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99 lines
2.7 KiB
99 lines
2.7 KiB
9 years ago
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/* BEGIN_COMMON_COPYRIGHT_HEADER
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* (c)LGPL2+
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*
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* LXDE-Qt - a lightweight, Qt based, desktop toolset
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* http://razor-qt.org
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*
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* Copyright: 2012 Razor team
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* Authors:
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* Johannes Zellner <webmaster@nebulon.de>
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*
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* This program or library is free software; you can redistribute it
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* and/or modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; 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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* END_COMMON_COPYRIGHT_HEADER */
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#ifndef PULSEAUDIOENGINE_H
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#define PULSEAUDIOENGINE_H
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#include "audioengine.h"
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#include <QObject>
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#include <QList>
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#include <QTimer>
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#include <QMap>
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#include <pulse/pulseaudio.h>
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// PA_VOLUME_UI_MAX is only supported since pulseaudio 0.9.23
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#ifndef PA_VOLUME_UI_MAX
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#define PA_VOLUME_UI_MAX (pa_sw_volume_from_dB(+11.0))
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#endif
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class AudioDevice;
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class PulseAudioEngine : public AudioEngine
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{
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Q_OBJECT
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public:
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PulseAudioEngine(QObject *parent = 0);
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~PulseAudioEngine();
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virtual const QString backendName() const { return QLatin1String("PulseAudio"); }
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int volumeMax(AudioDevice */*device*/) const { return m_maximumVolume; }
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void requestSinkInfoUpdate(AudioDevice *device);
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void addOrUpdateSink(const pa_sink_info *info);
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pa_context_state_t contextState() const { return m_contextState; }
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bool ready() const { return m_ready; }
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pa_threaded_mainloop *mainloop() const { return m_mainLoop; }
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public slots:
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void commitDeviceVolume(AudioDevice *device);
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void retrieveSinkInfo(AudioDevice *device);
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void setMute(AudioDevice *device, bool state);
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void setContextState(pa_context_state_t state);
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void setIgnoreMaxVolume(bool ignore);
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signals:
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void sinkInfoChanged(AudioDevice *device);
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void contextStateChanged(pa_context_state_t state);
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void readyChanged(bool ready);
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private slots:
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void handleContextStateChanged();
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void connectContext();
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private:
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void retrieveSinks();
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void setupSubscription();
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pa_mainloop_api *m_mainLoopApi;
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pa_threaded_mainloop *m_mainLoop;
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pa_context *m_context;
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pa_context_state_t m_contextState;
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bool m_ready;
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QTimer m_reconnectionTimer;
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int m_maximumVolume;
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QMap<AudioDevice *, pa_cvolume> m_cVolumeMap;
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};
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#endif // PULSEAUDIOENGINE_H
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