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///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
// Copyright (C) 2004-2012 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.
//
// 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 "Encoder_Opus.h"
#include "Global.h"
#include "Model_Settings.h"
#include <QProcess>
#include <QDir>
#include <QUUid>
OpusEncoder::OpusEncoder(void)
:
m_binary_std(lamexp_lookup_tool("opusenc_std.exe")),
m_binary_ea7(lamexp_lookup_tool("opusenc_ea7.exe"))
{
if(m_binary_std.isEmpty() || m_binary_ea7.isEmpty())
{
throw "Error initializing Opus encoder. Tool 'opusenc.exe' is not registred!";
}
m_configOptimizeFor = 0;
m_configEncodeComplexity = 10;
m_configFrameSize = 3;
m_configExpAnalysisOn = true;
}
OpusEncoder::~OpusEncoder(void)
{
}
bool OpusEncoder::encode(const QString &sourceFile, const AudioFileModel &metaInfo, const QString &outputFile, volatile bool *abortFlag)
{
const unsigned int fileDuration = metaInfo.fileDuration();
QProcess process;
QStringList args;
switch(m_configRCMode)
{
case SettingsModel::VBRMode:
args << "--vbr";
break;
case SettingsModel::ABRMode:
args << "-cvbr";
break;
case SettingsModel::CBRMode:
args << "--hard-cbr";
break;
default:
throw "Bad rate-control mode!";
break;
}
switch(m_configOptimizeFor)
{
case 0:
args << "--music";
break;
case 1:
args << "--speech";
break;
}
args << "--comp" << QString::number(m_configEncodeComplexity);
switch(m_configFrameSize)
{
case 0:
args << "--framesize" << "2.5";
break;
case 1:
args << "--framesize" << "5";
break;
case 2:
args << "--framesize" << "10";
break;
case 3:
args << "--framesize" << "20";
break;
case 4:
args << "--framesize" << "40";
break;
case 5:
args << "--framesize" << "60";
break;
}
args << QString("--bitrate") << QString::number(qMax(0, qMin(500, m_configBitrate * 8)));
if(!metaInfo.fileName().isEmpty()) args << "--title" << metaInfo.fileName();
if(!metaInfo.fileArtist().isEmpty()) args << "--artist" << metaInfo.fileArtist();
if(!metaInfo.fileAlbum().isEmpty()) args << "--comment" << QString("album=%1").arg(metaInfo.fileAlbum());
if(!metaInfo.fileGenre().isEmpty()) args << "--comment" << QString("genre=%1").arg(metaInfo.fileGenre());
if(!metaInfo.fileComment().isEmpty()) args << "--comment" << QString("comment=%1").arg(metaInfo.fileComment());
if(metaInfo.fileYear()) args << "--comment" << QString("date=%1").arg(QString::number(metaInfo.fileYear()));
if(metaInfo.filePosition()) args << "--comment" << QString("track=%1").arg(QString::number(metaInfo.filePosition()));
if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
args << QDir::toNativeSeparators(sourceFile);
args << QDir::toNativeSeparators(outputFile);
if(!startProcess(process, m_configExpAnalysisOn ? m_binary_ea7 : m_binary_std, args))
{
return false;
}
bool bTimeout = false;
bool bAborted = false;
int prevProgress = -1;
QRegExp regExp("\\((\\d+)%\\)");
while(process.state() != QProcess::NotRunning)
{
if(*abortFlag)
{
process.kill();
bAborted = true;
emit messageLogged("\nABORTED BY USER !!!");
break;
}
process.waitForReadyRead(m_processTimeoutInterval);
if(!process.bytesAvailable() && process.state() == QProcess::Running)
{
process.kill();
qWarning("Opus process timed out <-- killing!");
emit messageLogged("\nPROCESS TIMEOUT !!!");
bTimeout = true;
break;
}
while(process.bytesAvailable() > 0)
{
QByteArray line = process.readLine();
QString text = QString::fromUtf8(line.constData()).simplified();
if(regExp.lastIndexIn(text) >= 0)
{
bool ok = false;
int progress = regExp.cap(1).toInt(&ok);
if(ok && (progress > prevProgress))
{
emit statusUpdated(progress);
prevProgress = qMin(progress + 2, 99);
}
}
else if(!text.isEmpty())
{
emit messageLogged(text);
}
}
}
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()));
if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
{
return false;
}
return true;
}
void OpusEncoder::setOptimizeFor(int optimizeFor)
{
m_configOptimizeFor = qBound(0, optimizeFor, 2);
}
void OpusEncoder::setEncodeComplexity(int complexity)
{
m_configEncodeComplexity = qBound(0, complexity, 10);
}
void OpusEncoder::setFrameSize(int frameSize)
{
m_configFrameSize = qBound(0, frameSize, 5);
}
void OpusEncoder::setExpAnalysisOn(bool expAnalysisOn)
{
m_configExpAnalysisOn = expAnalysisOn;
}
QString OpusEncoder::extension(void)
{
return "opus";
}
bool OpusEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
{
if(containerType.compare("Wave", Qt::CaseInsensitive) == 0)
{
if(formatType.compare("PCM", Qt::CaseInsensitive) == 0)
{
return true;
}
}
return false;
}
const unsigned int *OpusEncoder::supportedChannelCount(void)
{
return NULL;
}
const unsigned int *OpusEncoder::supportedBitdepths(void)
{
return NULL;
}
const bool OpusEncoder::needsTimingInfo(void)
{
return true;
}
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