src/Encoder_AAC_FHG.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2019 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         virtual bool isResamplingSupported(void) const
 122         {
 123                 return false;
 124         }
 125 }
 126 static const g_fhgAacEncoderInfo;
 127
 128 ///////////////////////////////////////////////////////////////////////////////
 129 // Encoder implementation
 130 ///////////////////////////////////////////////////////////////////////////////
 131
 132 FHGAACEncoder::FHGAACEncoder(void)
 133 :
 134         m_binary_enc(lamexp_tools_lookup(L1S("fhgaacenc.exe"))),
 135         m_binary_dll(lamexp_tools_lookup(L1S("enc_fhgaac.dll")))
 136 {
 137         if(m_binary_enc.isEmpty() || m_binary_dll.isEmpty())
 138         {
 139                 MUTILS_THROW("Error initializing FhgAacEnc. Tool 'fhgaacenc.exe' is not registred!");
 140         }
 141
 142         m_configProfile = 0;
 143 }
 144
 145 FHGAACEncoder::~FHGAACEncoder(void)
 146 {
 147 }
 148
 149 bool FHGAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const unsigned int channels, const QString &outputFile, QAtomicInt &abortFlag)
 150 {
 151         QProcess process;
 152         QStringList args;
 153
 154         int maxBitrate = 576;
 155
 156         if(m_configRCMode == SettingsModel::CBRMode)
 157         {
 158                 switch(m_configProfile)
 159                 {
 160                 case 1:
 161                         args << L1S("--profile") << L1S("lc"); //Forces use of LC AAC profile
 162                         break;
 163                 case 2:
 164                         maxBitrate = 128;
 165                         args << L1S("--profile") << L1S("he"); //Forces use of HE AAC profile
 166                         break;
 167                 case 3:
 168                         maxBitrate = 56;
 169                         args << L1S("--profile") << L1S("hev2"); //Forces use of HEv2 AAC profile
 170                         break;
 171                 }
 172         }
 173
 174         switch(m_configRCMode)
 175         {
 176         case SettingsModel::CBRMode:
 177                 args << L1S("--cbr") << QString::number(qBound(8, index2bitrate(m_configBitrate), maxBitrate));
 178                 break;
 179         case SettingsModel::VBRMode:
 180                 args << L1S("--vbr") << QString::number(qBound(1, m_configBitrate + 1, 6));
 181                 break;
 182         default:
 183                 MUTILS_THROW("Bad rate-control mode!");
 184                 break;
 185         }
 186
 187         //args << "--dll" << m_binary_dll;
 188
 189         if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
 190
 191         args << QDir::toNativeSeparators(sourceFile);
 192         args << QDir::toNativeSeparators(outputFile);
 193
 194         if(!startProcess(process, m_binary_enc, args))
 195         {
 196                 return false;
 197         }
 198
 199         int prevProgress = -1;
 200         QRegExp regExp(L1S("Progress:\\s*(\\d+)%"));
 201
 202         const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, &regExp](const QString &text)
 203         {
 204                 if (regExp.lastIndexIn(text) >= 0)
 205                 {
 206                         qint32 newProgress;
 207                         if (MUtils::regexp_parse_int32(regExp, newProgress))
 208                         {
 209                                 if (newProgress > prevProgress)
 210                                 {
 211                                         emit statusUpdated(newProgress);
 212                                         prevProgress = NEXT_PROGRESS(newProgress);
 213                                 }
 214                         }
 215                         return true;
 216                 }
 217                 return false;
 218         });
 219
 220         return (result == RESULT_SUCCESS);
 221 }
 222
 223 bool FHGAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 224 {
 225         if(containerType.compare(L1S("Wave"), Qt::CaseInsensitive) == 0)
 226         {
 227                 if(formatType.compare(L1S("PCM"), Qt::CaseInsensitive) == 0)
 228                 {
 229                         return true;
 230                 }
 231         }
 232
 233         return false;
 234 }
 235
 236 const unsigned int *FHGAACEncoder::supportedChannelCount(void)
 237 {
 238         static const unsigned int supportedChannels[] = {1, 2, 4, 5, 6, NULL};
 239         return supportedChannels;
 240 }
 241
 242 const unsigned int *FHGAACEncoder::supportedSamplerates(void)
 243 {
 244         static const unsigned int supportedRates[] = {192000, 96000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 6000, NULL};
 245         return supportedRates;
 246 }
 247
 248 const unsigned int *FHGAACEncoder::supportedBitdepths(void)
 249 {
 250         static const unsigned int supportedBPS[] = {16, 24, NULL};
 251         return supportedBPS;
 252 }
 253
 254 void FHGAACEncoder::setProfile(int profile)
 255 {
 256         m_configProfile = profile;
 257 }
 258
 259 const AbstractEncoderInfo *FHGAACEncoder::getEncoderInfo(void)
 260 {
 261         return &g_fhgAacEncoderInfo;
 262 }