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6f50f90b9c
Removes the FIFO writer thread in the audio engine to simplify inter-thread communication and avoid deadlock bugs. --------- Co-authored-by: szeli1 <143485814+szeli1@users.noreply.github.com> Co-authored-by: Dalton Messmer <messmer.dalton@gmail.com>
82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
/*
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* AudioFileDevice.h - base-class for audio-device-classes which write
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* their output into a file
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*
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* Copyright (c) 2004-2014 Tobias Doerffel <tobydox/at/users.sourceforge.net>
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*
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* This file is part of LMMS - https://lmms.io
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this program (see COPYING); if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA.
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*
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*/
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#ifndef LMMS_AUDIO_FILE_DEVICE_H
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#define LMMS_AUDIO_FILE_DEVICE_H
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#include <QFile>
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#include "AudioDevice.h"
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#include "OutputSettings.h"
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namespace lmms
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{
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class AudioFileDevice : public AudioDevice
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{
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public:
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AudioFileDevice(OutputSettings const & outputSettings,
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const ch_cnt_t _channels, const QString & _file,
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AudioEngine* audioEngine );
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~AudioFileDevice() override;
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QString outputFile() const
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{
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return m_outputFile.fileName();
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}
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OutputSettings const & getOutputSettings() const { return m_outputSettings; }
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//! Write `size` sample frames from `buf` into the output file.
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virtual void writeBuffer(const SampleFrame* buf, const f_cnt_t frames) = 0;
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protected:
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int writeData( const void* data, int len );
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inline bool outputFileOpened() const
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{
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return m_outputFile.isOpen();
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}
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inline int outputFileHandle() const
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{
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return m_outputFile.handle();
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}
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private:
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void startProcessingImpl() override {}
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void stopProcessingImpl() override {}
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QFile m_outputFile;
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OutputSettings m_outputSettings;
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} ;
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using AudioFileDeviceInstantiaton
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= AudioFileDevice* (*)(const QString&, const OutputSettings&, const ch_cnt_t, AudioEngine*, bool&);
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} // namespace lmms
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#endif // LMMS_AUDIO_FILE_DEVICE_H
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