src/Decoder_Avisynth.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2014 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_Avisynth.h"
  24
  25 #include "Global.h"
  26
  27 #include <QDir>
  28 #include <QProcess>
  29 #include <QRegExp>
  30
  31 AvisynthDecoder::AvisynthDecoder(void)
  32 :
  33         m_binary(lamexp_lookup_tool("avs2wav.exe"))
  34 {
  35         if(m_binary.isEmpty())
  36         {
  37                 THROW("Error initializing Avisynth decoder. Tool 'avs2wav.exe' is not registred!");
  38         }
  39 }
  40
  41 AvisynthDecoder::~AvisynthDecoder(void)
  42 {
  43 }
  44
  45 bool AvisynthDecoder::decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag)
  46 {
  47         QProcess process;
  48         QStringList args;
  49
  50         process.setWorkingDirectory(QFileInfo(outputFile).absolutePath());
  51
  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         QRegExp regExp("(\\d+)/(\\d+) \\[(\\d+)%\\]");
  64
  65         while(process.state() != QProcess::NotRunning)
  66         {
  67                 if(*abortFlag)
  68                 {
  69                         process.kill();
  70                         bAborted = true;
  71                         emit messageLogged("\nABORTED BY USER !!!");
  72                         break;
  73                 }
  74                 process.waitForReadyRead(m_processTimeoutInterval);
  75                 if(!process.bytesAvailable() && process.state() == QProcess::Running)
  76                 {
  77                         process.kill();
  78                         qWarning("AVS2WAV process timed out <-- killing!");
  79                         emit messageLogged("\nPROCESS TIMEOUT !!!");
  80                         bTimeout = true;
  81                         break;
  82                 }
  83                 while(process.bytesAvailable() > 0)
  84                 {
  85                         QByteArray line = process.readLine();
  86                         QString text = QString::fromUtf8(line.constData()).simplified();
  87                         if(regExp.lastIndexIn(text) >= 0)
  88                         {
  89                                 bool ok = false;
  90                                 int progress = regExp.cap(3).toInt(&ok);
  91                                 if(ok) emit statusUpdated(progress);
  92                         }
  93                         else if(!text.isEmpty())
  94                         {
  95                                 emit messageLogged(text);
  96                         }
  97                 }
  98         }
  99
 100         process.waitForFinished();
 101         if(process.state() != QProcess::NotRunning)
 102         {
 103                 process.kill();
 104                 process.waitForFinished(-1);
 105         }
 106
 107         emit statusUpdated(100);
 108         emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
 109
 110         if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS || QFileInfo(outputFile).size() == 0)
 111         {
 112                 return false;
 113         }
 114
 115         return true;
 116 }
 117
 118 bool AvisynthDecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
 119 {
 120         if(containerType.compare("Avisynth", Qt::CaseInsensitive) == 0)
 121         {
 122                 if(formatType.compare("Avisynth", Qt::CaseInsensitive) == 0)
 123                 {
 124                         return true;
 125                 }
 126         }
 127
 128         return false;
 129 }
 130
 131 QStringList AvisynthDecoder::supportedTypes(void)
 132 {
 133         return QStringList() << "Avisynth Script (*.avs)";
 134 }