(regExp.lastIndexIn(text) >= 0)
 216                         {
 217                                 bool ok = false;
 218                                 int progress = regExp.cap(1).toInt(&ok);
 219                                 if(ok && (progress > prevProgress))
 220                                 {
 221                                         emit statusUpdated(progress);
 222                                         prevProgress = qMin(progress + 2, 99);
 223                                 }
 224                         }
 225                         else if(!text.isEmpty())
 226                         {
 227                                 emit messageLogged(text);
 228                         }
 229                 }
 230         }
 231
 232         process.waitForFinished();
 233         if(process.state() != QProcess::NotRunning)
 234         {
 235                 process.kill();
 236                 process.waitForFinished(-1);
 237         }
 238
 239         emit statusUpdated(100);
 240         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 241
 242         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 243         {
 244                 return false;
 245         }
 246
 247         return true;
 248 }
 249
 250 QString FHGAACEncoder::extension(void)
 251 {
 252         return "mp4";
 253 }
 254
 255 bool FHGAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 256 {
 257         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 258         {
 259                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 260                 {
 261                         return true;
 262                 }
 263         }
 264
 265         return false;
 266 }
 267
 268 const unsigned int *FHGAACEncoder::supportedChannelCount(void)
 269 {
 270         static const unsigned int supportedChannels[] = {1, 2, 4, 5, 6, NULL};
 271         return supportedChannels;
 272 }
 273
 274 const unsigned int *FHGAACEncoder::supportedSamplerates(void)
 275 {
 276         static const unsigned int supportedRates[] = {192000, 96000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 6000, NULL};
 277         return supportedRates;
 278 }
 279
 280 const unsigned int *FHGAACEncoder::supportedBitdepths(void)
 281 {
 282         static const unsigned int supportedBPS[] = {16, 24, NULL};
 283         return supportedBPS;
 284 }
 285
 286 void FHGAACEncoder::setProfile(int profile)
 287 {
 288         m_configProfile = profile;
 289 }
 290
 291 const AbstractEncoderInfo *FHGAACEncoder::getEncoderInfo(void)
 292 {
 293         return &g_fhgAacEncoderInfo;
 294 }