src/Decoder_ADPCM.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2015 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, volatile bool *abortFlag)
  51 {
  52         QProcess process;
  53         QStringList args;
  54
  55         process.setWorkingDirectory(QFileInfo(outputFile).canonicalPath());
  56
  57         args << "-V3" << "-S" << "--temp" << ".";
  58         args << QDir::toNativeSeparators(sourceFile);
  59         args << "-e" << "signed-integer";
  60         args << QDir::toNativeSeparators(outputFile);
  61
  62         if(!startProcess(process, m_binary, args))
  63         {
  64                 return false;
  65         }
  66
  67         bool bTimeout = false;
  68         bool bAborted = false;
  69
  70         QRegExp regExp("In:(\\d+)(\\.\\d+)*%");
  71
  72         while(process.state() != QProcess::NotRunning)
  73         {
  74                 if(*abortFlag)
  75                 {
  76                         process.kill();
  77                         bAborted = true;
  78                         emit messageLogged("\nABORTED BY USER !!!");
  79                         break;
  80                 }
  81                 process.waitForReadyRead(m_processTimeoutInterval);
  82                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
  83                 {
  84                         process.kill();
  85                         qWarning("Sox process timed out <-- killing!");
  86                         emit messageLogged("\nPROCESS TIMEOUT !!!");
  87                         bTimeout = true;
  88                         break;
  89                 }
  90                 while(process.bytesAvailable() > 0)
  91                 {
  92                         QByteArray line = process.readLine();
  93                         QString text = QString::fromUtf8(line.constData()).simplified();
  94                         if(regExp.lastIndexIn(text) >= 0)
  95                         {
  96                                 bool ok = false;
  97                                 int progress = regExp.cap(1).toInt(&ok);
  98                                 if(ok) emit statusUpdated(progress);
  99                         }
 100                         else if(!text.isEmpty())
 101                         {
 102                                 emit messageLogged(text);
 103                         }
 104                 }
 105         }
 106
 107         process.waitForFinished();
 108         if(process.state() != QProcess::NotRunning)
 109         {
 110                 process.kill();
 111                 process.waitForFinished(-1);
 112         }
 113
 114         emit statusUpdated(100);
 115         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 116
 117         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS || QFileInfo(outputFile).size() == 0)
 118         {
 119                 return false;
 120         }
 121
 122         return true;
 123 }
 124
 125 bool ADPCMDecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 126 {
 127         if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
 128         {
 129                 if(formatType.compare("ADPCM", Qt::CaseInsensitive) == 0)
 130                 {
 131                         return true;
 132                 }
 133         }
 134
 135         if(containerType.compare("AIFF", Qt::CaseInsensitive) == 0 || containerType.compare("AU", Qt::CaseInsensitive) == 0)
 136         {
 137                 if(formatType.compare("PCM", Qt::CaseInsensitive) == 0 || formatType.compare("ADPCM", Qt::CaseInsensitive) == 0)
 138                 {
 139                         return true;
 140                 }
 141         }
 142
 143         return false;
 144 }
 145
 146 const AbstractDecoder::supportedType_t *ADPCMDecoder::supportedTypes(void)
 147 {
 148         static const char *exts[][3] =
 149         {
 150                 { "wav",         NULL },
 151                 { "aif", "aiff", NULL },
 152                 { "au" , "snd",  NULL }
 153         };
 154
 155         static const supportedType_t s_supportedTypes[] =
 156         {
 157                 { "Microsoft ADPCM", exts[0] },
 158                 { "Apple/SGI AIFF",  exts[1] },
 159                 { "Sun/NeXT Au",     exts[2] },
 160                 { NULL, NULL }
 161         };
 162
 163         return s_supportedTypes;
 164 }