127 lines
3.2 KiB
C++
127 lines
3.2 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2020 LoRd_MuldeR <MuldeR2@GMX.de>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU GENERAL PUBLIC LICENSE as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version; always including the non-optional
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// LAMEXP GNU GENERAL PUBLIC LICENSE ADDENDUM. See "License.txt" file!
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// http://www.gnu.org/licenses/gpl-2.0.txt
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///////////////////////////////////////////////////////////////////////////////
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#include "Decoder_Opus.h"
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//Internal
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#include "Global.h"
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//MUtils
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#include <MUtils/Exception.h>
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//Qt
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#include <QDir>
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#include <QProcess>
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#include <QRegExp>
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#include <QUuid>
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static const quint32 OPUS_DEFAULT_SAMPLING_RATE = 48000;
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bool OpusDecoder::m_disableResampling = false;
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OpusDecoder::OpusDecoder(void)
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:
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m_binary(lamexp_tools_lookup("opusdec.exe"))
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{
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if(m_binary.isEmpty())
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{
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MUTILS_THROW("Error initializing Opus decoder. Tool 'opusdec.exe' is not registred!");
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}
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}
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OpusDecoder::~OpusDecoder(void)
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{
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}
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bool OpusDecoder::decode(const QString &sourceFile, const QString &outputFile, QAtomicInt &abortFlag)
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{
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QProcess process;
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QStringList args;
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if(m_disableResampling)
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{
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args << "--rate" << QString().number(OPUS_DEFAULT_SAMPLING_RATE); /*force 48.000 Hz*/
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}
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args << QDir::toNativeSeparators(sourceFile);
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args << QDir::toNativeSeparators(outputFile);
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if(!startProcess(process, m_binary, args))
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{
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return false;
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}
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int prevProgress = -1;
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QRegExp regExp("\\((\\d+)\\.(\\d+)%\\)");
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const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, ®Exp](const QString &text)
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{
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if (regExp.lastIndexIn(text) >= 0)
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{
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qint32 newProgress;
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if (MUtils::regexp_parse_int32(regExp, newProgress))
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{
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if (newProgress > prevProgress)
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{
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emit statusUpdated(newProgress);
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prevProgress = NEXT_PROGRESS(newProgress);
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}
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}
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return true;
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}
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return false;
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});
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return (result == RESULT_SUCCESS);
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}
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bool OpusDecoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
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{
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if(containerType.compare(QLatin1String("OGG"), Qt::CaseInsensitive) == 0)
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{
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if(formatType.compare(QLatin1String("Opus"), Qt::CaseInsensitive) == 0)
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{
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{
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return true;
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}
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}
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}
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return false;
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}
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const AbstractDecoder::supportedType_t *OpusDecoder::supportedTypes(void)
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{
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static const char *exts[] =
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{
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"opus", "ogg", NULL
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};
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static const supportedType_t s_supportedTypes[] =
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{
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{ "Opus Audio Codec", exts },
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{ NULL, NULL }
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};
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return s_supportedTypes;
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}
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