src/Encoder_AAC_FHG.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2015 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         virtual const char *extension(void) const
 116         {
 117                 static const char* s_extension = "mp4";
 118                 return s_extension;
 119         }
 120 }
 121 static const g_fhgAacEncoderInfo;
 122
 123 ///////////////////////////////////////////////////////////////////////////////
 124 // Encoder implementation
 125 ///////////////////////////////////////////////////////////////////////////////
 126
 127 FHGAACEncoder::FHGAACEncoder(void)
 128 :
 129         m_binary_enc(lamexp_tools_lookup("fhgaacenc.exe")),
 130         m_binary_dll(lamexp_tools_lookup("enc_fhgaac.dll"))
 131 {
 132         if(m_binary_enc.isEmpty() || m_binary_dll.isEmpty())
 133         {
 134                 MUTILS_THROW("Error initializing FhgAacEnc. Tool 'fhgaacenc.exe' is not registred!");
 135         }
 136
 137         m_configProfile = 0;
 138 }
 139
 140 FHGAACEncoder::~FHGAACEncoder(void)
 141 {
 142 }
 143
 144 bool FHGAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const QString &outputFile, volatile bool *abortFlag)
 145 {
 146         QProcess process;
 147         QStringList args;
 148
 149         int maxBitrate = 576;
 150
 151         if(m_configRCMode == SettingsModel::CBRMode)
 152         {
 153                 switch(m_configProfile)
 154                 {
 155                 case 1:
 156                         args << "--profile" << "lc"; //Forces use of LC AAC profile
 157                         break;
 158                 case 2:
 159                         maxBitrate = 128;
 160                         args << "--profile" << "he"; //Forces use of HE AAC profile
 161                         break;
 162                 case 3:
 163                         maxBitrate = 56;
 164                         args << "--profile" << "hev2"; //Forces use of HEv2 AAC profile
 165                         break;
 166                 }
 167         }
 168
 169         switch(m_configRCMode)
 170         {
 171         case SettingsModel::CBRMode:
 172                 args << "--cbr" << QString::number(qBound(8, index2bitrate(m_configBitrate), maxBitrate));
 173                 break;
 174         case SettingsModel::VBRMode:
 175                 args << "--vbr" << QString::number(qBound(1, m_configBitrate + 1, 6));
 176                 break;
 177         default:
 178                 MUTILS_THROW("Bad rate-control mode!");
 179                 break;
 180         }
 181
 182         args << "--dll" << m_binary_dll;
 183
 184         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 185
 186         args << QDir::toNativeSeparators(sourceFile);
 187         args << QDir::toNativeSeparators(outputFile);
 188
 189         if(!startProcess(process, m_binary_enc, args))
 190         {
 191                 return false;
 192         }
 193
 194         bool bTimeout = false;
 195         bool bAborted = false;
 196         int prevProgress = -1;
 197
 198         QRegExp regExp("Progress:\\s*(\\d+)%");
 199
 200         while(process.state() != QProcess::NotRunning)
 201         {
 202                 if(*abortFlag)
 203                 {
 204                         process.kill();
 205                         bAborted = true;
 206                         emit messageLogged("\nABORTED BY USER !!!");
 207                         break;
 208                 }
 209                 process.waitForReadyRead(m_processTimeoutInterval);
 210                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 211                 {
 212                         process.kill();
 213                         qWarning("FhgAacEnc process timed out <-- killing!");
 214                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 215                         bTimeout = true;
 216                         break;
 217                 }
 218                 while(process.bytesAvailable() > 0)
 219                 {
 220                         QByteArray line = process.readLine();
 221                         QString text = QString::fromUtf8(line.constData()).simplified();
 222                         if(regExp.lastIndexIn(text) >= 0)
 223                         {
 224                                 bool ok = false;
 225                                 int progress = regExp.cap(1).toInt(&ok);
 226                                 if(ok && (progress > prevProgress))
 227                                 {
 228                                         emit statusUpdated(progress);
 229                                         prevProgress = qMin(progress + 2, 99);
 230                                 }
 231                         }
 232                         else if(!text.isEmpty())
 233                         {
 234                                 emit messageLogged(text);
 235                         }
 236                 }
 237         }
 238
 239         process.waitForFinished();
 240         if(process.state() != QProcess::NotRunning)
 241         {
 242                 process.kill();
 243                 process.waitForFinished(-1);
 244         }
 245
 246         emit statusUpdated(100);
 247         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 248
 249         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 250         {
 251                 return false;
 252         }
 253
 254         return true;
 255 }
 256
 257 bool FHGAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 258 {
 259         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 260         {
 261                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 262                 {
 263                         return true;
 264                 }
 265         }
 266
 267         return false;
 268 }
 269
 270 const unsigned int *FHGAACEncoder::supportedChannelCount(void)
 271 {
 272         static const unsigned int supportedChannels[] = {1, 2, 4, 5, 6, NULL};
 273         return supportedChannels;
 274 }
 275
 276 const unsigned int *FHGAACEncoder::supportedSamplerates(void)
 277 {
 278         static const unsigned int supportedRates[] = {192000, 96000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 6000, NULL};
 279         return supportedRates;
 280 }
 281
 282 const unsigned int *FHGAACEncoder::supportedBitdepths(void)
 283 {
 284         static const unsigned int supportedBPS[] = {16, 24, NULL};
 285         return supportedBPS;
 286 }
 287
 288 void FHGAACEncoder::setProfile(int profile)
 289 {
 290         m_configProfile = profile;
 291 }
 292
 293 const AbstractEncoderInfo *FHGAACEncoder::getEncoderInfo(void)
 294 {
 295         return &g_fhgAacEncoderInfo;
 296 }