src/Encoder_AAC_FHG.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_AAC_FHG.h"
  24
  25 #include "Global.h"
  26 #include "Model_Settings.h"
  27
  28 #include <math.h>
  29 #include <QProcess>
  30 #include <QDir>
  31
  32 static int index2bitrate(const int index)
  33 {
  34         return (index < 32) ? ((index + 1) * 8) : ((index - 15) * 16);
  35 }
  36
  37 ///////////////////////////////////////////////////////////////////////////////
  38 // Encoder Info
  39 ///////////////////////////////////////////////////////////////////////////////
  40
  41 class FHGAACEncoderInfo : public AbstractEncoderInfo
  42 {
  43         virtual bool isModeSupported(int mode) const
  44         {
  45                 switch(mode)
  46                 {
  47                 case SettingsModel::VBRMode:
  48                 case SettingsModel::CBRMode:
  49                         return true;
  50                         break;
  51                 case SettingsModel::ABRMode:
  52                         return false;
  53                         break;
  54                 default:
  55                         MUTILS_THROW("Bad RC mode specified!");
  56                 }
  57         }
  58
  59         virtual int valueCount(int mode) const
  60         {
  61                 switch(mode)
  62                 {
  63                 case SettingsModel::VBRMode:
  64                         return 6;
  65                         break;
  66                 case SettingsModel::ABRMode:
  67                 case SettingsModel::CBRMode:
  68                         return 52;
  69                         break;
  70                 default:
  71                         MUTILS_THROW("Bad RC mode specified!");
  72                 }
  73         }
  74
  75         virtual int valueAt(int mode, int index) const
  76         {
  77                 switch(mode)
  78                 {
  79                 case SettingsModel::VBRMode:
  80                         return qBound(1, index + 1, 6);
  81                         break;
  82                 case SettingsModel::ABRMode:
  83                 case SettingsModel::CBRMode:
  84                         return qBound(8, index2bitrate(index), 576);
  85                         break;
  86                 default:
  87                         MUTILS_THROW("Bad RC mode specified!");
  88                 }
  89         }
  90
  91         virtual int valueType(int mode) const
  92         {
  93                 switch(mode)
  94                 {
  95                 case SettingsModel::VBRMode:
  96                         return TYPE_QUALITY_LEVEL_INT;
  97                         break;
  98                 case SettingsModel::ABRMode:
  99                         return TYPE_APPROX_BITRATE;
 100                         break;
 101                 case SettingsModel::CBRMode:
 102                         return TYPE_BITRATE;
 103                         break;
 104                 default:
 105                         MUTILS_THROW("Bad RC mode specified!");
 106                 }
 107         }
 108
 109         virtual const char *description(void) const
 110         {
 111                 static const char* s_description = "fhgaacenc/Winamp (\x0C2\x0A9 Nullsoft)";
 112                 return s_description;
 113         }
 114 }
 115 static const g_fhgAacEncoderInfo;
 116
 117 ///////////////////////////////////////////////////////////////////////////////
 118 // Encoder implementation
 119 ///////////////////////////////////////////////////////////////////////////////
 120
 121 FHGAACEncoder::FHGAACEncoder(void)
 122 :
 123         m_binary_enc(lamexp_lookup_tool("fhgaacenc.exe")),
 124         m_binary_dll(lamexp_lookup_tool("enc_fhgaac.dll"))
 125 {
 126         if(m_binary_enc.isEmpty() || m_binary_dll.isEmpty())
 127         {
 128                 MUTILS_THROW("Error initializing FhgAacEnc. Tool 'fhgaacenc.exe' is not registred!");
 129         }
 130
 131         m_configProfile = 0;
 132 }
 133
 134 FHGAACEncoder::~FHGAACEncoder(void)
 135 {
 136 }
 137
 138 bool FHGAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const QString &outputFile, volatile bool *abortFlag)
 139 {
 140         QProcess process;
 141         QStringList args;
 142
 143         int maxBitrate = 576;
 144
 145         if(m_configRCMode == SettingsModel::CBRMode)
 146         {
 147                 switch(m_configProfile)
 148                 {
 149                 case 1:
 150                         args << "--profile" << "lc"; //Forces use of LC AAC profile
 151                         break;
 152                 case 2:
 153                         maxBitrate = 128;
 154                         args << "--profile" << "he"; //Forces use of HE AAC profile
 155                         break;
 156                 case 3:
 157                         maxBitrate = 56;
