1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2017 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 "Decoder_MP3.h"
29 #include <MUtils/Global.h>
30 #include <MUtils/Exception.h>
36 #include <QMutexLocker>
39 QScopedPointer
<QRegExp
> MP3Decoder::m_regxLayer
, MP3Decoder::m_regxVersion
;
40 QMutex
MP3Decoder::m_regexMutex
;
42 MP3Decoder::MP3Decoder(void)
44 m_binary(lamexp_tools_lookup("mpg123.exe"))
46 if(m_binary
.isEmpty())
48 MUTILS_THROW("Error initializing MPG123 decoder. Tool 'mpg123.exe' is not registred!");
52 MP3Decoder::~MP3Decoder(void)
56 bool MP3Decoder::decode(const QString
&sourceFile
, const QString
&outputFile
, QAtomicInt
&abortFlag
)
61 args
<< "-v" << "--utf8" << "-w" << QDir::toNativeSeparators(outputFile
);
62 args
<< QDir::toNativeSeparators(sourceFile
);
64 if(!startProcess(process
, m_binary
, args
))
69 bool bTimeout
= false;
70 bool bAborted
= false;
71 int prevProgress
= -1;
73 QRegExp
regExp("\\b\\d+\\+\\d+\\s+(\\d+):(\\d+)\\.(\\d+)\\+(\\d+):(\\d+)\\.(\\d+)\\b");
75 while(process
.state() != QProcess::NotRunning
)
77 if(checkFlag(abortFlag
))
81 emit
messageLogged("\nABORTED BY USER !!!");
84 process
.waitForReadyRead(m_processTimeoutInterval
);
85 if(!process
.bytesAvailable() && process
.state() == QProcess::Running
)
88 qWarning("mpg123 process timed out <-- killing!");
89 emit
messageLogged("\nPROCESS TIMEOUT !!!");
93 while(process
.bytesAvailable() > 0)
95 QByteArray line
= process
.readLine();
96 QString text
= QString::fromUtf8(line
.constData()).simplified();
97 if(regExp
.lastIndexIn(text
) >= 0)
100 if (MUtils::regexp_parse_uint32(regExp
, values
, 6))
102 const double timeDone
= (60.0 * double(values
[0])) + double(values
[1]) + (double(values
[2]) / 100.0);
103 const double timeLeft
= (60.0 * double(values
[3])) + double(values
[4]) + (double(values
[5]) / 100.0);
104 if ((timeDone
>= 0.005) || (timeLeft
>= 0.005))
106 const int newProgress
= qRound((static_cast<double>(timeDone
) / static_cast<double>(timeDone
+ timeLeft
)) * 100.0);
107 if (newProgress
> prevProgress
)
109 emit
statusUpdated(newProgress
);
110 prevProgress
= qMin(newProgress
+ 2, 99);
115 else if(!text
.isEmpty())
117 emit
messageLogged(text
);
122 process
.waitForFinished();
123 if(process
.state() != QProcess::NotRunning
)
126 process
.waitForFinished(-1);
129 emit
statusUpdated(100);
130 emit
messageLogged(QString().sprintf("\nExited with code: 0x%04X", process
.exitCode()));
132 if(bTimeout
|| bAborted
|| process
.exitCode() != EXIT_SUCCESS
)
140 bool MP3Decoder::isFormatSupported(const QString
&containerType
, const QString
&containerProfile
, const QString
&formatType
, const QString
&formatProfile
, const QString
&formatVersion
)
142 const QLatin1String
mpegAudio("MPEG Audio"), waveAudio("Wave");
143 if((containerType
.compare(mpegAudio
, Qt::CaseInsensitive
) == 0) || (containerType
.compare(waveAudio
, Qt::CaseInsensitive
) == 0))
145 if(formatType
.compare(mpegAudio
, Qt::CaseInsensitive
) == 0)
147 QMutexLocker
lock(&m_regexMutex
);
148 if (m_regxLayer
.isNull() || m_regxVersion
.isNull())
150 m_regxLayer
.reset(new QRegExp("\\bLayer\\s+(1|2|3)\\b", Qt::CaseInsensitive
));
151 m_regxVersion
.reset(new QRegExp("\\bVersion\\s+(1|2|2\\.5)\\b", Qt::CaseInsensitive
));
153 if (m_regxLayer
->indexIn(formatProfile
) >= 0)
155 return (m_regxVersion
->indexIn(formatVersion
) >= 0);
163 const AbstractDecoder::supportedType_t
*MP3Decoder::supportedTypes(void)
165 static const char *exts
[][3] =
167 { "mp3", "mpa", NULL
},
168 { "mp2", "mpa", NULL
},
169 { "mp1", "mpa", NULL
}
172 static const supportedType_t s_supportedTypes
[] =
174 { "MPEG Audio Layer III", exts
[0] },
175 { "MPEG Audio Layer II", exts
[1] },
176 { "MPEG Audio Layer I", exts
[2] },
180 return s_supportedTypes
;