src/Encoder_MP3.h

   1 ///////////////////////////////////////////////////////////////////////////////
   2 // LameXP - Audio Encoder Front-End
   3 // Copyright (C) 2004-2019 LoRd_MuldeR <MuldeR2@GMX.de>
   4 //
   5 // This program is free software; you can redistribute it and/or modify
   6 // it under the terms of the GNU General Public License as published by
   7 // the Free Software Foundation; either version 2 of the License, or
   8 // (at your option) any later version, but always including the *additional*
   9 // restrictions defined in the "License.txt" file.
  10 //
  11 // This program is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15 //
  16 // You should have received a copy of the GNU General Public License along
  17 // with this program; if not, write to the Free Software Foundation, Inc.,
  18 // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  19 //
  20 // http://www.gnu.org/licenses/gpl-2.0.txt
  21 ///////////////////////////////////////////////////////////////////////////////
  22
  23 #pragma once
  24
  25 #include "Encoder_Abstract.h"
  26
  27 #include <QObject>
  28 #include <MUtils/Lazy.h>
  29
  30 class MP3Encoder : public AbstractEncoder
  31 {
  32         Q_OBJECT
  33
  34 public:
  35         MP3Encoder(void);
  36         ~MP3Encoder(void);
  37
  38         virtual bool encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const unsigned int channels, const QString &outputFile, QAtomicInt &abortFlag);
  39         virtual bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion);
  40         virtual const unsigned int *supportedChannelCount(void);
  41
  42         //Advanced options
  43         virtual void setAlgoQuality(int value);
  44         virtual void setBitrateLimits(int minimumBitrate, int maximumBitrate);
  45         virtual void setChannelMode(int value);
  46
  47         //Encoder info
  48         virtual const AbstractEncoderInfo *toEncoderInfo(void) const { return getEncoderInfo(); }
  49         static const AbstractEncoderInfo *getEncoderInfo(void);
  50
  51 private:
  52         const QString m_binary;
  53         int m_algorithmQuality;
  54         int m_configBitrateMaximum;
  55         int m_configBitrateMinimum;
  56         int m_configChannelMode;
  57
  58         static QMutex m_regexMutex;
  59         static MUtils::Lazy<QRegExp> m_regxLayer, m_regxVersion;
  60
  61         int clipBitrate(int bitrate);
  62 };