AudioFileFlac.h

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/*
 * AudioFileFlac.h - Audio device which encodes a wave stream into a FLAC file.
 *
 * Copyright (c) 2017 to present Levin Oehlmann <irrenhaus3/at/gmail[dot]com> et al.
 *
 * 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_FLAC_H
#define LMMS_AUDIO_FILE_FLAC_H
 
#include "lmmsconfig.h"
 
#include "AudioFileDevice.h"
#include <sndfile.h>
 
namespace lmms
{
 
class AudioFileFlac : public AudioFileDevice
{
public:
    AudioFileFlac(OutputSettings const& outputSettings,
            ch_cnt_t const channels,
            bool& successful,
            QString const& file,
            AudioEngine* audioEngine
    );
 
    ~AudioFileFlac() override;
 
    static AudioFileDevice* getInst(QString const& outputFilename,
            OutputSettings const& outputSettings,
            ch_cnt_t const channels,
            AudioEngine* audioEngine,
            bool& successful)
    {
        return new AudioFileFlac(
            outputSettings,
            channels,
            successful,
            outputFilename,
            audioEngine
        );
    }
 
private:
 
    SF_INFO  m_sfinfo;
    SNDFILE* m_sf;
 
    void writeBuffer(const SampleFrame* _ab, f_cnt_t const frames) override;
 
    bool startEncoding();
    void finishEncoding();
 
};
 
 
} // namespace lmms
 
#endif // LMMS_AUDIO_FILE_FLAC_H