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///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
// Copyright (C) 2004-2017 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_Opus.h"
//MUtils
#include <MUtils/Global.h>
//Internal
#include "Global.h"
#include "Model_Settings.h"
#include "MimeTypes.h"
//Qt
#include <QProcess>
#include <QDir>
#include <QUUid>
///////////////////////////////////////////////////////////////////////////////
// Encoder Info
///////////////////////////////////////////////////////////////////////////////
class OpusEncoderInfo : public AbstractEncoderInfo
{
virtual bool isModeSupported(int mode) const
{
switch(mode)
{
case SettingsModel::VBRMode:
case SettingsModel::ABRMode:
case SettingsModel::CBRMode:
return true;
break;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual int valueCount(int mode) const
{
switch(mode)
{
case SettingsModel::VBRMode:
case SettingsModel::ABRMode:
case SettingsModel::CBRMode:
return 32;
break;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual int valueAt(int mode, int index) const
{
switch(mode)
{
case SettingsModel::VBRMode:
case SettingsModel::ABRMode:
case SettingsModel::CBRMode:
return qBound(8, (index + 1) * 8, 256);
break;
default:
MUTILS_THROW("Bad RC mode specified!");
}
}
virtual int valueType(int mode) const
{
switch(mode)
{
case SettingsModel::VBRMode:
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 = "Opus-Tools OpusEnc (libopus)";
return s_description;
}
virtual const char *extension(void) const
{
static const char* s_extension = "opus";
return s_extension;
}
virtual bool isResamplingSupported(void) const
{
return false;
}
}
static const g_opusEncoderInfo;
///////////////////////////////////////////////////////////////////////////////
// Encoder implementation
///////////////////////////////////////////////////////////////////////////////
OpusEncoder::OpusEncoder(void)
:
m_binary(lamexp_tools_lookup(L1S("opusenc.exe")))
{
if(m_binary.isEmpty())
{
MUTILS_THROW("Error initializing Opus encoder. Tool 'opusenc.exe' is not registred!");
}
m_configOptimizeFor = 0;
m_configEncodeComplexity = 10;
m_configFrameSize = 3;
}
OpusEncoder::~OpusEncoder(void)
{
}
bool OpusEncoder::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;
switch(m_configRCMode)
{
case SettingsModel::VBRMode:
args << L1S("--vbr");
break;
case SettingsModel::ABRMode:
args << L1S("--cvbr");
break;
case SettingsModel::CBRMode:
args << L1S("--hard-cbr");
break;
default:
MUTILS_THROW("Bad rate-control mode!");
break;
}
args << "--comp" << QString::number(m_configEncodeComplexity);
switch(m_configFrameSize)
{
case 0:
args << L1S("--framesize") << L1S("2.5");
break;
case 1:
args << L1S("--framesize") << L1S("5");
break;
case 2:
args << L1S("--framesize") << L1S("10");
break;
case 3:
args << L1S("--framesize") << L1S("20");
break;
case 4:
args << L1S("--framesize") << L1S("40");
break;
case 5:
args << L1S("--framesize") << L1S("60");
break;
}
args << L1S("--bitrate") << QString::number(qBound(8, (m_configBitrate + 1) * 8, 256));
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.year()) args << L1S("--date") << QString::number(metaInfo.year());
if(metaInfo.position()) args << L1S("--comment") << QString("tracknumber=%1").arg(QString::number(metaInfo.position()));
if(!metaInfo.comment().isEmpty()) args << L1S("--comment") << QString("comment=%1").arg(cleanTag(metaInfo.comment()));
if(!metaInfo.cover().isEmpty()) args << L1S("--picture") << makeCoverParam(metaInfo.cover());
if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
args << QDir::toNativeSeparators(sourceFile);
args << QDir::toNativeSeparators(outputFile);
if(!startProcess(process, m_binary, args))
{
return false;
}
bool bTimeout = false;
bool bAborted = false;
int prevProgress = -1;
QRegExp regExp(L1S("\\((\\d+)%\\)"));
while(process.state() != QProcess::NotRunning)
{
if (checkFlag(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("Opus 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;
}
QString OpusEncoder::detectMimeType(const QString &coverFile)
{
const QString suffix = QFileInfo(coverFile).suffix();
for (size_t i = 0; MIME_TYPES[i].type; i++)
{
for (size_t k = 0; MIME_TYPES[i].ext[k]; k++)
{
if (suffix.compare(QString::fromLatin1(MIME_TYPES[i].ext[k]), Qt::CaseInsensitive) == 0)
{
return QString::fromLatin1(MIME_TYPES[i].type);
}
}
}
qWarning("Unknown MIME type for extension '%s' -> using default!", MUTILS_UTF8(coverFile));
return QString::fromLatin1(MIME_TYPES[0].type);
}
QString OpusEncoder::makeCoverParam(const QString &coverFile)
{
return QString("3|%1|||%2").arg(detectMimeType(coverFile), QDir::toNativeSeparators(coverFile));
}
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);
}
bool OpusEncoder::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 *OpusEncoder::supportedChannelCount(void)
{
return NULL;
}
const unsigned int *OpusEncoder::supportedBitdepths(void)
{
static const unsigned int supportedBPS[] = {8, 16, 24, AudioFileModel::BITDEPTH_IEEE_FLOAT32, NULL};
return supportedBPS;
}
const bool OpusEncoder::needsTimingInfo(void)
{
return true;
}
const AbstractEncoderInfo *OpusEncoder::getEncoderInfo(void)
{
return &g_opusEncoderInfo;
}