1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2014 LoRd_MuldeR <MuldeR2@GMX.de>
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.
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.
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.
20 // http://www.gnu.org/licenses/gpl-2.0.txt
21 ///////////////////////////////////////////////////////////////////////////////
23 #include "Tool_Abstract.h"
27 #include "JobObject.h"
30 #include <MUtils/Global.h>
31 #include <MUtils/OSSupport.h>
36 #include <QMutexLocker>
38 #include <QProcessEnvironment>
40 #include <QElapsedTimer>
45 QScopedPointer
<JobObject
> AbstractTool::s_jobObjectInstance
;
46 QScopedPointer
<QElapsedTimer
> AbstractTool::s_startProcessTimer
;
51 QMutex
AbstractTool::s_startProcessMutex
;
52 QMutex
AbstractTool::s_createObjectMutex
;
57 quint64
AbstractTool::s_referenceCounter
= 0ui
64;
62 static const qint64 START_DELAY
= 64i64
; //in milliseconds
67 AbstractTool::AbstractTool(void)
72 QMutexLocker
lock(&s_createObjectMutex
);
74 if(s_referenceCounter
++ == 0)
76 s_jobObjectInstance
.reset(new JobObject());
77 s_startProcessTimer
.reset(new QElapsedTimer());
84 AbstractTool::~AbstractTool(void)
86 QMutexLocker
lock(&s_createObjectMutex
);
88 if(--s_referenceCounter
== 0)
90 s_jobObjectInstance
.reset(NULL
);
91 s_startProcessTimer
.reset(NULL
);
96 * Initialize and launch process object
98 bool AbstractTool::startProcess(QProcess
&process
, const QString
&program
, const QStringList
&args
)
100 QMutexLocker
lock(&s_startProcessMutex
);
102 if((!s_startProcessTimer
.isNull()) && s_startProcessTimer
->isValid())
104 qint64 elapsed
= s_startProcessTimer
->elapsed();
105 while(elapsed
< START_DELAY
)
108 MUtils::OS::sleep_ms((size_t)(START_DELAY
- elapsed
));
110 elapsed
= s_startProcessTimer
->elapsed();
114 emit
messageLogged(commandline2string(program
, args
) + "\n");
115 MUtils::init_process(process
, QFileInfo(program
).absolutePath());
117 process
.start(program
, args
);
119 if(process
.waitForStarted())
121 if(!s_jobObjectInstance
.isNull())
123 if(!s_jobObjectInstance
->addProcessToJob(&process
))
125 qWarning("Failed to assign process to job object!");
129 MUtils::OS::change_process_priority(&process
, -1);
133 emit
statusUpdated(0);
134 m_firstLaunch
= false;
137 s_startProcessTimer
->start();
141 emit
messageLogged("Process creation has failed :-(");
142 QString errorMsg
= process
.errorString().trimmed();
143 if(!errorMsg
.isEmpty()) emit
messageLogged(errorMsg
);
146 process
.waitForFinished(-1);
148 s_startProcessTimer
->start();
153 * Convert program arguments to single string
155 QString
AbstractTool::commandline2string(const QString
&program
, const QStringList
&arguments
)
157 QString commandline
= (program
.contains(' ') ? QString("\"%1\"").arg(program
) : program
);
159 for(int i
= 0; i
< arguments
.count(); i
++)
161 commandline
+= (arguments
.at(i
).contains(' ') ? QString(" \"%1\"").arg(arguments
.at(i
)) : QString(" %1").arg(arguments
.at(i
)));