src/Decoder_ADPCM.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2018 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_ADPCM.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
  36 ADPCMDecoder::ADPCMDecoder(void)
  37 :
  38         m_binary(lamexp_tools_lookup("sox.exe"))
  39 {
  40         if(m_binary.isEmpty())
  41         {
  42                 MUTILS_THROW("Error initializing Vorbis decoder. Tool 'sox.exe' is not registred!");
  43         }
  44 }
  45
  46 ADPCMDecoder::~ADPCMDecoder(void)
  47 {
  48 }
  49
  50 bool ADPCMDecoder::decode(const QString &sourceFile, const QString &outputFile, QAtomicInt &abortFlag)
  51 {
  52         QProcess process;
  53         QStringList args;
  54
  55         args << "-V3" << "-S" << "--temp" << ".";
  56         args << QDir::toNativeSeparators(sourceFile);
  57         args << "-e" << "signed-integer";
  58         args << QDir::toNativeSeparators(outputFile);
  59
  60         if(!startProcess(process, m_binary, args, QFileInfo(outputFile).canonicalPath()))
  61         {
  62                 return false;
  63         }
  64
  65         int prevProgress = -1;
  66         QRegExp regExp("In:(\\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))
  74                         {
  75                                 if (newProgress > prevProgress)
  76                                 {
  77                                         emit statusUpdated(newProgress);
  78                                         prevProgress = NEXT_PROGRESS(newProgress);
  79                                 }
  80                         }
  81                         return true;
  82                 }
  83                 return false;
  84         });
  85
  86         return (result == RESULT_SUCCESS);
  87 }
  88
  89 bool ADPCMDecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
  90 {
  91         if(containerType.compare(QLatin1String("Wave"), Qt::CaseInsensitive) == 0)
  92         {
  93                 if(formatType.compare(QLatin1String("ADPCM"), Qt::CaseInsensitive) == 0)
  94                 {
  95                         return true;
  96                 }
  97         }
  98
  99         if((containerType.compare(QLatin1String("AIFF"), Qt::CaseInsensitive) == 0) ||( containerType.compare(QLatin1String("AU"), Qt::CaseInsensitive) == 0))
 100         {
 101                 if((formatType.compare(QLatin1String("PCM"), Qt::CaseInsensitive) == 0) || (formatType.compare(QLatin1String("ADPCM"), Qt::CaseInsensitive) == 0))
 102                 {
 103                         return true;
 104                 }
 105         }
 106
 107         return false;
 108 }
 109
 110 const AbstractDecoder::supportedType_t *ADPCMDecoder::supportedTypes(void)
 111 {
 112         static const char *exts[][3] =
 113         {
 114                 { "wav",         NULL },
 115                 { "aif", "aiff", NULL },
 116                 { "au" , "snd",  NULL }
 117         };
 118
 119         static const supportedType_t s_supportedTypes[] =
 120         {
 121                 { "Microsoft ADPCM", exts[0] },
 122                 { "Apple/SGI AIFF",  exts[1] },
 123                 { "Sun/NeXT Au",     exts[2] },
 124                 { NULL, NULL }
 125         };
 126
 127         return s_supportedTypes;
 128 }