src/Decoder_Wave.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2016 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 //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 _ProgressData
  35 {
  36         WaveDecoder   *const instance;
  37         volatile bool *const abrtFlag;
  38 }
  39 ProgressData;
  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, volatile bool *abortFlag)
  50 {
  51         emit messageLogged(QString("Copy file \"%1\" to \"%2\"").arg(QDir::toNativeSeparators(sourceFile), QDir::toNativeSeparators(outputFile)));
  52         emit statusUpdated(0);
  53
  54         ProgressData 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 data)
  72 {
  73         if(data)
  74         {
  75                 //qWarning("Copy progress: %.2f", progress);
  76                 reinterpret_cast<ProgressData*>(data)->instance->updateProgress(progress);
  77                 return (!(*reinterpret_cast<ProgressData*>(data)->abrtFlag));
  78         }
  79         return true;
  80 }
  81
  82 void WaveDecoder::updateProgress(const double &progress)
  83 {
  84         emit statusUpdated(qBound(0, qRound(progress * 100.0), 100));
  85 }
  86
  87 bool WaveDecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
  88 {
  89         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
  90         {
  91                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
  92                 {
  93                         return true;
  94                 }
  95         }
  96
  97         return false;
  98 }
  99
 100 const AbstractDecoder::supportedType_t *WaveDecoder::supportedTypes(void)
 101 {
 102         static const char *exts[] =
 103         {
 104                 "wav", NULL
 105         };
 106
 107         static const supportedType_t s_supportedTypes[] =
 108         {
 109                 { "Waveform Audio File", exts },
 110                 { NULL, NULL }
 111         };
 112
 113         return s_supportedTypes;
 114 }