127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////
|
|
// LameXP - Audio Encoder Front-End
|
|
// Copyright (C) 2004-2021 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; 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
|
|
// 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_Opus.h"
|
|
|
|
//Internal
|
|
#include "Global.h"
|
|
|
|
//MUtils
|
|
#include <MUtils/Exception.h>
|
|
|
|
//Qt
|
|
#include <QDir>
|
|
#include <QProcess>
|
|
#include <QRegExp>
|
|
#include <QUuid>
|
|
|
|
static const quint32 OPUS_DEFAULT_SAMPLING_RATE = 48000;
|
|
|
|
bool OpusDecoder::m_disableResampling = false;
|
|
|
|
OpusDecoder::OpusDecoder(void)
|
|
:
|
|
m_binary(lamexp_tools_lookup("opusdec.exe"))
|
|
{
|
|
if(m_binary.isEmpty())
|
|
{
|
|
MUTILS_THROW("Error initializing Opus decoder. Tool 'opusdec.exe' is not registred!");
|
|
}
|
|
}
|
|
|
|
OpusDecoder::~OpusDecoder(void)
|
|
{
|
|
}
|
|
|
|
bool OpusDecoder::decode(const QString &sourceFile, const QString &outputFile, QAtomicInt &abortFlag)
|
|
{
|
|
QProcess process;
|
|
QStringList args;
|
|
|
|
if(m_disableResampling)
|
|
{
|
|
args << "--rate" << QString().number(OPUS_DEFAULT_SAMPLING_RATE); /*force 48.000 Hz*/
|
|
}
|
|
|
|
args << QDir::toNativeSeparators(sourceFile);
|
|
args << QDir::toNativeSeparators(outputFile);
|
|
|
|
if(!startProcess(process, m_binary, args))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
int prevProgress = -1;
|
|
QRegExp regExp("\\((\\d+)\\.(\\d+)%\\)");
|
|
|
|
const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, ®Exp](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;
|
|
});
|
|
|
|
return (result == RESULT_SUCCESS);
|
|
}
|
|
|
|
bool OpusDecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
|
|
{
|
|
if(containerType.compare(QLatin1String("OGG"), Qt::CaseInsensitive) == 0)
|
|
{
|
|
if(formatType.compare(QLatin1String("Opus"), Qt::CaseInsensitive) == 0)
|
|
{
|
|
{
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
const AbstractDecoder::supportedType_t *OpusDecoder::supportedTypes(void)
|
|
{
|
|
static const char *exts[] =
|
|
{
|
|
"opus", "ogg", NULL
|
|
};
|
|
|
|
static const supportedType_t s_supportedTypes[] =
|
|
{
|
|
{ "Opus Audio Codec", exts },
|
|
{ NULL, NULL }
|
|
};
|
|
|
|
return s_supportedTypes;
|
|
}
|