Files
lmms/include/audio_file_device.h
2008-06-28 13:43:35 +00:00

118 lines
2.6 KiB
C++

/*
* audio_file_device.h - base-class for audio-device-classes which write
* their output into a file
*
* Copyright (c) 2004-2008 Tobias Doerffel <tobydox/at/users.sourceforge.net>
*
* This file is part of Linux MultiMedia Studio - http://lmms.sourceforge.net
*
* 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.
*
* 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 (see COPYING); if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA.
*
*/
#ifndef _AUDIO_FILE_DEVICE_H
#define _AUDIO_FILE_DEVICE_H
#include <QtCore/QFile>
#include "audio_device.h"
class audioFileDevice : public audioDevice
{
public:
audioFileDevice( const sample_rate_t _sample_rate,
const ch_cnt_t _channels, const QString & _file,
const bool _use_vbr,
const bitrate_t _nom_bitrate,
const bitrate_t _min_bitrate,
const bitrate_t _max_bitrate,
const int _depth,
mixer * _mixer );
virtual ~audioFileDevice();
QString outputFile( void ) const
{
return( m_outputFile.fileName() );
}
protected:
Sint32 writeData( const void * _data, Sint32 _len );
void seekToBegin( void );
inline bool useVBR( void ) const
{
return( m_useVbr );
}
inline bitrate_t nominalBitrate( void ) const
{
return( m_nomBitrate );
}
inline bitrate_t minBitrate( void ) const
{
return( m_minBitrate );
}
inline bitrate_t maxBitrate( void ) const
{
return( m_maxBitrate );
}
inline int depth( void ) const
{
return( m_depth );
}
inline bool outputFileOpened( void ) const
{
return( m_outputFile.isOpen() );
}
private:
QFile m_outputFile;
bool m_useVbr;
bitrate_t m_nomBitrate;
bitrate_t m_minBitrate;
bitrate_t m_maxBitrate;
int m_depth;
} ;
typedef audioFileDevice * ( * audioFileDeviceInstantiaton )
( const sample_rate_t _sample_rate,
const ch_cnt_t _channels,
bool & _success_ful,
const QString & _file,
const bool _use_vbr,
const bitrate_t _nom_bitrate,
const bitrate_t _min_bitrate,
const bitrate_t _max_bitrate,
const int _depth,
mixer * _mixer );
#endif