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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>
102 lines
2.2 KiB
C++
102 lines
2.2 KiB
C++
/*
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* AudioPulseAudio.h - device-class which implements PulseAudio-output
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*
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* Copyright (c) 2008-2009 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_PULSEAUDIO_H
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#define LMMS_AUDIO_PULSEAUDIO_H
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#include "lmmsconfig.h"
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#ifdef LMMS_HAVE_PULSEAUDIO
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#include <pulse/pulseaudio.h>
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#include <QSemaphore>
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#include <QThread>
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#include "AudioDevice.h"
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#include "AudioDeviceSetupWidget.h"
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class QLineEdit;
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namespace lmms
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{
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namespace gui
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{
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class LcdSpinBox;
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}
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class AudioPulseAudio : public QThread, public AudioDevice
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{
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Q_OBJECT
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public:
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AudioPulseAudio( bool & _success_ful, AudioEngine* audioEngine );
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inline static QString name()
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{
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return QT_TRANSLATE_NOOP( "AudioDeviceSetupWidget", "PulseAudio" );
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}
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static QString probeDevice();
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class setupWidget : public gui::AudioDeviceSetupWidget
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{
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public:
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setupWidget( QWidget * _parent );
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~setupWidget() override;
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void saveSettings() override;
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private:
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QLineEdit * m_device;
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gui::LcdSpinBox * m_channels;
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} ;
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void streamWriteCallback( pa_stream * s, size_t length );
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void signalConnected( bool connected );
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pa_stream * m_s;
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pa_sample_spec m_sampleSpec;
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double m_latency;
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private:
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void startProcessingImpl() override;
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void stopProcessingImpl() override;
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void run() override;
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bool m_connected;
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QSemaphore m_connectedSemaphore;
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} ;
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} // namespace lmms
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#endif // LMMS_HAVE_PULSEAUDIO
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#endif // LMMS_AUDIO_PULSEAUDIO_H
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