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68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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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 License
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* as published by the Free Software Foundation; either version 2
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* 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
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* GNU 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 License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef BACKENDS_MIXER_ABSTRACT_H
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#define BACKENDS_MIXER_ABSTRACT_H
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#include "audio/mixer_intern.h"
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/**
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* Abstract class for mixer manager. Subclasses
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* implement the real functionality.
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*/
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class MixerManager {
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public:
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MixerManager() : _mixer(0), _audioSuspended(false) {}
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virtual ~MixerManager() { delete _mixer; }
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/**
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* Initialize and setups the mixer
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*/
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virtual void init() = 0;
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/**
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* Get the audio mixer implementation
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*/
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Audio::Mixer *getMixer() { return (Audio::Mixer *)_mixer; }
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// Used by LinuxMoto Port
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/**
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* Pauses the audio system
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*/
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virtual void suspendAudio() = 0;
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/**
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* Resumes the audio system
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*/
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virtual int resumeAudio() = 0;
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protected:
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/** The mixer implementation */
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Audio::MixerImpl *_mixer;
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/** State of the audio system */
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bool _audioSuspended;
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};
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#endif
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