src/tool_abstract.cpp

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // Simple x264 Launcher
   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.
   9 //
  10 // This program is distributed in the hope that it will be useful,
  11 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 // GNU General Public License for more details.
  14 //
  15 // You should have received a copy of the GNU General Public License along
  16 // with this program; if not, write to the Free Software Foundation, Inc.,
  17 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18 //
  19 // http://www.gnu.org/licenses/gpl-2.0.txt
  20 ///////////////////////////////////////////////////////////////////////////////
  21
  22 #include "tool_abstract.h"
  23
  24 #include "global.h"
  25 #include "model_options.h"
  26 #include "model_preferences.h"
  27 #include "model_sysinfo.h"
  28 #include "binaries.h"
  29 #include "job_object.h"
  30
  31 #include <QProcess>
  32 #include <QMutexLocker>
  33 #include <QDir>
  34
  35 QMutex AbstractTool::s_mutexStartProcess;
  36
  37 AbstractTool::AbstractTool(volatile bool *abort, const OptionsModel *options, const SysinfoModel *const sysinfo, const PreferencesModel *const preferences, JobObject *jobObject)
  38 :
  39         m_abort(abort),
  40         m_options(options),
  41         m_sysinfo(sysinfo),
  42         m_preferences(preferences),
  43         m_jobObject(jobObject)
  44 {
  45         /*nothing to do here*/
  46 }
  47
  48 bool AbstractTool::startProcess(QProcess &process, const QString &program, const QStringList &args, bool mergeChannels)
  49 {
  50         QMutexLocker lock(&s_mutexStartProcess);
  51         log(commandline2string(program, args) + "\n");
  52
  53         process.setWorkingDirectory(QDir::tempPath());
  54
  55         if(mergeChannels)
  56         {
  57                 process.setProcessChannelMode(QProcess::MergedChannels);
  58                 process.setReadChannel(QProcess::StandardOutput);
  59         }
  60         else
  61         {
  62                 process.setProcessChannelMode(QProcess::SeparateChannels);
  63                 process.setReadChannel(QProcess::StandardError);
  64         }
  65
  66         process.start(program, args);
  67
  68         if(process.waitForStarted())
  69         {
  70                 m_jobObject->addProcessToJob(&process);
  71                 x264_change_process_priority(&process, m_preferences->getProcessPriority());
  72                 lock.unlock();
  73                 return true;
  74         }
  75
  76         log("Process creation has failed :-(");
  77         QString errorMsg= process.errorString().trimmed();
  78         if(!errorMsg.isEmpty()) log(errorMsg);
  79
  80         process.kill();
  81         process.waitForFinished(-1);
  82         return false;
  83 }
  84
  85 QString AbstractTool::commandline2string(const QString &program, const QStringList &arguments)
  86 {
  87         QString commandline = (program.contains(' ') ? QString("\"%1\"").arg(program) : program);
  88
  89         for(int i = 0; i < arguments.count(); i++)
  90         {
  91                 commandline += (arguments.at(i).contains(' ') ? QString(" \"%1\"").arg(arguments.at(i)) : QString(" %1").arg(arguments.at(i)));
  92         }
  93
  94         return commandline;
  95 }