src/Decoder_Shorten.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2013 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_Shorten.h"
  24
  25 #include "Global.h"
  26
  27 #include <QDir>
  28 #include <QProcess>
  29 #include <QRegExp>
  30 #include <QUuid>
  31
  32 ShortenDecoder::ShortenDecoder(void)
  33 :
  34         m_binary(lamexp_lookup_tool("shorten.exe"))
  35 {
  36         if(m_binary.isEmpty())
  37         {
  38                 THROW("Error initializing Shorten decoder. Tool 'shorten.exe' is not registred!");
  39         }
  40 }
  41
  42 ShortenDecoder::~ShortenDecoder(void)
  43 {
  44 }
  45
  46 bool ShortenDecoder::decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag)
  47 {
  48         QProcess process;
  49         QStringList args;
  50
  51         args << "-x";
  52         args << QDir::toNativeSeparators(sourceFile);
  53         args << QDir::toNativeSeparators(outputFile);
  54
  55         if(!startProcess(process, m_binary, args))
  56         {
  57                 return false;
  58         }
  59
  60         bool bTimeout = false;
  61         bool bAborted = false;
  62
  63         //The Shorten Decoder doesn't actually send any status updates :-[
  64         emit statusUpdated(20 + (QUuid::createUuid().data1 % 80));
  65
  66         while(process.state() != QProcess::NotRunning)
  67         {
  68                 if(*abortFlag)
  69                 {
  70                         process.kill();
  71                         bAborted = true;
  72                         emit messageLogged("\nABORTED BY USER !!!");
  73                         break;
  74                 }
  75                 process.waitForReadyRead(m_processTimeoutInterval);
  76                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
  77                 {
  78                         process.kill();
  79                         qWarning("Shorten process timed out <-- killing!");
  80                         emit messageLogged("\nPROCESS TIMEOUT !!!");
  81                         bTimeout = true;
  82                         break;
  83                 }
  84                 while(process.bytesAvailable() > 0)
  85                 {
  86                         QByteArray line = process.readLine();
  87                         QString text = QString::fromUtf8(line.constData()).simplified();
  88                         if(!text.isEmpty())
  89                         {
  90                                 emit messageLogged(text);
  91                         }
  92                 }
  93         }
  94
  95         process.waitForFinished();
  96         if(process.state() != QProcess::NotRunning)
  97         {
  98                 process.kill();
  99                 process.waitForFinished(-1);
 100         }
 101
 102         emit statusUpdated(100);
 103         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 104
 105         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS || QFileInfo(outputFile).size() == 0)
 106         {
 107                 return false;
 108         }
 109
 110         return true;
 111 }
 112
 113 bool ShortenDecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 114 {
 115         if(containerType.compare("Shorten", Qt::CaseInsensitive) == 0)
 116         {
 117                 if(formatType.compare("Shorten", Qt::CaseInsensitive) == 0)
 118                 {
 119                         return true;
 120                 }
 121         }
 122
 123         return false;
 124 }
 125
 126 QStringList ShortenDecoder::supportedTypes(void)
 127 {
 128         return QStringList() << "Shorten (*.shn)";
 129 }