src/Encoder_MAC.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2022 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; always including the non-optional
   9 // LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "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_MAC.h"
  24
  25 #include "Global.h"
  26 #include "Model_Settings.h"
  27
  28 #include <QProcess>
  29 #include <QDir>
  30
  31 #define APPEND_TAG(NAME, VALUE) do \
  32 { \
  33         if (!buffer.isEmpty()) buffer += L1C('|'); \
  34         buffer += QString("%1=%2").arg((NAME), (VALUE)); \
  35 } \
  36 while(0)
  37
  38 ///////////////////////////////////////////////////////////////////////////////
  39 // Encoder Info
  40 ///////////////////////////////////////////////////////////////////////////////
  41
  42 class MACEncoderInfo : public AbstractEncoderInfo
  43 {
  44         virtual bool isModeSupported(int mode) const
  45         {
  46                 switch(mode)
  47                 {
  48                 case SettingsModel::VBRMode:
  49                         return true;
  50                         break;
  51                 case SettingsModel::ABRMode:
  52                 case SettingsModel::CBRMode:
  53                         return false;
  54                         break;
  55                 default:
  56                         MUTILS_THROW("Bad RC mode specified!");
  57                 }
  58         }
  59
  60         virtual int valueCount(int mode) const
  61         {
  62                 switch(mode)
  63                 {
  64                 case SettingsModel::VBRMode:
  65                         return 5;
  66                         break;
  67                 case SettingsModel::ABRMode:
  68                 case SettingsModel::CBRMode:
  69                         return -1;
  70                         break;
  71                 default:
  72                         MUTILS_THROW("Bad RC mode specified!");
  73                 }
  74         }
  75
  76         virtual int valueAt(int mode, int index) const
  77         {
  78                 switch(mode)
  79                 {
  80                 case SettingsModel::VBRMode:
  81                         return qBound(0, index + 1, 8);
  82                         break;
  83                 case SettingsModel::ABRMode:
  84                 case SettingsModel::CBRMode:
  85                         return -1;
  86                         break;
  87                 default:
  88                         MUTILS_THROW("Bad RC mode specified!");
  89                 }
  90         }
  91
  92         virtual int valueType(int mode) const
  93         {
  94                 switch(mode)
  95                 {
  96                 case SettingsModel::VBRMode:
  97                         return TYPE_COMPRESSION_LEVEL;
  98                         break;
  99                 case SettingsModel::ABRMode:
 100                 case SettingsModel::CBRMode:
 101                         return -1;
 102                         break;
 103                 default:
 104                         MUTILS_THROW("Bad RC mode specified!");
 105                 }
 106         }
 107
 108         virtual const char *description(void) const
 109         {
 110                 static const char* s_description = "Monkey's Audio (MAC)";
 111                 return s_description;
 112         }
 113
 114         virtual const char *extension(void) const
 115         {
 116                 static const char* s_extension = "ape";
 117                 return s_extension;
 118         }
 119
 120         virtual bool isResamplingSupported(void) const
 121         {
 122                 return false;
 123         }
 124 }
 125 static const g_macEncoderInfo;
 126
 127 ///////////////////////////////////////////////////////////////////////////////
 128 // Encoder implementation
 129 ///////////////////////////////////////////////////////////////////////////////
 130
 131 MACEncoder::MACEncoder(void)
 132 :
 133         m_binary(lamexp_tools_lookup(L1S("mac.exe")))
 134 {
 135         if (m_binary.isEmpty())
 136         {
 137                 MUTILS_THROW("Error initializing MAC encoder. Tool 'mac.exe' is not registred!");
 138         }
 139 }
 140
 141 MACEncoder::~MACEncoder(void)
 142 {
 143 }
 144
 145 bool MACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int /*duration*/, const unsigned int /*channels*/, const QString &outputFile, QAtomicInt &abortFlag)
 146 {
 147         QProcess process;
 148         QStringList args;
 149
 150         const QString baseName = QFileInfo(outputFile).fileName();
 151
 152         args << QDir::toNativeSeparators(sourceFile);
 153         args << QDir::toNativeSeparators(outputFile);
 154
 155         switch(m_configRCMode)
 156         {
 157         case SettingsModel::VBRMode:
 158                 args << QString().sprintf("-c%d", (m_configBitrate + 1) * 1000);
 159                 break;
 160         default:
 161                 MUTILS_THROW("Bad rate-control mode!");
 162                 break;
 163         }
 164
 165         if (!metaInfo.empty(true))
 166         {
 167                 const QString apeTagsData = createApeTags(metaInfo);
 168                 if (!apeTagsData.isEmpty())
 169                 {
 170                         args << "-t" << apeTagsData;
 171                 }
 172         }
 173
 174         if(!startProcess(process, m_binary, args))
 175         {
 176                 return false;
 177         }
 178
 179         int prevProgress = -1;
 180         QRegExp regExp(L1S("Progress: (\\d+).(\\d+)%"));
 181
 182         const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, &regExp](const QString &text)
 183         {
 184                 if (regExp.lastIndexIn(text) >= 0)
 185                 {
 186                         qint32 newProgress;
 187                         if (MUtils::regexp_parse_int32(regExp, newProgress))
 188                         {
 189                                 if (newProgress > prevProgress)
 190                                 {
 191                                         emit statusUpdated(newProgress);
 192                                         prevProgress = NEXT_PROGRESS(newProgress);
 193                                 }
 194                         }
 195                         return true;
 196                 }
 197                 return false;
 198         });
 199
 200         return (result == RESULT_SUCCESS);
 201 }
 202
 203 bool MACEncoder::isFormatSupported(const QString &containerType, const QString& /*containerProfile*/, const QString &formatType, const QString& /*formatProfile*/, const QString& /*formatVersion*/)
 204 {
 205         if(containerType.compare(L1S("Wave"), Qt::CaseInsensitive) == 0)
 206         {
 207                 if(formatType.compare(L1S("PCM"), Qt::CaseInsensitive) == 0)
 208                 {
 209                         return true;
 210                 }
 211         }
 212
 213         return false;
 214 }
 215
 216 const AbstractEncoderInfo *MACEncoder::getEncoderInfo(void)
 217 {
 218         return &g_macEncoderInfo;
 219 }
 220
 221 QString MACEncoder::createApeTags(const AudioFileModel_MetaInfo &metaInfo)
 222 {
 223         QString buffer;
 224
 225         if (!metaInfo.title().isEmpty())   APPEND_TAG(L1S("Title"),   cleanTag(metaInfo.title()));
 226         if (!metaInfo.artist().isEmpty())  APPEND_TAG(L1S("Artist"),  cleanTag(metaInfo.artist()));
 227         if (!metaInfo.album().isEmpty())   APPEND_TAG(L1S("Album"),   cleanTag(metaInfo.album()));
 228         if (!metaInfo.genre().isEmpty())   APPEND_TAG(L1S("Genre"),   cleanTag(metaInfo.genre()));
 229         if (!metaInfo.comment().isEmpty()) APPEND_TAG(L1S("Comment"), cleanTag(metaInfo.comment()));
 230         if (metaInfo.year())               APPEND_TAG(L1S("Year"),    QString::number(metaInfo.year()));
 231         if (metaInfo.position())           APPEND_TAG(L1S("Track"),   QString::number(metaInfo.position()));
 232
 233         return buffer;
 234 }