src/Encoder_Wave.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_Wave.h"
  24
  25 #include <MUtils/Global.h>
  26 #include <MUtils/OSSupport.h>
  27
  28 #include "Global.h"
  29 #include "Model_Settings.h"
  30
  31 typedef struct _callback_t
  32 {
  33         WaveEncoder *const pInstance;
  34         QAtomicInt  *const abortFlag;
  35 }
  36 callback_t;
  37
  38 ///////////////////////////////////////////////////////////////////////////////
  39 // Encoder Info
  40 ///////////////////////////////////////////////////////////////////////////////
  41
  42 class WaveEncoderInfo : public AbstractEncoderInfo
  43 {
  44 public:
  45         virtual bool isModeSupported(int mode) const
  46         {
  47                 switch(mode)
  48                 {
  49                 case SettingsModel::VBRMode:
  50                 case SettingsModel::ABRMode:
  51                         return false;
  52                         break;
  53                 case SettingsModel::CBRMode:
  54                         return true;
  55                         break;
  56                 default:
  57                         MUTILS_THROW("Bad RC mode specified!");
  58                 }
  59         }
  60
  61         virtual int valueCount(int mode) const
  62         {
  63                 switch(mode)
  64                 {
  65                 case SettingsModel::VBRMode:
  66                 case SettingsModel::ABRMode:
  67                 case SettingsModel::CBRMode:
  68                         return 0;
  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                 case SettingsModel::ABRMode:
  81                 case SettingsModel::CBRMode:
  82                         return -1;
  83                         break;
  84                 default:
  85                         MUTILS_THROW("Bad RC mode specified!");
  86                 }
  87         }
  88
  89         virtual int valueType(int mode) const
  90         {
  91                 switch(mode)
  92                 {
  93                 case SettingsModel::VBRMode:
  94                 case SettingsModel::ABRMode:
  95                 case SettingsModel::CBRMode:
  96                         return TYPE_UNCOMPRESSED;
  97                         break;
  98                 default:
  99                         MUTILS_THROW("Bad RC mode specified!");
 100                 }
 101         }
 102
 103         virtual const char *description(void) const
 104         {
 105                 static const char* s_description = "Wave Audio (PCM)";
 106                 return s_description;
 107         }
 108
 109         virtual const char *extension(void) const
 110         {
 111                 static const char* s_extension = "wav";
 112                 return s_extension;
 113         }
 114
 115         virtual bool isResamplingSupported(void) const
 116         {
 117                 return false;
 118         }
 119 }
 120 static const g_waveEncoderInfo;
 121
 122 ///////////////////////////////////////////////////////////////////////////////
 123 // Encoder implementation
 124 ///////////////////////////////////////////////////////////////////////////////
 125
 126
 127 WaveEncoder::WaveEncoder(void)
 128 {
 129 }
 130
 131 WaveEncoder::~WaveEncoder(void)
 132 {
 133 }
 134
 135 bool WaveEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const unsigned int channels, const QString &outputFile, QAtomicInt &abortFlag)
 136 {
 137         emit messageLogged(QString("Copy file \"%1\" to \"%2\"\n").arg(sourceFile, outputFile));
 138
 139         callback_t callbackData = { this, &abortFlag };
 140
 141         emit statusUpdated(0);
 142         const bool success = MUtils::OS::copy_file(sourceFile, outputFile, true, progressCallback, &callbackData);
 143         emit statusUpdated(100);
 144
 145         if (success)
 146         {
 147                 emit messageLogged(L1S("File copied successfully."));
 148         }
 149         else
 150         {
 151                 emit messageLogged(CHECK_FLAG(abortFlag) ? L1S("Operation cancelled by user!")  : L1S("Error: Failed to copy file!"));
 152         }
 153
 154         return success;
 155 }
 156
 157 bool WaveEncoder::progressCallback(const double &progress, void *const userData)
 158 {
 159         if (const callback_t *const ptr = reinterpret_cast<callback_t*>(userData))
 160         {
 161                 ptr->pInstance->updateProgress(progress);
 162                 return ptr->abortFlag->operator!();
 163         }
 164         return true;
 165 }
 166
 167 void WaveEncoder::updateProgress(const double &progress)
 168 {
 169         emit statusUpdated(qRound(progress * 100.0));
 170 }
 171
 172 bool WaveEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 173 {
 174         if(containerType.compare(L1S("Wave"), Qt::CaseInsensitive) == 0)
 175         {
 176                 if(formatType.compare(L1S("PCM"), Qt::CaseInsensitive) == 0)
 177                 {
 178                         return true;
 179                 }
 180         }
 181         return false;
 182 }
 183
 184 const AbstractEncoderInfo *WaveEncoder::getEncoderInfo(void)
 185 {
 186         return &g_waveEncoderInfo;
 187 }