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///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
// Copyright (C) 2004-2018 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, but always including the *additional*
// restrictions defined in the "License.txt" file.
//
// 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 "Filter_ToneAdjust.h"
//Internal
#include "Global.h"
//MUtils
#include <MUtils/Exception.h>
//Qt
#include <QDir>
#include <QProcess>
#include <QRegExp>
#include <QFileInfo>
ToneAdjustFilter::ToneAdjustFilter(int bass, int treble)
:
m_binary(lamexp_tools_lookup("sox.exe"))
{
if(m_binary.isEmpty())
{
MUTILS_THROW("Error initializing SoX filter. Tool 'sox.exe' is not registred!");
}
m_bass = qMax(-2000, qMin(2000, bass));
m_treble = qMax(-2000, qMin(2000, treble));
}
ToneAdjustFilter::~ToneAdjustFilter(void)
{
}
AbstractFilter::FilterResult ToneAdjustFilter::apply(const QString &sourceFile, const QString &outputFile, AudioFileModel_TechInfo *const formatInfo, QAtomicInt &abortFlag)
{
QProcess process;
QStringList args;
args << "-V3" << "-S";
args << "--guard" << "--temp" << ".";
args << QDir::toNativeSeparators(sourceFile);
args << QDir::toNativeSeparators(outputFile);
if(m_bass != 0)
{
args << "bass" << QString().sprintf("%s%.2f", ((m_bass < 0) ? "-" : "+"), static_cast<double>(abs(m_bass)) / 100.0);
}
if(m_treble != 0)
{
args << "treble" << QString().sprintf("%s%.2f", ((m_treble < 0) ? "-" : "+"), static_cast<double>(abs(m_treble)) / 100.0);
}
if(!startProcess(process, m_binary, args, QFileInfo(outputFile).canonicalPath()))
{
return AbstractFilter::FILTER_FAILURE;
}
int prevProgress = -1;
QRegExp regExp("In:(\\d+)(\\.\\d+)*%");
const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, &regExp](const QString &text)
{
if (regExp.lastIndexIn(text) >= 0)
{
qint32 newProgress;
if (MUtils::regexp_parse_int32(regExp, newProgress))
{
if (newProgress > prevProgress)
{
emit statusUpdated(newProgress);
prevProgress = NEXT_PROGRESS(newProgress);
}
}
return true;
}
return false;
});
if (result != RESULT_SUCCESS)
{
return AbstractFilter::FILTER_FAILURE;
}
return AbstractFilter::FILTER_SUCCESS;
}