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71 lines
1.9 KiB
71 lines
1.9 KiB
10 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 ALSAENGINE_H
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#define ALSAENGINE_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 <QMap>
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#include <QTimer>
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#include <alsa/asoundlib.h>
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class AlsaDevice;
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class QSocketNotifier;
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class AlsaEngine : public AudioEngine
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{
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Q_OBJECT
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public:
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AlsaEngine(QObject *parent = 0);
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static AlsaEngine *instance();
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virtual const QString backendName() const { return QLatin1String("Alsa"); }
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int volumeMax(AudioDevice *device) const;
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AlsaDevice *getDeviceByAlsaElem(snd_mixer_elem_t *elem) const;
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public slots:
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void commitDeviceVolume(AudioDevice *device);
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void setMute(AudioDevice *device, bool state);
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void updateDevice(AlsaDevice *device);
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private slots:
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void driveAlsaEventHandling(int fd);
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private:
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void discoverDevices();
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QMap<int, snd_mixer_t *> m_mixerMap;
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static AlsaEngine *m_instance;
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};
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#endif // ALSAENGINE_H
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