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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_AAC_QAAC.h"
//Internal
#include "Global.h"
#include "Model_Settings.h"
//MUtils
#include <MUtils/Global.h>
//StdLib
#include <math.h>
//Qt
#include <QProcess>
#include <QDir>
#include <QCoreApplication>
static int index2bitrate(const int index)
{
return (index < 32) ? ((index + 1) * 8) : ((index - 15) * 16);
}
static const int g_qaacVBRQualityLUT[16] = {0 ,9, 18, 27, 36, 45, 54, 63, 73, 82, 91, 100, 109, 118, 127, INT_MAX};
static const int RESAMPLING_QUALITY = 127;
///////////////////////////////////////////////////////////////////////////////
// Encoder Info
///////////////////////////////////////////////////////////////////////////////
class QAACEncoderInfo : public AbstractEncoderInfo
{
virtual bool isModeSupported(int mode) const
{
switch(mode)
{
case SettingsModel::VBRMode:
case SettingsModel::CBRMode:
case SettingsModel::ABRMode:
return true;
break;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual int valueCount(int mode) const
{
switch(mode)
{
case SettingsModel::VBRMode:
return 15;
break;
case SettingsModel::ABRMode:
case SettingsModel::CBRMode:
return 52;
break;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual int valueAt(int mode, int index) const
{
switch(mode)
{
case SettingsModel::VBRMode:
return g_qaacVBRQualityLUT[qBound(0, index , 14)];
break;
case SettingsModel::ABRMode:
case SettingsModel::CBRMode:
return qBound(8, index2bitrate(index), 576);
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 = "QAAC/QuickTime (\x0C2\x0A9 Apple Inc.)";
return s_description;
}
virtual const char *extension(void) const
{
static const char* s_extension = "mp4";
return s_extension;
}
virtual bool isResamplingSupported(void) const
{
return true;
}
}
static const g_qaacEncoderInfo;
///////////////////////////////////////////////////////////////////////////////
// Encoder implementation
///////////////////////////////////////////////////////////////////////////////
QAACEncoder::QAACEncoder(void)
:
m_binary_qaac32(lamexp_tools_lookup(L1S("qaac.exe"))),
m_binary_qaac64(lamexp_tools_lookup(L1S("qaac64.exe")))
{
if(m_binary_qaac32.isEmpty() && m_binary_qaac64.isEmpty())
{
MUTILS_THROW("Error initializing QAAC. Tool 'qaac.exe' is not registred!");
}
m_configProfile = 0;
m_algorithmQuality = 2;
}
QAACEncoder::~QAACEncoder(void)
{
}
bool QAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const QString &outputFile, volatile bool *abortFlag)
{
const QString qaac_bin = m_binary_qaac64.isEmpty() ? m_binary_qaac32 : m_binary_qaac64;
QProcess process;
QStringList args;
QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
env.insert(L1S("PATH"), QDir::toNativeSeparators(QString("%1;%1/QTfiles;%2").arg(QDir(QCoreApplication::applicationDirPath()).canonicalPath(), MUtils::temp_folder())));
process.setProcessEnvironment(env);
if(m_configRCMode != SettingsModel::VBRMode)
{
switch(m_configProfile)
{
case 2:
case 3:
args << L1S("--he"); //Forces use of HE AAC profile (there is no explicit HEv2 switch for QAAC)
break;
}
}
switch(m_configRCMode)
{
case SettingsModel::CBRMode:
args << L1S("--cbr") << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
break;
case SettingsModel::ABRMode:
args << L1S("--cvbr") << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
break;
case SettingsModel::VBRMode:
args << L1S("--tvbr") << QString::number(g_qaacVBRQualityLUT[qBound(0, m_configBitrate , 14)]);
break;
default:
MUTILS_THROW("Bad rate-control mode!");
break;
}
args << L1S("--quality") << QString::number(qBound(0, m_algorithmQuality, 2));
if (m_configSamplingRate > 0)
{
args << QString("--native-resampler=bats,%0").arg(QString::number(RESAMPLING_QUALITY));
args << L1S("--rate") << QString::number(m_configSamplingRate);
}
if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
if(!metaInfo.title().isEmpty()) args << L1S("--title") << cleanTag(metaInfo.title());
if(!metaInfo.artist().isEmpty()) args << L1S("--artist") << cleanTag(metaInfo.artist());
if(!metaInfo.album().isEmpty()) args << L1S("--album") << cleanTag(metaInfo.album());
if(!metaInfo.genre().isEmpty()) args << L1S("--genre") << cleanTag(metaInfo.genre());
if(!metaInfo.comment().isEmpty()) args << L1S("--comment") << cleanTag( metaInfo.comment());
if(metaInfo.year()) args << L1S("--date") << QString::number(metaInfo.year());
if(metaInfo.position()) args << L1S("--track") << QString::number(metaInfo.position());
if(!metaInfo.cover().isEmpty()) args << L1S("--artwork") << metaInfo.cover();
args << L1S("-d") << L1S(".");
args << L1S("-o") << QDir::toNativeSeparators(outputFile);
args << QDir::toNativeSeparators(sourceFile);
if(!startProcess(process, qaac_bin, args, QFileInfo(outputFile).canonicalPath()))
{
return false;
}
bool bTimeout = false;
bool bAborted = false;
int prevProgress = -1;
QRegExp regExp(L1S("\\[(\\d+)\\.(\\d)%\\]"));
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("QAAC process timed out <-- killing!");
emit messageLogged(L1S("\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;
}
bool QAACEncoder::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;
}
void QAACEncoder::setProfile(int profile)
{
m_configProfile = profile;
}
void QAACEncoder::setAlgoQuality(int value)
{
m_algorithmQuality = qBound(0, value, 2);
}
const AbstractEncoderInfo *QAACEncoder::getEncoderInfo(void)
{
return &g_qaacEncoderInfo;
}