LameXP/src/Encoder_Abstract.h
2018-01-17 21:18:10 +01:00

100 lines
3.8 KiB
C++

///////////////////////////////////////////////////////////////////////////////
// LameXP - Audio Encoder Front-End
// Copyright (C) 2004-2018 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
///////////////////////////////////////////////////////////////////////////////
#pragma once
//Internal
#include "Global.h"
#include "Tool_Abstract.h"
#include "Model_AudioFile.h"
//MUtils
#include <MUtils/Exception.h>
class QProcess;
class QStringList;
class QMutex;
class AbstractEncoderInfo
{
public:
typedef enum
{
TYPE_BITRATE = 0,
TYPE_APPROX_BITRATE = 1,
TYPE_QUALITY_LEVEL_INT = 2,
TYPE_QUALITY_LEVEL_FLT = 3,
TYPE_COMPRESSION_LEVEL = 4,
TYPE_UNCOMPRESSED = 5
}
value_type_t;
virtual bool isModeSupported(int mode) const = 0; //Returns whether the encoder does support the current RC mode
virtual bool isResamplingSupported(void) const = 0; //Returns whether the encoder has "native" resampling support
virtual int valueCount(int mode) const = 0; //The number of bitrate/quality values for current RC mode
virtual int valueAt(int mode, int index) const = 0; //The bitrate/quality value at 'index' for the current RC mode
virtual int valueType(int mode) const = 0; //The display type of the values for the current RC mode
virtual const char* description(void) const = 0; //Description of the encoder that can be displayed to the user
virtual const char* extension(void) const = 0; //The default file extension for files created by this encoder
};
class AbstractEncoder : public AbstractTool
{
Q_OBJECT
public:
AbstractEncoder(void);
virtual ~AbstractEncoder(void);
//Internal encoder API
virtual bool encode(const QString &sourceFile, const AudioFileModel_MetaInfo &metaInfo, const unsigned int duration, const unsigned int channels, const QString &outputFile, QAtomicInt &abortFlag) = 0;
virtual bool isFormatSupported(const QString &containerType, const QString &containerProfile, const QString &formatType, const QString &formatProfile, const QString &formatVersion) = 0;
virtual const unsigned int *supportedSamplerates(void);
virtual const unsigned int *supportedChannelCount(void);
virtual const unsigned int *supportedBitdepths(void);
virtual const bool needsTimingInfo(void);
//Common setter methods
virtual void setBitrate(const int &bitrate);
virtual void setRCMode(const int &mode);
virtual void setSamplingRate(const int &value);
virtual void setCustomParams(const QString &customParams);
//Encoder info
virtual const AbstractEncoderInfo *toEncoderInfo(void) const = 0;
static const AbstractEncoderInfo *getEncoderInfo(void)
{
MUTILS_THROW("This method shall be re-implemented in derived classes!");
return NULL;
}
protected:
int m_configBitrate; //Bitrate *or* VBR-quality-level
int m_configRCMode; //Rate-control mode
int m_configSamplingRate; //Target sampling rate
QString m_configCustomParams; //Custom parameters, if any
//Helper functions
bool isUnicode(const QString &text);
QString cleanTag(const QString &text);
};