314 lines
8.5 KiB
C++
314 lines
8.5 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2017 LoRd_MuldeR <MuldeR2@GMX.de>
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version, but always including the *additional*
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// restrictions defined in the "License.txt" file.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program; if not, write to the Free Software Foundation, Inc.,
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// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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//
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// http://www.gnu.org/licenses/gpl-2.0.txt
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///////////////////////////////////////////////////////////////////////////////
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#include "Encoder_AAC_QAAC.h"
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//Internal
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#include "Global.h"
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#include "Model_Settings.h"
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//MUtils
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#include <MUtils/Global.h>
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//StdLib
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#include <math.h>
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//Qt
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#include <QProcess>
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#include <QDir>
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#include <QCoreApplication>
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static int index2bitrate(const int index)
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{
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return (index < 32) ? ((index + 1) * 8) : ((index - 15) * 16);
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}
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static const int g_qaacVBRQualityLUT[16] = {0 ,9, 18, 27, 36, 45, 54, 63, 73, 82, 91, 100, 109, 118, 127, INT_MAX};
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static const int RESAMPLING_QUALITY = 127;
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///////////////////////////////////////////////////////////////////////////////
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// Encoder Info
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///////////////////////////////////////////////////////////////////////////////
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class QAACEncoderInfo : public AbstractEncoderInfo
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{
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virtual bool isModeSupported(int mode) const
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{
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switch(mode)
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{
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case SettingsModel::VBRMode:
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case SettingsModel::CBRMode:
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case SettingsModel::ABRMode:
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return true;
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break;
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default:
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MUTILS_THROW("Bad RC mode specified!");
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}
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}
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virtual int valueCount(int mode) const
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{
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switch(mode)
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{
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case SettingsModel::VBRMode:
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return 15;
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break;
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case SettingsModel::ABRMode:
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case SettingsModel::CBRMode:
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return 52;
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break;
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default:
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MUTILS_THROW("Bad RC mode specified!");
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}
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}
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virtual int valueAt(int mode, int index) const
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{
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switch(mode)
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{
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case SettingsModel::VBRMode:
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return g_qaacVBRQualityLUT[qBound(0, index , 14)];
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break;
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case SettingsModel::ABRMode:
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case SettingsModel::CBRMode:
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return qBound(8, index2bitrate(index), 576);
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break;
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default:
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MUTILS_THROW("Bad RC mode specified!");
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}
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}
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virtual int valueType(int mode) const
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{
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switch(mode)
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{
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case SettingsModel::VBRMode:
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return TYPE_QUALITY_LEVEL_INT;
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break;
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case SettingsModel::ABRMode:
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return TYPE_APPROX_BITRATE;
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break;
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case SettingsModel::CBRMode:
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return TYPE_BITRATE;
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break;
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default:
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MUTILS_THROW("Bad RC mode specified!");
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}
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}
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virtual const char *description(void) const
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{
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static const char* s_description = "QAAC/QuickTime (\x0C2\x0A9 Apple Inc.)";
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return s_description;
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}
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virtual const char *extension(void) const
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{
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static const char* s_extension = "mp4";
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return s_extension;
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}
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virtual bool isResamplingSupported(void) const
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{
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return true;
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}
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}
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static const g_qaacEncoderInfo;
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///////////////////////////////////////////////////////////////////////////////
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// Encoder implementation
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///////////////////////////////////////////////////////////////////////////////
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QAACEncoder::QAACEncoder(void)
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:
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m_binary_qaac32(lamexp_tools_lookup(L1S("qaac.exe"))),
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m_binary_qaac64(lamexp_tools_lookup(L1S("qaac64.exe")))
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{
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if(m_binary_qaac32.isEmpty() && m_binary_qaac64.isEmpty())
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{
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MUTILS_THROW("Error initializing QAAC. Tool 'qaac.exe' is not registred!");
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}
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m_configProfile = 0;
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m_algorithmQuality = 2;
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}
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QAACEncoder::~QAACEncoder(void)
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{
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}
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bool QAACEncoder::encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const unsigned int channels, const QString &outputFile, QAtomicInt &abortFlag)
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{
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const QString qaac_bin = m_binary_qaac64.isEmpty() ? m_binary_qaac32 : m_binary_qaac64;
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QProcess process;
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QStringList args;
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QProcessEnvironment env = QProcessEnvironment::systemEnvironment();
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env.insert(L1S("PATH"), QDir::toNativeSeparators(QString("%1;%1/QTfiles;%2").arg(QDir(QCoreApplication::applicationDirPath()).canonicalPath(), MUtils::temp_folder())));
