Simple-x264-Launcher/src/thread_startup.cpp

102 lines
2.8 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// Simple x264 Launcher
// Copyright (C) 2004-2019 LoRd_MuldeR <MuldeR2@GMX.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// http://www.gnu.org/licenses/gpl-2.0.txt
///////////////////////////////////////////////////////////////////////////////
#include "thread_startup.h"
//MUtils
#include <MUtils/Global.h>
//Qt
#include <QDir>
#include <QElapsedTimer>
#include <QProcess>
QStringList StarupThread::runProcess(const QString &exePath, const QStringList &arguments, const QStringList *const extraPaths)
{
QProcess process;
//Get file name
const QString fileName = QFileInfo(exePath).fileName().toUpper();
//Setup process object
MUtils::init_process(process, QDir::tempPath(), true, extraPaths);
//Try to start process
process.start(exePath, arguments);
if (!process.waitForStarted())
{
qWarning("Failed to launch %s -> %s", MUTILS_UTF8(fileName), MUTILS_UTF8(process.errorString()));
return QStringList();
}
//Start the timer
QElapsedTimer timer;
timer.start();
//Wait until process has finished
QStringList processOutput;
while (process.state() != QProcess::NotRunning)
{
process.waitForReadyRead(1250);
while (process.canReadLine())
{
const QString line = QString::fromUtf8(process.readLine()).simplified();
if (!line.isEmpty())
{
processOutput << line;
}
}
if (timer.hasExpired(15000))
{
qWarning("%s process encountered a deadlock -> aborting now!", MUTILS_UTF8(fileName));
break;
}
}
//Make sure process has terminated!
process.waitForFinished(1250);
if (process.state() != QProcess::NotRunning)
{
qWarning("%s process still running, going to kill it!", MUTILS_UTF8(fileName));
process.kill();
process.waitForFinished(-1);
}
//Read pending lines
while (process.bytesAvailable() > 0)
{
const QString line = QString::fromUtf8(process.readLine()).simplified();
if (!line.isEmpty())
{
processOutput << line;
}
}
//Check exit code
if (process.exitCode() != 0)
{
qWarning("%s failed with code 0x%08X -> discarding all output!", MUTILS_UTF8(fileName), process.exitCode());
return QStringList();
}
return processOutput;
}