Some code refactoring regarding the QWaitCondition/QMutex in FileAnalyzer_Task.
[LameXP.git] / src / Decoder_AC3.cpp
blob09339b375b9a83407f8f6338dbdf2d362d690e57
1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2012 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.
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.
19 // http://www.gnu.org/licenses/gpl-2.0.txt
20 ///////////////////////////////////////////////////////////////////////////////
22 #include "Decoder_AC3.h"
24 #include "Global.h"
26 #include <QDir>
27 #include <QProcess>
28 #include <QRegExp>
30 AC3Decoder::AC3Decoder(void)
32 m_binary(lamexp_lookup_tool("valdec.exe"))
34 if(m_binary.isEmpty())
36 throw "Error initializing Valib decoder. Tool 'valdec.exe' is not registred!";
40 AC3Decoder::~AC3Decoder(void)
44 bool AC3Decoder::decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag)
46 QProcess process;
47 QStringList args;
49 args << QDir::toNativeSeparators(sourceFile);
50 args << "-w" << QDir::toNativeSeparators(outputFile);
52 if(!startProcess(process, m_binary, args))
54 return false;
57 bool bTimeout = false;
58 bool bAborted = false;
60 QRegExp regExp("\\[(\\s*)(\\d+)\\.(\\d+)%\\]");
62 while(process.state() != QProcess::NotRunning)
64 if(*abortFlag)
66 process.kill();
67 bAborted = true;
68 emit messageLogged("\nABORTED BY USER !!!");
69 break;
71 process.waitForReadyRead(m_processTimeoutInterval);
72 if(!process.bytesAvailable() && process.state() == QProcess::Running)
74 process.kill();
75 qWarning("Valdec process timed out <-- killing!");
76 emit messageLogged("\nPROCESS TIMEOUT !!!");
77 bTimeout = true;
78 break;
80 while(process.bytesAvailable() > 0)
82 QByteArray line = process.readLine();
83 QString text = QString::fromUtf8(line.constData()).simplified();
84 if(regExp.lastIndexIn(text) >= 0)
86 bool ok = false;
87 int progress = regExp.cap(2).toInt(&ok);
88 if(ok) emit statusUpdated(progress);
90 else if(!text.isEmpty())
92 emit messageLogged(text);
97 process.waitForFinished();
98 if(process.state() != QProcess::NotRunning)
100 process.kill();
101 process.waitForFinished(-1);
104 emit statusUpdated(100);
105 emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
107 if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS || QFileInfo(outputFile).size() == 0)
109 return false;
112 return true;
115 bool AC3Decoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
117 if(containerType.compare("AC-3", Qt::CaseInsensitive) == 0)
119 if(formatType.compare("AC-3", Qt::CaseInsensitive) == 0)
121 return true;
124 else if(containerType.compare("DTS", Qt::CaseInsensitive) == 0)
126 if(formatType.compare("DTS", Qt::CaseInsensitive) == 0)
128 return true;
131 else if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
133 if(formatType.compare("AC-3", Qt::CaseInsensitive) == 0 || formatType.compare("DTS", Qt::CaseInsensitive) == 0)
135 return true;
139 return false;
142 QStringList AC3Decoder::supportedTypes(void)
144 return QStringList() << "AC-3 / ATSC A/52 (*.ac3 *.wav)" << "Digital Theater System (*.dts)";