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process.setProcessEnvironment(env);
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if(m_configRCMode != SettingsModel::VBRMode)
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{
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switch(m_configProfile)
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{
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case 2:
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case 3:
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args << L1S("--he"); //Forces use of HE AAC profile (there is no explicit HEv2 switch for QAAC)
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break;
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}
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}
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switch(m_configRCMode)
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{
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case SettingsModel::CBRMode:
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args << L1S("--cbr") << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
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break;
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case SettingsModel::ABRMode:
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args << L1S("--cvbr") << QString::number(qBound(8, index2bitrate(m_configBitrate), 576));
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break;
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case SettingsModel::VBRMode:
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args << L1S("--tvbr") << QString::number(g_qaacVBRQualityLUT[qBound(0, m_configBitrate , 14)]);
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break;
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default:
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MUTILS_THROW("Bad rate-control mode!");
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break;
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}
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args << L1S("--quality") << QString::number(qBound(0, m_algorithmQuality, 2));
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if (m_configSamplingRate > 0)
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{
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args << QString("--native-resampler=bats,%0").arg(QString::number(RESAMPLING_QUALITY));
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args << L1S("--rate") << QString::number(m_configSamplingRate);
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}
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if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
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if(!metaInfo.title().isEmpty()) args << L1S("--title") << cleanTag(metaInfo.title());
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if(!metaInfo.artist().isEmpty()) args << L1S("--artist") << cleanTag(metaInfo.artist());
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if(!metaInfo.album().isEmpty()) args << L1S("--album") << cleanTag(metaInfo.album());
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if(!metaInfo.genre().isEmpty()) args << L1S("--genre") << cleanTag(metaInfo.genre());
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if(!metaInfo.comment().isEmpty()) args << L1S("--comment") << cleanTag( metaInfo.comment());
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if(metaInfo.year()) args << L1S("--date") << QString::number(metaInfo.year());
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if(metaInfo.position()) args << L1S("--track") << QString::number(metaInfo.position());
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if(!metaInfo.cover().isEmpty()) args << L1S("--artwork") << metaInfo.cover();
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args << L1S("-d") << L1S(".");
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args << L1S("-o") << QDir::toNativeSeparators(outputFile);
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args << QDir::toNativeSeparators(sourceFile);
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if(!startProcess(process, qaac_bin, args, QFileInfo(outputFile).canonicalPath()))
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{
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return false;
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}
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bool bTimeout = false;
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bool bAborted = false;
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int prevProgress = -1;
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QRegExp regExp(L1S("\\[(\\d+)\\.(\\d)%\\]"));
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while(process.state() != QProcess::NotRunning)
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{
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if (checkFlag(abortFlag))
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{
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process.kill();
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bAborted = true;
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emit messageLogged(L1S("\nABORTED BY USER !!!"));
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break;
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}
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process.waitForReadyRead(m_processTimeoutInterval);
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if(!process.bytesAvailable() && process.state() == QProcess::Running)
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{
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process.kill();
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qWarning("QAAC process timed out <-- killing!");
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emit messageLogged(L1S("\nPROCESS TIMEOUT !!!"));
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bTimeout = true;
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break;
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}
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while(process.bytesAvailable() > 0)
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{
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QByteArray line = process.readLine();
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QString text = QString::fromUtf8(line.constData()).simplified();
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if(regExp.lastIndexIn(text) >= 0)
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{
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bool ok = false;
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int progress = regExp.cap(1).toInt(&ok);
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if(ok && (progress > prevProgress))
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{
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emit statusUpdated(progress);
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prevProgress = qMin(progress + 2, 99);
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}
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}
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else if(!text.isEmpty())
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{
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emit messageLogged(text);
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}
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}
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}
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process.waitForFinished();
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if(process.state() != QProcess::NotRunning)
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{
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process.kill();
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process.waitForFinished(-1);
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}
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emit statusUpdated(100);
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emit messageLogged(QString().sprintf("\nExited with code: 0x%04X", process.exitCode()));
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if(bTimeout || bAborted || process.exitCode() != EXIT_SUCCESS)
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{
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return false;
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}
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return true;
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}
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bool QAACEncoder::isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion)
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{
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if(containerType.compare(L1S("Wave"), Qt::CaseInsensitive) == 0)
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{
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if(formatType.compare(L1S("PCM"), Qt::CaseInsensitive) == 0)
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{
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return true;
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}
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}
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return false;
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}
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void QAACEncoder::setProfile(int profile)
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{
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m_configProfile = profile;
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}
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void QAACEncoder::setAlgoQuality(int value)
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{
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m_algorithmQuality = qBound(0, value, 2);
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}
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const AbstractEncoderInfo *QAACEncoder::getEncoderInfo(void)
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{
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return &g_qaacEncoderInfo;
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} |