src/Decoder_Wave.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2023 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 //Internal
  24 #include "Decoder_Wave.h"
  25 #include "Global.h"
  26
  27 //MUtils
  28 #include <MUtils/OSSupport.h>
  29
  30 //Qt
  31 #include <QDir>
  32
  33 //Type
  34 typedef struct _callback_t
  35 {
  36         WaveDecoder *const pInstance;
  37         QAtomicInt  *const abortFlag;
  38 }
  39 callback_t;
  40
  41 WaveDecoder::WaveDecoder(void)
  42 {
  43 }
  44
  45 WaveDecoder::~WaveDecoder(void)
  46 {
  47 }
  48
  49 bool WaveDecoder::decode(const QString &sourceFile, const QString &outputFile, QAtomicInt &abortFlag)
  50 {
  51         emit messageLogged(QString("Copy file \"%1\" to \"%2\"").arg(QDir::toNativeSeparators(sourceFile), QDir::toNativeSeparators(outputFile)));
  52         emit statusUpdated(0);
  53
  54         callback_t progressData = { this, &abortFlag };
  55         const bool okay = MUtils::OS::copy_file(sourceFile, outputFile, true, progressHandler, &progressData);
  56
  57         emit statusUpdated(100);
  58
  59         if(okay)
  60         {
  61                 emit messageLogged("File copied successfully.");
  62         }
  63         else
  64         {
  65                 emit messageLogged("Failed to copy file!");
  66         }
  67
  68         return okay;
  69 }
  70
  71 bool WaveDecoder::progressHandler(const double &progress, void *const userData)
  72 {
  73         if(const callback_t *const ptr = reinterpret_cast<callback_t*>(userData))
  74         {
  75                 ptr->pInstance->updateProgress(progress);
  76                 return ptr->abortFlag->operator!();
  77         }
  78         return true;
  79 }
  80
  81 void WaveDecoder::updateProgress(const double &progress)
  82 {
  83         emit statusUpdated(qBound(0, qRound(progress * 100.0), 100));
  84 }
  85
  86 bool WaveDecoder::isFormatSupported(const QString &containerType, const QString& /*containerProfile*/, const QString &formatType, const QString& /*formatProfile*/, const QString& /*formatVersion*/)
  87 {
  88         if(containerType.compare(QLatin1String("Wave"), Qt::CaseInsensitive) == 0)
  89         {
  90                 if(formatType.compare(QLatin1String("PCM"), Qt::CaseInsensitive) == 0)
  91                 {
  92                         return true;
  93                 }
  94         }
  95
  96         return false;
  97 }
  98
  99 const AbstractDecoder::supportedType_t *WaveDecoder::supportedTypes(void)
 100 {
 101         static const char *exts[] =
 102         {
 103                 "wav", NULL
 104         };
 105
 106         static const supportedType_t s_supportedTypes[] =
 107         {
 108                 { "Waveform Audio File", exts },
 109                 { NULL, NULL }
 110         };
 111
 112         return s_supportedTypes;
 113 }