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///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
// Copyright (C) 2004-2016 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, but always including the *additional*
// restrictions defined in the "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 "Encoder_FLAC.h"
#include "Global.h"
#include "Model_Settings.h"
#include <QProcess>
#include <QDir>
///////////////////////////////////////////////////////////////////////////////
// Encoder Info
///////////////////////////////////////////////////////////////////////////////
class FLACEncoderInfo : public AbstractEncoderInfo
{
public:
virtual bool isModeSupported(int mode) const
{
switch(mode)
{
case SettingsModel::VBRMode:
return true;
break;
case SettingsModel::ABRMode:
case SettingsModel::CBRMode:
return false;
break;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual int valueCount(int mode) const
{
switch(mode)
{
case SettingsModel::VBRMode:
return 9;
break;
case SettingsModel::ABRMode:
case SettingsModel::CBRMode:
return 0;
break;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual int valueAt(int mode, int index) const
{
switch(mode)
{
case SettingsModel::VBRMode:
return qBound(0, index, 8);
break;
case SettingsModel::ABRMode:
case SettingsModel::CBRMode:
return -1;
break;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual int valueType(int mode) const
{
switch(mode)
{
case SettingsModel::VBRMode:
return TYPE_COMPRESSION_LEVEL;
break;
case SettingsModel::ABRMode:
case SettingsModel::CBRMode:
return -1;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual const char *description(void) const
{
static const char* s_description = "Free Lossless Audio Codec (FLAC)";
return s_description;
}
virtual const char *extension(void) const
{
static const char* s_extension = "flac";
return s_extension;
}
virtual bool isResamplingSupported(void) const
{
return false;
}
}
static const g_flacEncoderInfo;
///////////////////////////////////////////////////////////////////////////////
// Encoder implementation
///////////////////////////////////////////////////////////////////////////////
FLACEncoder::FLACEncoder(void)
:
m_binary(lamexp_tools_lookup(L1S("flac.exe")))
{
if(m_binary.isEmpty())
{
MUTILS_THROW("Error initializing FLAC encoder. Tool 'flac.exe' is not registred!");
}
}
FLACEncoder::~FLACEncoder(void)
{
}
bool FLACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const QString &outputFile, volatile bool *abortFlag)
{
QProcess process;
QStringList args;
args << QString("-%1").arg(QString::number(qBound(0, m_configBitrate, 8)));
args << L1S("--channel-map=none");
if(!metaInfo.title().isEmpty()) args << L1S("-T") << QString("title=%1").arg(cleanTag(metaInfo.title()));
if(!metaInfo.artist().isEmpty()) args << L1S("-T") << QString("artist=%1").arg(cleanTag(metaInfo.artist()));
if(!metaInfo.album().isEmpty()) args << L1S("-T") << QString("album=%1").arg(cleanTag(metaInfo.album()));
if(!metaInfo.genre().isEmpty()) args << L1S("-T") << QString("genre=%1").arg(cleanTag(metaInfo.genre()));
if(!metaInfo.comment().isEmpty()) args << L1S("-T") << QString("comment=%1").arg(cleanTag(metaInfo.comment()));
if(metaInfo.year()) args << L1S("-T") << QString("date=%1").arg(QString::number(metaInfo.year()));
if(metaInfo.position()) args << L1S("-T") << QString("track=%1").arg(QString::number(metaInfo.position()));
if(!metaInfo.cover().isEmpty()) args << QString("--picture=%1").arg(metaInfo.cover());
//args << "--tv" << QString().sprintf("Encoder=LameXP v%d.%02d.%04d [%s]", lamexp_version_major(), lamexp_version_minor(), lamexp_version_build(), lamexp_version_release());
if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
args << L1S("-f") << L1S("-o") << QDir::toNativeSeparators(outputFile);
args << QDir::toNativeSeparators(sourceFile);
if(!startProcess(process, m_binary, args))
{
return false;
}
bool bTimeout = false;
bool bAborted = false;
int prevProgress = -1;
QRegExp regExp(L1S("\\b(\\d+)% complete"));
while(process.state() != QProcess::NotRunning)
{
if(*abortFlag)
{
process.kill();
bAborted = true;
emit messageLogged(L1S("\nABORTED BY USER !!!"));
break;
}
process.waitForReadyRead(m_processTimeoutInterval);
if(!process.bytesAvailable() && process.state() == QProcess::Running)
{
process.kill();
qWarning("FLAC process timed out <-- killing!");
emit messageLogged(L1S("\nPROCESS TIMEOUT !!!"));
bTimeout = true;
break;
}
while(process.bytesAvailable() > 0)
{
QByteArray line = process.readLine().replace('\b', char(0x20));
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;
}
bool FLACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
{
if(containerType.compare(L1S("Wave"), Qt::CaseInsensitive) == 0)
{
if(formatType.compare(L1S("PCM"), Qt::CaseInsensitive) == 0)
{
return true;
}
}
return false;
}
const unsigned int *FLACEncoder::supportedChannelCount(void)
{
static const unsigned int supportedChannels[] = {2, 4, 5, 6, 7, 8, NULL};
return supportedChannels;
}
const unsigned int *FLACEncoder::supportedBitdepths(void)
{
static const unsigned int supportedBPS[] = {16, 24, NULL};
return supportedBPS;
}
const AbstractEncoderInfo *FLACEncoder::getEncoderInfo(void)
{
return &g_flacEncoderInfo;
}
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