 158                         args << "--profile" << "hev2"; //Forces use of HEv2 AAC profile
 159                         break;
 160                 }
 161         }
 162
 163         switch(m_configRCMode)
 164         {
 165         case SettingsModel::CBRMode:
 166                 args << "--cbr" << QString::number(qBound(8, index2bitrate(m_configBitrate), maxBitrate));
 167                 break;
 168         case SettingsModel::VBRMode:
 169                 args << "--vbr" << QString::number(qBound(1, m_configBitrate + 1, 6));
 170                 break;
 171         default:
 172                 MUTILS_THROW("Bad rate-control mode!");
 173                 break;
 174         }
 175
 176         args << "--dll" << m_binary_dll;
 177
 178         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 179
 180         args << QDir::toNativeSeparators(sourceFile);
 181         args << QDir::toNativeSeparators(outputFile);
 182
 183         if(!startProcess(process, m_binary_enc, args))
 184         {
 185                 return false;
 186         }
 187
 188         bool bTimeout = false;
 189         bool bAborted = false;
 190         int prevProgress = -1;
 191
 192         QRegExp regExp("Progress:\\s*(\\d+)%");
 193
 194         while(process.state() != QProcess::NotRunning)
 195         {
 196                 if(*abortFlag)
 197                 {
 198                         process.kill();
 199                         bAborted = true;
 200                         emit messageLogged("\nABORTED BY USER !!!");
 201                         break;
 202                 }
 203                 process.waitForReadyRead(m_processTimeoutInterval);
 204                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 205                 {
 206                         process.kill();
 207                         qWarning("FhgAacEnc process timed out <-- killing!");
 208                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 209                         bTimeout = true;
 210                         break;
 211                 }
 212                 while(process.bytesAvailable() > 0)
 213                 {
 214                         QByteArray line = process.readLine();
 215                         QString text = QString::fromUtf8(line.constData()).simplified();
 216                         if(regExp.lastIndexIn(text) >= 0)
 217                         {
 218                                 bool ok = false;
 219                                 int progress = regExp.cap(1).toInt(&ok);
 220                                 if(ok && (progress > prevProgress))
 221                                 {
 222                                         emit statusUpdated(progress);
 223                                         prevProgress = qMin(progress + 2, 99);
 224                                 }
 225                         }
 226                         else if(!text.isEmpty())
 227                         {
 228                                 emit messageLogged(text);
 229                         }
 230                 }
 231         }
 232
 233         process.waitForFinished();
 234         if(process.state() != QProcess::NotRunning)
 235         {
 236                 process.kill();
 237                 process.waitForFinished(-1);
 238         }
 239
 240         emit statusUpdated(100);
 241         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 242
 243         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 244         {
 245                 return false;
 246         }
 247
 248         return true;
 249 }
 250
 251 QString FHGAACEncoder::extension(void)
 252 {
 253         return "mp4";
 254 }
 255
 256 bool FHGAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 257 {
 258         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 259         {
 260                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 261                 {
 262                         return true;
 263                 }
 264         }
 265
 266         return false;
 267 }
 268
 269 const unsigned int *FHGAACEncoder::supportedChannelCount(void)
 270 {
 271         static const unsigned int supportedChannels[] = {1, 2, 4, 5, 6, NULL};
 272         return supportedChannels;
 273 }
 274
 275 const unsigned int *FHGAACEncoder::supportedSamplerates(void)
 276 {
 277         static const unsigned int supportedRates[] = {192000, 96000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 6000, NULL};
 278         return supportedRates;
 279 }
 280
 281 const unsigned int *FHGAACEncoder::supportedBitdepths(void)
 282 {
 283         static const unsigned int supportedBPS[] = {16, 24, NULL};
 284         return supportedBPS;
 285 }
 286
 287 void FHGAACEncoder::setProfile(int profile)
 288 {
 289         m_configProfile = profile;
 290 }
 291
 292 const AbstractEncoderInfo *FHGAACEncoder::getEncoderInfo(void)
 293 {
 294         return &g_fhgAacEncoderInfo;
 295 }