121 lines
3.7 KiB
C++
121 lines
3.7 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2010 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.
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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 "Encoder_MP3.h"
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#include "Global.h"
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#include "Model_Settings.h"
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#include <QProcess>
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#include <QDir>
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#define max(a,b) (((a) > (b)) ? (a) : (b))
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#define min(a,b) (((a) < (b)) ? (a) : (b))
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#define IS_UNICODE(STR) (qstricmp(STR.toUtf8().constData(), QString::fromLocal8Bit(STR.toLocal8Bit()).toUtf8().constData()))
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MP3Encoder::MP3Encoder(void) : m_binary(lamexp_lookup_tool("lame.exe"))
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{
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if(m_binary.isEmpty())
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{
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throw "Error initializing MP3 encoder. Tool 'lame.exe' is not registred!";
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}
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}
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MP3Encoder::~MP3Encoder(void)
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{
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}
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bool MP3Encoder::encode(const AudioFileModel &sourceFile, const QString &outputFile)
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{
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const QString baseName = QFileInfo(outputFile).fileName();
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emit statusUpdated(baseName);
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QProcess process;
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process.setProcessChannelMode(QProcess::MergedChannels);
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process.setReadChannel(QProcess::StandardOutput);
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QStringList args;
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args << "--nohist";
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args << "-h";
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switch(m_configRCMode)
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{
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case SettingsModel::VBRMode:
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args << "-V" << QString::number(9 - min(9, m_configBitrate));
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break;
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case SettingsModel::ABRMode:
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args << "--abr" << QString::number(SettingsModel::mp3Bitrates[min(13, m_configBitrate)]);
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break;
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case SettingsModel::CBRMode:
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args << "--cbr";
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args << "-b" << QString::number(SettingsModel::mp3Bitrates[min(13, m_configBitrate)]);
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break;
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default:
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throw "Bad rate-control mode!";
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break;
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}
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if(!sourceFile.fileName().isEmpty()) args << (IS_UNICODE(sourceFile.fileName()) ? "--uTitle" : "--lTitle") << sourceFile.fileName();
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if(!sourceFile.fileArtist().isEmpty()) args << (IS_UNICODE(sourceFile.fileArtist()) ? "--uArtist" : "--lArtist") << sourceFile.fileArtist();
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if(!sourceFile.fileGenre().isEmpty()) args << (IS_UNICODE(sourceFile.fileGenre()) ? "--uGenre" : "--lGenre") << sourceFile.fileGenre();
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if(!sourceFile.fileComment().isEmpty()) args << (IS_UNICODE(sourceFile.fileComment()) ? "--uComment" : "--lComment") << sourceFile.fileComment();
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args << QDir::toNativeSeparators(sourceFile.filePath());
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args << QDir::toNativeSeparators(outputFile);
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process.start(lamexp_lookup_tool("lame.exe"), args);
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if(!process.waitForStarted())
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{
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return false;
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}
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QRegExp regExp("\\(.*(\\d+)%\\)\\|");
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while(process.state() != QProcess::NotRunning)
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{
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process.waitForReadyRead();
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while(process.bytesAvailable() > 0)
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{
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QByteArray line = process.readLine();
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qDebug("%s", line.constData());
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QString text = QString::fromLocal8Bit(line.constData()).simplified();
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if(regExp.lastIndexIn(line) >= 0)
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{
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emit statusUpdated(QString("%1 [%2%]").arg(baseName, regExp.cap(1)));
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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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if(process.exitStatus() != QProcess::NormalExit)
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{
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return false;
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}
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return true;
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} |