155 lines
4.3 KiB
C++
155 lines
4.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// LameXP - Audio Encoder Front-End
|
|
// Copyright (C) 2004-2013 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 "Decoder_MP3.h"
|
|
|
|
#include "Global.h"
|
|
|
|
#include <QDir>
|
|
#include <QProcess>
|
|
#include <QRegExp>
|
|
|
|
MP3Decoder::MP3Decoder(void)
|
|
:
|
|
m_binary(lamexp_lookup_tool("mpg123.exe"))
|
|
{
|
|
if(m_binary.isEmpty())
|
|
{
|
|
throw "Error initializing MPG123 decoder. Tool 'mpg123.exe' is not registred!";
|
|
}
|
|
}
|
|
|
|
MP3Decoder::~MP3Decoder(void)
|
|
{
|
|
}
|
|
|
|
bool MP3Decoder::decode(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag)
|
|
{
|
|
QProcess process;
|
|
QStringList args;
|
|
|
|
args << "-v" << "--utf8" << "-w" << QDir::toNativeSeparators(outputFile);
|
|
args << QDir::toNativeSeparators(sourceFile);
|
|
|
|
if(!startProcess(process, m_binary, args))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
bool bTimeout = false;
|
|
bool bAborted = false;
|
|
int prevProgress = -1;
|
|
|
|
QRegExp regExp("\\s+Time:\\s+(\\d+):(\\d+)\\.(\\d+)\\s+\\[(\\d+):(\\d+)\\.(\\d+)\\],");
|
|
|
|
while(process.state() != QProcess::NotRunning)
|
|
{
|
|
if(*abortFlag)
|
|
{
|
|
process.kill();
|
|
bAborted = true;
|
|
emit messageLogged("\nABORTED BY USER !!!");
|
|
break;
|
|
}
|
|
process.waitForReadyRead(m_processTimeoutInterval);
|
|
if(!process.bytesAvailable() && process.state() == QProcess::Running)
|
|
{
|
|
process.kill();
|
|
qWarning("mpg123 process timed out <-- killing!");
|
|
emit messageLogged("\nPROCESS TIMEOUT !!!");
|
|
bTimeout = true;
|
|
break;
|
|
}
|
|
while(process.bytesAvailable() > 0)
|
|
{
|
|
QByteArray line = process.readLine();
|
|
QString text = QString::fromUtf8(line.constData()).simplified();
|
|
if(regExp.lastIndexIn(text) >= 0)
|
|
{
|
|
int values[6];
|
|
for(int i = 0; i < 6; i++)
|
|
{
|
|
bool ok = false;
|
|
int temp = regExp.cap(i+1).toInt(&ok);
|
|
values[i] = (ok ? temp : 0);
|
|
}
|
|
int timeDone = (60 * values[0]) + values[1];
|
|
int timeLeft = (60 * values[3]) + values[4];
|
|
if(timeDone > 0 || timeLeft > 0)
|
|
{
|
|
int newProgress = qRound((static_cast<double>(timeDone) / static_cast<double>(timeDone + timeLeft)) * 100.0);
|
|
if(newProgress > prevProgress)
|
|
{
|
|
emit statusUpdated(newProgress);
|
|
prevProgress = qMin(newProgress + 2, 99);
|
|
}
|
|
}
|
|
}
|
|
else if(!text.isEmpty())
|
|
{
|
|
emit messageLogged(text);
|
|
}
|
|
}
|
|
}
|
|
|
|
process.waitForFinished();
|
|
if(process.state() != QProcess::NotRunning)
|
|
{
|
|
process.kill();
|
|
process.waitForFinished(-1);
|
|
}
|
|
|
|
emit statusUpdated(100);
|
|
emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
|
|
|
|
if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool MP3Decoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
|
|
{
|
|
if(containerType.compare("MPEG Audio", Qt::CaseInsensitive) == 0 || containerType.compare("Wave", Qt::CaseInsensitive) == 0)
|
|
{
|
|
if(formatType.compare("MPEG Audio", Qt::CaseInsensitive) == 0)
|
|
{
|
|
if(formatProfile.compare("Layer 3", Qt::CaseInsensitive) == 0 || formatProfile.compare("Layer 2", Qt::CaseInsensitive) == 0)
|
|
{
|
|
if(formatVersion.compare("Version 1", Qt::CaseInsensitive) == 0 || formatVersion.compare("Version 2", Qt::CaseInsensitive) == 0)
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
QStringList MP3Decoder::supportedTypes(void)
|
|
{
|
|
return QStringList() << "MPEG Audio Layer III (*.mp3 *.mpa)" << "MPEG Audio Layer II (*.mp2 *.mpa)" << "MPEG Audio Layer I ( *.mp1 *.mpa)";
|
|
}
|
|
|