src/Encoder_AAC_FHG.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_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 FHGAACEncoder::FHGAACEncoder(void)
  32 :
  33         m_binary_enc(lamexp_lookup_tool("fhgaacenc.exe")),
  34         m_binary_dll(lamexp_lookup_tool("enc_fhgaac.dll"))
  35 {
  36         if(m_binary_enc.isEmpty() || m_binary_dll.isEmpty())
  37         {
  38                 throw "Error initializing FhgAacEnc. Tool 'fhgaacenc.exe' is not registred!";
  39         }
  40
  41         m_configProfile = 0;
  42 }
  43
  44 FHGAACEncoder::~FHGAACEncoder(void)
  45 {
  46 }
  47
  48 bool FHGAACEncoder::encode(const QString &sourceFile, const AudioFileModel &metaInfo, const QString &outputFile, volatile bool *abortFlag)
  49 {
  50         QProcess process;
  51         QStringList args;
  52
  53         int maxBitrate = 500;
  54
  55         if(m_configRCMode == SettingsModel::CBRMode)
  56         {
  57                 switch(m_configProfile)
  58                 {
  59                 case 1:
  60                         args << "--profile" << "lc"; //Forces use of LC AAC profile
  61                         break;
  62                 case 2:
  63                         maxBitrate = 128;
  64                         args << "--profile" << "he"; //Forces use of HE AAC profile
  65                         break;
  66                 case 3:
  67                         maxBitrate = 56;
  68                         args << "--profile" << "hev2"; //Forces use of HEv2 AAC profile
  69                         break;
  70                 }
  71         }
  72
  73         switch(m_configRCMode)
  74         {
  75         case SettingsModel::CBRMode:
  76                 args << "--cbr" << QString::number(qMax(32, qMin(maxBitrate, (m_configBitrate * 8))));
  77                 break;
  78         case SettingsModel::VBRMode:
  79                 args << "--vbr" << QString::number(qRound(static_cast<double>(m_configBitrate) / 5.0) + 1);
  80                 break;
  81         default:
  82                 throw "Bad rate-control mode!";
  83                 break;
  84         }
  85
  86         args << "--dll" << m_binary_dll;
  87
  88         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
  89
  90         args << QDir::toNativeSeparators(sourceFile);
  91         args << QDir::toNativeSeparators(outputFile);
  92
  93         if(!startProcess(process, m_binary_enc, args))
  94         {
  95                 return false;
  96         }
  97
  98         bool bTimeout = false;
  99         bool bAborted = false;
 100         int prevProgress = -1;
 101
 102         QRegExp regExp("Progress:\\s*(\\d+)%");
 103
 104         while(process.state() != QProcess::NotRunning)
 105         {
 106                 if(*abortFlag)
 107                 {
 108                         process.kill();
 109                         bAborted = true;
 110                         emit messageLogged("\nABORTED BY USER !!!");
 111                         break;
 112                 }
 113                 process.waitForReadyRead(m_processTimeoutInterval);
 114                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 115                 {
 116                         process.kill();
 117                         qWarning("FhgAacEnc process timed out <-- killing!");
 118                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 119                         bTimeout = true;
 120                         break;
 121                 }
 122                 while(process.bytesAvailable() > 0)
 123                 {
 124                         QByteArray line = process.readLine();
 125                         QString text = QString::fromUtf8(line.constData()).simplified();
 126                         if(regExp.lastIndexIn(text) >= 0)
 127                         {
 128                                 bool ok = false;
 129                                 int progress = regExp.cap(1).toInt(&ok);
 130                                 if(ok && (progress > prevProgress))
 131                                 {
 132                                         emit statusUpdated(progress);
 133                                         prevProgress = qMin(progress + 2, 99);
 134                                 }
 135                         }
 136                         else if(!text.isEmpty())
 137                         {
 138                                 emit messageLogged(text);
 139                         }
 140                 }
 141         }
 142
 143         process.waitForFinished();
 144         if(process.state() != QProcess::NotRunning)
 145         {
 146                 process.kill();
 147                 process.waitForFinished(-1);
 148         }
 149
 150         emit statusUpdated(100);
 151         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 152
 153         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
 154         {
 155                 return false;
 156         }
 157
 158         return true;
 159 }
 160
 161 QString FHGAACEncoder::extension(void)
 162 {
 163         return "mp4";
 164 }
 165
 166 bool FHGAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 167 {
 168         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 169         {
 170                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 171                 {
 172                         return true;
 173                 }
 174         }
 175
 176         return false;
 177 }
 178
 179 const unsigned int *FHGAACEncoder::supportedChannelCount(void)
 180 {
 181         static const unsigned int supportedChannels[] = {1, 2, 4, 5, 6, NULL};
 182         return supportedChannels;
 183 }
 184
 185 const unsigned int *FHGAACEncoder::supportedSamplerates(void)
 186 {
 187         static const unsigned int supportedRates[] = {192000, 96000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 6000, NULL};
 188         return supportedRates;
 189 }
 190
 191 const unsigned int *FHGAACEncoder::supportedBitdepths(void)
 192 {
 193         static const unsigned int supportedBPS[] = {16, 24, NULL};
 194         return supportedBPS;
 195 }
 196
 197 void FHGAACEncoder::setProfile(int profile)
 198 {
 199         m_configProfile = profile;
 200 }