LameXP/src/Encoder_Vorbis.cpp
2018-01-17 21:18:10 +01:00

253 lines
7.0 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
// Copyright (C) 2004-2018 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_Vorbis.h"
#include "Global.h"
#include "Model_Settings.h"
#include <QProcess>
#include <QDir>
///////////////////////////////////////////////////////////////////////////////
// Encoder Info
///////////////////////////////////////////////////////////////////////////////
class VorbisEncoderInfo : public AbstractEncoderInfo
{
virtual bool isModeSupported(int mode) const
{
switch(mode)
{
case SettingsModel::VBRMode:
case SettingsModel::ABRMode:
return true;
break;
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 12;
break;
case SettingsModel::ABRMode:
case SettingsModel::CBRMode:
return 60;
break;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual int valueAt(int mode, int index) const
{
switch(mode)
{
case SettingsModel::VBRMode:
return qBound(-2, index - 2, 10);
break;
case SettingsModel::ABRMode:
case SettingsModel::CBRMode:
return qBound(32, (index + 4) * 8, 500);
break;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual int valueType(int mode) const
{
switch(mode)
{
case SettingsModel::VBRMode:
return TYPE_QUALITY_LEVEL_INT;
break;
case SettingsModel::ABRMode:
return TYPE_APPROX_BITRATE;
break;
case SettingsModel::CBRMode:
return TYPE_BITRATE;
break;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual const char *description(void) const
{
static const char* s_description = "OggEnc2 Vorbis Encoder (aoTuV)";
return s_description;
}
virtual const char *extension(void) const
{
static const char* s_extension = "ogg";
return s_extension;
}
virtual bool isResamplingSupported(void) const
{
return true;
}
}
static const g_vorbisEncoderInfo;
///////////////////////////////////////////////////////////////////////////////
// Encoder implementation
///////////////////////////////////////////////////////////////////////////////
VorbisEncoder::VorbisEncoder(void)
:
m_binary(lamexp_tools_lookup(L1S("oggenc2.exe")))
{
if(m_binary.isEmpty())
{
MUTILS_THROW("Error initializing Vorbis encoder. Tool 'oggenc2.exe' is not registred!");
}
m_configBitrateMaximum = 0;
m_configBitrateMinimum = 0;
m_configSamplingRate = 0;
}
VorbisEncoder::~VorbisEncoder(void)
{
}
bool VorbisEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const unsigned int channels, const QString &outputFile, QAtomicInt &abortFlag)
{
QProcess process;
QStringList args;
const QString baseName = QFileInfo(outputFile).fileName();
switch(m_configRCMode)
{
case SettingsModel::VBRMode:
args << L1S("-q") << QString::number(qBound(-2, m_configBitrate - 2, 10));
break;
case SettingsModel::ABRMode:
args << L1S("-b") << QString::number(qBound(32, (m_configBitrate + 4) * 8, 500));
break;
default:
MUTILS_THROW("Bad rate-control mode!");
break;
}
if((m_configBitrateMaximum > 0) && (m_configBitrateMinimum > 0) && (m_configBitrateMinimum <= m_configBitrateMaximum))
{
args << L1S("--min-bitrate") << QString::number(qBound(32, m_configBitrateMinimum, 500));
args << L1S("--max-bitrate") << QString::number(qBound(32, m_configBitrateMaximum, 500));
}
if(m_configSamplingRate > 0)
{
args << L1S("--resample") << QString::number(m_configSamplingRate) << L1S("--converter") << QString::number(0);
}
if (!metaInfo.empty(false))
{
args << L1S("--discard-comments");
}
if(!metaInfo.title().isEmpty()) args << L1S("-t") << cleanTag(metaInfo.title());
if(!metaInfo.artist().isEmpty()) args << L1S("-a") << cleanTag(metaInfo.artist());
if(!metaInfo.album().isEmpty()) args << L1S("-l") << cleanTag(metaInfo.album());
if(!metaInfo.genre().isEmpty()) args << L1S("-G") << cleanTag(metaInfo.genre());
if(!metaInfo.comment().isEmpty()) args << L1S("-c") << QString("comment=%1").arg(cleanTag(metaInfo.comment()));
if(metaInfo.year()) args << L1S("-d") << QString::number(metaInfo.year());
if(metaInfo.position()) args << L1S("-N") << QString::number(metaInfo.position());
//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("-o") << QDir::toNativeSeparators(outputFile);
args << QDir::toNativeSeparators(sourceFile);
if(!startProcess(process, m_binary, args))
{
return false;
}
int prevProgress = -1;
QRegExp regExp(L1S("\\[.*(\\d+)[.,](\\d+)%\\]"));
const result_t result = awaitProcess(process, abortFlag, [this, &prevProgress, &regExp](const QString &text)
{
if (regExp.lastIndexIn(text) >= 0)
{
qint32 newProgress;
if (MUtils::regexp_parse_int32(regExp, newProgress))
{
if (newProgress > prevProgress)
{
emit statusUpdated(newProgress);
prevProgress = NEXT_PROGRESS(newProgress);
}
}
return true;
}
return false;
});
return (result == RESULT_SUCCESS);
}
bool VorbisEncoder::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;
}
}
else if(containerType.compare(L1S("FLAC"), Qt::CaseInsensitive) == 0)
{
if(formatType.compare(L1S("FLAC"), Qt::CaseInsensitive) == 0)
{
return true;
}
}
return false;
}
void VorbisEncoder::setBitrateLimits(int minimumBitrate, int maximumBitrate)
{
m_configBitrateMinimum = minimumBitrate;
m_configBitrateMaximum = maximumBitrate;
}
const AbstractEncoderInfo *VorbisEncoder::getEncoderInfo(void)
{
return &g_vorbisEncoderInfo;
}