295 lines
7.0 KiB
C++
295 lines
7.0 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// LameXP - Audio Encoder Front-End
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// Copyright (C) 2004-2013 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.
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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_FHG.h"
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#include "Global.h"
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#include "Model_Settings.h"
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#include <math.h>
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#include <QProcess>
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#include <QDir>
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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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///////////////////////////////////////////////////////////////////////////////
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// Encoder Info
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///////////////////////////////////////////////////////////////////////////////
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class FHGAACEncoderInfo : 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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return true;
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break;
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case SettingsModel::ABRMode:
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return false;
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break;
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default:
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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 6;
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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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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 qBound(1, index + 1, 6);
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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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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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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 = "fhgaacenc/Winamp (\x0C2\x0A9 Nullsoft)";
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return s_description;
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}
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}
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static const g_fhgAacEncoderInfo;
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///////////////////////////////////////////////////////////////////////////////
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// Encoder implementation
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///////////////////////////////////////////////////////////////////////////////
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FHGAACEncoder::FHGAACEncoder(void)
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:
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m_binary_enc(lamexp_lookup_tool("fhgaacenc.exe")),
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m_binary_dll(lamexp_lookup_tool("enc_fhgaac.dll"))
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{
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if(m_binary_enc.isEmpty() || m_binary_dll.isEmpty())
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{
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throw "Error initializing FhgAacEnc. Tool 'fhgaacenc.exe' is not registred!";
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}
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m_configProfile = 0;
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}
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FHGAACEncoder::~FHGAACEncoder(void)
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{
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}
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bool FHGAACEncoder::encode(const QString &sourceFile, const AudioFileModel &metaInfo, const QString &outputFile, volatile bool *abortFlag)
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{
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QProcess process;
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QStringList args;
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int maxBitrate = 576;
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if(m_configRCMode == SettingsModel::CBRMode)
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{
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switch(m_configProfile)
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{
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case 1:
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args << "--profile" << "lc"; //Forces use of LC AAC profile
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break;
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case 2:
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maxBitrate = 128;
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args << "--profile" << "he"; //Forces use of HE AAC profile
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break;
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case 3:
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maxBitrate = 56;
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args << "--profile" << "hev2"; //Forces use of HEv2 AAC profile
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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 << "--cbr" << QString::number(qBound(8, index2bitrate(m_configBitrate), maxBitrate));
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break;
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case SettingsModel::VBRMode:
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args << "--vbr" << QString::number(qBound(1, m_configBitrate + 1, 6));
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break;
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default:
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throw "Bad rate-control mode!";
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break;
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}
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args << "--dll" << m_binary_dll;
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if(!m_configCustomParams.isEmpty()) args << m_configCustomParams.split(" ", QString::SkipEmptyParts);
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args << QDir::toNativeSeparators(sourceFile);
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args << QDir::toNativeSeparators(outputFile);
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if(!startProcess(process, m_binary_enc, args))
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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("Progress:\\s*(\\d+)%");
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while(process.state() != QProcess::NotRunning)
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{
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if(*abortFlag)
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{
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process.kill();
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bAborted = true;
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emit messageLogged("\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("FhgAacEnc process timed out <-- killing!");
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emit messageLogged("\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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QString FHGAACEncoder::extension(void)
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{
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return "mp4";
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}
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bool FHGAACEncoder::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("Wave", Qt::CaseInsensitive) == 0)
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{
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if(formatType.compare("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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const unsigned int *FHGAACEncoder::supportedChannelCount(void)
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{
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static const unsigned int supportedChannels[] = {1, 2, 4, 5, 6, NULL};
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return supportedChannels;
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}
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const unsigned int *FHGAACEncoder::supportedSamplerates(void)
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{
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static const unsigned int supportedRates[] = {192000, 96000, 48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000, 6000, NULL};
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return supportedRates;
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}
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const unsigned int *FHGAACEncoder::supportedBitdepths(void)
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{
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static const unsigned int supportedBPS[] = {16, 24, NULL};
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return supportedBPS;
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}
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void FHGAACEncoder::setProfile(int profile)
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{
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m_configProfile = profile;
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}
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const AbstractEncoderInfo *FHGAACEncoder::getEncoderInfo(void)
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{
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return &g_fhgAacEncoderInfo;
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}
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