1 ///////////////////////////////////////////////////////////////////////////////
2 // LameXP - Audio Encoder Front-End
3 // Copyright (C) 2004-2011 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.
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 "Encoder_AC3.h"
25 #include "Model_Settings.h"
30 #define max(a,b) (((a) > (b)) ? (a) : (b))
31 #define min(a,b) (((a) < (b)) ? (a) : (b))
33 AC3Encoder::AC3Encoder(void)
35 m_binary(lamexp_lookup_tool("aften.exe"))
37 if(m_binary
.isEmpty())
39 throw "Error initializing FLAC encoder. Tool 'aften.exe' is not registred!";
42 m_configAudioCodingMode
= 0;
43 m_configDynamicRangeCompression
= 5;
44 m_configExponentSearchSize
= 8;
45 m_configFastBitAllocation
= false;
48 AC3Encoder::~AC3Encoder(void)
52 bool AC3Encoder::encode(const QString
&sourceFile
, const AudioFileModel
&metaInfo
, const QString
&outputFile
, volatile bool *abortFlag
)
57 switch(m_configRCMode
)
59 case SettingsModel::VBRMode
:
60 args
<< "-q" << QString::number(max(0, min(1023, m_configBitrate
* 64)));
62 case SettingsModel::CBRMode
:
63 args
<< "-b" << QString::number(SettingsModel::ac3Bitrates
[max(0, min(18, m_configBitrate
))]);
66 throw "Bad rate-control mode!";
70 if(m_configAudioCodingMode
>= 1)
72 args
<< "-acmod" << QString::number(m_configAudioCodingMode
- 1);
74 if(m_configDynamicRangeCompression
!= 5)
76 args
<< "-dynrng" << QString::number(m_configDynamicRangeCompression
);
78 if(m_configExponentSearchSize
!= 8)
80 args
<< "-exps" << QString::number(m_configExponentSearchSize
);
82 if(m_configFastBitAllocation
)
84 args
<< "-fba" << QString::number(1);
87 if(!m_configCustomParams
.isEmpty()) args
<< m_configCustomParams
.split(" ", QString::SkipEmptyParts
);
89 args
<< QDir::toNativeSeparators(sourceFile
);
90 args
<< QDir::toNativeSeparators(outputFile
);
92 if(!startProcess(process
, m_binary
, args
))
97 bool bTimeout
= false;
98 bool bAborted
= false;
100 QRegExp
regExp("progress:(\\s+)(\\d+)%(\\s+)\\|");
102 while(process
.state() != QProcess::NotRunning
)
108 emit
messageLogged("\nABORTED BY USER !!!");
111 process
.waitForReadyRead(m_processTimeoutInterval
);
112 if(!process
.bytesAvailable() && process
.state() == QProcess::Running
)
115 qWarning("Aften process timed out <-- killing!");
116 emit
messageLogged("\nPROCESS TIMEOUT !!!");
120 while(process
.bytesAvailable() > 0)
122 QByteArray line
= process
.readLine();
123 QString text
= QString::fromUtf8(line
.constData()).simplified();
124 if(regExp
.lastIndexIn(text
) >= 0)
127 int progress
= regExp
.cap(2).toInt(&ok
);
128 if(ok
) emit
statusUpdated(progress
);
130 else if(!text
.isEmpty())
132 emit
messageLogged(text
);
137 process
.waitForFinished();
138 if(process
.state() != QProcess::NotRunning
)
141 process
.waitForFinished(-1);
144 emit
statusUpdated(100);
145 emit
messageLogged(QString().sprintf("\nExited with code: 0x%04X", process
.exitCode()));
147 if(bTimeout
|| bAborted
|| process
.exitStatus() != QProcess::NormalExit
)
155 void AC3Encoder::setAudioCodingMode(int value
)
157 m_configAudioCodingMode
= min(8, max(0, value
));
160 void AC3Encoder::setDynamicRangeCompression(int value
)
162 m_configDynamicRangeCompression
= min(5, max(0, value
));
165 void AC3Encoder::setExponentSearchSize(int value
)
167 m_configExponentSearchSize
= min(32, max(1, value
));
170 void AC3Encoder::setFastBitAllocation(bool value
)
172 m_configFastBitAllocation
= value
;
175 QString
AC3Encoder::extension(void)
180 const unsigned int *AC3Encoder::requiresDownsample(void)
182 static const unsigned int supportedRates
[] = {48000, 44100, 32000, NULL
};
183 return supportedRates
;
186 bool AC3Encoder::isFormatSupported(const QString
&containerType
, const QString
&containerProfile
, const QString
&formatType
, const QString
&formatProfile
, const QString
&formatVersion
)
188 if(containerType
.compare("Wave", Qt::CaseInsensitive
) == 0)
190 if(formatType
.compare("PCM", Qt::CaseInsensitive
) == 0)