Files
lmms/include/AudioFileMP3.h
2023-01-02 19:51:32 -05:00

79 lines
2.0 KiB
C++

/*
* AudioFileMP3.h - Audio-device which encodes a wave stream into
* an MP3 file. This is used for song export.
*
* Copyright (c) 2017 to present Michael Gregorius <michael.gregorius.git/at/arcor[dot]de>
*
* This file is part of LMMS - https://lmms.io
*
* 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 LMMS_AUDIO_FILE_MP3_H
#define LMMS_AUDIO_FILE_MP3_H
#include "lmmsconfig.h"
#ifdef LMMS_HAVE_MP3LAME
#include "AudioFileDevice.h"
#include "lame/lame.h"
namespace lmms
{
class AudioFileMP3 : public AudioFileDevice
{
public:
AudioFileMP3( OutputSettings const & outputSettings,
const ch_cnt_t _channels,
bool & successful,
const QString & _file,
AudioEngine* audioEngine );
~AudioFileMP3() override;
static AudioFileDevice * getInst( const QString & outputFilename,
OutputSettings const & outputSettings,
const ch_cnt_t channels,
AudioEngine* audioEngine,
bool & successful )
{
return new AudioFileMP3( outputSettings, channels, successful,
outputFilename, audioEngine );
}
protected:
void writeBuffer( const surroundSampleFrame * /* _buf*/,
const fpp_t /*_frames*/,
const float /*_master_gain*/ ) override;
private:
void flushRemainingBuffers();
bool initEncoder();
void tearDownEncoder();
private:
lame_t m_lame;
};
} // namespace lmms
#endif // LMMS_HAVE_MP3LAME
#endif