src/Decoder_WMA.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2017 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 "Decoder_WMA.h"
  24
  25 //Internal
  26 #include "Global.h"
  27
  28 //MUtils
  29 #include <MUtils/Exception.h>
  30
  31 //Qt
  32 #include <QDir>
  33 #include <QProcess>
  34 #include <QRegExp>
  35 #include <QSystemSemaphore>
  36 #include <QUuid>
  37
  38 WMADecoder::WMADecoder(void)
  39 :
  40         m_binary(lamexp_tools_lookup("wma2wav.exe"))
  41 {
  42         if(m_binary.isEmpty())
  43         {
  44                 MUTILS_THROW("Error initializing WMA decoder. Tool 'wma2wav.exe' is not registred!");
  45         }
  46 }
  47
  48 WMADecoder::~WMADecoder(void)
  49 {
  50 }
  51
  52 bool WMADecoder::decode(const QString &sourceFile, const QString &outputFile, QAtomicInt &abortFlag)
  53 {
  54         QProcess process;
  55         QStringList args;
  56
  57         args << "-i" << QDir::toNativeSeparators(sourceFile);
  58         args << "-o" << QDir::toNativeSeparators(outputFile) << "-f";
  59
  60         if(!startProcess(process, m_binary, args))
  61         {
  62                 return false;
  63         }
  64
  65         int prevProgress = -1;
  66         QRegExp regExp("\\[(\\d+)\\.(\\d+)%\\]");
  67
  68         const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, &regExp](const QString &text)
  69         {
  70                 if (regExp.lastIndexIn(text) >= 0)
  71                 {
  72                         qint32 newProgress;
  73                         if (MUtils::regexp_parse_int32(regExp, newProgress, 2U))
  74                         {
  75                                 if (newProgress > prevProgress)
  76                                 {
  77                                         emit statusUpdated(newProgress);
  78                                         prevProgress = qMin(newProgress + 2, 99);
  79                                 }
  80                         }
  81                         return true;
  82                 }
  83                 return false;
  84         });
  85
  86         return (result == RESULT_SUCCESS);
  87 }
  88
  89 bool WMADecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
  90 {
  91         if(containerType.compare("Windows Media", Qt::CaseInsensitive) == 0)
  92         {
  93                 if(formatType.compare("WMA", Qt::CaseInsensitive) == 0)
  94                 {
  95                         if(formatVersion.compare("Version 1", Qt::CaseInsensitive) == 0 || formatVersion.compare("Version 2", Qt::CaseInsensitive) == 0 || formatVersion.compare("Version 3", Qt::CaseInsensitive) == 0 || formatProfile.compare("Pro", Qt::CaseInsensitive) == 0 || formatProfile.compare("Lossless", Qt::CaseInsensitive) == 0)
  96                         {
  97                                 return true;
  98                         }
  99                 }
 100         }
 101
 102         return false;
 103 }
 104
 105 const AbstractDecoder::supportedType_t *WMADecoder::supportedTypes(void)
 106 {
 107         static const char *exts[] =
 108         {
 109                 "wma", "asf", NULL
 110         };
 111
 112         static const supportedType_t s_supportedTypes[] =
 113         {
 114                 { "Windows Media Audio", exts },
 115                 { NULL, NULL }
 116         };
 117
 118         return s_supportedTypes;
 119 }