src/Decoder_Speex.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2020 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 #include "Decoder_Speex.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 SpeexDecoder::SpeexDecoder(void)
  37 :
  38         m_binary(lamexp_tools_lookup("speexdec.exe"))
  39 {
  40         if(m_binary.isEmpty())
  41         {
  42                 MUTILS_THROW("Error initializing Speex decoder. Tool 'speexdec.exe' is not registred!");
  43         }
  44 }
  45
  46 SpeexDecoder::~SpeexDecoder(void)
  47 {
  48 }
  49
  50 bool SpeexDecoder::decode(const QString &sourceFile, const QString &outputFile, QAtomicInt &abortFlag)
  51 {
  52         QProcess process;
  53         QStringList args;
  54
  55         args << "-V";
  56         args << QDir::toNativeSeparators(sourceFile);
  57         args << QDir::toNativeSeparators(outputFile);
  58
  59         if(!startProcess(process, m_binary, args))
  60         {
  61                 return false;
  62         }
  63
  64         QRegExp regExp("Working\\.\\.\\. (.)");
  65
  66         const result_t result = awaitProcess(process, abortFlag, [this, &regExp](const QString &text)
  67         {
  68                 if (regExp.lastIndexIn(text) >= 0)
  69                 {
  70                         return true;
  71                 }
  72                 return false;
  73         });
  74
  75         return (result == RESULT_SUCCESS);
  76 }
  77
  78 bool SpeexDecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
  79 {
  80         static const QLatin1String speex("Speex");
  81         if(containerType.compare(speex, Qt::CaseInsensitive) == 0 || containerType.compare(QLatin1String("OGG"), Qt::CaseInsensitive) == 0)
  82         {
  83                 if(formatType.compare(speex, Qt::CaseInsensitive) == 0)
  84                 {
  85                         return true;
  86                 }
  87         }
  88
  89         return false;
  90 }
  91
  92 const AbstractDecoder::supportedType_t *SpeexDecoder::supportedTypes(void)
  93 {
  94         static const char *exts[] =
  95         {
  96                 "spx", "ogg", NULL
  97         };
  98
  99         static const supportedType_t s_supportedTypes[] =
 100         {
 101                 { "Speex", exts },
 102                 { NULL, NULL }
 103         };
 104
 105         return s_supportedTypes;
 106 }