///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
-// Copyright (C) 2004-2011 LoRd_MuldeR <MuldeR2@GMX.de>
+// Copyright (C) 2004-2020 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
+// 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.
+// (at your option) any later version; always including the non-optional
+// LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "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
#include "Filter_Downmix.h"
+//Internal
#include "Global.h"
+#include "Tool_WaveProperties.h"
+#include "Model_AudioFile.h"
+//MUtils
+#include <MUtils/Exception.h>
+
+//Qt
#include <QDir>
#include <QProcess>
#include <QRegExp>
+#define IS_VALID(X) (((X) != 0U) && ((X) != UINT_MAX))
+
DownmixFilter::DownmixFilter(void)
:
- m_binary(lamexp_lookup_tool("sox.exe"))
+ m_binary(lamexp_tools_lookup("sox.exe"))
{
if(m_binary.isEmpty())
{
- throw "Error initializing SoX filter. Tool 'sox.exe' is not registred!";
+ MUTILS_THROW("Error initializing SoX filter. Tool 'sox.exe' is not registred!");
}
}
{
}
-bool DownmixFilter::apply(const QString &sourceFile, const QString &outputFile, volatile bool *abortFlag)
+AbstractFilter::FilterResult DownmixFilter::apply(const QString &sourceFile, const QString &outputFile, AudioFileModel_TechInfo *const formatInfo, QAtomicInt &abortFlag)
{
+ unsigned int channels = formatInfo->audioChannels();
+ emit messageLogged(QString().sprintf("--> Number of channels is: %d\n", channels));
+
+ if(IS_VALID(channels) && (channels <= 2))
+ {
+ messageLogged("Skipping downmix!");
+ qDebug("Dowmmix not required/possible for Mono or Stereo input, skipping!");
+ return AbstractFilter::FILTER_SKIPPED;
+ }
+
QProcess process;
QStringList args;
- process.setWorkingDirectory(lamexp_temp_folder());
-
- args << "-V3";
- args << "--norm" << "--temp" << ".";
+ args << "-V3" << "-S";
+ args << "--guard" << "--temp" << ".";
args << QDir::toNativeSeparators(sourceFile);
- args << "-c2";
args << QDir::toNativeSeparators(outputFile);
- if(!startProcess(process, m_binary, args))
+ switch(channels)
{
- return false;
+ case 3: //3.0 (L/R/C)
+ args << "remix" << "1v0.66,3v0.34" << "2v0.66,3v0.34";
+ break;
+ case 4: //3.1 (L/R/C/LFE)
+ args << "remix" << "1v0.5,3v0.25,4v0.25" << "2v0.5,3v0.25,4v0.25";
+ break;
+ case 5: //5.0 (L/R/C/BL/BR)
+ args << "remix" << "1v0.5,3v0.25,4v0.25" << "2v0.5,3v0.25,5v0.25";
+ break;
+ case 6: //5.1 (L/R/C/LFE/BL/BR)
+ args << "remix" << "1v0.4,3v0.2,4v0.2,5v0.2" << "2v0.4,3v0.2,4v0.2,6v0.2";
+ break;
+ case 7: //7.0 (L/R/C/BL/BR/SL/SR)
+ args << "remix" << "1v0.4,3v0.2,4v0.2,6v0.2" << "2v0.4,3v0.2,5v0.2,7v0.2";
+ break;
+ case 8: //7.1 (L/R/C/LFE/BL/BR/SL/SR)
+ args << "remix" << "1v0.36,3v0.16,4v0.16,5v0.16,7v0.16" << "2v0.36,3v0.16,4v0.16,6v0.16,8v0.16";
+ break;
+ case 9: //8.1 (L/R/C/LFE/BL/BR/SL/SR/BC)
+ args << "remix" << "1v0.308,3v0.154,4v0.154,5v0.154,7v0.154,9v0.076" << "2v0.308,3v0.154,4v0.154,6v0.154,8v0.154,9v0.076";
+ break;
+ default: //Unknown
+ qWarning("Downmixer: Unknown channel configuration!");
+ args << "channels" << QString::number(2);
+ break;
+ }
+
+ if(!startProcess(process, m_binary, args, QFileInfo(outputFile).canonicalPath()))
+ {
+ return AbstractFilter::FILTER_FAILURE;
}
- bool bTimeout = false;
- bool bAborted = false;
+ int prevProgress = -1;
+ QRegExp regExp("In:(\\d+)(\\.\\d+)*%");
- while(process.state() != QProcess::NotRunning)
+ const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, ®Exp](const QString &text)
{
- if(*abortFlag)
+ if (regExp.lastIndexIn(text) >= 0)
{
- process.kill();
- bAborted = true;
- emit messageLogged("\nABORTED BY USER !!!");
- break;
- }
- process.waitForReadyRead();
- if(!process.bytesAvailable() && process.state() == QProcess::Running)
- {
- process.kill();
- qWarning("SoX process timed out <-- killing!");
- bTimeout = true;
- break;
- }
- while(process.bytesAvailable() > 0)
- {
- QByteArray line = process.readLine();
- QString text = QString::fromUtf8(line.constData()).simplified();
- if(!text.isEmpty())
+ qint32 newProgress;
+ if (MUtils::regexp_parse_int32(regExp, newProgress))
{
- emit messageLogged(text);
+ if (newProgress > prevProgress)
+ {
+ emit statusUpdated(newProgress);
+ prevProgress = NEXT_PROGRESS(newProgress);
+ }
}
+ return true;
}
- }
-
- 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()));
+ return false;
+ });
- if(bTimeout || bAborted || process.exitStatus() != QProcess::NormalExit || QFileInfo(outputFile).size() == 0)
+ if (result != RESULT_SUCCESS)
{
- return false;
+ return AbstractFilter::FILTER_FAILURE;
}
- return true;
+ formatInfo->setAudioChannels(2);
+ return AbstractFilter::FILTER_SUCCESS;
}
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