156 lines
4.0 KiB
C++
156 lines
4.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2017 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, but always including the *additional*
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// restrictions defined in the "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_Musepack.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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MusepackDecoder::MusepackDecoder(void)
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:
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m_binary(lamexp_tools_lookup("mpcdec.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 Musepack decoder. Tool 'mpcdec.exe' is not registred!");
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}
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}
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MusepackDecoder::~MusepackDecoder(void)
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{
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}
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bool MusepackDecoder::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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args << "-v";
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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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bool bTimeout = false;
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bool bAborted = false;
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int prevProgress = -1;
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QRegExp regExp("Decoding progress: (\\d+)\\.(\\d+)%");
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while(process.state() != QProcess::NotRunning)
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{
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if(checkFlag(abortFlag))
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{
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process.kill();
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bAborted = true;
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emit messageLogged("\nABORTED BY USER !!!");
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break;
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}
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process.waitForReadyRead(m_processTimeoutInterval);
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if(!process.bytesAvailable() && process.state() == QProcess::Running)
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{
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process.kill();
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qWarning("MpcDec process timed out <-- killing!");
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emit messageLogged("\nPROCESS TIMEOUT !!!");
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bTimeout = true;
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break;
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}
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while(process.bytesAvailable() > 0)
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{
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QByteArray line = process.readLine();
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QString text = QString::fromUtf8(line.constData()).simplified();
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if(regExp.lastIndexIn(text) >= 0)
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{
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bool ok = false;
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int progress = regExp.cap(1).toInt(&ok);
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if(ok && (progress > prevProgress))
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{
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emit statusUpdated(progress);
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prevProgress = qMin(progress + 2, 99);
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}
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}
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else if(!text.isEmpty())
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{
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emit messageLogged(text);
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}
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}
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}
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process.waitForFinished();
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if(process.state() != QProcess::NotRunning)
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{
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process.kill();
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process.waitForFinished(-1);
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}
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emit statusUpdated(100);
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emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
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if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS || QFileInfo(outputFile).size() == 0)
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{
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return false;
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}
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return true;
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}
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bool MusepackDecoder::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("Musepack SV8", Qt::CaseInsensitive) == 0 || containerType.compare("Musepack SV7", Qt::CaseInsensitive) == 0)
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{
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if(formatType.compare("Musepack SV8", Qt::CaseInsensitive) == 0 || formatType.compare("Musepack SV7", Qt::CaseInsensitive) == 0)
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{
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return true;
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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 *MusepackDecoder::supportedTypes(void)
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{
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static const char *exts[] =
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{
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"mpc", "mpp", "mp+", NULL
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};
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static const supportedType_t s_supportedTypes[] =
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{
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{ "Musepack", 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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