src/Encoder_AAC_FHG.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2011 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 #define max(a,b) (((a) > (b)) ? (a) : (b))
  32 #define min(a,b) (((a) < (b)) ? (a) : (b))
  33
  34 FHGAACEncoder::FHGAACEncoder(void)
  35 :
  36         m_binary_enc(lamexp_lookup_tool("fhgaacenc.exe")),
  37         m_binary_dll(lamexp_lookup_tool("enc_fhgaac.dll"))
  38 {
  39         if(m_binary_enc.isEmpty() || m_binary_dll.isEmpty())
  40         {
  41                 throw "Error initializing FhgAacEnc. Tool 'fhgaacenc.exe' is not registred!";
  42         }
  43
  44         m_configProfile = 0;
  45 }
  46
  47 FHGAACEncoder::~FHGAACEncoder(void)
  48 {
  49 }
  50
  51 bool FHGAACEncoder::encode(const QString &sourceFile, const AudioFileModel &metaInfo, const QString &outputFile, volatile bool *abortFlag)
  52 {
  53         QProcess process;
  54         QStringList args;
  55
  56         int maxBitrate = 500;
  57
  58         if(m_configRCMode == SettingsModel::CBRMode)
  59         {
  60                 switch(m_configProfile)
  61                 {
  62                 case 1:
  63                         args << "--profile" << "lc"; //Forces use of LC AAC profile
  64                         break;
  65                 case 2:
  66                         maxBitrate = 128;
  67                         args << "--profile" << "he"; //Forces use of HE AAC profile
  68                         break;
  69                 case 3:
  70                         maxBitrate = 56;
  71                         args << "--profile" << "hev2"; //Forces use of HEv2 AAC profile
  72                         break;
  73                 }
  74         }
  75
  76         switch(m_configRCMode)
  77         {
  78         case SettingsModel::CBRMode:
  79                 args << "--cbr" << QString::number(max(32, min(maxBitrate, (m_configBitrate * 8))));
  80                 break;
  81         case SettingsModel::VBRMode:
  82                 args << "--vbr" << QString::number(qRound(static_cast<double>(m_configBitrate) / 5.0) + 1);
  83                 break;
  84         default:
  85                 throw "Bad rate-control mode!";
  86                 break;
  87         }
  88
  89         args << "--dll" << m_binary_dll;
  90
  91         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
  92
  93         args << QDir::toNativeSeparators(sourceFile);
  94         args << QDir::toNativeSeparators(outputFile);
  95
  96         if(!startProcess(process, m_binary_enc, args))
  97         {
  98                 return false;
  99         }
 100
 101         bool bTimeout = false;
 102         bool bAborted = false;
 103
 104         QRegExp regExp("Progress:\\s*(\\d+)%");
 105
 106         while(process.state() != QProcess::NotRunning)
 107         {
 108                 if(*abortFlag)
 109                 {
 110                         process.kill();
 111                         bAborted = true;
 112                         emit messageLogged("\nABORTED BY USER !!!");
 113                         break;
 114                 }
 115                 process.waitForReadyRead(m_processTimeoutInterval);
 116                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
 117                 {
 118                         process.kill();
 119                         qWarning("FhgAacEnc process timed out <-- killing!");
 120                         emit messageLogged("\nPROCESS TIMEOUT !!!");
 121                         bTimeout = true;
 122                         break;
 123                 }
 124                 while(process.bytesAvailable() > 0)
 125                 {
 126                         QByteArray line = process.readLine();
 127                         QString text = QString::fromUtf8(line.constData()).simplified();
 128                         if(regExp.lastIndexIn(text) >= 0)
 129                         {
 130                                 bool ok = false;
 131                                 int progress = regExp.cap(1).toInt(&ok);
 132                                 if(ok) emit statusUpdated(progress);
 133                         }
 134                         else if(!text.isEmpty())
 135                         {
 136                                 emit messageLogged(text);
 137                         }
 138                 }
 139         }
 140
 141         process.waitForFinished();
 142         if(process.state() != QProcess::NotRunning)
 143         {
 144                 process.kill();
 145                 process.waitForFinished(-1);
 146         }
 147
 148         emit statusUpdated(100);
 149         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 150
 151         if(bTimeout || bAborted || process.exitStatus() != QProcess::NormalExit)
 152         {
 153                 return false;
 154         }
 155
 156         return true;
 157 }
 158
 159 QString FHGAACEncoder::extension(void)
 160 {
 161         return "mp4";
 162 }
 163
 164 bool FHGAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 165 {
 166         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 167         {
 168                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
 169                 {
 170                         return true;
 171                 }
 172         }
 173
 174         return false;
 175 }
 176
 177
 178 void FHGAACEncoder::setProfile(int profile)
 179 {
 180         m_configProfile = profile;
 181 }